使用 CMake，如何从 CTest 获得详细输出?

问题描述

我正在使用 CMake 来构建我的项目.我添加了一个使用 Boost 单元测试框架的单元测试二进制文件.这个二进制文件包含所有的单元测试.我已经添加了由 CTest 运行的二进制文件:

I'm using CMake to build my project. I have added a unit test binary which is using the Boost unit testing framework. This one binary contains all of the unit tests. I've added that binary to be run by CTest:

ADD_EXECUTABLE( tftest test-main.cpp )
ENABLE_TESTING()
ADD_TEST( UnitTests tftest)

但是 Visual Studio 中的构建输出只显示了运行 CTest 的结果:

But the build output in Visual Studio only shows the result of running CTest:

      Start 1: UnitTests
  1/1 Test #1: UnitTests ................***Failed    0.05 sec

  0% tests passed, 1 tests failed out of 1

这不是很有帮助，因为我看不到哪个测试失败了.如果我使用 --verbose 从命令行手动运行 ctest，我会从 Boost 单元测试中得到输出，它告诉我们实际失败的是什么:

This is not very helpful, because I can't see which test failed. If I run ctest manually from the command line with --verbose I get the output from a Boost unit test which tells what actually failed:

1: Test command: tftest.exe
1: Test timeout computed to be: 9.99988e+006
1: Running 4 test cases...
1: test-main.cpp(20): error in "sanity_check3": check 1 == 2 failed
1:
1: *** 1 failure detected in test suite "Master Test Suite"
1/1 Test #1: UnitTests ................***Failed    0.00 sec

那么，我需要在 CMakeLists.txt 中更改什么才能让 CTest 始终使用 --verbose 运行?有没有更好的方法在 CMake/CTest 中使用 Boost 单元测试?

So, what do I need to change in the CMakeLists.txt to have CTest run with --verbose at all times? Is there a better way to use Boost unit tests with CMake/CTest?

推荐答案

可以设置环境变量CTEST_OUTPUT_ON_FAILURE，它会在测试失败时显示测试程序的任何输出.使用 Makefile 和命令行时执行此操作的一种方法如下:

You can set the environment variable CTEST_OUTPUT_ON_FAILURE, which will show you any output from the test program whenever the test fails. One way to do this when using Makefiles and the command line would be as follows:

env CTEST_OUTPUT_ON_FAILURE=1 make check

这个Stack Overflow 问答 展示了如何在 Visual Studio 中设置环境变量.

This Stack Overflow question and answer shows how to set environment variables in Visual Studio.

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