[jboss-user] [JBoss Tools] - JBoss Tools Tycho Build Code Coverage Report

[Denis Golovin]

Denis Golovin [http://community.jboss.org/people/dgolovin] modified the blog post:

"JBoss Tools Tycho Build Code Coverage Report"

To view the blog post, visit: http://community.jboss.org/community/jbosstools/blog/2010/07/07/jboss-tools-tycho-build-code-coverage-report

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JBoss Tools tycho build now provides code coverage report for eclipse-test-plugins. All eclipse-test-plugin pom.xml files provide meta information about what bundles are instrumented and what classes are included in coverage report through properties:
* emma.filter - emma filter to define what packages to include to or to exclude from report
* emma.instrument.bundles - comma separated list of bundles to be instrumented on the fly during tests execution

Here is an example from org.jboss.tools.common.test plug-ins

<properties>
     <emma.filter>org.jboss.tools.common*</emma.filter>
     <emma.instrument.bundles>org.jboss.tools.common</emma.instrument.bundles>
</properties>


To enable code coverage report generation during build

-Dcoverage


system property should be added to build command line. It activates maven coverage profile to generate coverage reports on per test plug-in basis in text and xml formats. Text reports are printed out to the build console output like

     [echo] [EMMA v2.0.5312 report, generated Wed Jul 07 12:11:50 PDT 2010]
     [echo] -------------------------------------------------------------------------------
     [echo] OVERALL COVERAGE SUMMARY:
     [echo] 
     [echo] [class, %]     [method, %]     [block, %]     [line, %]     [name]
     [echo] 61%  (22/36)!     28%  (93/328)!     17%  (1056/6326)!     20%  (308.2/1575)!     all classes
     [echo] 
     [echo] OVERALL STATS SUMMARY:
     [echo] 
     [echo] total packages:     8
     [echo] total classes:     36
     [echo] total methods:     328
     [echo] total executable files:     28
     [echo] total executable lines:     1575
     [echo] 
     [echo] COVERAGE BREAKDOWN BY PACKAGE:
     [echo] 
     [echo] [class, %]     [method, %]     [block, %]     [line, %]     [name]
     [echo] 0%   (0/1)!     0%   (0/7)!     0%   (0/78)!     0%   (0/16)!     org.jboss.tools.common.preferences
     [echo] 0%   (0/2)!     0%   (0/40)!     0%   (0/492)!     0%   (0/125)!     org.jboss.tools.common.text
     [echo] 17%  (1/6)!     4%   (3/77)!     4%   (92/2401)!     4%   (24.9/562)!     org.jboss.tools.common.util
     [echo] 67%  (4/6)!     35%  (11/31)!     19%  (77/396)!     23%  (23.2/102)!     org.jboss.tools.common.reporting
     [echo] 75%  (6/8)!     33%  (25/75)!     21%  (367/1734)!     24%  (99.2/419)!     org.jboss.tools.common.xml
     [echo] 75%  (3/4)!     48%  (11/23)!     24%  (135/562)!     32%  (44.1/139)!     org.jboss.tools.common
     [echo] 75%  (3/4)!     42%  (23/55)!     36%  (153/422)!     36%  (52.4/144)!     org.jboss.tools.common.log
     [echo] 100% (5/5)     100% (20/20)     96%  (232/241)     95%  (64.4/68)     org.jboss.tools.common.zip
     [echo] -------------------------------------------------------------------------------





Reports are generated to /target/emma folder of test plug-in.

To enable code coverage for your test plug-in just add properties listed above to your plug-in pom.xml file and activate coverage profile as it explained above.

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