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I want to be able to run Junit tests from the command line, but when I run this command

java -cp /usr/share/java/junit.jar org.junit.runner.JUnitCore [test class name]

All I get back is

OK (0 tests)

Does it have something to do with it being an Android project? I've run that command before and haven't had much issue.

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2 Answers 2

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9

I just managed to run JUnit tests from command line, but using an adb shell.

The command was 

./adb shell am instrument -w com.dddforandroid.api/android.test.InstrumentationTestRunner

More details here.

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3 Comments

This has ended up being my final solution. I just don't understand why the Junit runner wouldn't be able to pick it up. But whatever works I guess.
I suppose com.dddforandroid.api is your custom package here, with the tests?
But isnt that an instrumented test then? I mean the whole idea about unit tests is to not build a whole app, install it on a device and run it there. I understood intrumented tests do exactly this (opposite to unit tests). What am I missing?
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Template:

adb shell am instrument -w <YOUR_PACKGE_NAME>.test/android.support.test.runner.AndroidJUnitRunner

Example:

adb shell am instrument -w com.example.android.testing.blueprint.flavor2.test/android.support.test.runner.AndroidJUnitRunner

Details on Google's github page: Android Testing Blueprint

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