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Update development doc on how to generate code coverage reports.

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Jeff Grafton 2015-02-19 18:40:28 -08:00
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docs/devel/development.md
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@ -133,11 +133,28 @@ ok github.com/GoogleCloudPlatform/kubernetes/pkg/kubelet 0.317s
```
## Coverage
Currently, collecting coverage is only supported for the Go unit tests.
To run all unit tests and generate an HTML coverage report, run the following:
```
cd kubernetes
godep go tool cover -html=target/c.out
KUBE_COVER=y hack/test-go.sh
```
At the end of the run, an the HTML report will be generated with the path printed to stdout.
To run tests and collect coverage in only one package, pass its relative path under the `kubernetes` directory as an argument, for example:
```
cd kubernetes
KUBE_COVER=y hack/test-go.sh pkg/kubectl
```
Multiple arguments can be passed, in which case the coverage results will be combined for all tests run.
Coverage results for the project can also be viewed on [Coveralls](https://coveralls.io/r/GoogleCloudPlatform/kubernetes), and are continuously updated as commits are merged. Additionally, all pull requests which spawn a Travis build will report unit test coverage results to Coveralls.
## Integration tests
You need an [etcd](https://github.com/coreos/etcd/releases/tag/v2.0.0) in your path, please make sure it is installed and in your ``$PATH``.