如何使用scons运行gtest

时间：2013-05-03 19:01:35

标签： c++ linux scons googletest

我有一个gtest的预编译版本（我知道Google建议反对它，但这就是我们的项目将如何使用它），我想编写一个非常简单的测试并使用scons构建它。假设我有一个名为test.cpp的超级简单测试，并且在/ opt / gtest中安装了gtest。我使用Scons并不是那么好，并且想知道我的SConstruct应该是什么样子。

//test.cpp
#include "gtest/gtest.h"

TEST(MyTest, Test) {
   ASSERT_TRUE(true);
}

int main(int argc, char** argv) {
 ::testing::InitGoogleTest(&argc, argv);
  return RUN_ALL_TESTS();
}

我当前的SConstruct看起来像这样（但不起作用）

env = Environment()

LIBS =''

common_libs = ['pthread', 'gtest']
env.Append( LIBS = common_libs )

Program('test.cpp', LIBS, LIBPATH='/opt/gtest/lib')

当我运行scons时，我收到以下消息

scons: Reading SConscript files ...
IndexError: list index out of range:
  File "/home/user/testing/SConstruct", line 8:
    Program('test.cpp', LIBS, LIBPATH='/opt/gtest/lib')
  File "/usr/lib/scons/SCons/Script/SConscript.py", line 614:
    return method(*args, **kw)
  File "/usr/lib/scons/SCons/Environment.py", line 258:
    return MethodWrapper.__call__(self, target, source, *args, **kw)
  File "/usr/lib/scons/SCons/Environment.py", line 222:
    return self.method(*nargs, **kwargs)
  File "/usr/lib/scons/SCons/Builder.py", line 632:
    return self._execute(env, target, source, OverrideWarner(kw), ekw)
  File "/usr/lib/scons/SCons/Builder.py", line 540:
    source = self.src_builder_sources(env, source, overwarn)
  File "/usr/lib/scons/SCons/Builder.py", line 736:
    s = self._adjustixes(s, None, src_suf)[0]

谢谢！

修改 的

更改后

Program('test.cpp', LIBS, LIBPATH='/opt/gtest/lib')

到

Program('test', 'test.cpp', LIBS, LIBPATH='/opt/gtest/lib')

我收到以下错误

scons: Reading SConscript files ...
scons: done reading SConscript files.
scons: Building targets ...
g++ -o test test.o -L/opt/gtest/lib
test.o: In function `MyTest_Test_Test::TestBody()':
test.cpp:(.text+0x5f): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
test.cpp:(.text+0x8c): undefined reference to `testing::internal::AssertHelper::AssertHelper(testing::TestPartResult::Type, char const*, int, char const*)'
test.cpp:(.text+0x9f): undefined reference to `testing::internal::AssertHelper::operator=(testing::Message const&) const'
test.cpp:(.text+0xb2): undefined reference to `testing::internal::AssertHelper::~AssertHelper()'
test.cpp:(.text+0xc6): undefined reference to `testing::internal::AssertHelper::~AssertHelper()'
test.o: In function `main':
test.cpp:(.text+0x16a): undefined reference to `testing::InitGoogleTest(int*, char**)'
test.cpp:(.text+0x16f): undefined reference to `testing::UnitTest::GetInstance()'
test.cpp:(.text+0x177): undefined reference to `testing::UnitTest::Run()'
test.o: In function `__static_initialization_and_destruction_0(int, int)':
test.cpp:(.text+0x1df): undefined reference to `testing::internal::GetTestTypeId()'
test.cpp:(.text+0x20e): undefined reference to `testing::internal::MakeAndRegisterTestInfo(char const*, char const*, char const*, char const*, void const*, void (*)(), void (*)(), testing::internal::TestFactoryBase*)'
test.o: In function `MyTest_Test_Test::MyTest_Test_Test()':
test.cpp:(.text._ZN16MyTest_Test_TestC2Ev[_ZN16MyTest_Test_TestC5Ev]+0x14): undefined reference to `testing::Test::Test()'
test.o: In function `testing::internal::scoped_ptr<std::basic_string<char, std::char_traits<char>, std::allocator<char> > >::reset(std::basic_string<char, std::char_traits<char>, std::allocator<char> >*)':
test.cpp:(.text._ZN7testing8internal10scoped_ptrISsE5resetEPSs[testing::internal::scoped_ptr<std::basic_string<char, std::char_traits<char>, std::allocator<char> > >::reset(std::basic_string<char, std::char_traits<char>, std::allocator<char> >*)]+0x24): undefined reference to `testing::internal::IsTrue(bool)'
test.o: In function `testing::internal::scoped_ptr<std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> > >::reset(std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >*)':
test.cpp:(.text._ZN7testing8internal10scoped_ptrISt18basic_stringstreamIcSt11char_traitsIcESaIcEEE5resetEPS6_[testing::internal::scoped_ptr<std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> > >::reset(std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >*)]+0x23): undefined reference to `testing::internal::IsTrue(bool)'
test.o:(.rodata._ZTV16MyTest_Test_Test[vtable for MyTest_Test_Test]+0x20): undefined reference to `testing::Test::SetUp()'
test.o:(.rodata._ZTV16MyTest_Test_Test[vtable for MyTest_Test_Test]+0x28): undefined reference to `testing::Test::TearDown()'
test.o:(.rodata._ZTI16MyTest_Test_Test[typeinfo for MyTest_Test_Test]+0x10): undefined reference to `typeinfo for testing::Test'
test.o: In function `MyTest_Test_Test::~MyTest_Test_Test()':
test.cpp:(.text._ZN16MyTest_Test_TestD2Ev[_ZN16MyTest_Test_TestD5Ev]+0x1f): undefined reference to `testing::Test::~Test()'
collect2: ld returned 1 exit status
scons: *** [test] Error 1
scons: building terminated because of errors.

3 个答案:

答案 0 :(得分：2)

请更改行：

Program('test.cpp', LIBS, LIBPATH='/opt/gtest/lib')

到

Program('test', 'test.cpp', LIBS, LIBPATH='/opt/gtest/lib')

您将获得名为test的二进制文件。

答案 1 :(得分：1)

示例代码

假设我有这个C ++代码：

#include "sample1.h"

// Returns n! (the factorial of n).  For negative n, n! is defined to be 1.
int Factorial(int n) {
    int result = 1;
    for (int i = 1; i <= n; i++) {
        result *= i;
    }

    return result;
}

标题文件simple1.h是：

#ifndef GTEST_SAMPLES_SAMPLE1_H_
#define GTEST_SAMPLES_SAMPLE1_H_

// Returns n! (the factorial of n).  For negative n, n! is defined to be 1.
int Factorial(int n);

#endif  // GTEST_SAMPLES_SAMPLE1_H_

测试代码

测试代码如下：

#include <limits.h>
#include "sample1.h"
#include "gtest/gtest.h"

TEST(FactorialTest, Negative) {
    // This test is named "Negative", and belongs to the "FactorialTest"
    // test case.
    EXPECT_EQ(1, Factorial(0));
    EXPECT_EQ(2, Factorial(2));
    EXPECT_GT(Factorial(-10), 0);
}

Google测试库和头文件。

我复制了/usr/gtest/include中的所有头文件，我还复制了libgtest_main.a目录中的两个库文件libgtest.a和/usr/gtest。我不需要测试主文件，因为我将使用libgtest_main.a。

儿子配置文件。

这是文件：

env = Environment(CPPPATH=['/usr/gtest/include'])
common_libs = ['gtest_main', 'gtest']
env.Append( LIBS = common_libs )

env.Program(source=['sample1.cpp', 'test_sample1.cpp'], LIBPATH=['/usr/gtest'])

运行儿子scons -Q获取：

g++ -o sample1.o -c -I/Users/smcho/Dropbox/smcho/bin/lib/gtest/include sample1.cpp
g++ -o test_sample1.o -c -I/Users/smcho/Dropbox/smcho/bin/lib/gtest/include test_sample1.cpp
g++ -o sample1 sample1.o test_sample1.o -L/Users/smcho/Dropbox/smcho/bin/lib/gtest -lgtest_main -lgtest

运行sample1获取：

Running main() from gtest_main.cc
[==========] Running 1 test from 1 test case.
[----------] Global test environment set-up.
[----------] 1 test from FactorialTest
[ RUN      ] FactorialTest.Negative
[       OK ] FactorialTest.Negative (0 ms)
[----------] 1 test from FactorialTest (0 ms total)

[----------] Global test environment tear-down
[==========] 1 test from 1 test case ran. (0 ms total)
[  PASSED  ] 1 test.

答案 2 :(得分：1)

进行bikram990建议的修正后。还要确保更改库的顺序。 gtest图书馆应该是第一位的; see this comment！来自相关的帖子。

这一行：

common_libs = ['pthread', 'gtest']

应该是：

common_libs = ['gtest', 'pthread']

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