Since I got no replies, a followup nag -- Any idea if the below is expected behavior for JMeter or Java? (In the passage below, '<CR>' and '<LF>' stand for carriage return and line feed characters respectively.)
> blah\<CR>\<LF> > ^^^^^^^escaped <CR> and <LF> > > Now when I copy this escaped text and paste it into the JMeter Response > Assertion's Swing textbox, something (could be Java) does not like a bare > <LF> without a <CR> immediately before it, and the string gets clobberred > like so: > > blah\\<CR><LF> > ^^^^ Arrgh! Cheers, Sonam Chauhan -- Electronic Commerce, Corporate Express Australia Ltd. Phone: +61-2-9335-0725, Email: [EMAIL PROTECTED] > -----Original Message----- > From: Sonam Chauhan > Sent: Friday, 6 May 2005 9:06 PM > To: 'JMeter Users List' > Subject: RE: Regression Testing w/ JMeter > > Hello Jmeter-ers. > > I tried setting up a simple JMeter testcase for my > "use-regexs-as-a-diff-flag" idea; but no matter what I did, the assertion > do > not work. > > I know the idea itself is sound (see Perl code below), but I may have run > into a bug (feature?) in line terminations in JMeter. Or have I? > > When I run Perl's quotemeta on a string with a "<CR><LF>" line termination > (Say for e.g.: "blah<CR><LF>"), it quotes both the <CR> and the <LF> > characters thus: > > blah\<CR>\<LF> > ^^^^^^^escaped <CR> and <LF> > > Now when I copy this escaped text and paste it into the JMeter Response > Assertion's Swing textbox, something (could be Java) does not like a bare > <LF> without a <CR> immediately before it, and the string gets clobberred > like so: > > blah\\<CR><LF> > ^^^^ Arrgh! > > Manually correcting the text in the Swing checkbox seems to have no > effect. > > Anyway, thought I'd pop this up to the list for some ideas and comments... > > Regards, > Sonam Chauhan > -- > Electronic Commerce, Corporate Express Australia Ltd. > Phone: +61-2-9335-0725, Email: [EMAIL PROTECTED] > > > > -----Original Message----- > > From: Sonam Chauhan > > Sent: Thursday, 5 May 2005 1:57 PM > > To: 'JMeter Users List' > > Subject: RE: Regression Testing w/ JMeter > > > > > > > > > It would be hard - there could be dozens or even hundreds of > > > characters > > > > > > > that need to be escaped else they'll be treated as funky > regular > > > > > > > expression signifiers. > > > > Mike: It's easy just using quotemeta to automatically escape anything > that > > looks dangerous. > > > > Thanks for the advice guys. I've got a simple prototype working in Perl. > > In > > the code below, both the sample texts with some arbitrary special > > characters > > match against a single 3-part regular expression. > > > > Regards, > > Sonam Chauhan > > -- > > Electronic Commerce, Corporate Express Australia Ltd. > > Phone: +61-2-9335-0725, Email: [EMAIL PROTECTED] > > > > PERL CODE > > ========================================== > > #!/usr/bin/perl > > > > #Text that must be matched > > $sample_text1 = 'multi-line test \t with special *?#. > > VAR 123 characters like . \d and .$'; > > $sample_text2 = 'multi-line test \t with special *?#. > > VAR 457 characters like . \d and .$'; > > $text_to_match = $sample_text2; # or $text2 > > > > #Regular Expressions that will match against text > > $regex_1 = 'multi-line test \t with special *?#. > > '; > > $regex_2 = ' VAR \d\d\d '; > > $regex_3 = 'characters like . \d and .$'; > > > > #Actual matching > > $full_regex = quotemeta ($regex_1).$regex_2.quotemeta ($regex_3); > > $result = $text_to_match =~ /($full_regex)/; > > > > #Output > > print "----------------------------\n"; > > print "Text to match: $text_to_match\n"; > > print "----------------------------\n"; > > print "Quotemeta'ed Regex: $full_regex\n"; > > print "----------------------------\n"; > > print "Match result: $result\n"; > > print "----------------------------\n"; > > print "\$1 from match: $1\n"; > > > > > > > > PROGRAM OUTPUT > > ========================================== > > Text to match: multi-line test \t with special *?#. > > VAR 457 characters like . \d and .$ > > ---------------------------- > > Quotemeta'ed Regex: multi\-line\ test\ \\t\ with\ special\ \*\?\#\.\ \ > > VAR \d\d\d characters\ like\ \.\ \\d\ and\ \.\$ > > ---------------------------- > > Match result: 1 > > ---------------------------- > > $1 from match: multi-line test \t with special *?#. > > VAR 457 characters like . \d and .$ > > > > > > > > > > > > > -----Original Message----- > > > From: Michael Stover [mailto:[EMAIL PROTECTED] > > > Sent: Wednesday, 27 April 2005 11:16 PM > > > To: [email protected] > > > Subject: Re: Regression Testing w/ JMeter > > > > > > ha, I can never keep them straight without looking them up every time. > > > I need a quick reference for life. > > > > > > On Wed, 2005-04-27 at 14:13 +0100, sebb wrote: > > > > \s* would be better ;-) > > > > > > > > I think it will be much easier to replace the variable bits with > > > > something fixed (e.g. nothing) before trying any comparisons. > > > > > > > > This should all be possible using the BeanShell Assertion - at least > > > > for proof of concept. > > > > > > > > S. > > > > On 4/27/05, Michael Stover <[EMAIL PROTECTED]> wrote: > > > > > Maybe you'll have to take drastic steps like replacing all white > > space > > > > > characters with \S* constructs, since whitespace could be tabs, > > > spaces, > > > > > linefeeds, carriage returns... > > > > > > > > > > The only way I ever have success with big regexes is to build them > > up > > > > > from tiny to large, whereas you are trying to start out with the > > whole > > > > > shebang. > > > > > > > > > > -Mike > > > > > > > > > > On Wed, 2005-04-27 at 11:54 +1000, Sonam Chauhan wrote: > > > > > > Hi Mike, Sebb - > > > > > > > > > > > > > It would be hard - there could be dozens or even hundreds of > > > characters > > > > > > > that need to be escaped else they'll be treated as funky > regular > > > > > > > expression signifiers. > > > > > > > > > > > > I played around on this a while back... I recall I used a Perl > > > script to > > > > > > process the text to escape metacharacters. (I used the quotemeta > > > builtin > > > > > > Perl function that escapes just about everything not > alphanumeric > > > with a > > > > > > backslash - even spaces!). I could not get it to work though - > > even > > > with > > > > > > modifiers. I _suspect_ it could be a line terminator issue - I > > > suspect Java > > > > > > does something strange with line terminations of text pasted > into > > a > > > textbox. > > > > > > > > > > > > > > > > > > Obviously, even if it works, a 4-step process involving external > > > tools isn't > > > > > > practical for everyday use. Ideally, an 'Enhanced Response > > > Assertion' > > > > > > element would allow me to simply paste in a full document, mark > > > certain of > > > > > > text, and edit them as regular expressions (these would then > > display > > > in a > > > > > > different font or color). > > > > > > > > > > > > Seb, you also mentioned: > > > > > > > > The Regex Tester might help here. > > > > > > > > > > > > I haven't used one so far -- is there a specific one you had in > > > mind? > > > > > > > > > > > > Regards, > > > > > > Sonam Chauhan > > > > > > -- > > > > > > Electronic Commerce, Corporate Express Australia Ltd. > > > > > > Phone: +61-2-9335-0725, Email: [EMAIL PROTECTED] > > > > > > > > > > > > > > > > > > > -----Original Message----- > > > > > > > From: Michael Stover [mailto:[EMAIL PROTECTED] > > > > > > > Sent: Tuesday, 26 April 2005 11:25 PM > > > > > > > To: [email protected] > > > > > > > Subject: Re: Regression Testing w/ JMeter > > > > > > > > > > > > > > It would be hard - there could be dozens or even hundreds of > > > characters > > > > > > > that need to be escaped else they'll be treated as funky > regular > > > > > > > expression signifiers. > > > > > > > > > > > > > > -Mike > > > > > > > > > > > > > > On Tue, 2005-04-26 at 11:18 +0100, sebb wrote: > > > > > > > > Clever idea - should work. > > > > > > > > But it is harder to make work than removing/replacing the > > > variable > > > > > > > > bits as you are finding! > > > > > > > > > > > > > > > > The modifiers such as (?m) and (?s) do work in JMeter. > > > > > > > > > > > > > > > > Note that these can change the meaning of ".", ^ $ etc > > > > > > > > > > > > > > > > The Regex Tester might help here. > > > > > > > > > > > > > > > > S. > > > > > > > > On 4/26/05, Sonam Chauhan <[EMAIL PROTECTED]> wrote: > > > > > > > > > > Or one could develop a new Assertion. > > > > > > > > > > > > > > > > > > > > You might still need to add a way to edit the responses > to > > > remove > > > > > > > the > > > > > > > > > > variable data. > > > > > > > > > > > > > > > > > > Sebb and Keith - I tried something similar with plain > > response > > > > > > > assertions > > > > > > > > > and regexs... my intention was to get JMeter to act as a > > > rudimentary > > > > > > > diff > > > > > > > > > facility (it just signals if something is different), but > I > > > may have > > > > > > > run > > > > > > > > > into a limitation the regex support. > > > > > > > > > > > > > > > > > > The usual way to use Response Assertions is setting > snippets > > > of text > > > > > > > (which > > > > > > > > > may have regexs) in an assertion. JMeter then tries to > match > > > the > > > > > > > response > > > > > > > > > body (or headers) against it. > > > > > > > > > > > > > > > > > > Is it possible to assert a suitably processed multiline > > > document? I > > > > > > > was > > > > > > > > > thinking of something like this: > > > > > > > > > > > > > > > > > > 1. Take the _entire_ body response from a server > > > > > > > > > 2. Replace the variable bits with suitable regular > > expressions > > > > > > > > > 3. Quote any other regex metacharacters > > > > > > > > > 4. Take the text processed this way, and set it as a > JMeter > > > response > > > > > > > > > assertion > > > > > > > > > > > > > > > > > > I tried doing this - JMeter lets me paste in this multi- > line > > > text into > > > > > > > the > > > > > > > > > assertion textbox with no problems, but try as I might, I > > > could not it > > > > > > > to > > > > > > > > > work. I also tried using Perl5 extended regular > expressions > > of > > > > > > > multiline > > > > > > > > > matching - i.e., instead of /abc/m, I set the assertion to > > > (?m)abc - > > > > > > > but no > > > > > > > > > go. > > > > > > > > > > > > > > > > > > I'd like your thoughts on this issue. > > > > > > > > > > > > > > > > > > Regards, > > > > > > > > > Sonam Chauhan > > > > > > > > > -- > > > > > > > > > Electronic Commerce, Corporate Express Australia Ltd. > > > > > > > > > Phone: +61-2-9335-0725, Email: [EMAIL PROTECTED] > > > > > > > > > > > > > > > > > > > > > > > > > > > > -----Original Message----- > > > > > > > > > > From: sebb [mailto:[EMAIL PROTECTED] > > > > > > > > > > Sent: Monday, 25 April 2005 10:51 PM > > > > > > > > > > To: JMeter Users List > > > > > > > > > > Subject: Re: Regression Testing w/ JMeter > > > > > > > > > > > > > > > > > > > > The Post-Processor Save Responses to a File was partly > > > introduced > > > > > > > with > > > > > > > > > > this in mind. > > > > > > > > > > > > > > > > > > > > This takes a name prefix (which I think can be a > variable) > > > so you > > > > > > > can > > > > > > > > > > run the test twice, saving the results to two sets of > > files, > > > and > > > > > > > then > > > > > > > > > > use some other tool to do comparisons of the files. > > > > > > > > > > > > > > > > > > > > You may need to pre-process the files to remove some > > dynamic > > > data > > > > > > > > > > (e.g. dates/times) before doing the diffs. > > > > > > > > > > > > > > > > > > > > There's no differencing capability built into JMeter at > > > present. > > > > > > > > > > > > > > > > > > > > However, I guess the Save Responses test element could > be > > > extended > > > > > > > to > > > > > > > > > > include a second filename prefix, and could save the new > > > data and > > > > > > > then > > > > > > > > > > compare it. Not sure offhand how this should report > > > differences - I > > > > > > > > > > think it may run too late to change the failure status - > > but > > > it > > > > > > > could > > > > > > > > > > certainly log a message. > > > > > > > > > > > > > > > > > > > > Or one could develop a new Assertion. > > > > > > > > > > > > > > > > > > > > You might still need to add a way to edit the responses > to > > > remove > > > > > > > the > > > > > > > > > > variable data. > > > > > > > > > > I think this could be done using another Post-Processor > > > (BeanShell > > > > > > > > > > Assertion should be usable here) that gets run before > the > > > Saver gets > > > > > > > > > > the result. Or this could be added to the Saver itself > > > (easier to > > > > > > > > > > understand). > > > > > > > > > > > > > > > > > > > > I suggest you try using external comparisons first, as > > this > > > will > > > > > > > give > > > > > > > > > > a better idea of the sort of text that might need to be > > > removed from > > > > > > > > > > the responses before diffing. > > > > > > > > > > > > > > > > > > > > S. > > > > > > > > > > On 4/25/05, Keith Weicksel <[EMAIL PROTECTED]> > wrote: > > > > > > > > > > > I was wondering if anyone used JMeter to regression > test > > a > > > site. > > > > > > > > > > > Particularily, what I am looking for is the ability > to: > > > > > > > > > > > > > > > > > > > > > > 1 - create a baseline tests for some path in our site > > > (storing the > > > > > > > > > > > HTML/DOM response somewhere) > > > > > > > > > > > 2 - run the same test again after changes were made to > > the > > > site > > > > > > > and be > > > > > > > > > > > able to DIFF the responses (showing the differences > > > somehow) > > > > > > > > > > > 3 - if there are changes (and they are OK), replace > the > > > baseline > > > > > > > > > > > responses with the new valid ones > > > > > > > > > > > > > > > > > > > > > > I have used JMeter for about a month now, and do not > > > believe it > > > > > > > has this > > > > > > > > > > > functionality built right into it at this point. My > > > question is > > > > > > > what is > > > > > > > > > > > the extent of the regression testing ability buiilt > into > > > JMeter? > > > > > > > And > > > > > > > > > > > how difficult would it be to add this functionaility > to > > it > > > > > > > myselft? > > > > > > > > > > > > > > > > > > > > > > Thanks, > > > > > > > > > > > > > > > > > > > > > > Keith > > > > > > > > > > > > > > > > > > > > > > ------------------------------------------------------ > -- > > -- > > > -------- > > > > > > > --- > > > > > > > > > > > To unsubscribe, e-mail: jmeter-user- > > > [EMAIL PROTECTED] > > > > > > > > > > > For additional commands, e-mail: jmeter-user- > > > > > > > [EMAIL PROTECTED] > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -------------------------------------------------------- > -- > > -- > > > -------- > > > > > > > - > > > > > > > > > > To unsubscribe, e-mail: jmeter-user- > > > [EMAIL PROTECTED] > > > > > > > > > > For additional commands, e-mail: jmeter-user- > > > [EMAIL PROTECTED] > > > > > > > > > > > > > > > > > > ---------------------------------------------------------- > -- > > -- > > > ------- > > > > > > > > > To unsubscribe, e-mail: jmeter-user- > > > [EMAIL PROTECTED] > > > > > > > > > For additional commands, e-mail: jmeter-user- > > > [EMAIL PROTECTED] > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > ------------------------------------------------------------ > -- > > -- > > > ----- > > > > > > > > To unsubscribe, e-mail: jmeter-user- > > > [EMAIL PROTECTED] > > > > > > > > For additional commands, e-mail: jmeter-user- > > > [EMAIL PROTECTED] > > > > > > > > > > > > > > > > > > > > > > > > > > > > -------------------------------------------------------------- > -- > > -- > > > --- > > > > > > > To unsubscribe, e-mail: jmeter-user- > > [EMAIL PROTECTED] > > > > > > > For additional commands, e-mail: jmeter-user- > > > [EMAIL PROTECTED] > > > > > > > > > > > > ---------------------------------------------------------------- > -- > > -- > > > - > > > > > > To unsubscribe, e-mail: jmeter-user- > [EMAIL PROTECTED] > > > > > > For additional commands, e-mail: jmeter-user- > > [EMAIL PROTECTED] > > > > > > > > > > ------------------------------------------------------------------ > -- > > - > > > > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > > > > For additional commands, e-mail: jmeter-user- > [EMAIL PROTECTED] > > > > > > > > > > > > > > > > > > -------------------------------------------------------------------- > - > > > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > > > > > > --------------------------------------------------------------------- > > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
