Maven skip tests

Question

I am using Maven 2 2 1 and to build my project I used this command  mvn clean install -Dmaven test skip true   However  the build failed saying it couldn t find one of the artifact  However  when I used   mvn clean install -DskipTests   everything worked fine    So far I have been thinking that these 2 commands are equivalent  However  this link seems to suggest that -Dmaven test skip true also skips compiling the test cases   However  that still didn t explain to me why one command is working and another is not  Will be thankful if anyone please explain this to me

User · Answer

To skip the test case during maven clean install i used -DskipTests paramater in following command  mvn clean install -DskipTests   into terminal window

User · Answer

There is a difference between each parameter   The -DskipTests skip running tests phase  it means at the end of this process you will have your tests compiled   The -Dmaven test skip true skip compiling and running tests phase    As the parameter -Dmaven test skip true skip compiling you don t have the tests artifact  For more information just read the surfire documentation  http   maven apache org plugins-archives maven-surefire-plugin-2 12 4 examples skipping-test html

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I can give you an example which results with the same problem  but it may not give you an answer to your question   Additionally  in this example  I m using my Maven 3 knowledge  which may not apply for Maven 2    In a multi-module maven project  contains modules A and B  where B depends on A   you can add also a test dependency on A from B   This dependency may look as follows    lt dependency gt        lt groupId gt com foo lt  groupId gt        lt artifactId gt A lt  artifactId gt        lt type gt test-jar lt  type gt   lt  -- I m not sure if there is such a thing in Maven 2  but there is definitely a way to achieve such dependency in Maven 2  -- gt        lt scope gt test lt  scope gt   lt  dependency gt     for more information refer to https   maven apache org guides mini guide-attached-tests html  Note that the project A produces secondary artifact with a classifier tests where the test classes and test resources are located   If you build your project with -Dmaven test skip true  you will get a dependency resolution error as long as the test artifact wasn t found in your local repo or external repositories  The reason is that the tests classes were neither compiled nor the tests artifact was produced  However  if you run your build with -DskipTests your tests artifact will be produced  though the tests won t run  and the dependency will be resolved

User · Answer

I had some inter-dependency with the tests in order to build the package   The following command manage to override the need for the test artifact in order to complete the goal   mvn -DskipTests true  package

User · Answer

As you noted  -Dmaven test skip true skips compiling the tests  More to the point  it skips building the test artifacts  A common practice for large projects is to have testing utilities and base classes shared among modules in the same project   This is accomplished by having a module require a test-jar of a previously built module    lt dependency gt     lt groupId gt org myproject mygroup lt  groupId gt     lt artifactId gt common lt  artifactId gt     lt version gt 1 0 lt  version gt     lt type gt test-jar lt  type gt     lt scope gt test lt  scope gt   lt  dependency gt    If -Dmaven test skip true  or simply -Dmaven test skip  is specified  the test-jars aren t built  and any module that relies on them will fail its build   In contrast  when you use -DskipTests  Maven does not run the tests  but it does compile them and build the test-jar  making it available for the subsequent modules

User · Answer

I have another approach for Intellij users  and it is working very fine for me   Click on the  quot Skip Test quot  button    Hold the  quot CTRL quot  button Select  quot clean quot  and  quot install quot     Click on the  quot Run quot  button in the maven pannel

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The parameter -DskipTests may not work depending on your surefire-plugin version      You can use  -Dmaven test skip exec  instead of  -DskipTests    Source  Surefire Parameter Details

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During maven compilation you can skip test execution by adding following plugin in pom xml   lt plugin gt       lt groupId gt org apache maven plugins lt  groupId gt       lt artifactId gt maven-surefire-plugin lt  artifactId gt       lt version gt 2 20 1 lt  version gt       lt configuration gt            lt skipTests gt true lt  skipTests gt       lt  configuration gt   lt  plugin gt

[maven] Maven skip tests

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