Provided additional and better structured information in failure/error messages
-------------------------------------------------------------------------------
Key: WT-277
URL: http://webtest-community.canoo.com/jira/browse/WT-277
Project: WebTest
Type: New Feature
Versions: 2.1
Reporter: Marc Guillemot
Assigned to: Marc Guillemot
Currently the information provided in the html result file in case of
error/failure is badly presented and incomplete. This comes from the
information available in xml result file.
Basically this looks like.
<failure
message="/home/marc/EWorkspace/WebTestSVN/selftests/tests/configuration.xml:81:
Step[invoke
"invoking an unknown page will not work" (1/1)]: HTTP error 404, at:
invoke, Step: InvokePage at /hom
e/marc/EWorkspace/WebTestSVN/selftests/tests/configuration.xml:81: with
(resultFilename="response_11726780
40525_invoke.html", taskName="invoke")"/>
<error exception="com.canoo.webtest.engine.StepExecutionException" message="No
current response avai
lable! Is previous invoke missing?"><![CDATA[No current response avai
lable! Is previous invoke
missing?"><![CDATA[/home/marc/EWorkspace/WebTestSVN/selftests/tests/configuration.xml:
99: No current response available! Is previous invoke missing?, Step:
ClickButton at /home/marc/EWorkspace/WebTe
stSVN/selftests/tests/configuration.xml:99: with (taskName="clickButton")
at com.canoo.webtest.steps.Step.paramCheck(Step.java:410)
... the rest of the stack trace ---
---]]></error>
This has following problems:
- the important error message is lost within too much text (here "HTTP error
404")
- the location of the failing step can only be found lost within the message
- additional information can only be contained within the message and therefore
can't be properly presented and may cause problem when it contains invalid
characters (cf WT-164)
- the stacktrace is in most of the cases not interesting and just cumbersome
Following new structure would allow to fix these issues:
<failure message="..." location="...">
<detail name="..."><![CDATA[...]]></detail>
<detail name="..."><![CDATA[...]]></detail>
...
</failure>
and
<error exception="..." message="..." location="...">
<detail name="..."><![CDATA[...]]></detail>
<detail name="..."><![CDATA[...]]></detail>
...
<stacktrace><![CDATA[...]]></stacktrace>
</error>
where:
- message only the "main" message
- location contains the location of the failing step
- <detail name="...">...</detail> allow to provide "structured" details about
the failure/error like expected value, actual value and first diff in a text
verification or the available links in a clickLink
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