| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #include "utils/activity_manager.h" |
| |
| #include <gmock/gmock.h> |
| #include <gtest/gtest.h> |
| |
| using std::string; |
| using testing::HasSubstr; |
| using testing::Return; |
| using testing::SaveArg; |
| using testing::SetArgPointee; |
| using testing::StartsWith; |
| using testing::StrEq; |
| using testing::StrNe; |
| |
| namespace { |
| const char* const kAmExecutable = "/aaaaa/system/bin/am"; |
| const char* const kProfileStart = "profile start"; |
| const char* const kTestPackageName = "TestPackageName"; |
| const char* const kMockOutputString = "MockOutputString"; |
| } // namespace |
| |
| namespace profiler { |
| |
| // A subclass of ActivityManager that we want to test. The only difference is it |
| // has a public constructor. |
| class TestActivityManager final : public ActivityManager { |
| public: |
| explicit TestActivityManager(std::unique_ptr<BashCommandRunner> bash) |
| : ActivityManager(std::move(bash)) {} |
| }; |
| |
| // A mock BashCommandRunner that mocks the execution of command. |
| // We need the mock to run tests across platforms to examine the commands |
| // generated by ActivityManager. |
| class MockBashCommandRunner final : public BashCommandRunner { |
| public: |
| explicit MockBashCommandRunner(const std::string& executable_path) |
| : BashCommandRunner(executable_path) {} |
| MOCK_CONST_METHOD2(RunAndReadOutput, |
| bool(const std::string& cmd, std::string* output)); |
| }; |
| |
| TEST(ActivityManagerTest, SamplingStart) { |
| string trace_path; |
| string output_string; |
| string cmd; |
| std::unique_ptr<BashCommandRunner> bash{ |
| new MockBashCommandRunner(kAmExecutable)}; |
| EXPECT_CALL(*(static_cast<MockBashCommandRunner*>(bash.get())), |
| RunAndReadOutput(testing::A<const string&>(), &output_string)) |
| .WillOnce(DoAll(SaveArg<0>(&cmd), SetArgPointee<1>(kMockOutputString), |
| Return(true))); |
| TestActivityManager manager{std::move(bash)}; |
| manager.StartProfiling(ActivityManager::ProfilingMode::SAMPLING, |
| kTestPackageName, 1000, &trace_path, &output_string); |
| EXPECT_THAT(cmd, StartsWith(kAmExecutable)); |
| EXPECT_THAT(cmd, HasSubstr(kProfileStart)); |
| EXPECT_THAT(cmd, HasSubstr(kTestPackageName)); |
| EXPECT_THAT(cmd, HasSubstr("--sampling 1000 ")); |
| // '--sampling 0' is effectively instrumentation mode. |
| EXPECT_THAT(cmd, Not(HasSubstr("--sampling 0 "))); |
| EXPECT_THAT(trace_path, StrNe("")); |
| EXPECT_THAT(output_string, StrEq(kMockOutputString)); |
| } |
| |
| TEST(ActivityManagerTest, InstrumentStart) { |
| string trace_path; |
| string output_string; |
| string cmd; |
| std::unique_ptr<BashCommandRunner> bash{ |
| new MockBashCommandRunner(kAmExecutable)}; |
| EXPECT_CALL(*(static_cast<MockBashCommandRunner*>(bash.get())), |
| RunAndReadOutput(testing::A<const string&>(), &output_string)) |
| .WillOnce(DoAll(SaveArg<0>(&cmd), SetArgPointee<1>(kMockOutputString), |
| Return(true))); |
| TestActivityManager manager{std::move(bash)}; |
| manager.StartProfiling(ActivityManager::ProfilingMode::INSTRUMENTED, |
| kTestPackageName, 1000, &trace_path, &output_string); |
| EXPECT_THAT(cmd, StartsWith(kAmExecutable)); |
| EXPECT_THAT(cmd, HasSubstr(kProfileStart)); |
| EXPECT_THAT(cmd, HasSubstr(kTestPackageName)); |
| EXPECT_THAT(cmd, Not(HasSubstr("--sampling"))); |
| EXPECT_THAT(trace_path, StrNe("")); |
| EXPECT_THAT(output_string, StrEq(kMockOutputString)); |
| } |
| |
| TEST(ActivityManagerTest, InstrumentSystemServerStart) { |
| string trace_path; |
| string output_string; |
| string cmd; |
| std::unique_ptr<BashCommandRunner> bash{ |
| new MockBashCommandRunner(kAmExecutable)}; |
| EXPECT_CALL(*(static_cast<MockBashCommandRunner*>(bash.get())), |
| RunAndReadOutput(testing::A<const string&>(), &output_string)) |
| .WillOnce(DoAll(SaveArg<0>(&cmd), SetArgPointee<1>(kMockOutputString), |
| Return(true))); |
| TestActivityManager manager{std::move(bash)}; |
| manager.StartProfiling(ActivityManager::ProfilingMode::INSTRUMENTED, |
| "system_server", 1000, &trace_path, &output_string); |
| EXPECT_THAT(cmd, StartsWith(kAmExecutable)); |
| EXPECT_THAT(cmd, HasSubstr(kProfileStart)); |
| EXPECT_THAT(cmd, HasSubstr(" system ")); |
| EXPECT_THAT(cmd, Not(HasSubstr(" system_server "))); |
| EXPECT_THAT(trace_path, StrNe("")); |
| EXPECT_THAT(output_string, StrEq(kMockOutputString)); |
| } |
| |
| } // namespace profiler |