使用 Google C++ 的最简单示例使用 CMake 测试框架

发布于 2024-11-05 07:19:25 字数 429 浏览 1 评论 0原文

我有一个非常简单的 C++ 库（一个头文件，一个 .cpp 文件）。我想使用 Google C++ 测试框架为此项目编写单元测试。

这是目录结构：

~/project1
 |
 |-- project1.cpp
 |-- project1.h
 |-- project1_unittests.cpp
 \-- CMakeLists.txt

我不打算编写自己的 main() 函数。我想与入门。 CMakeLists.txt 应该包含什么？

原文

I have a very simple C++ library (one header file, one .cpp file). I want to write unit tests for this project using the Google C++ Testing Framework.

Here is the directory structure:

~/project1
 |
 |-- project1.cpp
 |-- project1.h
 |-- project1_unittests.cpp
 \-- CMakeLists.txt

I do not plan to write my own main() function. I want to link with gtest_main as mentioned in the primer. What should CMakeLists.txt contain?

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夏末的微笑 2024-11-12 07:19:25

启用 CMake 的内置测试子系统：

# For make-based builds, defines make target named test.
# For Visual Studio builds, defines Visual Studio project named RUN_TESTS.
enable_testing()

编译将运行单元测试的可执行文件并将其与 gtest 和 gtest_main 链接：

add_executable(runUnitTests
    project1_unittests.cpp
)
target_link_libraries(runUnitTests gtest gtest_main)

添加运行此可执行文件的测试：

add_test(
    NAME runUnitTests
    COMMAND runUnitTests
)

Enable CMake's built-in testing subsystem:

# For make-based builds, defines make target named test.
# For Visual Studio builds, defines Visual Studio project named RUN_TESTS.
enable_testing()

Compile an executable that will run your unit tests and link it with gtest and gtest_main:

add_executable(runUnitTests
    project1_unittests.cpp
)
target_link_libraries(runUnitTests gtest gtest_main)

Add a test which runs this executable:

add_test(
    NAME runUnitTests
    COMMAND runUnitTests
)

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不美如何 2024-11-12 07:19:25

这是最简单的一个，

1.创建一个简单的源文件，

$ cat simplegtest.cpp 

#include<gtest/gtest.h>
TEST(Mytest, failing_test){
    EXPECT_TRUE(false);
}

2.使用以下命令编译它，

$ LDLIBS="-lgtest_main -lgtest" make simplegtest
g++     simplegtest.cpp  -lgtest_main -lgtest -o simplegtest

3.使用以下命令执行测试可执行文件，

$ ./simplegtest 
Running main() from /home/prashant/work/thirdparty/googletest-release-1.8.1/googletest/src/gtest_main.cc
[==========] Running 1 test from 1 test case.
[----------] Global test environment set-up.
[----------] 1 test from Mytest
[ RUN      ] Mytest.failing_test
simplegtest.cpp:4: Failure
Value of: false
  Actual: false
Expected: true
[  FAILED  ] Mytest.failing_test (0 ms)
[----------] 1 test from Mytest (0 ms total)

[----------] Global test environment tear-down
[==========] 1 test from 1 test case ran. (1 ms total)
[  PASSED  ] 0 tests.
[  FAILED  ] 1 test, listed below:
[  FAILED  ] Mytest.failing_test

 1 FAILED TEST

Here is a simplest one,

1.Create a simple source file,

$ cat simplegtest.cpp 

#include<gtest/gtest.h>
TEST(Mytest, failing_test){
    EXPECT_TRUE(false);
}

2.Compile it using below command,

$ LDLIBS="-lgtest_main -lgtest" make simplegtest
g++     simplegtest.cpp  -lgtest_main -lgtest -o simplegtest

3.Execute the test executable using below command,

$ ./simplegtest 
Running main() from /home/prashant/work/thirdparty/googletest-release-1.8.1/googletest/src/gtest_main.cc
[==========] Running 1 test from 1 test case.
[----------] Global test environment set-up.
[----------] 1 test from Mytest
[ RUN      ] Mytest.failing_test
simplegtest.cpp:4: Failure
Value of: false
  Actual: false
Expected: true
[  FAILED  ] Mytest.failing_test (0 ms)
[----------] 1 test from Mytest (0 ms total)

[----------] Global test environment tear-down
[==========] 1 test from 1 test case ran. (1 ms total)
[  PASSED  ] 0 tests.
[  FAILED  ] 1 test, listed below:
[  FAILED  ] Mytest.failing_test

 1 FAILED TEST

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