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Added "How to test changes in PR" section to documentation
Also linked it from PR template. Closes #936
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.github/pull_request_template.md
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.github/pull_request_template.md
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@ -2,6 +2,9 @@
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Please do not submit pull requests changing the `version.hpp`
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or the single-include `catch.hpp` file, these are changed
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only when a new release is made.
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Before submitting a PR you should probably read the contributor documentation
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at docs/contributing.md. It will tell you how to properly test your changes.
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-->
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@ -18,8 +18,8 @@ Ongoing development is currently on _master_. At some point an integration branc
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_Users_ of Catch primarily use the single header version. _Maintainers_ should work with the full source (which is still,
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primarily, in headers). This can be found in the `include` folder. There are a set of test files, currently under
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`projects/SelfTest`. The test app can be built via CMake from the `CMakeLists.txt` file in the root, or you can generate
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project files for Visual Studio, XCode, and others (instructions in the `projects` folder). If you have access to CLion
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that can work with the CMake file directly.
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project files for Visual Studio, XCode, and others (instructions in the `projects` folder). If you have access to CLion,
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it can work with the CMake file directly.
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As well as the runtime test files you'll also see a `SurrogateCpps` directory under `projects/SelfTest`.
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This contains a set of .cpp files that each `#include` a single header.
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@ -34,6 +34,25 @@ __When submitting a pull request please do not include changes to the single inc
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as these are managed by the scripts!__
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## Testing your changes
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Obviously all changes to Catch's code should be tested. If you added new functionality, you should add tests covering and
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showcasing it. Even if you have only made changes to Catch internals (ie you implemented some performance improvements),
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you should still test your changes.
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This means 3 things
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* Compiling Catch's SelfTest project -- code that does not compile is evidently incorrect. Obviously, you are not expected to
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have access to all compilers and platforms Catch supports, Catch's CI pipeline will compile your code using supported compilers
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once you open a PR.
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* Running the SelfTest binary. There should be no unexpected failures on simple run.
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* Running Catch's approval tests. Approval tests compare current output of the SelfTest binary in various configurations against
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known good output. Catch's repository provides utility scripts `approvalTests.py` to help you with this. It needs to be passed
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the SelfTest binary compiled with your changes, like so: `$ ./scripts/approvalTests.py clang-build/SelfTest`. The output should
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be fairly self-explanatory.
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*this document is still in-progress...*
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---
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