Hi,
thanks for this report! In fact the JaCoCo agent can only be installed
to a forked jvm. If now JaCoCo agent is installed no execution data is
recorded and written to the *.exec file.
Not sure how we can "fix" this in JaCoCo beside adding documentation to
the prepare-agent goal? JaCoCo does not control the surefire plugin.
BTW, in Ant the "coverage" task wraps the junit task and explicitely
checks for the correct fork settings.
Best regards,
-marc
On 14.04.14 20:22, [email protected] wrote:
Precautionary note: I found that "forkMode" parameter is deprecated as of
maven-surefire-plugin:2.14. Meaning: I am aware that this property should not be used in
current versions. I have still posted this for projects that might be on older versions
of the plugin.
When the maven-surefire-plugin has been configured with forkMode=never, the "prepare-agent" never
generates the ${destFile}. Note that the default value for "forkMode" is "once". I am
expecting the agent would be able to attach to the running tests, but that is still uncertain to me.
Should I expect that exec files are generated with forkMode=never?
Thanks, and keep up the great work!
Steps to reproduce
--------------
I am uncertain whether this is indeed expected behavior, so I have not filed a
GitHub issue, or investigated a fix at this time. What I do have are steps to
reproduce.
Steps to reproduce:
1. Checkout source code referenced at this [blog post] (although any project
that generates a report could be used to demonstrate).
svn co
https://designbycontract.googlecode.com/svn/trunk/examples/testing/test-doubles
2. Run "mvn clean package -DforkMode=never"
3. Verify reporter fails because it finds no *.exec files.
4. Verify no *.exec files are generated in ${destFile} location.
Verified configurations:
* jacoco-maven-plugin: 0.5.5.201112152213, 0.7.0.201403182114
* Windows 7
* Maven 2.2.1, 3.1.1
* maven-Surefire-plugin 2.4.3, 2.13
References:
[blog post]:
http://www.agile-engineering.net/2012/01/unit-test-code-coverage.html
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