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Add Bazel support to the documentation

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Martin Hořeňovský 2022-10-21 10:46:56 +02:00
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docs/Readme.md
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@ -29,7 +29,7 @@ Once you're up and running consider the following reference material.
* [Frequently Asked Questions (FAQ)](faq.md#top)
* [Best practices and other tips](usage-tips.md#top)
* [CMake integration](cmake-integration.md#top)
* [CI and other miscellaneous pieces](ci-and-misc.md#top)
* [Tooling integration (CI, test runners, other)](ci-and-misc.md#top)
* [Known limitations](limitations.md#top)
**Other:**

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docs/ci-and-misc.md
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@ -1,8 +1,15 @@
<a id="top"></a>
# CI and other odd pieces
# Tooling integration (CI, test runners and so on)
**Contents**<br>
[Continuous Integration systems](#continuous-integration-systems)<br>
[Bazel test runner integration](#bazel-test-runner-integration)<br>
[Low-level tools](#low-level-tools)<br>
[CMake](#cmake)<br>
This page talks about Catch2's integration with other related tooling,
like Continuous Integration and 3rd party test runners.
This page talks about how Catch integrates with Continuous Integration
Build Systems may refer to low-level tools, like CMake, or larger systems that run on servers, like Jenkins or TeamCity. This page will talk about both.
## Continuous Integration systems
@ -51,6 +58,26 @@ Because of the incremental nature of Catch's test suites and ability to run spec
[SonarQube Generic Test Data](https://docs.sonarqube.org/latest/analysis/generic-test/) XML format for tests metrics.
## Bazel test runner integration
Catch2 understands some of the environment variables Bazel uses to control
test execution. Specifically it understands
* JUnit output path via `XML_OUTPUT_FILE`
* Test filtering via `TESTBRIDGE_TEST_ONLY`
* Test sharding via `TEST_SHARD_INDEX`, `TEST_TOTAL_SHARDS`, and `TEST_SHARD_STATUS_FILE`
> Support for `XML_OUTPUT_FILE` was [introduced](https://github.com/catchorg/Catch2/pull/2399) in Catch2 3.0.1
> Support for `TESTBRIDGE_TEST_ONLY` and sharding was introduced in Catch2 X.Y.Z
This integration is enabled via either a [compile time configuration
option](configuration.md#bazel-support), or via `BAZEL_TEST` environment
variable set to "1".
> Support for `BAZEL_TEST` was [introduced](https://github.com/catchorg/Catch2/pull/2459) in Catch2 3.1.0
## Low-level tools
### CodeCoverage module (GCOV, LCOV...)

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docs/configuration.md
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@ -98,13 +98,19 @@ is equivalent with the out-of-the-box experience.
## Bazel support
When `CATCH_CONFIG_BAZEL_SUPPORT` is defined or when `BAZEL_TEST=1` (which is set by the Bazel inside of a test environment),
Catch2 will register a `JUnit` reporter writing to a path pointed by `XML_OUTPUT_FILE` provided by Bazel.
Compiling Catch2 with `CATCH_CONFIG_BAZEL_SUPPORT` force-enables Catch2's
support for Bazel's environment variables (normally Catch2 looks for
`BAZEL_TEST=1` env var first).
This can be useful if you are using older versions of Bazel, that do not
yet have `BAZEL_TEST` env var support.
> `CATCH_CONFIG_BAZEL_SUPPORT` was [introduced](https://github.com/catchorg/Catch2/pull/2399) in Catch2 3.0.1.
> `CATCH_CONFIG_BAZEL_SUPPORT` was [deprecated](https://github.com/catchorg/Catch2/pull/2459) in Catch2 3.1.0.
## C++11 toggles
CATCH_CONFIG_CPP11_TO_STRING // Use `std::to_string`