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135 lines
5.1 KiB
135 lines
5.1 KiB
// Copyright 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_TEST_LAUNCHER_UNIT_TEST_LAUNCHER_H_
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#define BASE_TEST_LAUNCHER_UNIT_TEST_LAUNCHER_H_
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#include <stddef.h>
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#include <string>
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#include <vector>
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#include "base/callback.h"
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#include "base/files/file_path.h"
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#include "base/macros.h"
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#include "base/test/launcher/test_launcher.h"
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#include "build/build_config.h"
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namespace base {
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// Callback that runs a test suite and returns exit code.
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using RunTestSuiteCallback = OnceCallback<int(void)>;
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// Launches unit tests in given test suite. Returns exit code.
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int LaunchUnitTests(int argc, char** argv, RunTestSuiteCallback run_test_suite);
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// Same as above, but always runs tests serially.
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int LaunchUnitTestsSerially(int argc,
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char** argv,
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RunTestSuiteCallback run_test_suite);
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// Launches unit tests in given test suite. Returns exit code.
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// |parallel_jobs| is the number of parallel test jobs.
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// |default_batch_limit| is the default size of test batch
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// (use 0 to disable batching).
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// |use_job_objects| determines whether to use job objects.
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int LaunchUnitTestsWithOptions(int argc,
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char** argv,
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size_t parallel_jobs,
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int default_batch_limit,
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bool use_job_objects,
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RunTestSuiteCallback run_test_suite);
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#if defined(OS_WIN)
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// Launches unit tests in given test suite. Returns exit code.
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// |use_job_objects| determines whether to use job objects.
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int LaunchUnitTests(int argc,
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wchar_t** argv,
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bool use_job_objects,
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RunTestSuiteCallback run_test_suite);
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#endif // defined(OS_WIN)
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// Delegate to abstract away platform differences for unit tests.
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class UnitTestPlatformDelegate {
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public:
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// Called to get names of tests available for running. The delegate
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// must put the result in |output| and return true on success.
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virtual bool GetTests(std::vector<TestIdentifier>* output) = 0;
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// Called to create a temporary for storing test results. The delegate
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// must put the resulting path in |path| and return true on success.
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virtual bool CreateResultsFile(base::FilePath* path) = 0;
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// Called to create a new temporary file. The delegate must put the resulting
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// path in |path| and return true on success.
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virtual bool CreateTemporaryFile(base::FilePath* path) = 0;
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// Returns command line for child GTest process based on the command line
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// of current process. |test_names| is a vector of test full names
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// (e.g. "A.B"), |output_file| is path to the GTest XML output file.
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virtual CommandLine GetCommandLineForChildGTestProcess(
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const std::vector<std::string>& test_names,
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const base::FilePath& output_file,
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const base::FilePath& flag_file) = 0;
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// Returns wrapper to use for child GTest process. Empty string means
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// no wrapper.
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virtual std::string GetWrapperForChildGTestProcess() = 0;
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// Relaunch tests, e.g. after a crash.
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virtual void RelaunchTests(TestLauncher* test_launcher,
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const std::vector<std::string>& test_names,
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int launch_flags) = 0;
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protected:
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~UnitTestPlatformDelegate() = default;
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};
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// Runs tests serially, each in its own process.
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void RunUnitTestsSerially(TestLauncher* test_launcher,
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UnitTestPlatformDelegate* platform_delegate,
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const std::vector<std::string>& test_names,
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int launch_flags);
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// Runs tests in batches (each batch in its own process).
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void RunUnitTestsBatch(TestLauncher* test_launcher,
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UnitTestPlatformDelegate* platform_delegate,
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const std::vector<std::string>& test_names,
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int launch_flags);
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// Test launcher delegate for unit tests (mostly to support batching).
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class UnitTestLauncherDelegate : public TestLauncherDelegate {
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public:
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UnitTestLauncherDelegate(UnitTestPlatformDelegate* delegate,
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size_t batch_limit,
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bool use_job_objects);
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~UnitTestLauncherDelegate() override;
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private:
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// TestLauncherDelegate:
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bool GetTests(std::vector<TestIdentifier>* output) override;
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bool ShouldRunTest(const std::string& test_case_name,
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const std::string& test_name) override;
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size_t RunTests(TestLauncher* test_launcher,
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const std::vector<std::string>& test_names) override;
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size_t RetryTests(TestLauncher* test_launcher,
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const std::vector<std::string>& test_names) override;
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ThreadChecker thread_checker_;
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UnitTestPlatformDelegate* platform_delegate_;
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// Maximum number of tests to run in a single batch.
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size_t batch_limit_;
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// Determines whether we use job objects on Windows.
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bool use_job_objects_;
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DISALLOW_COPY_AND_ASSIGN(UnitTestLauncherDelegate);
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};
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} // namespace base
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#endif // BASE_TEST_LAUNCHER_UNIT_TEST_LAUNCHER_H_
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