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156 lines
4.3 KiB
156 lines
4.3 KiB
// Copyright 2019 The Pigweed Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
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// use this file except in compliance with the License. You may obtain a copy of
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// the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations under
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// the License.
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#include "pw_unit_test/framework.h"
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#include <algorithm>
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#include <cstring>
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namespace pw {
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namespace unit_test {
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void RegisterEventHandler(EventHandler* event_handler) {
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internal::Framework::Get().RegisterEventHandler(event_handler);
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}
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namespace internal {
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// Singleton instance of the unit test framework class.
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Framework Framework::framework_;
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// Linked list of all test cases in the test executable. This is static as it is
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// populated using static initialization.
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TestInfo* Framework::tests_ = nullptr;
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void Framework::RegisterTest(TestInfo* new_test) {
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// If the test list is empty, set new_test as the first test.
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if (tests_ == nullptr) {
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tests_ = new_test;
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return;
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}
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// Append the test case to the end of the test list.
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TestInfo* info = tests_;
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for (; info->next() != nullptr; info = info->next()) {
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}
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info->set_next(new_test);
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}
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int Framework::RunAllTests() {
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run_tests_summary_.passed_tests = 0;
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run_tests_summary_.failed_tests = 0;
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run_tests_summary_.skipped_tests = 0;
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run_tests_summary_.disabled_tests = 0;
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if (event_handler_ != nullptr) {
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event_handler_->RunAllTestsStart();
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}
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for (const TestInfo* test = tests_; test != nullptr; test = test->next()) {
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if (ShouldRunTest(*test)) {
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test->run();
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} else if (!test->enabled()) {
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run_tests_summary_.disabled_tests++;
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if (event_handler_ != nullptr) {
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event_handler_->TestCaseDisabled(test->test_case());
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}
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} else {
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run_tests_summary_.skipped_tests++;
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}
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}
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if (event_handler_ != nullptr) {
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event_handler_->RunAllTestsEnd(run_tests_summary_);
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}
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return exit_status_;
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}
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void Framework::StartTest(const TestInfo& test) {
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current_test_ = &test;
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current_result_ = TestResult::kSuccess;
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if (event_handler_ != nullptr) {
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event_handler_->TestCaseStart(test.test_case());
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}
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}
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void Framework::EndCurrentTest() {
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switch (current_result_) {
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case TestResult::kSuccess:
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run_tests_summary_.passed_tests++;
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break;
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case TestResult::kFailure:
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run_tests_summary_.failed_tests++;
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break;
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}
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if (event_handler_ != nullptr) {
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event_handler_->TestCaseEnd(current_test_->test_case(), current_result_);
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}
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current_test_ = nullptr;
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}
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void Framework::ExpectationResult(const char* expression,
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const char* evaluated_expression,
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int line,
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bool success) {
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if (!success) {
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current_result_ = TestResult::kFailure;
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exit_status_ = 1;
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}
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if (event_handler_ == nullptr) {
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return;
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}
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TestExpectation expectation = {
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.expression = expression,
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.evaluated_expression = evaluated_expression,
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.line_number = line,
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.success = success,
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};
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event_handler_->TestCaseExpect(current_test_->test_case(), expectation);
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}
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bool Framework::ShouldRunTest(const TestInfo& test_info) {
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#if PW_CXX_STANDARD_IS_SUPPORTED(17)
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// Test suite filtering is only supported if using C++17.
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if (!test_suites_to_run_.empty()) {
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std::string_view test_suite(test_info.test_case().suite_name);
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bool suite_matches =
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std::any_of(test_suites_to_run_.begin(),
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test_suites_to_run_.end(),
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[&](auto& name) { return test_suite == name; });
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if (!suite_matches) {
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return false;
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}
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}
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#endif // PW_CXX_STANDARD_IS_SUPPORTED(17)
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return test_info.enabled();
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}
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bool TestInfo::enabled() const {
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constexpr size_t kStringSize = sizeof("DISABLED_") - 1;
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return std::strncmp("DISABLED_", test_case().test_name, kStringSize) != 0 &&
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std::strncmp("DISABLED_", test_case().suite_name, kStringSize) != 0;
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}
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} // namespace internal
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} // namespace unit_test
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} // namespace pw
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