GildedRose-Refactoring-Kata/cpp/README.md

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# C++ version of Gilded Rose refactoring kata
## Introduction
The C++ version of the Gilded Rose refactoring kata is available in four variants using different test frameworks:
* Catch2 test framework
1. Traditional unit test with the [Catch2](https://github.com/catchorg/Catch2) test framework in the `test/cpp_catch2_unittest` folder.
2. [Approval tests](https://github.com/approvals/ApprovalTests.cpp) with the [Catch2](https://github.com/catchorg/Catch2) test framework in the `test/cpp_catch2_approvaltest` folder.
* Google Test framework
1. Traditional unit test with the [Googletest](https://github.com/google/googletest) test framework in the `test/cpp_googletest_unittest` folder.
2. [Approval tests](https://github.com/approvals/ApprovalTests.cpp) with the [Googletest](https://github.com/google/googletest) test framework in the `test/cpp_googletest_approvaltest` folder.
The `GildedRose.cc` file, i.e. the code under test, is identical in all four variants.
## Prerequisites
* CMake version >= 3.13
* C++ compiler that support C++11
## How to build and run tests in a terminal
### Build tests
$ cd ${GIT_FOLDER}/GildedRose-Refactoring-Kata/cpp
$ mkdir build
$ cd build
$ cmake ..
$ cmake --build .
### Show available tests
$ cd ${GIT_FOLDER}/GildedRose-Refactoring-Kata/cpp/build
$ ctest -N
Test project ${GIT_FOLDER}/GildedRose-Refactoring-Kata/cpp/build
Test #1: GildedRoseCatch2ApprovalTests
Test #2: GildedRoseCatch2UnitTests
Test #3: GildedRoseGoogletestApprovalTests
Test #4: GildedRoseGoogletestUnitTests
### Run all tests
$ ctest
### Run all tests with verbose output
$ ctest -VV
### Run a specific test with verbose output
$ ctest -VV --tests-regex Catch2Approval
## How to build and run tests using the [CLion IDE](https://www.jetbrains.com/clion/)
1. Start CLion
2. Select menu `File - Open...`
3. Select folder `${GIT_FOLDER}/GildedRose-Refactoring-Kata/cpp`
4. Select menu `Build - Build Project`
4. Select menu `Run - Run...`
4. Select what test variant to run, e.g. `GildedRoseCatch2ApprovalTests`.
## How to build and run tests using Visual Studio 2019
1. Start Visual Studio 2019
2. Select `Open a local folder`
3. Select folder `${GIT_FOLDER}/GildedRose-Refactoring-Kata/cpp`
4. Wait for message `CMake generation finished.` in the CMake output window at the bottom
5. Select what test variant to run in the drop down menu for Startup Items, e.g. `GildedRoseCatch2ApprovalTests.exe`.
6. Select menu `Debug - Start`