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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef BASE_TEST_LAUNCHER_UNIT_TEST_LAUNCHER_H_ | |
| 6 #define BASE_TEST_LAUNCHER_UNIT_TEST_LAUNCHER_H_ | |
| 7 | |
| 8 #include "base/callback.h" | |
| 9 #include "base/files/file_path.h" | |
| 10 #include "base/test/launcher/test_launcher.h" | |
| 11 | |
| 12 namespace base { | |
| 13 | |
| 14 // Callback that runs a test suite and returns exit code. | |
| 15 typedef base::Callback<int(void)> RunTestSuiteCallback; | |
| 16 | |
| 17 // Launches unit tests in given test suite. Returns exit code. | |
| 18 int LaunchUnitTests(int argc, | |
| 19 char** argv, | |
| 20 const RunTestSuiteCallback& run_test_suite); | |
| 21 | |
| 22 // Same as above, but always runs tests serially. | |
| 23 int LaunchUnitTestsSerially(int argc, | |
| 24 char** argv, | |
| 25 const RunTestSuiteCallback& run_test_suite); | |
| 26 | |
| 27 #if defined(OS_WIN) | |
| 28 // Launches unit tests in given test suite. Returns exit code. | |
| 29 // |use_job_objects| determines whether to use job objects. | |
| 30 int LaunchUnitTests(int argc, | |
| 31 wchar_t** argv, | |
| 32 bool use_job_objects, | |
| 33 const RunTestSuiteCallback& run_test_suite); | |
| 34 #endif // defined(OS_WIN) | |
| 35 | |
| 36 // Delegate to abstract away platform differences for unit tests. | |
| 37 class UnitTestPlatformDelegate { | |
| 38 public: | |
| 39 // Called to get names of tests available for running. The delegate | |
| 40 // must put the result in |output| and return true on success. | |
| 41 virtual bool GetTests(std::vector<SplitTestName>* output) = 0; | |
| 42 | |
| 43 // Called to create a temporary file. The delegate must put the resulting | |
| 44 // path in |path| and return true on success. | |
| 45 virtual bool CreateTemporaryFile(base::FilePath* path) = 0; | |
| 46 | |
| 47 // Returns command line for child GTest process based on the command line | |
| 48 // of current process. |test_names| is a vector of test full names | |
| 49 // (e.g. "A.B"), |output_file| is path to the GTest XML output file. | |
| 50 virtual CommandLine GetCommandLineForChildGTestProcess( | |
| 51 const std::vector<std::string>& test_names, | |
| 52 const base::FilePath& output_file) = 0; | |
| 53 | |
| 54 // Returns wrapper to use for child GTest process. Empty string means | |
| 55 // no wrapper. | |
| 56 virtual std::string GetWrapperForChildGTestProcess() = 0; | |
| 57 | |
| 58 // Relaunch tests, e.g. after a crash. | |
| 59 virtual void RelaunchTests(TestLauncher* test_launcher, | |
| 60 const std::vector<std::string>& test_names, | |
| 61 int launch_flags) = 0; | |
| 62 | |
| 63 protected: | |
| 64 ~UnitTestPlatformDelegate() {} | |
| 65 }; | |
| 66 | |
| 67 // Runs tests serially, each in its own process. | |
| 68 void RunUnitTestsSerially(TestLauncher* test_launcher, | |
| 69 UnitTestPlatformDelegate* platform_delegate, | |
| 70 const std::vector<std::string>& test_names, | |
| 71 int launch_flags); | |
| 72 | |
| 73 // Runs tests in batches (each batch in its own process). | |
| 74 void RunUnitTestsBatch(TestLauncher* test_launcher, | |
| 75 UnitTestPlatformDelegate* platform_delegate, | |
| 76 const std::vector<std::string>& test_names, | |
| 77 int launch_flags); | |
| 78 | |
| 79 // Test launcher delegate for unit tests (mostly to support batching). | |
| 80 class UnitTestLauncherDelegate : public TestLauncherDelegate { | |
| 81 public: | |
| 82 UnitTestLauncherDelegate(UnitTestPlatformDelegate* delegate, | |
| 83 size_t batch_limit, | |
| 84 bool use_job_objects); | |
| 85 ~UnitTestLauncherDelegate() override; | |
| 86 | |
| 87 private: | |
| 88 // TestLauncherDelegate: | |
| 89 bool GetTests(std::vector<SplitTestName>* output) override; | |
| 90 bool ShouldRunTest(const std::string& test_case_name, | |
| 91 const std::string& test_name) override; | |
| 92 size_t RunTests(TestLauncher* test_launcher, | |
| 93 const std::vector<std::string>& test_names) override; | |
| 94 size_t RetryTests(TestLauncher* test_launcher, | |
| 95 const std::vector<std::string>& test_names) override; | |
| 96 | |
| 97 ThreadChecker thread_checker_; | |
| 98 | |
| 99 UnitTestPlatformDelegate* platform_delegate_; | |
| 100 | |
| 101 // Maximum number of tests to run in a single batch. | |
| 102 size_t batch_limit_; | |
| 103 | |
| 104 // Determines whether we use job objects on Windows. | |
| 105 bool use_job_objects_; | |
| 106 | |
| 107 DISALLOW_COPY_AND_ASSIGN(UnitTestLauncherDelegate); | |
| 108 }; | |
| 109 | |
| 110 } // namespace base | |
| 111 | |
| 112 #endif // BASE_TEST_LAUNCHER_UNIT_TEST_LAUNCHER_H_ | |
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