>> I get this error
>>
>> Cannot cast object 'org.spockframework.runtime.model.SpecInfo@73f38e62'
>> with class 'org.spockframework.runtime.model.SpecInfo' to class
>> 'geb.spock.GebSpec'
The simple answer is: I was sloppy and wish too apologise for it. This
is the perfect example why I keep telling the teams I coach: "If you are
sloppy, you either have to do it twice or someone else has to clean up
after you." The latter was the case: Marcin cleaned up after me and I am
feeling embarrassed. So in order to learn a lesson from this, let me
describe what happened:
-- I added the 'afterIteration' method to my existing extension for
which also a test using it exists.
-- The existing test is a simple Spock test, not a Geb test.
-- Looking at 'if (iteration.feature.spec instanceof GebSpec)', first
of all there is a bug because despite the suggestive property name
'spec' (which in reality is a method name 'getSpec') the return
value is an instance of SpecInfo, not of Specification. Maybe the
getter should have been named 'getSpecInfo', but anyway it was my
mistake. I did not actually run or debug is, just quickly hacked it
into my IDE using code completion. Secondly, even if this piece of
code would have been correct, I do not really have a GebSpec
running this extension which would make the code enter the 'if'
block. Double mess-up!
-- I actually never planned to run the code because I do not have
access to your 'takeScreenshot' method, simply because you did not
provide it in your original question. So for me it was pseudo code
and I was too lazy to create a dummy 'takeScreenshot' method just
logging something or whatever.
I wanted to save time and just help getting you started. My main
objective was to convince you to try GebReportingSpec anyway, like I
said. But the sample code was just sloppy. Thanks to Marcin for cleaning
up my mess!
--
Alexander Kriegisch
https://scrum-master.de
Marcin Erdmann schrieb am 05.01.2021 04:10 (GMT +07:00):
>
> Unfortunately the code provided by Alexander is not quite right. You
> cannot obtain an instance of the spec in an AbstractRunListener because
> it's not available on IterationInfo. You will need to combine an
> AbstractRunListener with an IMethodInterceptor, like
> geb.spock.OnFailureReporter which ships with Geb does. The adapted example
> from Alexander would look like this:
>
>
> import geb.spock.GebSpec
> import org.spockframework.runtime.AbstractRunListener
> import org.spockframework.runtime.extension.AbstractGlobalExtension
> import org.spockframework.runtime.extension.IMethodInterceptor
> import org.spockframework.runtime.extension.IMethodInvocation
> import org.spockframework.runtime.model.ErrorInfo
> import org.spockframework.runtime.model.SpecInfo
>
> class TestResultExtension extends AbstractGlobalExtension {
> @Override
> void visitSpec(SpecInfo spec) {
> def reporter = new ErrorReporter()
> spec.addListener(reporter)
> spec.allFeatures*.addIterationInterceptor(reporter)
> }
>
> static class ErrorReporter extends AbstractRunListener implements
> IMethodInterceptor {
>
> GebSpec specInstance
>
> @Override
> void error(ErrorInfo error) {
> if (specInstance) {
> def driver = specInstance.driver
> driver.manage().window().maximize()
> takeScreenshot(driver)
> }
> }
>
> @Override
> void intercept(IMethodInvocation invocation) throws Throwable {
> def specInstance = invocation.instance
> if (specInstance instanceof GebSpec) {
> this.specInstance = specInstance
> }
>
> try {
> invocation.proceed()
> } finally {
> this.specInstance = null
> }
> }
> }
> }
>
>
> On Mon, Jan 4, 2021 at 4:20 PM GebUser <[email protected]
> <mailto:[email protected]> > wrote:
>
>> where is this "driver" coming from?
>> def driver = (iteration.feature.spec as GebSpec).driver
>>
>>
>> I get this error
>>
>> Cannot cast object 'org.spockframework.runtime.model.SpecInfo@73f38e62'
>> with class 'org.spockframework.runtime.model.SpecInfo' to class
>> 'geb.spock.GebSpec'
>>
>>
>> On Monday, December 21, 2020 at 8:23:55 PM UTC-5 [email protected]
>> <mailto:[email protected]> wrote:
>>
>>> Hi.
>>>
>>> I hope it is okay, even though I am not Marcin. ;-)
>>>
>>> It looks like you you found the sample code in my SO answer here:
>>> https://stackoverflow.com/a/50679606/1082681
>>>
>>> Before we continue, making a possibly simple thing complicated: Are you
>>> aware of the fact that if your specification extends GebReportingSpec,
>>> it will by default have a screenshot reporter, so by a statement like
>>> "report 'my screenshot'" you can just take a screenshot and it will
>>> automatically take a screenshot if the test fails?
>>>
>>> See https://gebish.org/manual/current/#testing-reporting
>>> and also search
>>> the Book of Geb for "reporting" or "reporter". Just lately someone here
>>> in this group posted about how to write a custom reporter in order to
>>> use AShot for full page screenshot (if the page is bigger than the
>>> viewport or even bigger than the screen size).
>>>
>>> Now, having the basic information out of the way and assuming for a
>>> minute that the default screenshot reporter or even a custom reporter
>>> are inadequate for you (which I don't believe, BTW), here is how from
>>> your global Spock extension's RunListener you could in principle access
>>> browser and driver: First you need to get access to the specification
>>> instance, then check if it is really a Geb specification (because not
>>> every Spock spec is a Geb spec) and if so, you can use its methods in
>>> order to access browser and driver:
>>>
>>> ------------------------------------------------------------------------
>>>
>>> package de.scrum_master.testing.extension
>>>
>>> import geb.spock.GebSpec
>>> import org.spockframework.runtime.AbstractRunListener
>>> import org.spockframework.runtime.extension.AbstractGlobalExtension
>>> import org.spockframework.runtime.model.ErrorInfo
>>> import org.spockframework.runtime.model.IterationInfo
>>> import org.spockframework.runtime.model.SpecInfo
>>> /**
>>> * See https://stackoverflow.com/a/50679606/1082681
>>> */
>>> class TestResultExtension extends AbstractGlobalExtension {
>>> @Override
>>> void visitSpec(SpecInfo spec) {
>>> spec.addListener(new ErrorListener())
>>> }
>>>
>>> static class ErrorListener extends AbstractRunListener {
>>> ErrorInfo errorInfo
>>>
>>> @Override
>>> void beforeIteration(IterationInfo iteration) {
>>> errorInfo = null
>>> }
>>>
>>> @Override
>>> void error(ErrorInfo error) {
>>> errorInfo = error
>>> }
>>>
>>> @Override
>>> void afterIteration(IterationInfo iteration) {
>>> if (iteration.feature.spec instanceof GebSpec) {
>>> def driver = (iteration.feature.spec as GebSpec).driver
>>> driver.manage().window().maximize()
>>> takeScreenshot(driver)
>>> }
>>> }
>>>
>>> }
>>> }
>>>
>>> ------------------------------------------------------------------------
>>>
>>> BTW, you could also check if the spec is an instance of GebReportingSpec
>>> and directly use the reporting feature there. But really, what you
>>> probably want is just use the plain vanilla GebReportingSpec. Maybe,
>>> maybe you want to use a custom reporter in combination with that.
>>>
>>> Friendly regards
>>> --
>>> Alexander Kriegisch
>>> https://scrum-master.de
>>>
>>>
>>> GebUser schrieb am 22.12.2020 04:56 (GMT +07:00):
>>> > hi Marcin,
>>> > I am using a class test status tracker class that extends
>>> > AbstractGlobalExtension.
>>> >
>>> >
>>> > When an error occurs, I need to take a screenshot. Can you please tell
>>> how
>>> > I can access the browser driver here?
>>> >
>>> >
>>> > class TestResultExtension extends
>>> > AbstractGlobalExtension
>>> > {
>>> > @Override
>>> > void visitSpec(SpecInfo spec) {
>>> > spec.addListener(new ErrorListener())
>>> > }
>>> >
>>> > static class ErrorListener extends AbstractRunListener {
>>> > ErrorInfo errorInfo
>>> > # Browser browser
>>> >
>>> > @Override
>>> > void beforeIteration(IterationInfo iteration) {
>>> > errorInfo = null
>>> > }
>>> >
>>> >
>>> > void afterIteration(IterationInfo iteration){
>>> > if (errorInfo!=null){
>>> > driver.manage().window().maximize()
>>> >
>>> > takeScreenshot(driver)
>>> > }
>>> > }
>>
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>
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