1 // Copyright 2015 The Chromium OS Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "run_command.h" 6 7 #include <vector> 8 9 #include "compat/string.h" 10 #include "compat/test.h" 11 12 namespace quipper { 13 14 TEST(RunCommandTest, StoresStdout) { 15 std::vector<char> output; 16 EXPECT_EQ(0, RunCommand({"/bin/sh", "-c", "echo 'Hello, world!'"}, &output)); 17 string output_str(output.begin(), output.end()); 18 EXPECT_EQ("Hello, world!\n", output_str); 19 } 20 21 TEST(RunCommandTest, RunsFromPath) { 22 std::vector<char> output; 23 EXPECT_EQ(0, RunCommand({"sh", "-c", "echo 'Hello, world!'"}, &output)); 24 string output_str(output.begin(), output.end()); 25 EXPECT_EQ("Hello, world!\n", output_str); 26 } 27 28 TEST(RunCommandTest, LargeStdout) { 29 std::vector<char> output; 30 EXPECT_EQ(0, 31 RunCommand({"dd", "if=/dev/zero", "bs=5", "count=4096"}, &output)); 32 EXPECT_EQ(5 * 4096, output.size()); 33 EXPECT_EQ('\0', output[0]); 34 EXPECT_EQ('\0', output[1]); 35 EXPECT_EQ('\0', *output.rbegin()); 36 } 37 38 TEST(RunCommandTest, StdoutToDevnull) { 39 EXPECT_EQ(0, RunCommand({"/bin/sh", "-c", "echo 'Hello, world!'"}, nullptr)); 40 } 41 42 TEST(RunCommandTest, StderrIsNotStored) { 43 std::vector<char> output; 44 EXPECT_EQ(0, 45 RunCommand({"/bin/sh", "-c", "echo 'Hello, void!' >&2"}, &output)); 46 EXPECT_EQ(0, output.size()); 47 } 48 49 TEST(RunCommandTest, NoSuchExecutable) { 50 std::vector<char> output; 51 int ret = RunCommand({"/doesnt-exist/not-bin/true"}, &output); 52 int save_errno = errno; 53 EXPECT_EQ(-1, ret); 54 EXPECT_EQ(ENOENT, save_errno); 55 } 56 57 } // namespace quipper 58
