312 lines
9.6 KiB
C++
312 lines
9.6 KiB
C++
// Copyright 2009 Google Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Author: vladl@google.com (Vlad Losev)
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//
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// The Google C++ Testing Framework (Google Test)
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//
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// This file verifies Google Test event listeners receive events at the
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// right times.
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#include "gtest/gtest.h"
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#include <vector>
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using ::testing::AddGlobalTestEnvironment;
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using ::testing::Environment;
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using ::testing::InitGoogleTest;
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using ::testing::Test;
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using ::testing::TestCase;
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using ::testing::TestEventListener;
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using ::testing::TestInfo;
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using ::testing::TestPartResult;
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using ::testing::UnitTest;
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// Used by tests to register their events.
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std::vector<std::string>* g_events = NULL;
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namespace testing {
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namespace internal {
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class EventRecordingListener : public TestEventListener {
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public:
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explicit EventRecordingListener(const char* name) : name_(name) {}
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protected:
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virtual void OnTestProgramStart(const UnitTest& /*unit_test*/) {
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g_events->push_back(GetFullMethodName("OnTestProgramStart"));
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}
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virtual void OnTestIterationStart(const UnitTest& /*unit_test*/,
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int iteration) {
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Message message;
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message << GetFullMethodName("OnTestIterationStart")
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<< "(" << iteration << ")";
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g_events->push_back(message.GetString());
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}
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virtual void OnEnvironmentsSetUpStart(const UnitTest& /*unit_test*/) {
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g_events->push_back(GetFullMethodName("OnEnvironmentsSetUpStart"));
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}
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virtual void OnEnvironmentsSetUpEnd(const UnitTest& /*unit_test*/) {
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g_events->push_back(GetFullMethodName("OnEnvironmentsSetUpEnd"));
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}
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virtual void OnTestCaseStart(const TestCase& /*test_case*/) {
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g_events->push_back(GetFullMethodName("OnTestCaseStart"));
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}
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virtual void OnTestStart(const TestInfo& /*test_info*/) {
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g_events->push_back(GetFullMethodName("OnTestStart"));
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}
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virtual void OnTestPartResult(const TestPartResult& /*test_part_result*/) {
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g_events->push_back(GetFullMethodName("OnTestPartResult"));
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}
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virtual void OnTestEnd(const TestInfo& /*test_info*/) {
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g_events->push_back(GetFullMethodName("OnTestEnd"));
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}
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virtual void OnTestCaseEnd(const TestCase& /*test_case*/) {
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g_events->push_back(GetFullMethodName("OnTestCaseEnd"));
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}
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virtual void OnEnvironmentsTearDownStart(const UnitTest& /*unit_test*/) {
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g_events->push_back(GetFullMethodName("OnEnvironmentsTearDownStart"));
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}
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virtual void OnEnvironmentsTearDownEnd(const UnitTest& /*unit_test*/) {
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g_events->push_back(GetFullMethodName("OnEnvironmentsTearDownEnd"));
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}
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virtual void OnTestIterationEnd(const UnitTest& /*unit_test*/,
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int iteration) {
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Message message;
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message << GetFullMethodName("OnTestIterationEnd")
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<< "(" << iteration << ")";
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g_events->push_back(message.GetString());
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}
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virtual void OnTestProgramEnd(const UnitTest& /*unit_test*/) {
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g_events->push_back(GetFullMethodName("OnTestProgramEnd"));
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}
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private:
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std::string GetFullMethodName(const char* name) {
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return name_ + "." + name;
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}
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std::string name_;
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};
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class EnvironmentInvocationCatcher : public Environment {
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protected:
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virtual void SetUp() {
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g_events->push_back("Environment::SetUp");
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}
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virtual void TearDown() {
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g_events->push_back("Environment::TearDown");
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}
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};
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class ListenerTest : public Test {
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protected:
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static void SetUpTestCase() {
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g_events->push_back("ListenerTest::SetUpTestCase");
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}
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static void TearDownTestCase() {
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g_events->push_back("ListenerTest::TearDownTestCase");
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}
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virtual void SetUp() {
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g_events->push_back("ListenerTest::SetUp");
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}
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virtual void TearDown() {
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g_events->push_back("ListenerTest::TearDown");
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}
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};
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TEST_F(ListenerTest, DoesFoo) {
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// Test execution order within a test case is not guaranteed so we are not
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// recording the test name.
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g_events->push_back("ListenerTest::* Test Body");
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SUCCEED(); // Triggers OnTestPartResult.
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}
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TEST_F(ListenerTest, DoesBar) {
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g_events->push_back("ListenerTest::* Test Body");
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SUCCEED(); // Triggers OnTestPartResult.
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}
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} // namespace internal
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} // namespace testing
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using ::testing::internal::EnvironmentInvocationCatcher;
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using ::testing::internal::EventRecordingListener;
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void VerifyResults(const std::vector<std::string>& data,
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const char* const* expected_data,
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size_t expected_data_size) {
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const size_t actual_size = data.size();
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// If the following assertion fails, a new entry will be appended to
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// data. Hence we save data.size() first.
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EXPECT_EQ(expected_data_size, actual_size);
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// Compares the common prefix.
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const size_t shorter_size = expected_data_size <= actual_size ?
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expected_data_size : actual_size;
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size_t i = 0;
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for (; i < shorter_size; ++i) {
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ASSERT_STREQ(expected_data[i], data[i].c_str())
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<< "at position " << i;
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}
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// Prints extra elements in the actual data.
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for (; i < actual_size; ++i) {
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printf(" Actual event #%lu: %s\n",
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static_cast<unsigned long>(i), data[i].c_str());
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}
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}
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int main(int argc, char **argv) {
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std::vector<std::string> events;
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g_events = &events;
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InitGoogleTest(&argc, argv);
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UnitTest::GetInstance()->listeners().Append(
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new EventRecordingListener("1st"));
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UnitTest::GetInstance()->listeners().Append(
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new EventRecordingListener("2nd"));
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AddGlobalTestEnvironment(new EnvironmentInvocationCatcher);
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GTEST_CHECK_(events.size() == 0)
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<< "AddGlobalTestEnvironment should not generate any events itself.";
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::testing::GTEST_FLAG(repeat) = 2;
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int ret_val = RUN_ALL_TESTS();
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const char* const expected_events[] = {
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"1st.OnTestProgramStart",
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"2nd.OnTestProgramStart",
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"1st.OnTestIterationStart(0)",
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"2nd.OnTestIterationStart(0)",
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"1st.OnEnvironmentsSetUpStart",
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"2nd.OnEnvironmentsSetUpStart",
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"Environment::SetUp",
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"2nd.OnEnvironmentsSetUpEnd",
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"1st.OnEnvironmentsSetUpEnd",
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"1st.OnTestCaseStart",
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"2nd.OnTestCaseStart",
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"ListenerTest::SetUpTestCase",
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"1st.OnTestStart",
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"2nd.OnTestStart",
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"ListenerTest::SetUp",
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"ListenerTest::* Test Body",
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"1st.OnTestPartResult",
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"2nd.OnTestPartResult",
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"ListenerTest::TearDown",
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"2nd.OnTestEnd",
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"1st.OnTestEnd",
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"1st.OnTestStart",
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"2nd.OnTestStart",
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"ListenerTest::SetUp",
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"ListenerTest::* Test Body",
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"1st.OnTestPartResult",
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"2nd.OnTestPartResult",
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"ListenerTest::TearDown",
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"2nd.OnTestEnd",
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"1st.OnTestEnd",
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"ListenerTest::TearDownTestCase",
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"2nd.OnTestCaseEnd",
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"1st.OnTestCaseEnd",
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"1st.OnEnvironmentsTearDownStart",
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"2nd.OnEnvironmentsTearDownStart",
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"Environment::TearDown",
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"2nd.OnEnvironmentsTearDownEnd",
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"1st.OnEnvironmentsTearDownEnd",
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"2nd.OnTestIterationEnd(0)",
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"1st.OnTestIterationEnd(0)",
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"1st.OnTestIterationStart(1)",
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"2nd.OnTestIterationStart(1)",
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"1st.OnEnvironmentsSetUpStart",
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"2nd.OnEnvironmentsSetUpStart",
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"Environment::SetUp",
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"2nd.OnEnvironmentsSetUpEnd",
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"1st.OnEnvironmentsSetUpEnd",
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"1st.OnTestCaseStart",
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"2nd.OnTestCaseStart",
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"ListenerTest::SetUpTestCase",
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"1st.OnTestStart",
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"2nd.OnTestStart",
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"ListenerTest::SetUp",
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"ListenerTest::* Test Body",
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"1st.OnTestPartResult",
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"2nd.OnTestPartResult",
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"ListenerTest::TearDown",
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"2nd.OnTestEnd",
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"1st.OnTestEnd",
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"1st.OnTestStart",
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"2nd.OnTestStart",
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"ListenerTest::SetUp",
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"ListenerTest::* Test Body",
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"1st.OnTestPartResult",
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"2nd.OnTestPartResult",
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"ListenerTest::TearDown",
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"2nd.OnTestEnd",
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"1st.OnTestEnd",
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"ListenerTest::TearDownTestCase",
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"2nd.OnTestCaseEnd",
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"1st.OnTestCaseEnd",
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"1st.OnEnvironmentsTearDownStart",
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"2nd.OnEnvironmentsTearDownStart",
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"Environment::TearDown",
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"2nd.OnEnvironmentsTearDownEnd",
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"1st.OnEnvironmentsTearDownEnd",
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"2nd.OnTestIterationEnd(1)",
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"1st.OnTestIterationEnd(1)",
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"2nd.OnTestProgramEnd",
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"1st.OnTestProgramEnd"
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};
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VerifyResults(events,
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expected_events,
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sizeof(expected_events)/sizeof(expected_events[0]));
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// We need to check manually for ad hoc test failures that happen after
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// RUN_ALL_TESTS finishes.
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if (UnitTest::GetInstance()->Failed())
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ret_val = 1;
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return ret_val;
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}
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