Modified: jmeter/trunk/docs/usermanual/functions.html URL: http://svn.apache.org/viewvc/jmeter/trunk/docs/usermanual/functions.html?rev=1808646&r1=1808645&r2=1808646&view=diff ============================================================================== --- jmeter/trunk/docs/usermanual/functions.html (original) +++ jmeter/trunk/docs/usermanual/functions.html Sun Sep 17 18:22:16 2017 @@ -1,16 +1,209 @@ <!DOCTYPE html SYSTEM "about:legacy-compat"> -<html lang="en"><head><META http-equiv="Content-Type" content="text/html; charset=iso-8859-15"><title>Apache JMeter +<html lang="en"> +<head> +<META http-equiv="Content-Type" content="text/html; charset=iso-8859-15"> +<title>Apache JMeter - - User's Manual: Functions and Variables</title><meta name="viewport" content="width=device-width, initial-scale=1"><link href="http://fonts.googleapis.com/css?family=Merriweather:400normal"; rel="stylesheet" type="text/css"><link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.6.1/css/font-awesome.min.css"; 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Functions and Variables<a class="sectionlink" href="#functions" title="Link to here">¶</a> +</h1> + <p> JMeter functions are special values that can populate fields of any Sampler or other element in a test tree. A function call looks like this:</p> -<p><span class="code">${__functionName(var1,var2,var3)}</span></p> + +<p> +<span class="code">${__functionName(var1,var2,var3)}</span> +</p> + <p> Where "__functionName" matches the name of a function. @@ -20,6 +213,7 @@ The actual parameters vary from function Functions that require no parameters can leave off the parentheses, for example <span class="code">${__threadNum}</span>. </p> + <p> If a function parameter contains a comma, then be sure to escape this with "<span class="code">\</span>", otherwise JMeter will treat it as a parameter delimiter. For example: @@ -32,15 +226,21 @@ ERROR - jmeter.functions.JavaScript: Err org.mozilla.javascript.EvaluatorException: missing ) after argument list (<cmd>#1) </pre> This is because the string "<span class="code">Math.max(2,5)</span>" is treated as being two parameters to the __javascript function:<br> - <span class="code">Math.max(2</span> and <span class="code">5)</span><br> + +<span class="code">Math.max(2</span> and <span class="code">5)</span> +<br> Other error messages are possible. </p> + <p>Variables are referenced as follows: <pre> ${VARIABLE} </pre> + </p> + <p> + <b> If an undefined function or variable is referenced, JMeter does not report/log an error - the reference is returned unchanged. For example if <span class="code">UNDEF</span> is not defined as a variable, then the value of <span class="code">${UNDEF}</span> is <span class="code">${UNDEF}</span>. @@ -50,96 +250,254 @@ Variables, functions (and properties) ar JMeter trims spaces from variable names before use, so for example <span class="code">${__Random(1,63, LOTTERY )}</span> will use the variable '<span class="code">LOTTERY</span>' rather than '<span class="code"> LOTTERY </span>'. </b> + </p> -<div class="clear"></div><div class="note"> + +<div class="clear"></div> +<div class="note"> Properties are not the same as variables. Variables are local to a thread; properties are common to all threads, and need to be referenced using the <span class="code">__P</span> or <span class="code">__property</span> function. -</div><div class="clear"></div> -<div class="clear"></div><div class="note"> +</div> +<div class="clear"></div> + +<div class="clear"></div> +<div class="note"> When using <span class="code">\</span> before a variable for a windows path for example <span class="code">C:\test\${test}</span>, ensure you escape the <span class="code">\</span> otherwise JMeter will not interpret the variable, example: <span class="code">C:\\test\\${test}</span>. <br> Alternatively, just use <span class="code">/</span> instead for the path separator - e.g. <span class="code">C:/test/${test}</span> - Windows JVMs will convert the separators as necessary. -</div><div class="clear"></div> +</div> +<div class="clear"></div> + <p>List of functions, loosely grouped into types.</p> + <table> - <tr><th>Type of function</th><th>Name</th><th>Comment</th><th>Since</th></tr> - <tr><td>Information</td><td> <a href="#__threadNum">threadNum</a></td><td>get thread number</td><td>1.X</td></tr> - <tr><td>Information</td><td> <a href="#__samplerName">samplerName</a></td><td>get the sampler name (label)</td><td>2.5</td></tr> - <tr><td>Information</td><td> <a href="#__machineIP">machineIP</a></td><td>get the local machine IP address</td><td>2.6</td></tr> - <tr><td>Information</td><td> <a href="#__machineName">machineName</a></td><td>get the local machine name</td><td>1.X</td></tr> - <tr><td>Information</td><td> <a href="#__time">time</a></td><td>return current time in various formats</td><td>2.2</td></tr> - <tr><td>Information</td><td> <a href="#__log">log</a></td><td>log (or display) a message (and return the value)</td><td>2.2</td></tr> - <tr><td>Information</td><td> <a href="#__logn">logn</a></td><td>log (or display) a message (empty return value)</td><td>2.2</td></tr> - <tr><td>Input</td><td> <a href="#__StringFromFile">StringFromFile</a></td><td>read a line from a file</td><td>1.9</td></tr> - <tr><td>Input</td><td> <a href="#__FileToString">FileToString</a></td><td>read an entire file</td><td>2.4</td></tr> - <tr><td>Input</td><td> <a href="#__CSVRead">CSVRead</a></td><td>read from CSV delimited file</td><td>1.9</td></tr> - <tr><td>Input</td><td> <a href="#__XPath">XPath</a></td><td>Use an XPath expression to read from a file</td><td>2.0.3</td></tr> - <tr><td>Calculation</td><td> <a href="#__counter">counter</a></td><td>generate an incrementing number</td><td>1.X</td></tr> - <tr><td>Calculation</td><td> <a href="#__intSum">intSum</a></td><td>add int numbers</td><td>1.8.1</td></tr> - <tr><td>Calculation</td><td> <a href="#__longSum">longSum</a></td><td>add long numbers</td><td>2.3.2</td></tr> - <tr><td>Calculation</td><td> <a href="#__Random">Random</a></td><td>generate a random number</td><td>1.9</td></tr> - <tr><td>Calculation</td><td> <a href="#__RandomFromMultipleVars">RandomFromMultipleVars</a></td><td>extracts an element from the values of a set of variables separated by <span class="code">|</span></td><td>3.1</td></tr> - <tr><td>Calculation</td><td> <a href="#__RandomString">RandomString</a></td><td>generate a random string</td><td>2.6</td></tr> - <tr><td>Calculation</td><td> <a href="#__UUID">UUID</a></td><td>generate a random type 4 UUID</td><td>2.9</td></tr> - <tr><td>Scripting</td><td> <a href="#__groovy">groovy</a></td><td>run a Groovy script</td><td>3.1</td></tr> - <tr><td>Scripting</td><td> <a href="#__BeanShell">BeanShell</a></td><td>run a BeanShell script</td><td>1.X</td></tr> - <tr><td>Scripting</td><td> <a href="#__javaScript">javaScript</a></td><td>process JavaScript (Nashorn)</td><td>1.9</td></tr> - <tr><td>Scripting</td><td> <a href="#__jexl2">jexl2</a></td><td>evaluate a Commons Jexl2 expression</td><td>jexl2(2.1.1)</td></tr> - <tr><td>Scripting</td><td> <a href="#__jexl3">jexl3</a></td><td>evaluate a Commons Jexl3 expression</td><td>jexl3 (3.0)</td></tr> - <tr><td>Properties</td><td> <a href="#__property">property</a> </td><td>read a property</td><td>2.0</td></tr> - <tr><td>Properties</td><td> <a href="#__P">P</a></td><td>read a property (shorthand method)</td><td>2.0</td></tr> - <tr><td>Properties</td><td> <a href="#__setProperty">setProperty</a></td><td>set a JMeter property</td><td>2.1</td></tr> - <tr><td>Variables</td><td> <a href="#__split">split</a></td><td>Split a string into variables</td><td>2.0.2</td></tr> - <tr><td>Variables</td><td> <a href="#__V">V</a></td><td>evaluate a variable name</td><td>2.3RC3</td></tr> - <tr><td>Variables</td><td> <a href="#__eval">eval</a></td><td>evaluate a variable expression</td><td>2.3.1</td></tr> - <tr><td>Variables</td><td> <a href="#__evalVar">evalVar</a></td><td>evaluate an expression stored in a variable</td><td>2.3.1</td></tr> - <tr><td>String</td><td> <a href="#__regexFunction">regexFunction</a></td><td>parse previous response using a regular expression</td><td>1.X</td></tr> - <tr><td>String</td><td> <a href="#__escapeOroRegexpChars">escapeOroRegexpChars</a></td><td>quote meta chars used by ORO regular expression</td><td>2.9</td></tr> - <tr><td>String</td><td> <a href="#__char">char</a></td><td>generate Unicode char values from a list of numbers</td><td>2.3.3</td></tr> - <tr><td>String</td><td> <a href="#__unescape">unescape</a></td><td>Process strings containing Java escapes (e.g. \n & \t)</td><td>2.3.3</td></tr> - <tr><td>String</td><td> <a href="#__unescapeHtml">unescapeHtml</a></td><td>Decode HTML-encoded strings</td><td>2.3.3</td></tr> - <tr><td>String</td><td> <a href="#__escapeHtml">escapeHtml</a></td><td>Encode strings using HTML encoding</td><td>2.3.3</td></tr> - <tr><td>String</td><td> <a href="#__escapeXml">escapeXml</a></td><td>Encode strings using XMl encoding</td><td>3.2</td></tr> - <tr><td>String</td><td> <a href="#__urldecode">urldecode</a></td><td>Decode a application/x-www-form-urlencoded string</td><td>2.10</td></tr> - <tr><td>String</td><td> <a href="#__urlencode">urlencode</a></td><td>Encode a string to a application/x-www-form-urlencoded string</td><td>2.10</td></tr> - <tr><td>String</td><td> <a href="#__TestPlanName">TestPlanName</a></td><td>Return name of current test plan</td><td>2.6</td></tr> +<tr> +<th>Type of function</th><th>Name</th><th>Comment</th><th>Since</th> +</tr> + + +<tr> +<td>Information</td><td> <a href="#__threadNum">threadNum</a></td><td>get thread number</td><td>1.X</td> +</tr> + +<tr> +<td>Information</td><td> <a href="#__samplerName">samplerName</a></td><td>get the sampler name (label)</td><td>2.5</td> +</tr> + +<tr> +<td>Information</td><td> <a href="#__machineIP">machineIP</a></td><td>get the local machine IP address</td><td>2.6</td> +</tr> + +<tr> +<td>Information</td><td> <a href="#__machineName">machineName</a></td><td>get the local machine name</td><td>1.X</td> +</tr> + +<tr> +<td>Information</td><td> <a href="#__time">time</a></td><td>return current time in various formats</td><td>2.2</td> +</tr> + +<tr> +<td>Information</td><td> <a href="#__timeShift">timeShift</a></td><td>return a date in various formats with the specified amount of seconds/minutes/hours/days added</td><td>3.3</td> +</tr> + +<tr> +<td>Information</td><td> <a href="#__log">log</a></td><td>log (or display) a message (and return the value)</td><td>2.2</td> +</tr> + +<tr> +<td>Information</td><td> <a href="#__logn">logn</a></td><td>log (or display) a message (empty return value)</td><td>2.2</td> +</tr> + +<tr> +<td>Input</td><td> <a href="#__StringFromFile">StringFromFile</a></td><td>read a line from a file</td><td>1.9</td> +</tr> + +<tr> +<td>Input</td><td> <a href="#__FileToString">FileToString</a></td><td>read an entire file</td><td>2.4</td> +</tr> + +<tr> +<td>Input</td><td> <a href="#__CSVRead">CSVRead</a></td><td>read from CSV delimited file</td><td>1.9</td> +</tr> + +<tr> +<td>Input</td><td> <a href="#__XPath">XPath</a></td><td>Use an XPath expression to read from a file</td><td>2.0.3</td> +</tr> + +<tr> +<td>Calculation</td><td> <a href="#__counter">counter</a></td><td>generate an incrementing number</td><td>1.X</td> +</tr> + +<tr> +<td>Calculation</td><td> <a href="#__intSum">intSum</a></td><td>add int numbers</td><td>1.8.1</td> +</tr> + +<tr> +<td>Calculation</td><td> <a href="#__longSum">longSum</a></td><td>add long numbers</td><td>2.3.2</td> +</tr> + +<tr> +<td>Calculation</td><td> <a href="#__Random">Random</a></td><td>generate a random number</td><td>1.9</td> +</tr> + +<tr> +<td>Calculation</td><td> <a href="#__RandomDate">RandomDate</a></td><td>generate random date within a specific date range</td><td>3.3</td> +</tr> + +<tr> +<td>Calculation</td><td> <a href="#__RandomFromMultipleVars">RandomFromMultipleVars</a></td><td>extracts an element from the values of a set of variables separated by <span class="code">|</span></td><td>3.1</td> +</tr> + +<tr> +<td>Calculation</td><td> <a href="#__RandomString">RandomString</a></td><td>generate a random string</td><td>2.6</td> +</tr> + +<tr> +<td>Calculation</td><td> <a href="#__UUID">UUID</a></td><td>generate a random type 4 UUID</td><td>2.9</td> +</tr> + +<tr> +<td>Scripting</td><td> <a href="#__groovy">groovy</a></td><td>run a Groovy script</td><td>3.1</td> +</tr> + +<tr> +<td>Scripting</td><td> <a href="#__BeanShell">BeanShell</a></td><td>run a BeanShell script</td><td>1.X</td> +</tr> + +<tr> +<td>Scripting</td><td> <a href="#__javaScript">javaScript</a></td><td>process JavaScript (Nashorn)</td><td>1.9</td> +</tr> + +<tr> +<td>Scripting</td><td> <a href="#__jexl2">jexl2</a></td><td>evaluate a Commons Jexl2 expression</td><td>jexl2(2.1.1)</td> +</tr> + +<tr> +<td>Scripting</td><td> <a href="#__jexl3">jexl3</a></td><td>evaluate a Commons Jexl3 expression</td><td>jexl3 (3.0)</td> +</tr> + +<tr> +<td>Properties</td><td> <a href="#__property">property</a> </td><td>read a property</td><td>2.0</td> +</tr> + +<tr> +<td>Properties</td><td> <a href="#__P">P</a></td><td>read a property (shorthand method)</td><td>2.0</td> +</tr> + +<tr> +<td>Properties</td><td> <a href="#__setProperty">setProperty</a></td><td>set a JMeter property</td><td>2.1</td> +</tr> + +<tr> +<td>Variables</td><td> <a href="#__split">split</a></td><td>Split a string into variables</td><td>2.0.2</td> +</tr> + +<tr> +<td>Variables</td><td> <a href="#__V">V</a></td><td>evaluate a variable name</td><td>2.3RC3</td> +</tr> + +<tr> +<td>Variables</td><td> <a href="#__eval">eval</a></td><td>evaluate a variable expression</td><td>2.3.1</td> +</tr> + +<tr> +<td>Variables</td><td> <a href="#__evalVar">evalVar</a></td><td>evaluate an expression stored in a variable</td><td>2.3.1</td> +</tr> + +<tr> +<td>String</td><td> <a href="#__regexFunction">regexFunction</a></td><td>parse previous response using a regular expression</td><td>1.X</td> +</tr> + +<tr> +<td>String</td><td> <a href="#__escapeOroRegexpChars">escapeOroRegexpChars</a></td><td>quote meta chars used by ORO regular expression</td><td>2.9</td> +</tr> + +<tr> +<td>String</td><td> <a href="#__char">char</a></td><td>generate Unicode char values from a list of numbers</td><td>2.3.3</td> +</tr> + +<tr> +<td>String</td><td> <a href="#__unescape">unescape</a></td><td>Process strings containing Java escapes (e.g. \n & \t)</td><td>2.3.3</td> +</tr> + +<tr> +<td>String</td><td> <a href="#__unescapeHtml">unescapeHtml</a></td><td>Decode HTML-encoded strings</td><td>2.3.3</td> +</tr> + +<tr> +<td>String</td><td> <a href="#__escapeHtml">escapeHtml</a></td><td>Encode strings using HTML encoding</td><td>2.3.3</td> +</tr> + +<tr> +<td>String</td><td> <a href="#__escapeXml">escapeXml</a></td><td>Encode strings using XMl encoding</td><td>3.2</td> +</tr> + +<tr> +<td>String</td><td> <a href="#__urldecode">urldecode</a></td><td>Decode a application/x-www-form-urlencoded string</td><td>2.10</td> +</tr> + +<tr> +<td>String</td><td> <a href="#__urlencode">urlencode</a></td><td>Encode a string to a application/x-www-form-urlencoded string</td><td>2.10</td> +</tr> + +<tr> +<td>String</td><td> <a href="#__TestPlanName">TestPlanName</a></td><td>Return name of current test plan</td><td>2.6</td> +</tr> + </table> + <p></p> -<div class="subsection"><h2 id="what_can_do">21.1 What can functions do<a class="sectionlink" href="#what_can_do" title="Link to here">¶</a></h2> + +<div class="subsection"> +<h2 id="what_can_do">20.1 What can functions do<a class="sectionlink" href="#what_can_do" title="Link to here">¶</a> +</h2> + <p>There are two kinds of functions: user-defined static values (or variables), and built-in functions.<br> User-defined static values allow the user to define variables to be replaced with their static value when a test tree is compiled and submitted to be run. This replacement happens once at the beginning of the test run. This could be used to replace the DOMAIN field of all HTTP requests, for example - making it a simple matter to change a test to target a different server with the same test. </p> + <p> Note that variables cannot currently be nested; i.e. <span class="code">${Var${N}}</span> does not work. The <span class="code">__V</span> (variable) function can be used to do this: <span class="code">${__V(Var${N})}</span>. You can also use <span class="code">${__BeanShell(vars.get("Var${N}")}</span>. </p> + <p>This type of replacement is possible without functions, but was less convenient and less intuitive. It required users to create default config elements that would fill in blank values of Samplers. Variables allow one to replace only part of any given value, not just filling in blank values.</p> + <p> With built-in functions users can compute new values at run-time based on previous response data, which thread the function is in, the time, and many other sources. These values are generated fresh for every request throughout the course of the test. </p> -<div class="clear"></div><div class="note">Functions are shared between threads. -Each occurrence of a function call in a test plan is handled by a separate function instance.</div><div class="clear"></div> + +<div class="clear"></div> +<div class="note">Functions are shared between threads. +Each occurrence of a function call in a test plan is handled by a separate function instance.</div> +<div class="clear"></div> + </div> -<div class="subsection"><h2 id="where">21.2 Where can functions and variables be used?<a class="sectionlink" href="#where" title="Link to here">¶</a></h2> + +<div class="subsection"> +<h2 id="where">20.2 Where can functions and variables be used?<a class="sectionlink" href="#where" title="Link to here">¶</a> +</h2> + <p> Functions and variables can be written into any field of any test component (apart from the TestPlan - see below). Some fields do not allow random strings because they are expecting numbers, and thus will not accept a function. However, most fields will allow functions. </p> + <p> Functions which are used on the Test Plan have some restrictions. JMeter thread variables will have not been fully set up when the functions are processed, @@ -148,53 +506,82 @@ so <span class="code">split()</span> and The <span class="code">threadNum()</span> function won't work (and does not make sense at test plan level). The following functions should work OK on the test plan: <ul> + <li>intSum</li> + <li>longSum</li> + <li>machineName</li> + <li>BeanShell</li> + <li>groovy</li> + <li>javaScript</li> + <li>jexl2/jexl3</li> + <li>random</li> + <li>time</li> + <li>property functions</li> + <li>log functions</li> + </ul> + </p> + <p> Configuration elements are processed by a separate thread. Therefore functions such as <span class="code">__threadNum</span> do not work properly in elements such as User Defined Variables. Also note that variables defined in a UDV element are not available until the element has been processed. </p> -<div class="clear"></div><div class="note">When using variable/function references in SQL code (etc.), + +<div class="clear"></div> +<div class="note">When using variable/function references in SQL code (etc.), remember to include any necessary quotes for text strings, i.e. use <pre class="source"> SELECT item from table where name='${VAR}' </pre> + <b>not</b> + <pre class="source"> SELECT item from table where name=${VAR} </pre> (unless <span class="code">VAR</span> itself contains the quotes) -</div><div class="clear"></div> </div> +<div class="clear"></div> + +</div> + + +<div class="subsection"> +<h2 id="how">20.3 How to reference variables and functions<a class="sectionlink" href="#how" title="Link to here">¶</a> +</h2> -<div class="subsection"><h2 id="how">21.3 How to reference variables and functions<a class="sectionlink" href="#how" title="Link to here">¶</a></h2> <p>Referencing a variable in a test element is done by bracketing the variable name with '<span class="code">${</span>' and '<span class="code">}</span>'.</p> + <p>Functions are referenced in the same manner, but by convention, the names of functions begin with "<span class="code">__</span>" to avoid conflict with user value names<sup>*</sup>. Some functions take arguments to configure them, and these go in parentheses, comma-delimited. If the function takes no arguments, the parentheses can be omitted.</p> -<p><b>Argument values that themselves contain commas should be escaped as necessary. + +<p> +<b>Argument values that themselves contain commas should be escaped as necessary. If you need to include a comma in your parameter value, escape it like so: '<span class="code">\,</span>'.</b> This applies for example to the scripting functions - Javascript, Beanshell, Jexl, groovy - where it is necessary to escape any commas that may be needed in script method calls - e.g. </p> + <pre> ${__BeanShell(vars.put("name"\,"value"))} </pre> + <p> Alternatively, you can define your script as a variable, e.g. on the Test Plan: <pre>SCRIPT vars.put("name","value")</pre> @@ -203,24 +590,31 @@ The script can then be referenced as fol There is no need to escape commas in the <span class="code">SCRIPT</span> variable because the function call is parsed before the variable is replaced with its value. This works well in conjunction with the JSR223 or BeanShell Samplers, as these can be used to test Javascript, Jexl and BeanShell scripts. </p> + <p> Functions can reference variables and other functions, for example <span class="code">${__XPath(${__P(xpath.file),${XPATH})}</span> will use the property "<span class="code">xpath.file</span>" as the file name and the contents of the variable <span class="code">XPATH</span> as the expression to search for. </p> + <p> JMeter provides a tool to help you construct function calls for various built-in functions, which you can then copy-paste. It will not automatically escape values for you, since functions can be parameters to other functions, and you should only escape values you intend as literal. </p> -<div class="clear"></div><div class="note"> + +<div class="clear"></div> +<div class="note"> If a string contains a backslash('<span class="code">\</span>') and also contains a function or variable reference, the backslash will be removed if it appears before '<span class="code">$</span>' or '<span class="code">,</span>' or '<span class="code">\</span>'. This behaviour is necessary to allow for nested functions that include commas or the string <span class="code">${</span>. Backslashes before '<span class="code">$</span>' or '<span class="code">,</span>' or '<span class="code">\</span>' are not removed if the string does not contain a function or variable reference. -</div><div class="clear"></div> +</div> +<div class="clear"></div> + <p> + <b>The value of a variable or function can be reported</b> using the <a href="#__logn"><span class="code">__logn()</span></a> function. The <span class="code">__logn()</span> function reference can be used anywhere in the test plan after the variable has been defined. Alternatively, the Java Request sampler can be used to create a sample containing variable references; @@ -228,173 +622,415 @@ the output will be shown in the appropri Note there is a <a href="../usermanual/component_reference.html#Debug_Sampler">Debug Sampler</a> that can be used to display the values of variables etc. in the Tree View Listener. </p> -<div class="clear"></div><div class="note"><sup>*</sup>If you define a user-defined static variable with the same name as a built-in function, your static -variable will override the built-in function.</div><div class="clear"></div> + +<div class="clear"></div> +<div class="note"> +<sup>*</sup>If you define a user-defined static variable with the same name as a built-in function, your static +variable will override the built-in function.</div> +<div class="clear"></div> + </div> -<div class="subsection"><h2 id="function_helper">21.4 The Function Helper Dialog<a class="sectionlink" href="#function_helper" title="Link to here">¶</a></h2> + +<div class="subsection"> +<h2 id="function_helper">20.4 The Function Helper Dialog<a class="sectionlink" href="#function_helper" title="Link to here">¶</a> +</h2> + <p>The Function Helper dialog is available from JMeter's Tools menu.</p> -<figure><a href="../images/screenshots/function_helper_dialog.png"><img src="../images/screenshots/function_helper_dialog.png" width="831" height="305" alt="Function Helper Dialog"></a><figcaption>Function Helper Dialog</figcaption></figure> + +<figure> +<a href="../images/screenshots/function_helper_dialog.png"><img src="../images/screenshots/function_helper_dialog.png" width="831" height="305" alt="Function Helper Dialog"></a> +<figcaption>Function Helper Dialog</figcaption> +</figure> + <p>Using the Function Helper, you can select a function from the pull down, and assign values for its arguments. The left column in the table provides a brief description of the argument, and the right column is where you write in the value for that argument. Different functions take different arguments.</p> + <p>Once you have done this, click the "generate" button, and the appropriate string is generated for you to copy-paste into your test plan wherever you like.</p> + </div> -<div class="subsection"><h2 id="functions">21.5 Functions<a class="sectionlink" href="#functions" title="Link to here">¶</a></h2> -<div class="component"><h2 id="__regexFunction">__regexFunction<a class="sectionlink" href="#__regexFunction" title="Link to here">¶</a></h2><div class="description"><p>The Regex Function is used to parse the previous response (or the value of a variable) using any regular +<div class="subsection"> +<h2 id="functions">20.5 Functions<a class="sectionlink" href="#functions" title="Link to here">¶</a> +</h2> + + +<div class="component"> +<h2 id="__regexFunction">__regexFunction<a class="sectionlink" href="#__regexFunction" title="Link to here">¶</a> +</h2> +<div class="description"> +<p>The Regex Function is used to parse the previous response (or the value of a variable) using any regular expression (provided by user). The function returns the template string with variable values filled in.</p> + <p>The <span class="code">__regexFunction</span> can also store values for future use. In the sixth parameter, you can specify a reference name. After this function executes, the same values can be retrieved at later times using the syntax for user-defined values. For instance, if you enter "<span class="code">refName</span>" as the sixth parameter you will be able to use: <ul> -<li><span class="code">${refName}</span> to refer to the computed result of the second parameter ("Template for the + +<li> +<span class="code">${refName}</span> to refer to the computed result of the second parameter ("Template for the replacement string") parsed by this function</li> -<li><span class="code">${refName_g0}</span> to refer to the entire match parsed by this function.</li> -<li><span class="code">${refName_g1}</span> to refer to the first group parsed by this function.</li> -<li><span class="code">${refName_g#}</span> to refer to the n<sup>th</sup> group parsed by this function.</li> -<li><span class="code">${refName_matchNr}</span> to refer to the number of groups found by this function.</li> + +<li> +<span class="code">${refName_g0}</span> to refer to the entire match parsed by this function.</li> + +<li> +<span class="code">${refName_g1}</span> to refer to the first group parsed by this function.</li> + +<li> +<span class="code">${refName_g#}</span> to refer to the n<sup>th</sup> group parsed by this function.</li> + +<li> +<span class="code">${refName_matchNr}</span> to refer to the number of groups found by this function.</li> + </ul> -<div class="clear"></div><div class="note">If using distributed testing, ensure you switch mode (see <span class="code">jmeter.properties</span>) so that it's not a stripping one, see <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=56376";> + +<div class="clear"></div> +<div class="note">If using distributed testing, ensure you switch mode (see <span class="code">jmeter.properties</span>) so that it's not a stripping one, see <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=56376";> Bug - 56376</a></div><div class="clear"></div> + 56376</a> +</div> +<div class="clear"></div> + </p> -</div><div class="properties"><h3 id="__regexFunction_parms1"> + +</div> +<div class="properties"> +<h3 id="__regexFunction_parms1"> Parameters - <a class="sectionlink" href="#__regexFunction_parms1" title="Link to here">¶</a></h3><div class="property title"><div class="name title">Attribute</div><div class="description title">Description</div><div class="required title">Required</div></div> - <div class="property"><div class="name req-true">First argument</div><div class="description req-true">The first argument is the regular expression + <a class="sectionlink" href="#__regexFunction_parms1" title="Link to here">¶</a> +</h3> +<div class="property title"> +<div class="name title">Attribute</div> +<div class="description title">Description</div> +<div class="required title">Required</div> +</div> + +<div class="property"> +<div class="name req-true">First argument</div> +<div class="description req-true">The first argument is the regular expression to be applied to the response data. It will grab all matches. Any parts of this expression that you wish to use in your template string, be sure to surround in parentheses. Example: <span class="code"><a href="(.*)"></span>. This will grab the value of the link and store it as the first group (there is only 1 group). Another example: <span class="code"><input type="hidden" name="(.*)" value="(.*)"></span>. This will grab the name as the first group, and the value as the second group. These values can be used - in your template string</div><div class="required req-true">Yes</div></div> - <div class="property"><div class="name req-true">Second argument</div><div class="description req-true">This is the template string that will replace + in your template string</div> +<div class="required req-true">Yes</div> +</div> + +<div class="property"> +<div class="name req-true">Second argument</div> +<div class="description req-true">This is the template string that will replace the function at run-time. To refer to a group captured in the regular expression, use the syntax: - <span class="code">$[group_number]$</span>. I.e.: <span class="code">$1$</span>, or <span class="code">$2$</span>. Your template can be any string.</div><div class="required req-true">Yes</div></div> - <div class="property"><div class="name req-false">Third argument</div><div class="description req-false">The third argument tells JMeter which match + <span class="code">$[group_number]$</span>. I.e.: <span class="code">$1$</span>, or <span class="code">$2$</span>. Your template can be any string.</div> +<div class="required req-true">Yes</div> +</div> + +<div class="property"> +<div class="name req-false">Third argument</div> +<div class="description req-false">The third argument tells JMeter which match to use. Your regular expression might find numerous matches. You have four choices: - <ul><li>An integer - Tells JMeter to use that match. '<span class="code">1</span>' for the first found match, '<span class="code">2</span>' for the + <ul> +<li>An integer - Tells JMeter to use that match. '<span class="code">1</span>' for the first found match, '<span class="code">2</span>' for the second, and so on</li> - <li><span class="code">RAND</span> - Tells JMeter to choose a match at random.</li> - <li><span class="code">ALL</span> - Tells JMeter to use all matches, and create a template string for each one and then + +<li> +<span class="code">RAND</span> - Tells JMeter to choose a match at random.</li> + +<li> +<span class="code">ALL</span> - Tells JMeter to use all matches, and create a template string for each one and then append them all together. This option is little used.</li> - <li>A float number between 0 and 1 - tells JMeter to find the X<sup>th</sup> match using the formula: + +<li>A float number between 0 and 1 - tells JMeter to find the X<sup>th</sup> match using the formula: (number_of_matches_found * float_number) rounded to nearest integer.</li> - </ul></div><div class="required req-false">No, default=1</div></div> - <div class="property"><div class="name req-false">Fourth argument</div><div class="description req-false">If '<span class="code">ALL</span>' was selected for the above argument - value, then this argument will be inserted between each appended copy of the template value.</div><div class="required req-false">No</div></div> - <div class="property"><div class="name req-false">Fifth argument</div><div class="description req-false">Default value returned if no match is found</div><div class="required req-false">No</div></div> - <div class="property"><div class="name req-false">Sixth argument</div><div class="description req-false">A reference name for reusing the values parsed by this function.<br> + +</ul> +</div> +<div class="required req-false">No, default=1</div> +</div> + +<div class="property"> +<div class="name req-false">Fourth argument</div> +<div class="description req-false">If '<span class="code">ALL</span>' was selected for the above argument + value, then this argument will be inserted between each appended copy of the template value.</div> +<div class="required req-false">No</div> +</div> + +<div class="property"> +<div class="name req-false">Fifth argument</div> +<div class="description req-false">Default value returned if no match is found</div> +<div class="required req-false">No</div> +</div> + +<div class="property"> +<div class="name req-false">Sixth argument</div> +<div class="description req-false">A reference name for reusing the values parsed by this function.<br> Stored values are <span class="code">${refName}</span> (the replacement template string) and <span class="code">${refName_g#}</span> where "<span class="code">#</span>" is the - group number from the regular expression ("<span class="code">0</span>" can be used to refer to the entire match).</div><div class="required req-false">No</div></div> - <div class="property"><div class="name req-false">Seventh argument</div><div class="description req-false">Input variable name. + group number from the regular expression ("<span class="code">0</span>" can be used to refer to the entire match).</div> +<div class="required req-false">No</div> +</div> + +<div class="property"> +<div class="name req-false">Seventh argument</div> +<div class="description req-false">Input variable name. If specified, then the value of the variable is used as the input instead of using the previous sample result. - </div><div class="required req-false">No</div></div> -</div><div class="go-top"><a href="#">^</a></div></div> + </div> +<div class="required req-false">No</div> +</div> + +</div> +<div class="go-top"> +<a href="#">^</a> +</div> +</div> + -<div class="component"><h2 id="__counter">__counter<a class="sectionlink" href="#__counter" title="Link to here">¶</a></h2><div class="description"><p>The counter generates a new number each time it is called, starting with 1 +<div class="component"> +<h2 id="__counter">__counter<a class="sectionlink" href="#__counter" title="Link to here">¶</a> +</h2> +<div class="description"> +<p>The counter generates a new number each time it is called, starting with 1 and incrementing by +1 each time. The counter can be configured to keep each simulated user's values separate, or to use the same counter for all users. If each user's values is incremented separately, that is like counting the number of iterations through the test plan. A global counter is like counting how many times that request was run. </p> + <p>The counter uses an integer variable to hold the count, which therefore has a maximum of 2,147,483,647.</p> + <p>The counter function instances are completely independent. The global counter - "<span class="code">FALSE</span>" - is separately maintained by each counter instance. </p> + <p> + <b> Multiple <span class="code">__counter</span> function calls in the same iteration won't increment the value further. </b> + <br> If you want to have a count that increments for each sample, use the function in a Pre-Processor such as <a href="../usermanual/component_reference.html#User_Parameters">User Parameters</a>. </p> -</div><div class="properties"><h3 id="__counter_parms1"> + +</div> +<div class="properties"> +<h3 id="__counter_parms1"> Parameters - <a class="sectionlink" href="#__counter_parms1" title="Link to here">¶</a></h3><div class="property title"><div class="name title">Attribute</div><div class="description title">Description</div><div class="required title">Required</div></div> - <div class="property"><div class="name req-true">First argument</div><div class="description req-true"><span class="code">TRUE</span> if you wish each simulated user's counter - to be kept independent and separate from the other users. <span class="code">FALSE</span> for a global counter.</div><div class="required req-true">Yes</div></div> + <a class="sectionlink" href="#__counter_parms1" title="Link to here">¶</a> +</h3> +<div class="property title"> +<div class="name title">Attribute</div> +<div class="description title">Description</div> +<div class="required title">Required</div> +</div> + +<div class="property"> +<div class="name req-true">First argument</div> +<div class="description req-true"> +<span class="code">TRUE</span> if you wish each simulated user's counter + to be kept independent and separate from the other users. <span class="code">FALSE</span> for a global counter.</div> +<div class="required req-true">Yes</div> +</div> -<div class="property"><div class="name req-false">Second argument</div><div class="description req-false">A reference name for reusing the value created by this function.<br> + +<div class="property"> +<div class="name req-false">Second argument</div> +<div class="description req-false">A reference name for reusing the value created by this function.<br> Stored values are of the form <span class="code">${refName}</span>. This allows you to keep one counter and refer to its value in - multiple places.</div><div class="required req-false">No</div></div> -</div><div class="go-top"><a href="#">^</a></div></div> + multiple places.</div> +<div class="required req-false">No</div> +</div> + +</div> +<div class="go-top"> +<a href="#">^</a> +</div> +</div> -<div class="component"><h2 id="__threadNum">__threadNum<a class="sectionlink" href="#__threadNum" title="Link to here">¶</a></h2><div class="description"><p>The thread number function simply returns the number of the thread currently + +<div class="component"> +<h2 id="__threadNum">__threadNum<a class="sectionlink" href="#__threadNum" title="Link to here">¶</a> +</h2> +<div class="description"> +<p>The thread number function simply returns the number of the thread currently being executed. These numbers are independent of ThreadGroup, meaning thread #1 in one threadgroup is indistinguishable from thread #1 in another threadgroup, from the point of view of this function.</p> + <p>There are no arguments for this function.</p> + <p>Usage Example: <pre class="source">${__threadNum}</pre> returns a number between 1 and the max number of running threads configured in the containing Thread Group </p> -</div><div class="clear"></div><div class="note"> + +</div> +<div class="clear"></div> +<div class="note"> This function does not work in any Configuration elements (e.g. User Defined Variables) as these are run from a separate thread. Nor does it make sense to use it on the Test Plan. -</div><div class="clear"></div><div class="go-top"><a href="#">^</a></div></div> +</div> +<div class="clear"></div> +<div class="go-top"> +<a href="#">^</a> +</div> +</div> + + +<div class="component"> +<h2 id="__intSum">__intSum<a class="sectionlink" href="#__intSum" title="Link to here">¶</a> +</h2> +<div class="description"> -<div class="component"><h2 id="__intSum">__intSum<a class="sectionlink" href="#__intSum" title="Link to here">¶</a></h2><div class="description"> <p> The intSum function can be used to compute the sum of two or more integer values. </p> -<div class="clear"></div><div class="note"> + +<div class="clear"></div> +<div class="note"> The reference name is optional, but it must not be a valid integer. -</div><div class="clear"></div> -</div><div class="properties"><h3 id="__intSum_parms1"> +</div> +<div class="clear"></div> + +</div> +<div class="properties"> +<h3 id="__intSum_parms1"> Parameters - <a class="sectionlink" href="#__intSum_parms1" title="Link to here">¶</a></h3><div class="property title"><div class="name title">Attribute</div><div class="description title">Description</div><div class="required title">Required</div></div> - <div class="property"><div class="name req-true">First argument</div><div class="description req-true">The first int value.</div><div class="required req-true">Yes</div></div> - <div class="property"><div class="name req-true">Second argument</div><div class="description req-true">The second int value.</div><div class="required req-true">Yes</div></div> - <div class="property"><div class="name req-false">nth argument</div><div class="description req-false">The n<sup>th</sup> int value.</div><div class="required req-false">No</div></div> - <div class="property"><div class="name req-false">last argument</div><div class="description req-false">A reference name for reusing the value computed by this function. + <a class="sectionlink" href="#__intSum_parms1" title="Link to here">¶</a> +</h3> +<div class="property title"> +<div class="name title">Attribute</div> +<div class="description title">Description</div> +<div class="required title">Required</div> +</div> + +<div class="property"> +<div class="name req-true">First argument</div> +<div class="description req-true">The first int value.</div> +<div class="required req-true">Yes</div> +</div> + +<div class="property"> +<div class="name req-true">Second argument</div> +<div class="description req-true">The second int value.</div> +<div class="required req-true">Yes</div> +</div> + +<div class="property"> +<div class="name req-false">nth argument</div> +<div class="description req-false">The n<sup>th</sup> int value.</div> +<div class="required req-false">No</div> +</div> + +<div class="property"> +<div class="name req-false">last argument</div> +<div class="description req-false">A reference name for reusing the value computed by this function. If specified, the reference name must contain at least one non-numeric character otherwise it will be treated as another int value to be added. - </div><div class="required req-false">No</div></div> -</div><p>Examples: -<pre class="source">${__intSum(2,5,MYVAR)}</pre> will return 7 (2+5) and store the result in MYVAR variable. So <span class="code">${MYVAR}</span> will be equal to 7. <br> -<pre class="source">${__intSum(2,5,7)}</pre> will return 14 (2+5+7) and store the result in MYVAR variable. <br> + </div> +<div class="required req-false">No</div> +</div> + +</div> +<p>Examples: +<pre class="source">${__intSum(2,5,MYVAR)}</pre> will return 7 (2+5) and store the result in MYVAR variable. So <span class="code">${MYVAR}</span> will be equal to 7. <br> + +<pre class="source">${__intSum(2,5,7)}</pre> will return 14 (2+5+7) and store the result in MYVAR variable. <br> + <pre class="source">${__intSum(1,2,5,${MYVAR})}</pre> will return 16 if MYVAR value is equal to 8, 1+2+5+${MYVAR})<br> -</p><div class="go-top"><a href="#">^</a></div></div> -<div class="component"><h2 id="__longSum">__longSum<a class="sectionlink" href="#__longSum" title="Link to here">¶</a></h2><div class="description"><p>The longSum function can be used to compute the sum of two or more long values, use this instead of __intSum whenever you know your values will not +</p> +<div class="go-top"> +<a href="#">^</a> +</div> +</div> + + +<div class="component"> +<h2 id="__longSum">__longSum<a class="sectionlink" href="#__longSum" title="Link to here">¶</a> +</h2> +<div class="description"> +<p>The longSum function can be used to compute the sum of two or more long values, use this instead of __intSum whenever you know your values will not be in the interval -2147483648 to 2147483647. -</p></div><div class="properties"><h3 id="__longSum_parms1"> +</p> +</div> +<div class="properties"> +<h3 id="__longSum_parms1"> Parameters - <a class="sectionlink" href="#__longSum_parms1" title="Link to here">¶</a></h3><div class="property title"><div class="name title">Attribute</div><div class="description title">Description</div><div class="required title">Required</div></div> - <div class="property"><div class="name req-true">First argument</div><div class="description req-true">The first long value.</div><div class="required req-true">Yes</div></div> - <div class="property"><div class="name req-true">Second argument</div><div class="description req-true">The second long value.</div><div class="required req-true">Yes</div></div> - <div class="property"><div class="name req-false">nth argument</div><div class="description req-false">The n<sup>th</sup> long value.</div><div class="required req-false">No</div></div> - <div class="property"><div class="name req-false">last argument</div><div class="description req-false">A reference name for reusing the value computed by this function. + <a class="sectionlink" href="#__longSum_parms1" title="Link to here">¶</a> +</h3> +<div class="property title"> +<div class="name title">Attribute</div> +<div class="description title">Description</div> +<div class="required title">Required</div> +</div> + +<div class="property"> +<div class="name req-true">First argument</div> +<div class="description req-true">The first long value.</div> +<div class="required req-true">Yes</div> +</div> + +<div class="property"> +<div class="name req-true">Second argument</div> +<div class="description req-true">The second long value.</div> +<div class="required req-true">Yes</div> +</div> + +<div class="property"> +<div class="name req-false">nth argument</div> +<div class="description req-false">The n<sup>th</sup> long value.</div> +<div class="required req-false">No</div> +</div> + +<div class="property"> +<div class="name req-false">last argument</div> +<div class="description req-false">A reference name for reusing the value computed by this function. If specified, the reference name must contain at least one non-numeric character otherwise it will be treated as another long value to be added. - </div><div class="required req-false">No</div></div> -</div><p>Examples: + </div> +<div class="required req-false">No</div> +</div> + +</div> +<p>Examples: <pre class="source">${__longSum(2,5,MYVAR)}</pre> will return 7 (2+5) and store the result in MYVAR variable. So <span class="code">${MYVAR}</span> will be equal to 7. <br> + <pre class="source">${__longSum(2,5,7)}</pre> will return 14 (2+5+7) and store the result in MYVAR variable. <br> + <pre class="source">${__longSum(1,2,5,${MYVAR})}</pre> will return 16 if MYVAR value is equal to 8, 1+2+5+${MYVAR})<br> -</p><div class="go-top"><a href="#">^</a></div></div> + +</p> +<div class="go-top"> +<a href="#">^</a> +</div> +</div> -<a name="_StringFromFile"></a> -<div class="component"><h2 id="__StringFromFile">__StringFromFile<a class="sectionlink" href="#__StringFromFile" title="Link to here">¶</a></h2><div class="description"> - <p> +<div class="component"> +<h2 id="__StringFromFile">__StringFromFile<a class="sectionlink" href="#__StringFromFile" title="Link to here">¶</a> +</h2> +<div class="description"> + +<p> The StringFromFile function can be used to read strings from a text file. This is useful for running tests that require lots of variable data. For example when testing a banking application, 100s or 1000s of different account numbers might be required. </p> - <p> + +<p> See also the <a href="component_reference.html#CSV_Data_Set_Config">CSV Data Set Config test element</a> which may be easier to use. However, that does not currently support multiple input files. </p> - <p> + +<p> Each time it is called it reads the next line from the file. All threads share the same instance, so different threads will get different lines. When the end of the file is reached, it will start reading again from the beginning, @@ -403,48 +1039,123 @@ be in the interval -2147483648 to 214748 even if the file names are the same. [If the value is to be used again elsewhere, use different variable names for each function call.] </p> - <div class="clear"></div><div class="note"> + +<div class="clear"></div> +<div class="note"> Function instances are shared between threads, and the file is (re-)opened by whatever thread happens to need the next line of input, so using the <span class="code">threadNumber</span> as part of the file name will result in unpredictable behaviour. - </div><div class="clear"></div> - <p>If an error occurs opening or reading the file, then the function returns the string "<span class="code">**ERR**</span>"</p> -</div><div class="properties"><h3 id="__StringFromFile_parms1"> + </div> +<div class="clear"></div> + +<p>If an error occurs opening or reading the file, then the function returns the string "<span class="code">**ERR**</span>"</p> + +</div> +<div class="properties"> +<h3 id="__StringFromFile_parms1"> Parameters - <a class="sectionlink" href="#__StringFromFile_parms1" title="Link to here">¶</a></h3><div class="property title"><div class="name title">Attribute</div><div class="description title">Description</div><div class="required title">Required</div></div> - <div class="property"><div class="name req-true">File Name</div><div class="description req-true">Path to the file name. + <a class="sectionlink" href="#__StringFromFile_parms1" title="Link to here">¶</a> +</h3> +<div class="property title"> +<div class="name title">Attribute</div> +<div class="description title">Description</div> +<div class="required title">Required</div> +</div> + +<div class="property"> +<div class="name req-true">File Name</div> +<div class="description req-true">Path to the file name. (The path can be relative to the JMeter launch directory) If using optional sequence numbers, the path name should be suitable for passing to DecimalFormat. See below for examples. - </div><div class="required req-true">Yes</div></div> - <div class="property"><div class="name req-false">Variable Name</div><div class="description req-false"> + </div> +<div class="required req-true">Yes</div> +</div> + +<div class="property"> +<div class="name req-false">Variable Name</div> +<div class="description req-false"> A reference name - <span class="code">refName</span> - for reusing the value created by this function. Stored values are of the form <span class="code">${refName}</span>. Defaults to "<span class="code">StringFromFile_</span>". - </div><div class="required req-false">No</div></div> - <div class="property"><div class="name req-false">Start sequence number</div><div class="description req-false">Initial Sequence number (if omitted, the End sequence number is treated as a loop count)</div><div class="required req-false">No</div></div> - <div class="property"><div class="name req-false">End sequence number</div><div class="description req-false">Final sequence number (if omitted, sequence numbers can increase without limit)</div><div class="required req-false">No</div></div> -</div><p>The file name parameter is resolved when the file is opened or re-opened.</p><p>The reference name parameter (if supplied) is resolved every time the function is executed.</p><p><b>Using sequence numbers:</b></p><p>When using the optional sequence numbers, the path name is used as the format string for <span class="code">java.text.DecimalFormat</span>. + </div> +<div class="required req-false">No</div> +</div> + +<div class="property"> +<div class="name req-false">Start sequence number</div> +<div class="description req-false">Initial Sequence number (if omitted, the End sequence number is treated as a loop count)</div> +<div class="required req-false">No</div> +</div> + +<div class="property"> +<div class="name req-false">End sequence number</div> +<div class="description req-false">Final sequence number (if omitted, sequence numbers can increase without limit)</div> +<div class="required req-false">No</div> +</div> + +</div> +<p>The file name parameter is resolved when the file is opened or re-opened.</p> +<p>The reference name parameter (if supplied) is resolved every time the function is executed.</p> +<p> +<b>Using sequence numbers:</b> +</p> +<p>When using the optional sequence numbers, the path name is used as the format string for <span class="code">java.text.DecimalFormat</span>. The current sequence number is passed in as the only parameter. If the optional start number is not specified, the path name is used as is. Useful formatting sequences are: - </p><dl> -<dt><span class="code">#</span></dt><dd>insert the number, with no leading zeros or spaces</dd> -<dt><span class="code">000</span></dt><dd>insert the number packed out to three digits with leading zeros if necessary</dd> -</dl><div class="example"><div class="title">Usage of format strings<a class="sectionlink" href="#string-from-file-format-examples" title="Link to here">¶</a></div> + </p> +<dl> + +<dt> +<span class="code">#</span> +</dt> +<dd>insert the number, with no leading zeros or spaces</dd> + +<dt> +<span class="code">000</span> +</dt> +<dd>insert the number packed out to three digits with leading zeros if necessary</dd> + +</dl> +<div class="example"> +<div class="title">Usage of format strings<a class="sectionlink" href="#string-from-file-format-examples" title="Link to here">¶</a> +</div> Here are a few format strings and the corresponding sequences they will generate. <dl> - <dt><span class="code">pin#'.'dat</span></dt><dd>Will generate the digits without leading zeros and treat the dot literally like<br> - <span class="code">pin1.dat</span>, …, <span class="code">pin9.dat</span>, <span class="code">pin10.dat</span>, …, <span class="code">pin9999.dat</span></dd> - <dt><span class="code">pin000'.'dat</span></dt><dd>Will generate leading zeros while keeping the dot. When the numbers start having more digits + +<dt> +<span class="code">pin#'.'dat</span> +</dt> +<dd>Will generate the digits without leading zeros and treat the dot literally like<br> + +<span class="code">pin1.dat</span>, …, <span class="code">pin9.dat</span>, <span class="code">pin10.dat</span>, …, <span class="code">pin9999.dat</span> +</dd> + +<dt> +<span class="code">pin000'.'dat</span> +</dt> +<dd>Will generate leading zeros while keeping the dot. When the numbers start having more digits then those three digits that this format suggests, the sequence will use more digits as can be seen in<br> - <span class="code">pin001.dat</span>, … <span class="code">pin099.dat</span>, …, <span class="code">pin999.dat</span>, …, <span class="code">pin9999.dat</span></dd> - <dt><span class="code">pin'.'dat#</span></dt><dd>Will append digits without leading zeros while keeping the dot and generate<br> - <span class="code">pin.dat1</span>, …, <span class="code">pin.dat9</span>, …, <span class="code">pin.dat999</span></dd> + +<span class="code">pin001.dat</span>, … <span class="code">pin099.dat</span>, …, <span class="code">pin999.dat</span>, …, <span class="code">pin9999.dat</span> +</dd> + +<dt> +<span class="code">pin'.'dat#</span> +</dt> +<dd>Will append digits without leading zeros while keeping the dot and generate<br> + +<span class="code">pin.dat1</span>, …, <span class="code">pin.dat9</span>, …, <span class="code">pin.dat999</span> +</dd> + </dl> -</div><p> + +</div> +<p> If more digits are required than there are formatting characters, the number will be expanded as necessary.<br> - <b>To prevent a formatting character from being interpreted, + +<b>To prevent a formatting character from being interpreted, enclose it in single quotes. Note that "<span class="code">.</span>" is a formatting character, and must be enclosed in single quotes</b> (though <span class="code">#.</span> and <span class="code">000.</span> work as expected in locales where the decimal point is also "<span class="code">.</span>") @@ -459,239 +1170,699 @@ Here are a few format strings and the co the sequence number is interpreted as a loop count, and the file will be used at most "<span class="code">end</span>" times. In this case the filename is not formatted. <br> - <span class="code">${_StringFromFile(PIN#'.'DAT,,1,2)}</span> - reads <span class="code">PIN1.DAT</span>, <span class="code">PIN2.DAT</span><br> - <span class="code">${_StringFromFile(PIN.DAT,,,2)}</span> - reads <span class="code">PIN.DAT</span> twice<br> + +<span class="code">${__StringFromFile(PIN#'.'DAT,,1,2)}</span> - reads <span class="code">PIN1.DAT</span>, <span class="code">PIN2.DAT</span> +<br> + +<span class="code">${__StringFromFile(PIN.DAT,,,2)}</span> - reads <span class="code">PIN.DAT</span> twice<br> Note that the "<span class="code">.</span>" in <span class="code">PIN.DAT</span> above should <u>not</u> be quoted. In this case the start number is omitted, so the file name is used exactly as is. - </p><div class="go-top"><a href="#">^</a></div></div> + </p> +<div class="go-top"> +<a href="#">^</a> +</div> +</div> + -<div class="component"><h2 id="__machineName">__machineName<a class="sectionlink" href="#__machineName" title="Link to here">¶</a></h2><div class="description"><p>The machineName function returns the local host name. This uses the Java method <span class="code">InetAddress.getLocalHost()</span> and passes it to <span class="code">getHostName()</span></p></div><div class="properties"><h3 id="__machineName_parms1"> +<div class="component"> +<h2 id="__machineName">__machineName<a class="sectionlink" href="#__machineName" title="Link to here">¶</a> +</h2> +<div class="description"> +<p>The machineName function returns the local host name. This uses the Java method <span class="code">InetAddress.getLocalHost()</span> and passes it to <span class="code">getHostName()</span> +</p> +</div> +<div class="properties"> +<h3 id="__machineName_parms1"> Parameters - <a class="sectionlink" href="#__machineName_parms1" title="Link to here">¶</a></h3><div class="property title"><div class="name title">Attribute</div><div class="description title">Description</div><div class="required title">Required</div></div> - <div class="property"><div class="name req-false">Variable Name</div><div class="description req-false">A reference name for reusing the value - computed by this function.</div><div class="required req-false">No</div></div> -</div><p>Examples: + <a class="sectionlink" href="#__machineName_parms1" title="Link to here">¶</a> +</h3> +<div class="property title"> +<div class="name title">Attribute</div> +<div class="description title">Description</div> +<div class="required title">Required</div> +</div> + +<div class="property"> +<div class="name req-false">Variable Name</div> +<div class="description req-false">A reference name for reusing the value + computed by this function.</div> +<div class="required req-false">No</div> +</div> + +</div> +<p>Examples: <pre class="source">${__machineName()}</pre> will return the host name of the machine<br> + <pre class="source">${__machineName}</pre> will return the host name of the machine<br> -</p><div class="go-top"><a href="#">^</a></div></div> -<div class="component"><h2 id="__machineIP">__machineIP<a class="sectionlink" href="#__machineIP" title="Link to here">¶</a></h2><div class="description"><p>The machineIP function returns the local IP address. This uses the Java method <span class="code">InetAddress.getLocalHost()</span> and passes it to <span class="code">getHostAddress()</span></p></div><div class="properties"><h3 id="__machineIP_parms1"> +</p> +<div class="go-top"> +<a href="#">^</a> +</div> +</div> + + +<div class="component"> +<h2 id="__machineIP">__machineIP<a class="sectionlink" href="#__machineIP" title="Link to here">¶</a> +</h2> +<div class="description"> +<p>The machineIP function returns the local IP address. This uses the Java method <span class="code">InetAddress.getLocalHost()</span> and passes it to <span class="code">getHostAddress()</span> +</p> +</div> +<div class="properties"> +<h3 id="__machineIP_parms1"> Parameters - <a class="sectionlink" href="#__machineIP_parms1" title="Link to here">¶</a></h3><div class="property title"><div class="name title">Attribute</div><div class="description title">Description</div><div class="required title">Required</div></div> - <div class="property"><div class="name req-false">Variable Name</div><div class="description req-false">A reference name for reusing the value - computed by this function.</div><div class="required req-false">No</div></div> -</div><p>Examples: + <a class="sectionlink" href="#__machineIP_parms1" title="Link to here">¶</a> +</h3> +<div class="property title"> +<div class="name title">Attribute</div> +<div class="description title">Description</div> +<div class="required title">Required</div> +</div> + +<div class="property"> +<div class="name req-false">Variable Name</div> +<div class="description req-false">A reference name for reusing the value + computed by this function.</div> +<div class="required req-false">No</div> +</div> + +</div> +<p>Examples: <pre class="source">${__machineIP()}</pre> will return the IP address of the machine<br> + <pre class="source">${__machineIP}</pre> will return the IP address of the machine<br> -</p><div class="go-top"><a href="#">^</a></div></div> -<div class="component"><h2 id="__javaScript">__javaScript<a class="sectionlink" href="#__javaScript" title="Link to here">¶</a></h2><div class="description"> +</p> +<div class="go-top"> +<a href="#">^</a> +</div> +</div> + + +<div class="component"> +<h2 id="__javaScript">__javaScript<a class="sectionlink" href="#__javaScript" title="Link to here">¶</a> +</h2> +<div class="description"> + <p> The javaScript function executes a piece of JavaScript (not Java!) code and returns its value </p> + <p> The JMeter Javascript function calls a standalone JavaScript interpreter. Javascript is used as a scripting language, so you can do calculations etc.</p> + <p> -<div class="clear"></div><div class="note">javaScript is not the best scripting language for performances in JMeter. If your plan requires a high number of threads + +<div class="clear"></div> +<div class="note">javaScript is not the best scripting language for performances in JMeter. If your plan requires a high number of threads it is advised to use <span class="code">__jexl3</span> or <span class="code">__groovy</span> functions. -</div><div class="clear"></div> +</div> +<div class="clear"></div> For Nashorn Engine, please see <a href="https://docs.oracle.com/javase/8/docs/technotes/guides/scripting/nashorn/";>Java Platform, Standard Edition Nashorn User's Guide</a>.<br> For Rhino engine, please see <a href="http://www.mozilla.org/rhino/overview.html";>Mozilla Rhino Overview</a> + </p> + <p> The following variables are made available to the script: </p> + <ul> -<li><span class="code">log</span> - the <a href="https://www.slf4j.org/api/org/slf4j/Logger.html";>Logger</a> for the function</li> -<li><span class="code">ctx</span> - <a href="../api/org/apache/jmeter/threads/JMeterContext.html">JMeterContext</a> object</li> -<li><span class="code">vars</span> - <a href="../api/org/apache/jmeter/threads/JMeterVariables.html">JMeterVariables</a> object</li> -<li><span class="code">threadName</span> - String containing the current thread name</li> -<li><span class="code">sampler</span> - current <a href="../api/org/apache/jmeter/samplers/Sampler.html">Sampler</a> object (if any)</li> -<li><span class="code">sampleResult</span> - previous <a href="../api/org/apache/jmeter/samplers/SampleResult.html">SampleResult</a> object (if any)</li> -<li><span class="code">props</span> - JMeterProperties (class <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Properties.html";><span class="code">java.util.Properties</span></a>) object</li> + +<li> +<span class="code">log</span> - the <a href="https://www.slf4j.org/api/org/slf4j/Logger.html";>Logger</a> for the function</li> + +<li> +<span class="code">ctx</span> - <a href="../api/org/apache/jmeter/threads/JMeterContext.html">JMeterContext</a> object</li> + +<li> +<span class="code">vars</span> - <a href="../api/org/apache/jmeter/threads/JMeterVariables.html">JMeterVariables</a> object</li> + +<li> +<span class="code">threadName</span> - String containing the current thread name</li> + +<li> +<span class="code">sampler</span> - current <a href="../api/org/apache/jmeter/samplers/Sampler.html">Sampler</a> object (if any)</li> + +<li> +<span class="code">sampleResult</span> - previous <a href="../api/org/apache/jmeter/samplers/SampleResult.html">SampleResult</a> object (if any)</li> + +<li> +<span class="code">props</span> - JMeterProperties (class <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Properties.html";><span class="code">java.util.Properties</span></a>) object</li> + </ul> + <p> Rhinoscript allows access to static methods via its Packages object. See the <a href="https://wiki.openjdk.java.net/display/Nashorn/Rhino+Migration+Guide";>Scripting Java</a> documentation. For example one can access the JMeterContextService static methods thus: <span class="code">Java.type("org.apache.jmeter.threads.JMeterContextService").getTotalThreads()</span> + </p> -<div class="clear"></div><div class="note"> + +<div class="clear"></div> +<div class="note"> JMeter is not a browser, and does not interpret the JavaScript in downloaded pages. -</div><div class="clear"></div> -</div><div class="properties"><h3 id="__javaScript_parms1"> +</div> +<div class="clear"></div> + +</div> +<div class="properties"> +<h3 id="__javaScript_parms1"> Parameters - <a class="sectionlink" href="#__javaScript_parms1" title="Link to here">¶</a></h3><div class="property title"><div class="name title">Attribute</div><div class="description title">Description</div><div class="required title">Required</div></div> - <div class="property"><div class="name req-true">Expression</div><div class="description req-true">The JavaScript expression to be executed. For example: + <a class="sectionlink" href="#__javaScript_parms1" title="Link to here">¶</a> +</h3> +<div class="property title"> +<div class="name title">Attribute</div> +<div class="description title">Description</div> +<div class="required title">Required</div> +</div> + +<div class="property"> +<div class="name req-true">Expression</div> +<div class="description req-true">The JavaScript expression to be executed. For example: <ul> - <li><span class="code">new Date()</span> - return the current date and time</li> - <li><span class="code">Math.floor(Math.random()*(${maxRandom}+1))</span> - - a random number between <span class="code">0</span> and the variable <span class="code">maxRandom</span></li> - <li><span class="code">${minRandom}+Math.floor(Math.random()*(${maxRandom}-${minRandom}+1))</span> - - a random number between the variables <span class="code">minRandom</span> and <span class="code">maxRandom</span></li> - <li><span class="code">"${VAR}"=="abcd"</span></li> - </ul> - </div><div class="required req-true">Yes</div></div> - <div class="property"><div class="name req-false">Variable Name</div><div class="description req-false">A reference name for reusing the value - computed by this function.</div><div class="required req-false">No</div></div> -</div><div class="clear"></div><div class="note">Remember to include any necessary quotes for text strings and JMeter variables. Also, if + +<li> +<span class="code">new Date()</span> - return the current date and time</li> + +<li> +<span class="code">Math.floor(Math.random()*(${maxRandom}+1))</span> + - a random number between <span class="code">0</span> and the variable <span class="code">maxRandom</span> +</li> + +<li> +<span class="code">${minRandom}+Math.floor(Math.random()*(${maxRandom}-${minRandom}+1))</span> + - a random number between the variables <span class="code">minRandom</span> and <span class="code">maxRandom</span> +</li> + +<li> +<span class="code">"${VAR}"=="abcd"</span> +</li> + +</ul> + +</div> +<div class="required req-true">Yes</div> +</div> + +<div class="property"> +<div class="name req-false">Variable Name</div> +<div class="description req-false">A reference name for reusing the value + computed by this function.</div> +<div class="required req-false">No</div> +</div> + +</div> +<div class="clear"></div> +<div class="note">Remember to include any necessary quotes for text strings and JMeter variables. Also, if the expression has commas, please make sure to escape them. For example in: <pre class="source"> ${__javaScript('${sp}'.slice(7\,99999))} </pre> -the comma after <span class="code">7</span> is escaped.</div><div class="clear"></div><p>Examples: -<pre class="source">${__javaScript(new Date())}</pre> will return <span class="code">Sat Jan 09 2016 16:22:15 GMT+0100 (CET)</span><br> -<pre class="source">${__javaScript(new Date(),MYDATE)}</pre> will return <span class="code">Sat Jan 09 2016 16:22:15 GMT+0100 (CET)</span> and store it under variable <span class="code">MYDATE</span><br> +the comma after <span class="code">7</span> is escaped.</div> +<div class="clear"></div> +<p>Examples: +<pre class="source">${__javaScript(new Date())}</pre> will return <span class="code">Sat Jan 09 2016 16:22:15 GMT+0100 (CET)</span> +<br> + +<pre class="source">${__javaScript(new Date(),MYDATE)}</pre> will return <span class="code">Sat Jan 09 2016 16:22:15 GMT+0100 (CET)</span> and store it under variable <span class="code">MYDATE</span> +<br> + <pre class="source">${__javaScript(Math.floor(Math.random()*(${maxRandom}+1)),MYRESULT)}</pre> will use maxRandom variable, return a random value between 0 and maxRandom and store it in MYRESULT <pre class="source">${__javaScript(${minRandom}+Math.floor(Math.random()*(${maxRandom}-${minRandom}+1)),MYRESULT)}</pre> will use <span class="code">maxRandom</span> and <span class="code">minRandom</span> variables, return a random value between <span class="code">maxRandom</span> and <span class="code">minRandom</span> and store it under variable <span class="code">MYRESULT</span> + <pre class="source">${__javaScript("${VAR}"=="abcd",MYRESULT)}</pre> will compare the value of <span class="code">VAR</span> variable with <span class="code">abcd</span>, return <span class="code">true</span> or <span class="code">false</span> and store the result in MYRESULT -</p><div class="go-top"><a href="#">^</a></div></div> +</p> +<div class="go-top"> +<a href="#">^</a> +</div> +</div> -<div class="component"><h2 id="__Random">__Random<a class="sectionlink" href="#__Random" title="Link to here">¶</a></h2><div class="description"><p>The random function returns a random number that lies between the given min and max values.</p></div><div class="properties"><h3 id="__Random_parms1"> + +<div class="component"> +<h2 id="__Random">__Random<a class="sectionlink" href="#__Random" title="Link to here">¶</a> +</h2> +<div class="description"> +<p>The random function returns a random number that lies between the given min and max values.</p> +</div> +<div class="properties"> +<h3 id="__Random_parms1"> Parameters - <a class="sectionlink" href="#__Random_parms1" title="Link to here">¶</a></h3><div class="property title"><div class="name title">Attribute</div><div class="description title">Description</div><div class="required title">Required</div></div> - <div class="property"><div class="name req-true">Minimum value</div><div class="description req-true">A number</div><div class="required req-true">Yes</div></div> - <div class="property"><div class="name req-true">Maximum value</div><div class="description req-true">A bigger number</div><div class="required req-true">Yes</div></div> - <div class="property"><div class="name req-false">Variable Name</div><div class="description req-false">A reference name for reusing the value - computed by this function.</div><div class="required req-false">No</div></div> -</div><p>Examples: + <a class="sectionlink" href="#__Random_parms1" title="Link to here">¶</a> +</h3> +<div class="property title"> +<div class="name title">Attribute</div> +<div class="description title">Description</div> +<div class="required title">Required</div> +</div> + +<div class="property"> +<div class="name req-true">Minimum value</div> +<div class="description req-true">A number</div> +<div class="required req-true">Yes</div> +</div> + +<div class="property"> +<div class="name req-true">Maximum value</div> +<div class="description req-true">A bigger number</div> +<div class="required req-true">Yes</div> +</div> + +<div class="property"> +<div class="name req-false">Variable Name</div> +<div class="description req-false">A reference name for reusing the value + computed by this function.</div> +<div class="required req-false">No</div> +</div> + +</div> +<p>Examples: <pre class="source">${__Random(0,10)}</pre> will return a random number between 0 and 10<br> + <pre class="source">${__Random(0,10, MYVAR)}</pre> will return a random number between 0 and 10 and store it in <span class="code">MYVAR</span>. <span class="code">${MYVAR}</span> will contain the random number<br> -</p><div class="go-top"><a href="#">^</a></div></div> -<div class="component"><h2 id="__RandomString">__RandomString<a class="sectionlink" href="#__RandomString" title="Link to here">¶</a></h2><div class="description"><p>The RandomString function returns a random String of length using characters in chars to use.</p></div><div class="properties"><h3 id="__RandomString_parms1"> +</p> +<div class="go-top"> +<a href="#">^</a> +</div> +</div> + + +<div class="component"> +<h2 id="__RandomDate">__RandomDate<a class="sectionlink" href="#__RandomDate" title="Link to here">¶</a> +</h2> +<div class="description"> +<p>The RandomDate function returns a random date that lies between the given start date and end date values.</p> +</div> +<div class="properties"> +<h3 id="__RandomDate_parms1"> + Parameters + <a class="sectionlink" href="#__RandomDate_parms1" title="Link to here">¶</a> +</h3> +<div class="property title"> +<div class="name title">Attribute</div> +<div class="description title">Description</div> +<div class="required title">Required</div> +</div> + +<div class="property"> +<div class="name req-false">Time format</div> +<div class="description req-false">Format string for DateTimeFormatter (default <span class="code">yyyy-MM-dd</span>)</div> +<div class="required req-false">No</div> +</div> + +<div class="property"> +<div class="name req-false">Start date</div> +<div class="description req-false">The start date, the default is <em>now</em> +</div> +<div class="required req-false">No</div> +</div> + +<div class="property"> +<div class="name req-true">End date</div> +<div class="description req-true">The end date</div> +<div class="required req-true">Yes</div> +</div> + +<div class="property"> +<div class="name req-false">Locale to use for format</div> +<div class="description req-false"> + The string format of a locale. The language code must be lowercase. The country code must be uppercase. The separator must be an underscore, e.g. <span class="code">en_EN</span>. + See <a href="http://www.oracle.com/technetwork/java/javase/javase7locales-334809.html";>http://www.oracle.com/technetwork/java/javase/javase7locales-334809.html</a>. + If omitted, by default the function uses the Apache JMeter locale one. + </div> +<div class="required req-false">No</div> +</div> + +<div class="property"> +<div class="name req-false">Name of variable</div> +<div class="description req-false">The name of the variable to set.</div> +<div class="required req-false">No</div> +</div> + +</div> +<p>Examples: +<pre class="source">${__RandomDate(,,2050-07-08,,)}</pre> will return a random date between <em>now</em> and <span class="code">2050-07-08</span>. For example <span class="code">2039-06-21</span> +<br> + +<pre class="source">${__RandomDate(dd MM yyyy,,08 07 2050,,)}</pre> will return a random date with a custom format like <span class="code">04 03 2034</span> +<br> + +</p> +<div class="go-top"> +<a href="#">^</a> +</div> +</div> + + +<div class="component"> +<h2 id="__RandomString">__RandomString<a class="sectionlink" href="#__RandomString" title="Link to here">¶</a> +</h2> +<div class="description"> +<p>The RandomString function returns a random String of length using characters in chars to use.</p> +</div> +<div class="properties"> +<h3 id="__RandomString_parms1"> Parameters
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