chromecast/base/process_utils_unittest.cc

   1 // Copyright 2015 The Chromium 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 "chromecast/base/process_utils.h"
   6 #include "testing/gtest/include/gtest/gtest.h"
   7
   8 namespace chromecast {
   9
  10 // Verify that a simple process works as expected.
  11 TEST(ProcessUtilsTest, SimpleProcess) {
  12   // Create a simple command.
  13   std::vector<std::string> args;
  14   args.push_back("echo");
  15   args.push_back("Hello World");
  16
  17   // Execute the command and collect the output.
  18   std::string stdout_result;
  19   ASSERT_TRUE(GetAppOutput(args, &stdout_result));
  20
  21   // Echo will append a newline to the stdout.
  22   EXPECT_EQ("Hello World\n", stdout_result);
  23 }
  24
  25 // Verify that false is returned for an invalid command.
  26 TEST(ProcessUtilsTest, InvalidCommand) {
  27   // Create a command which is not valid.
  28   std::vector<std::string> args;
  29   args.push_back("invalid_command");
  30
  31   // The command should not run.
  32   std::string stdout_result;
  33   ASSERT_FALSE(GetAppOutput(args, &stdout_result));
  34   ASSERT_TRUE(stdout_result.empty());
  35 }
  36
  37 // Verify that false is returned when a command an error code.
  38 TEST(ProcessUtilsTest, ProcessReturnsError) {
  39   // Create a simple command.
  40   std::vector<std::string> args;
  41   args.push_back("cd");
  42   args.push_back("path/to/invalid/directory");
  43   args.push_back("2>&1");  // Pipe the stderr into stdout.
  44
  45   // Execute the command and collect the output. Verify that the output of the
  46   // process is collected, even when the process returns an error code.
  47   std::string stderr_result;
  48   ASSERT_FALSE(GetAppOutput(args, &stderr_result));
  49   ASSERT_FALSE(stderr_result.empty());
  50 }
  51
  52 }  // namespace chromecast