Hi Mirko,
I'm scared about the side effects if we start interfering with surefire.
Also the prepare-agent goal can be used for any other tool which
executes a jvm.
Cheers,
-marc
On 14.04.14 21:10, Mirko Friedenhagen wrote:
Hello Marc,
I could try to detect the surefire setting, though I have no clue
whether this is a trivial task. Documenting the behavior is a simple
"workaround".
Regards
Mirko
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On Apr 14, 2014 8:30 PM, "Marc R. Hoffmann"
<[email protected] <mailto:[email protected]>> wrote:
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]
<mailto:[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
<tel: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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