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Update testing instructions per abarths' feedback

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Eric Seidel 2015-12-08 14:09:47 -08:00
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CONTRIBUTING.md
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@ -78,12 +78,21 @@ Running the tests
To automatically find all files named `_test.dart` inside a package and run them inside the flutter shell as a test use the `flutter test` command, e.g:
* `cd packages/newton`
* `cd examples/stocks`
* `flutter test`
Individual tests can also be run directly, e.g. `flutter test lib/my_app_test.dart`
Flutter tests use [package:flutter_test](https://github.com/flutter/flutter/tree/master/packages/flutter_test) which provides flutter-specific extensions on top of [package:test](https://pub.dartlang.org/packages/test).
`flutter test --flutter-repo` is a shortcut for those working on the flutter package itself which finds and runs all tests inside the flutter repository regardless of the current working directory.
`flutter test` runs tests inside the flutter shell. Some packages inside the flutter repository can be run inside the dart command line VM as well as the flutter shell, `packages/newton` and `packages/flutter_tools` are two such examples:
* `cd packages/newton`
* `pub run test`
`flutter test --flutter-repo` is a shortcut for those working on the flutter repository itself which finds and runs all tests inside the flutter repository regardless of the current working directory.
If you've built [your own flutter engine](#working-on-the-engine-and-the-framework-at-the-same-time), you can pass `--engine-src-path` to change what flutter shell `flutter test` uses.
Note: Flutter tests are headless, you won't see any UI. You can use
`print` to generate console output or you can interact with the DartVM