| #!/usr/bin/python |
| # |
| # Copyright (c) 2011 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Unit tests for cros_build_lib.""" |
| |
| import unittest |
| |
| import cros_build_lib |
| |
| class CrosBuildLibTest(unittest.TestCase): |
| """Test class for cros_build_lib.""" |
| |
| def testRunCommandSimple(self): |
| """Test that RunCommand can run a simple successful command.""" |
| result = cros_build_lib.RunCommand(['ls'], |
| # Keep the test quiet options |
| print_cmd=False, |
| redirect_stdout=True, |
| redirect_stderr=True, |
| # Test specific options |
| exit_code=True) |
| self.assertEqual(result, 0) |
| |
| def testRunCommandError(self): |
| """Test that RunCommand can return an error code for a failed command.""" |
| result = cros_build_lib.RunCommand(['ls', '/nosuchdir'], |
| # Keep the test quiet options |
| print_cmd=False, |
| redirect_stdout=True, |
| redirect_stderr=True, |
| # Test specific options |
| exit_code=True) |
| self.assertNotEqual(result, 0) |
| self.assertEquals(type(result), int) |
| |
| def testRunCommandErrorRetries(self): |
| """Test that RunCommand can retry a failed command that always fails.""" |
| |
| # We don't actually check that it's retrying, just exercise the code path. |
| result = cros_build_lib.RunCommand(['ls', '/nosuchdir'], |
| # Keep the test quiet options |
| print_cmd=False, |
| redirect_stdout=True, |
| redirect_stderr=True, |
| # Test specific options |
| num_retries=2, |
| error_ok=True, |
| exit_code=True) |
| self.assertNotEqual(result, 0) |
| self.assertEquals(type(result), int) |
| |
| def testRunCommandErrorException(self): |
| """Test that RunCommand can throw an exception when a command fails.""" |
| |
| function = lambda : cros_build_lib.RunCommand(['ls', '/nosuchdir'], |
| # Keep the test quiet options |
| print_cmd=False, |
| redirect_stdout=True, |
| redirect_stderr=True) |
| self.assertRaises(cros_build_lib.RunCommandException, function) |
| |
| def testRunCommandErrorCodeNoException(self): |
| """Test that RunCommand doesn't throw an exception with exit_code.""" |
| |
| result = cros_build_lib.RunCommand(['ls', '/nosuchdir'], |
| # Keep the test quiet options |
| print_cmd=False, |
| redirect_stdout=True, |
| redirect_stderr=True, |
| # Test specific options |
| exit_code=True) |
| # We are really testing that it doesn't throw an exception if exit_code |
| # if true. |
| self.assertNotEqual(result, 0) |
| self.assertEquals(type(result), int) |
| |
| def testRunCommandCaptureOutput(self): |
| """Test that RunCommand can capture stdout if a command succeeds.""" |
| |
| result = cros_build_lib.RunCommand(['echo', '-n', 'Hi'], |
| # Keep the test quiet options |
| print_cmd=False, |
| redirect_stdout=True, |
| redirect_stderr=True) |
| self.assertEqual(result, 'Hi') |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
