Thu Oct 11 06:44:30 2012

Asterisk developer's documentation

Asterisk Unit Test API

How to Use the Unit Test API

Define a Test

Create a callback function for the test using the AST_TEST_DEFINE macro.

Each defined test has three arguments avaliable to it's test code.

struct ast_test_info *info
enum ast_test_command cmd
struct ast_test *test
While these arguments are not visible they are passed to every test function defined using the AST_TEST_DEFINE macro.

Below is an example of how to define and write a test function.

   AST_TEST_DEFINE(sample_test_cb) \\The name of the callback function
   {                               \\The the function's body 
      switch (cmd) {
      case TEST_INIT:
          info->name = "sample_test";
          info->category = "main/test/";
          info->summary = "sample test for example purpose";
          info->description = "This demonstrates how to initialize a test function";

          return AST_TEST_NOT_RUN;
      case TEST_EXECUTE:
      \test code
      if (fail) {                 \\ the following is just some example logic
          ast_test_status_update(test, "an error occured because...");
          res = AST_RESULT_FAIL;
      } else {
          res = AST_RESULT_PASS
      return res;                 \\ result must be of type enum ast_test_result_state

Details of the test execution, especially failure details, should be provided by using the ast_test_status_update() function.

Register a Test

Register the test using the AST_TEST_REGISTER macro.

AST_TEST_REGISTER uses the callback function to retrieve all the information pertaining to a test, so the callback function is the only argument required for registering a test.

AST_TEST_REGISTER(sample_test_cb); \ Test callback function defined by AST_TEST_DEFINE

Tests are unregestered by using the AST_TEST_UNREGISTER macro.

AST_TEST_UNREGISTER(sample_test_cb); \ Remove a registered test by callback function

Execute a Test

Execute and generate test results via CLI commands

CLI Examples:

   'test show registered all'  will show every registered test.
   'test execute all'          will execute every registered test.
   'test show results all'     will show detailed results for ever executed test
   'test generate results xml' will generate a test report in xml format
   'test generate results txt' will generate a test report in txt format

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