| // Copyright 2022 Google LLC |
| // |
| // 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 "./fuzztest/internal/subprocess.h" |
| |
| #include <csignal> |
| #include <string> |
| |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| #include "absl/time/time.h" |
| |
| namespace fuzztest::internal { |
| namespace { |
| |
| using ::testing::HasSubstr; |
| |
| TEST(SubProcessTest, StdOutIsCaptured) { |
| auto [status, std_out, std_err] = RunCommand({"echo", "hello", "world"}); |
| EXPECT_TRUE(status.Exited()); |
| EXPECT_EQ(status.ExitCode(), 0); |
| EXPECT_EQ(std_out, "hello world\n"); |
| EXPECT_EQ(std_err, ""); |
| } |
| |
| TEST(SubProcessTest, StdErrIsCaptured) { |
| auto [status, std_out, std_err] = RunCommand({"bash", "-c", "not-a-binary"}); |
| EXPECT_TRUE(status.Exited()); |
| EXPECT_NE(status.ExitCode(), 0); |
| EXPECT_EQ(std_out, ""); |
| EXPECT_THAT(std_err, HasSubstr("command not found")); |
| } |
| |
| TEST(SubProcessTest, CrashesWithWrongArguments) { |
| EXPECT_DEATH(RunCommand({"not-a-binary"}), "Cannot spawn child process"); |
| } |
| |
| TEST(SubProcessTest, PassedEnvironmentIsSet) { |
| auto [status, std_out, std_err] = RunCommand({"env"}, {{"THING", "42"}}); |
| EXPECT_TRUE(status.Exited()); |
| EXPECT_EQ(status.ExitCode(), 0); |
| EXPECT_EQ(std_out, "THING=42\n"); |
| EXPECT_EQ(std_err, ""); |
| } |
| |
| TEST(SubProcessTest, TimeoutIsEnforced) { |
| auto [status, std_out, std_err] = |
| RunCommand({"yes"}, /*environment=*/{}, absl::Seconds(.5)); |
| EXPECT_TRUE(status.Signaled()); |
| EXPECT_EQ(status.Signal(), SIGTERM); |
| EXPECT_GT(std_out.size(), 0); |
| EXPECT_EQ(std_err.size(), 0); |
| } |
| |
| } // namespace |
| } // namespace fuzztest::internal |