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doc: add example of using filter with cctest

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This commit adds examples of specifying filters when running cctest.
This can be useful when debugging and limiting the test cases run to
the test cases of interest and I think worth documenting.

PR-URL: https://github.com/nodejs/node/pull/21401
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
This commit is contained in:
Daniel Bevenius 2018-06-19 10:31:46 +02:00
parent 883e1cd21d
commit b56f65e28c
1 changed files with 10 additions and 0 deletions
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doc/guides/writing-tests.md
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@ -403,6 +403,16 @@ The test can be executed by running the `cctest` target:
$ make cctest
```
A filter can be applied to run single/multiple test cases:
```console
$ make cctest GTEST_FILTER=EnvironmentTest.AtExitWithArgument
```
`cctest` can also be run directly which can be useful when debugging:
```console
$ out/Release/cctest --gtest_filter=EnvironmentTest.AtExit*
```
### Node.js test fixture
There is a [test fixture][] named `node_test_fixture.h` which can be included by
unit tests. The fixture takes care of setting up the Node.js environment