| 4710c53d |
1 | # Tests invocation of the interpreter with various command line arguments\r |
| 2 | # All tests are executed with environment variables ignored\r |
| 3 | # See test_cmd_line_script.py for testing of script execution\r |
| 4 | \r |
| 5 | import test.test_support, unittest\r |
| 6 | import sys\r |
| 7 | from test.script_helper import spawn_python, kill_python, python_exit_code\r |
| 8 | \r |
| 9 | \r |
| 10 | class CmdLineTest(unittest.TestCase):\r |
| 11 | def start_python(self, *args):\r |
| 12 | p = spawn_python(*args)\r |
| 13 | return kill_python(p)\r |
| 14 | \r |
| 15 | def exit_code(self, *args):\r |
| 16 | return python_exit_code(*args)\r |
| 17 | \r |
| 18 | def test_directories(self):\r |
| 19 | self.assertNotEqual(self.exit_code('.'), 0)\r |
| 20 | self.assertNotEqual(self.exit_code('< .'), 0)\r |
| 21 | \r |
| 22 | def verify_valid_flag(self, cmd_line):\r |
| 23 | data = self.start_python(cmd_line)\r |
| 24 | self.assertTrue(data == '' or data.endswith('\n'))\r |
| 25 | self.assertNotIn('Traceback', data)\r |
| 26 | \r |
| 27 | def test_optimize(self):\r |
| 28 | self.verify_valid_flag('-O')\r |
| 29 | self.verify_valid_flag('-OO')\r |
| 30 | \r |
| 31 | def test_q(self):\r |
| 32 | self.verify_valid_flag('-Qold')\r |
| 33 | self.verify_valid_flag('-Qnew')\r |
| 34 | self.verify_valid_flag('-Qwarn')\r |
| 35 | self.verify_valid_flag('-Qwarnall')\r |
| 36 | \r |
| 37 | def test_site_flag(self):\r |
| 38 | self.verify_valid_flag('-S')\r |
| 39 | \r |
| 40 | def test_usage(self):\r |
| 41 | self.assertIn('usage', self.start_python('-h'))\r |
| 42 | \r |
| 43 | def test_version(self):\r |
| 44 | version = 'Python %d.%d' % sys.version_info[:2]\r |
| 45 | self.assertTrue(self.start_python('-V').startswith(version))\r |
| 46 | \r |
| 47 | def test_run_module(self):\r |
| 48 | # Test expected operation of the '-m' switch\r |
| 49 | # Switch needs an argument\r |
| 50 | self.assertNotEqual(self.exit_code('-m'), 0)\r |
| 51 | # Check we get an error for a nonexistent module\r |
| 52 | self.assertNotEqual(\r |
| 53 | self.exit_code('-m', 'fnord43520xyz'),\r |
| 54 | 0)\r |
| 55 | # Check the runpy module also gives an error for\r |
| 56 | # a nonexistent module\r |
| 57 | self.assertNotEqual(\r |
| 58 | self.exit_code('-m', 'runpy', 'fnord43520xyz'),\r |
| 59 | 0)\r |
| 60 | # All good if module is located and run successfully\r |
| 61 | self.assertEqual(\r |
| 62 | self.exit_code('-m', 'timeit', '-n', '1'),\r |
| 63 | 0)\r |
| 64 | \r |
| 65 | def test_run_module_bug1764407(self):\r |
| 66 | # -m and -i need to play well together\r |
| 67 | # Runs the timeit module and checks the __main__\r |
| 68 | # namespace has been populated appropriately\r |
| 69 | p = spawn_python('-i', '-m', 'timeit', '-n', '1')\r |
| 70 | p.stdin.write('Timer\n')\r |
| 71 | p.stdin.write('exit()\n')\r |
| 72 | data = kill_python(p)\r |
| 73 | self.assertTrue(data.startswith('1 loop'))\r |
| 74 | self.assertIn('__main__.Timer', data)\r |
| 75 | \r |
| 76 | def test_run_code(self):\r |
| 77 | # Test expected operation of the '-c' switch\r |
| 78 | # Switch needs an argument\r |
| 79 | self.assertNotEqual(self.exit_code('-c'), 0)\r |
| 80 | # Check we get an error for an uncaught exception\r |
| 81 | self.assertNotEqual(\r |
| 82 | self.exit_code('-c', 'raise Exception'),\r |
| 83 | 0)\r |
| 84 | # All good if execution is successful\r |
| 85 | self.assertEqual(\r |
| 86 | self.exit_code('-c', 'pass'),\r |
| 87 | 0)\r |
| 88 | \r |
| 89 | \r |
| 90 | def test_main():\r |
| 91 | test.test_support.run_unittest(CmdLineTest)\r |
| 92 | test.test_support.reap_children()\r |
| 93 | \r |
| 94 | if __name__ == "__main__":\r |
| 95 | test_main()\r |
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