C 语⾔单元测试框架——CUnit 安装（windows 和Linux ）及使⽤
⽬录
昨天把软件测试基础基本上看完了，因为我最近⼯作问题，需要着重研究下Cunit这个单元测试框架，上午把之前学的基础整理出来了。 刚刚研究了下Cunit除了基本 (Basic)接⼝，还有三个接⼝没使⽤过，我也会经量都尝试下。
下个星期我的任务是写⼀个墨⽔屏的驱动，测试的学习估摸着会⽐较慢了，不会像前⾯⼀天⼀篇道两篇的笔记记录，咱尽量嗷。CUnit
上⾯纯属瞎扯淡嗷，接下来本来也想着cv⼀些简介什么的，想了想算了，⼏乎每篇⽂章都有，咱直接附上⼀个具有代表性的⼀个⾃⼰看吧。看过这篇⽂章的应该也看过了，这篇⽂章整理汇总了下。
CUnit Windows 安装
CUnit Linux(Ubuntu) 安装
软件源中与CUnit相关的包有：使⽤apt-get install安装即可。
安装步骤
cunit安装成功后会⽣成4个⽂件夹：doc、include、lib、share。cunit 在windows 下安装：https ://blog .csdn /godmaycry /article /details /77480549 (已验证可⽤)https ://cloud .tencent /developer /article /1648952 ⽂章中提到以下问题 （但我没遇到错误，以及提到了使⽤VS  Code IDE ）安装完毕把C :\mingw -w64\x86_64-8.1.0-posix -seh -rt_v6-rev0\mingw64\msys\mingw\lib\libcunit .a 拷贝到C :\mingw -w64\x86_64-8.1.0-posix -seh -rt_v6-rev0\mingw64\lib 。（不拷贝在下⾯gcc 或者clang 运⾏中，加⼊-lcunit 参数会提⽰..lib : can’t find -lcunit 的错误）接下来把C :\mingw -w64\x86_64-8.1.0-posix -seh -rt_v6-rev0\mingw64\msys\mingw\include\CUnit\⽬录中的所有.h ⽂件拷贝到C :\mingw -w64\x86_64-8.1.0-posix -seh -rt_v6-rev0\mingw64\include 中去。注意：编译的时候需要连接cunit
⽰例：gcc -o test test .c -lcunit
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linux系统安装步骤csdn9
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12libcunit1 libcunit1-dev libcunit1-doc libcunit1-ncurses libcunit1-ncurses-dev
1tar -jxvf CUnit-2.1-3.tar.bz2cd CUnit-2.1-3libtoolize -f -c -i aclocal autoconf autoheader automake chmod u+x configure ./configure –prefix=/opt/cunit make make install
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doc⽬录是⼀些简介以及使⽤说明。include和lib⽬录中是我们需要的头⽂件以及库⽂件。
share⽬录中有Automated模式下需要的⽂件。
⼀键把cunit 测试结果(Basic)和gcov 覆盖率结果合并
gcov
python 代码
main.py
bat 代码
cunit 测试代码（拿官⽅历程改了下）gcc -fprofile -arcs -ftest -coverage -o test test .c    编译⽣成可执⾏⽂件(test )和.gcno ⽂件执⾏可执⾏⽂件./test ⽣成⽂件gcda
gcov test .c ⽣成gcov ⽂件，该⽂件有代码覆盖率和每⾏代码执⾏次数
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3print ("Hello World %d " % 2)flist = ['','']ofile = open ('','w')for  fr in  flist :    for  txt in  open (fr , 'r'):        print (txt )        ofile .write (txt )ofile .close ()
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8gcc -fprofile -arcs -ftest -coverage -o test _4_book .c -lcunit test .exe => gcov _4_book .c => ren _4_book .c . main .py
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7/* *  Simple example of a CUnit unit test. * *  This program (crudely) demonstrates a very simple "black box" *  test of the standard library functions fprintf() and fread(). *  It uses suite initialization and cleanup functions to open  *  and close a common temporary file used by the test functions. *  The test functions then write to and read from the temporary  *  file in the course of testing the library functions. * *  The 2 test functions are added to a single CUnit suite, and  *  then run using the CUnit Basic interface.  The output of the  *  program (on CUnit version 2.0-2) is: * *          CUnit : A Unit testing framework for C. *          cunit.sourceforge/ * *      Suite: Suite_1 *        Test: test of fprintf() ... passed  *        Test: test of fread() ... passed  * *      --Run Summary: Type      Total    Ran  Passed  Failed  *                      suites        1      1    n/a      0 *                      tests        2      2      2      0 *                      asserts      5      5      5      0 *//* 根据书上程序流图编写 */
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/* 根据书上程序流图编写 */#include <stdio .h >#include <string .h >#include "CUnit/Basic.h"/* Pointer
to the file used by the tests. */static  FILE  *temp_file = NULL ;/* The suite initialization function. * Opens the temporary file used by the tests. * Returns zero on success, non-zero otherwise. *//* 第⼀步 套件初始化 编写init 套件*/int init_suite1(void ){  if  (NULL  == (temp_file = fopen ("", "w+")))  {      return  -1;  }  else    {      return  0;  }}/* The suite cleanup function. * Closes the temporary file used by the tests. * Returns zero on success, non-zero otherwise. *//* 第⼀步 套件初始化 编写clean 套件*/int clean_suite1(void ){  if  (0 != fclose (temp_file ))  {      return  -1;  }  else    {      temp_file = NULL ;      return  0;  }}/* Simple test of fprintf(). * Writes test data to the temporary file and checks  * whether the expected number of bytes were written. */void  testFPRINTF (void ){  int i1 = 10;  if  (NULL  != temp_file )  {      CU_ASSERT (0 == fprintf (temp_file , ""));      CU_ASSERT (2 == fprintf (temp_file , "Q\n"));      CU_ASSERT (7 == fprintf (temp_file , "i1 = %d", i1));  }}/* Simple test of fread(). * Reads the data previously written by testFPRINTF() * and checks whether the expected characters are present. * Must be run after testFPRINTF(). */void  testFREAD (void ){  unsigned char buffer [20];
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if  (NULL  != temp_file )  {      rewind (temp_file );      CU_ASSERT (9 == fread (buffer , sizeof (unsigned char ), 20, temp_file ));      CU_ASSERT (0 == strncmp (buffer , "Q\ni1 = 10", 9));  }}float bookExample (float x ,float y ,float z ){  if  ((y >1) && (z ==0))  {      x = x /y ;  }  if  ((y ==2) || (x >1))  {      x = x +1;  }      return  x ;}void  testBookExample (void ){  //满⾜判定覆盖标准的测试⽤例  CU_ASSE
RT (2 == bookExample (1,2,1))  CU_ASSERT (1 == bookExample (3,3,0))  //满⾜条件覆盖标准的测试⽤例  CU_ASSERT (1.5 == bookExample (1,2,0))  CU_ASSERT (3 == bookExample (2,1,1))  //满⾜判定/条件覆盖标准的测试⽤例  CU_ASSERT (3 == bookExample (4,2,0))  CU_ASSERT (1 == bookExample (1,1,1))  //满⾜条件组合覆盖标准的测试⽤例  CU_ASSERT (3 == bookExample (4,2,0))  CU_ASSERT (2 == bookExample (1,2,1))  CU_ASSERT (3 == bookExample (2,1,0))  CU_ASSERT (1 == bookExample (1,1,1))  //满⾜路径覆盖标准的测试⽤例  CU_ASSERT (3 == bookExample (4,2,0))  CU_ASSERT (1 == bookExample (3,3,0))  CU_ASSERT (3 == bookExample (2,1,0))  CU_ASSERT (1 == bookExample (1,1,1))}/* The main() function for setting up and running the tests. * Returns a CUE_SUCCESS on successful running, another  * CUnit error code on failure. */int main (){  CU_pSuite pSuite = NULL ; //初始化结构体  /* initialize the CUnit test registry */  /* 第⼆步 初始化注册表 */  if  (CUE_SUCCESS  != CU_initialize_registry ())      return  CU_get_error ();  /* add a suite to the registry */  /* 第三步 添加套件到测试注册表 */
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Automated
上⾯的CUnit的输出⽅式是Basic(基本)
怎么将输出模式换成Automated？
常规的6个步骤还是不变，只需要在最后那加两个函数:CU_automated_run_tests();
CU_list_tests_to_file();
想了解细节的看⽂档
开始我尝试Automated的输出⽅式时⽣成了两个XML⽂件，死活显⽰不出来像官⽅截图那样的，如何我错误的去查如何查看XML⽂件以及XML转Markdown等等，到最后我看到了⼀篇⽂章，原来是我少了⼏个⽂件。
⽂章中提到  /* 第三步 添加套件到测试注册表 */  pSuite = CU_add_suite ("Suite_1", init_suite1, clean_suite1);  if  (NULL  == pSuite )  {                        // 如果添加套件失败      CU_cleanup_registry (); // 清理注册表并报错      return  CU_get_error ();  }  /* add the tests to the suite */  /* 第四步 添加测试套件 */  /* NOTE - ORDER IS IMPORTANT - MUST TEST fread() AFTER fprintf() */  if  ((NULL  ==
CU_add_test (pSuite , "test of fprintf()", testFPRINTF )) ||      (NULL  == CU_add_test (pSuite , "test of fread()", testFREAD )) ||      (NULL  == CU_add_test (pSuite , "test of BookExample()", testBookExample )))  { // 如果添加测试套件失败清理注册表并报错      CU_cleanup_registry ();      return  CU_get_error ();  }  /* Run all tests using the CUnit Basic interface */  /* 第五步 使⽤适当的接⼝运⾏测试 */  /*    CU_BRM_NORMAL    Normal 模式-失败和运⾏摘要打印[default]  CU_BRM_SILENT    静默模式-除了框架错误消息外，不输出任何输出。  CU_BRM_VERBOSE  详细模式——运⾏详细信息的最⼤输出。  */  CU_basic_set_mode (CU_BRM_VERBOSE ); // 设置基本接⼝的运⾏模式  CU_basic_run_tests (); // 使⽤基本接⼝运⾏所有注册的CUnit 测试  /* 第六步 清理测试注册表 */  CU_cleanup_registry ();  return  CU_get_error ();}
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