add hg and python

sys/lib/python/test/test_cmd_line.py

@@ -0,0 +1,93 @@
+
+import test.test_support, unittest
+import sys
+import popen2
+import subprocess
+
+class CmdLineTest(unittest.TestCase):
+    def start_python(self, cmd_line):
+        outfp, infp = popen2.popen4('"%s" %s' % (sys.executable, cmd_line))
+        infp.close()
+        data = outfp.read()
+        outfp.close()
+        # try to cleanup the child so we don't appear to leak when running
+        # with regrtest -R.  This should be a no-op on Windows.
+        popen2._cleanup()
+        return data
+
+    def exit_code(self, *args):
+        cmd_line = [sys.executable]
+        cmd_line.extend(args)
+        return subprocess.call(cmd_line, stdout=subprocess.PIPE,
+                                         stderr=subprocess.PIPE)
+
+    def test_directories(self):
+        self.assertNotEqual(self.exit_code('.'), 0)
+        self.assertNotEqual(self.exit_code('< .'), 0)
+
+    def verify_valid_flag(self, cmd_line):
+        data = self.start_python(cmd_line)
+        self.assertTrue(data == '' or data.endswith('\n'))
+        self.assertTrue('Traceback' not in data)
+
+    def test_environment(self):
+        self.verify_valid_flag('-E')
+
+    def test_optimize(self):
+        self.verify_valid_flag('-O')
+        self.verify_valid_flag('-OO')
+
+    def test_q(self):
+        self.verify_valid_flag('-Qold')
+        self.verify_valid_flag('-Qnew')
+        self.verify_valid_flag('-Qwarn')
+        self.verify_valid_flag('-Qwarnall')
+
+    def test_site_flag(self):
+        self.verify_valid_flag('-S')
+
+    def test_usage(self):
+        self.assertTrue('usage' in self.start_python('-h'))
+
+    def test_version(self):
+        version = 'Python %d.%d' % sys.version_info[:2]
+        self.assertTrue(self.start_python('-V').startswith(version))
+
+    def test_run_module(self):
+        # Test expected operation of the '-m' switch
+        # Switch needs an argument
+        self.assertNotEqual(self.exit_code('-m'), 0)
+        # Check we get an error for a nonexistent module
+        self.assertNotEqual(
+            self.exit_code('-m', 'fnord43520xyz'),
+            0)
+        # Check the runpy module also gives an error for
+        # a nonexistent module
+        self.assertNotEqual(
+            self.exit_code('-m', 'runpy', 'fnord43520xyz'),
+            0)
+        # All good if module is located and run successfully
+        self.assertEqual(
+            self.exit_code('-m', 'timeit', '-n', '1'),
+            0)
+
+    def test_run_code(self):
+        # Test expected operation of the '-c' switch
+        # Switch needs an argument
+        self.assertNotEqual(self.exit_code('-c'), 0)
+        # Check we get an error for an uncaught exception
+        self.assertNotEqual(
+            self.exit_code('-c', 'raise Exception'),
+            0)
+        # All good if execution is successful
+        self.assertEqual(
+            self.exit_code('-c', 'pass'),
+            0)
+
+
+def test_main():
+    test.test_support.run_unittest(CmdLineTest)
+    test.test_support.reap_children()
+
+if __name__ == "__main__":
+    test_main()