Read paramenters from maven cli in tests

[gerrald...@gmail.com]

Hi all,

 

Could somebody help me understand how can I read and use in tests values that are specified in maven cli when starting tests?

 

I'm using

- scalatest_2.10

- scalatest-maven-plugin 1.0-M4-SNAPSHOT

 

I run tests with the command:

 

mvn clean test-compile scalatest:test -Dsuites=com.gr.MySuite

 

I need to be able to specify the env to run the tests against. Something like:

 

mvn clean  test-compile scalatest:test -Dsuites=com.gr.MySuite -Denv=QA

 

When I try to do that and then in the test get this with System.getProperty("env") I get null instead of the value

 

 

What am I missing here?

 

I've tried to search the group topic but for no results. Sorry if this question is something that is already answered - I'm new to Scalatest and to google groups

 

Thanks!

 

GerraldG

[Bill Venners]

Hi Gerrald,

I am not sure why your system properties are not showing up. That I think may be a maven question, so you could possibly ask on a Maven-oriented list. But what I'd suggest using instead, though, is ScalaTest's config map properties. Our documentation for the ScalaTest Maven plugin is here:

http://scalatest.org/user_guide/using_the_scalatest_maven_plugin

It says:

config  Comma separated list of configuration parameters to pass to ScalaTest. The parameters must be of the format <key>=<value>: e.g., foo=bar,monkey=donkey


This means to insert something like this in your XML:

<config>env=QA</config>

You can then grab this from the config map in various ways. The configMap is passed to run, runNestedSuites, runTests, runTest, and withFixture, so you can override one of those to grab the config map itself. Then use its API to grab the env, described here:

http://doc.scalatest.org/2.1.3/index.html#org.scalatest.ConfigMap

We are currently trying this ourselves, just to verify we have the syntax correct, and I'll update the documentation with a better example once we have it. If I discover anything different from what I said here I'll post again. Let me know if you have any trouble.

Thanks.

Bill

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[gerrald...@gmail.com]

Hey Bill,

 

Looks like system properties cannot be reached within ScalaTest unless they're passed to scalatest-maven-plugin in some way. 

Yes, using ConfigMap solves this but with some additional steps in pom.xml:

 

1. I've defined property in pom.xml like

 <properties><environment>QA</environment><properties>

 

2. I've told plugin to use that in ConfigMap:

<config>env=${environment}</config>

 

3. In the test code I'm using BeforeAndAfterAllConfigMap:

 

  override def beforeAll(conf:ConfigMap) {

    val en = conf.get("env").get

  }

 

Now if I run the tests with
mvn clean  test-compile scalatest:test -Dsuites=com.gr.MySuite -Denvironment=DEV

 

The flag is passed to config map and can be used in code. Thus, I'm able to dynamically tell which env to run tests against ( particularly in Jenkins job) - by default we're targeting QA.

 

Thanks for hint!

 

Best regards,

GerraldG

 

 

[Bill Venners]

Hi Gerrald,

You're welcome. Glad to hear it worked for you.

Bill

 

Best regards,

GerraldG

 

 

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