Christian Heimes | 9cd1775 | 2007-11-18 19:35:23 +0000 | [diff] [blame] | 1 | # Tests invocation of the interpreter with various command line arguments |
| 2 | # All tests are executed with environment variables ignored |
| 3 | # See test_cmd_line_script.py for testing of script execution |
Neal Norwitz | 11bd119 | 2005-10-03 00:54:56 +0000 | [diff] [blame] | 4 | |
Philip Jenvey | ab7481a | 2009-05-22 05:46:35 +0000 | [diff] [blame] | 5 | import os |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 6 | import test.support, unittest |
Antoine Pitrou | 8769576 | 2008-08-14 22:44:29 +0000 | [diff] [blame] | 7 | import os |
Neal Norwitz | 11bd119 | 2005-10-03 00:54:56 +0000 | [diff] [blame] | 8 | import sys |
Nick Coghlan | 260bd3e | 2009-11-16 06:49:25 +0000 | [diff] [blame^] | 9 | from test.script_helper import spawn_python, kill_python, python_exit_code |
Neal Norwitz | 11bd119 | 2005-10-03 00:54:56 +0000 | [diff] [blame] | 10 | |
Nick Coghlan | 260bd3e | 2009-11-16 06:49:25 +0000 | [diff] [blame^] | 11 | # XXX (ncoghlan): there are assorted gratuitous inconsistencies between the |
| 12 | # support code in the Py3k version and the 2.x version that unnecessarily |
| 13 | # complicate test suite merges. See issue 7331 |
| 14 | |
| 15 | # spawn_python normally enforces use of -E to avoid environmental effects |
| 16 | # but one test checks PYTHONPATH behaviour explicitly |
| 17 | # XXX (ncoghlan): Give script_helper.spawn_python an option to switch |
| 18 | # off the -E flag that is normally inserted automatically |
| 19 | import subprocess |
| 20 | def _spawn_python_with_env(*args): |
Antoine Pitrou | 8769576 | 2008-08-14 22:44:29 +0000 | [diff] [blame] | 21 | cmd_line = [sys.executable] |
Thomas Wouters | ed03b41 | 2007-08-28 21:37:11 +0000 | [diff] [blame] | 22 | cmd_line.extend(args) |
| 23 | return subprocess.Popen(cmd_line, stdin=subprocess.PIPE, |
| 24 | stdout=subprocess.PIPE, stderr=subprocess.STDOUT) |
| 25 | |
Trent Nelson | 39e307e | 2008-03-19 06:45:48 +0000 | [diff] [blame] | 26 | |
Nick Coghlan | 260bd3e | 2009-11-16 06:49:25 +0000 | [diff] [blame^] | 27 | # XXX (ncoghlan): Move to script_helper and make consistent with run_python |
Trent Nelson | 39e307e | 2008-03-19 06:45:48 +0000 | [diff] [blame] | 28 | def _kill_python_and_exit_code(p): |
Nick Coghlan | 260bd3e | 2009-11-16 06:49:25 +0000 | [diff] [blame^] | 29 | data = kill_python(p) |
Trent Nelson | 39e307e | 2008-03-19 06:45:48 +0000 | [diff] [blame] | 30 | returncode = p.wait() |
| 31 | return data, returncode |
Thomas Wouters | ed03b41 | 2007-08-28 21:37:11 +0000 | [diff] [blame] | 32 | |
Neal Norwitz | 11bd119 | 2005-10-03 00:54:56 +0000 | [diff] [blame] | 33 | class CmdLineTest(unittest.TestCase): |
Thomas Wouters | ed03b41 | 2007-08-28 21:37:11 +0000 | [diff] [blame] | 34 | def start_python(self, *args): |
Nick Coghlan | 260bd3e | 2009-11-16 06:49:25 +0000 | [diff] [blame^] | 35 | p = spawn_python(*args) |
| 36 | return kill_python(p) |
Trent Nelson | 39e307e | 2008-03-19 06:45:48 +0000 | [diff] [blame] | 37 | |
| 38 | def start_python_and_exit_code(self, *args): |
Nick Coghlan | 260bd3e | 2009-11-16 06:49:25 +0000 | [diff] [blame^] | 39 | p = spawn_python(*args) |
Trent Nelson | 39e307e | 2008-03-19 06:45:48 +0000 | [diff] [blame] | 40 | return _kill_python_and_exit_code(p) |
Neal Norwitz | 11bd119 | 2005-10-03 00:54:56 +0000 | [diff] [blame] | 41 | |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 42 | def exit_code(self, *args): |
Nick Coghlan | 260bd3e | 2009-11-16 06:49:25 +0000 | [diff] [blame^] | 43 | return python_exit_code(*args) |
Walter Dörwald | 9356fb9 | 2005-11-25 15:22:10 +0000 | [diff] [blame] | 44 | |
Neal Norwitz | 11bd119 | 2005-10-03 00:54:56 +0000 | [diff] [blame] | 45 | def test_directories(self): |
Neal Norwitz | 72c2c06 | 2006-03-09 05:58:11 +0000 | [diff] [blame] | 46 | self.assertNotEqual(self.exit_code('.'), 0) |
| 47 | self.assertNotEqual(self.exit_code('< .'), 0) |
Neal Norwitz | 11bd119 | 2005-10-03 00:54:56 +0000 | [diff] [blame] | 48 | |
| 49 | def verify_valid_flag(self, cmd_line): |
| 50 | data = self.start_python(cmd_line) |
Guido van Rossum | a1c42a9 | 2007-08-29 03:47:36 +0000 | [diff] [blame] | 51 | self.assertTrue(data == b'' or data.endswith(b'\n')) |
Guido van Rossum | f074b64 | 2007-07-11 06:56:16 +0000 | [diff] [blame] | 52 | self.assertTrue(b'Traceback' not in data) |
Neal Norwitz | 11bd119 | 2005-10-03 00:54:56 +0000 | [diff] [blame] | 53 | |
Neal Norwitz | 11bd119 | 2005-10-03 00:54:56 +0000 | [diff] [blame] | 54 | def test_optimize(self): |
| 55 | self.verify_valid_flag('-O') |
| 56 | self.verify_valid_flag('-OO') |
| 57 | |
| 58 | def test_q(self): |
| 59 | self.verify_valid_flag('-Qold') |
| 60 | self.verify_valid_flag('-Qnew') |
| 61 | self.verify_valid_flag('-Qwarn') |
| 62 | self.verify_valid_flag('-Qwarnall') |
| 63 | |
| 64 | def test_site_flag(self): |
| 65 | self.verify_valid_flag('-S') |
| 66 | |
| 67 | def test_usage(self): |
Guido van Rossum | f074b64 | 2007-07-11 06:56:16 +0000 | [diff] [blame] | 68 | self.assertTrue(b'usage' in self.start_python('-h')) |
Neal Norwitz | 11bd119 | 2005-10-03 00:54:56 +0000 | [diff] [blame] | 69 | |
| 70 | def test_version(self): |
Guido van Rossum | a1c42a9 | 2007-08-29 03:47:36 +0000 | [diff] [blame] | 71 | version = ('Python %d.%d' % sys.version_info[:2]).encode("ascii") |
Neal Norwitz | 11bd119 | 2005-10-03 00:54:56 +0000 | [diff] [blame] | 72 | self.assertTrue(self.start_python('-V').startswith(version)) |
| 73 | |
Trent Nelson | 39e307e | 2008-03-19 06:45:48 +0000 | [diff] [blame] | 74 | def test_verbose(self): |
| 75 | # -v causes imports to write to stderr. If the write to |
| 76 | # stderr itself causes an import to happen (for the output |
| 77 | # codec), a recursion loop can occur. |
| 78 | data, rc = self.start_python_and_exit_code('-v') |
| 79 | self.assertEqual(rc, 0) |
| 80 | self.assertTrue(b'stack overflow' not in data) |
| 81 | data, rc = self.start_python_and_exit_code('-vv') |
| 82 | self.assertEqual(rc, 0) |
| 83 | self.assertTrue(b'stack overflow' not in data) |
| 84 | |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 85 | def test_run_module(self): |
| 86 | # Test expected operation of the '-m' switch |
| 87 | # Switch needs an argument |
| 88 | self.assertNotEqual(self.exit_code('-m'), 0) |
| 89 | # Check we get an error for a nonexistent module |
| 90 | self.assertNotEqual( |
| 91 | self.exit_code('-m', 'fnord43520xyz'), |
| 92 | 0) |
| 93 | # Check the runpy module also gives an error for |
| 94 | # a nonexistent module |
| 95 | self.assertNotEqual( |
| 96 | self.exit_code('-m', 'runpy', 'fnord43520xyz'), |
| 97 | 0) |
| 98 | # All good if module is located and run successfully |
| 99 | self.assertEqual( |
| 100 | self.exit_code('-m', 'timeit', '-n', '1'), |
| 101 | 0) |
| 102 | |
Thomas Wouters | ed03b41 | 2007-08-28 21:37:11 +0000 | [diff] [blame] | 103 | def test_run_module_bug1764407(self): |
| 104 | # -m and -i need to play well together |
| 105 | # Runs the timeit module and checks the __main__ |
| 106 | # namespace has been populated appropriately |
Nick Coghlan | 260bd3e | 2009-11-16 06:49:25 +0000 | [diff] [blame^] | 107 | p = spawn_python('-i', '-m', 'timeit', '-n', '1') |
Guido van Rossum | a1c42a9 | 2007-08-29 03:47:36 +0000 | [diff] [blame] | 108 | p.stdin.write(b'Timer\n') |
| 109 | p.stdin.write(b'exit()\n') |
Nick Coghlan | 260bd3e | 2009-11-16 06:49:25 +0000 | [diff] [blame^] | 110 | data = kill_python(p) |
Thomas Wouters | ed03b41 | 2007-08-28 21:37:11 +0000 | [diff] [blame] | 111 | self.assertTrue(data.find(b'1 loop') != -1) |
| 112 | self.assertTrue(data.find(b'__main__.Timer') != -1) |
| 113 | |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 114 | def test_run_code(self): |
| 115 | # Test expected operation of the '-c' switch |
| 116 | # Switch needs an argument |
| 117 | self.assertNotEqual(self.exit_code('-c'), 0) |
| 118 | # Check we get an error for an uncaught exception |
| 119 | self.assertNotEqual( |
| 120 | self.exit_code('-c', 'raise Exception'), |
| 121 | 0) |
| 122 | # All good if execution is successful |
| 123 | self.assertEqual( |
| 124 | self.exit_code('-c', 'pass'), |
| 125 | 0) |
| 126 | |
Amaury Forgeot d'Arc | 9a5499b | 2008-11-11 23:04:59 +0000 | [diff] [blame] | 127 | # Test handling of non-ascii data |
Amaury Forgeot d'Arc | e255764 | 2008-11-12 00:59:11 +0000 | [diff] [blame] | 128 | if sys.getfilesystemencoding() != 'ascii': |
| 129 | command = "assert(ord('\xe9') == 0xe9)" |
| 130 | self.assertEqual( |
| 131 | self.exit_code('-c', command), |
| 132 | 0) |
Amaury Forgeot d'Arc | 9a5499b | 2008-11-11 23:04:59 +0000 | [diff] [blame] | 133 | |
Antoine Pitrou | 0560843 | 2009-01-09 18:53:14 +0000 | [diff] [blame] | 134 | def test_unbuffered_output(self): |
| 135 | # Test expected operation of the '-u' switch |
| 136 | for stream in ('stdout', 'stderr'): |
| 137 | # Binary is unbuffered |
| 138 | code = ("import os, sys; sys.%s.buffer.write(b'x'); os._exit(0)" |
| 139 | % stream) |
| 140 | data, rc = self.start_python_and_exit_code('-u', '-c', code) |
| 141 | self.assertEqual(rc, 0) |
| 142 | self.assertEqual(data, b'x', "binary %s not unbuffered" % stream) |
| 143 | # Text is line-buffered |
| 144 | code = ("import os, sys; sys.%s.write('x\\n'); os._exit(0)" |
| 145 | % stream) |
| 146 | data, rc = self.start_python_and_exit_code('-u', '-c', code) |
| 147 | self.assertEqual(rc, 0) |
| 148 | self.assertEqual(data.strip(), b'x', |
| 149 | "text %s not line-buffered" % stream) |
| 150 | |
Antoine Pitrou | 27fe9fc | 2009-01-26 21:48:00 +0000 | [diff] [blame] | 151 | def test_unbuffered_input(self): |
| 152 | # sys.stdin still works with '-u' |
| 153 | code = ("import sys; sys.stdout.write(sys.stdin.read(1))") |
Nick Coghlan | 260bd3e | 2009-11-16 06:49:25 +0000 | [diff] [blame^] | 154 | p = spawn_python('-u', '-c', code) |
Antoine Pitrou | 27fe9fc | 2009-01-26 21:48:00 +0000 | [diff] [blame] | 155 | p.stdin.write(b'x') |
| 156 | p.stdin.flush() |
| 157 | data, rc = _kill_python_and_exit_code(p) |
| 158 | self.assertEqual(rc, 0) |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 159 | self.assertTrue(data.startswith(b'x'), data) |
Antoine Pitrou | 27fe9fc | 2009-01-26 21:48:00 +0000 | [diff] [blame] | 160 | |
Amaury Forgeot d'Arc | 66f8c43 | 2009-06-09 21:30:01 +0000 | [diff] [blame] | 161 | def test_large_PYTHONPATH(self): |
| 162 | with test.support.EnvironmentVarGuard() as env: |
| 163 | path1 = "ABCDE" * 100 |
| 164 | path2 = "FGHIJ" * 100 |
| 165 | env['PYTHONPATH'] = path1 + os.pathsep + path2 |
Nick Coghlan | 260bd3e | 2009-11-16 06:49:25 +0000 | [diff] [blame^] | 166 | p = _spawn_python_with_env('-S', '-c', |
| 167 | 'import sys; print(sys.path)') |
Amaury Forgeot d'Arc | 66f8c43 | 2009-06-09 21:30:01 +0000 | [diff] [blame] | 168 | stdout, _ = p.communicate() |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 169 | self.assertTrue(path1.encode('ascii') in stdout) |
| 170 | self.assertTrue(path2.encode('ascii') in stdout) |
Amaury Forgeot d'Arc | 66f8c43 | 2009-06-09 21:30:01 +0000 | [diff] [blame] | 171 | |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 172 | |
Neal Norwitz | 11bd119 | 2005-10-03 00:54:56 +0000 | [diff] [blame] | 173 | def test_main(): |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 174 | test.support.run_unittest(CmdLineTest) |
| 175 | test.support.reap_children() |
Neal Norwitz | 11bd119 | 2005-10-03 00:54:56 +0000 | [diff] [blame] | 176 | |
| 177 | if __name__ == "__main__": |
| 178 | test_main() |