1 files changed, 145 insertions, 0 deletions
diff --git a/Lib/test/test_cmd_line_script.py b/Lib/test/test_cmd_line_script.py
new file mode 100644
index 0000000..8490540
--- /dev/null
+++ b/Lib/test/test_cmd_line_script.py
@@ -0,0 +1,145 @@
+# Tests command line execution of scripts
+from __future__ import with_statement
+
+import unittest
+import os
+import os.path
+import sys
+import test
+import tempfile
+import subprocess
+import py_compile
+import contextlib
+import shutil
+import zipfile
+
+verbose = test.test_support.verbose
+
+# XXX ncoghlan: Should we consider moving these to test_support?
+from .test_cmd_line import _spawn_python, _kill_python
+
+def _run_python(*args):
+    if __debug__:
+        p = _spawn_python(*args)
+    else:
+        p = _spawn_python('-O', *args)
+    stdout_data = _kill_python(p)
+    return p.wait(), stdout_data.decode()
+
+@contextlib.contextmanager
+def temp_dir():
+    dirname = tempfile.mkdtemp()
+    try:
+        yield dirname
+    finally:
+        shutil.rmtree(dirname)
+
+test_source = ("""\
+# Script may be run with optimisation enabled, so don't rely on assert
+# statements being executed
+def assertEqual(lhs, rhs):
+    if lhs != rhs:
+        raise AssertionError("%r != %r" % (lhs, rhs))
+def assertIdentical(lhs, rhs):
+    if lhs is not rhs:
+        raise AssertionError("%r is not %r" % (lhs, rhs))
+# Check basic code execution
+result = ['Top level assignment']
+def f():
+    result.append('Lower level reference')
+f()
+assertEqual(result, ['Top level assignment', 'Lower level reference'])
+# Check population of magic variables
+assertEqual(__name__, '__main__')
+print('__file__==%r' % __file__)
+# Check the sys module
+import sys
+assertIdentical(globals(), sys.modules[__name__].__dict__)
+print('sys.argv[0]==%r' % sys.argv[0])
+""")
+
+def _make_test_script(script_dir, script_basename):
+    script_filename = script_basename+os.path.extsep+"py"
+    script_name = os.path.join(script_dir, script_filename)
+    script_file = open(script_name, "w")
+    script_file.write(test_source)
+    script_file.close()
+    return script_name
+
+def _compile_test_script(script_name):
+    py_compile.compile(script_name, doraise=True)
+    if __debug__:
+        compiled_name = script_name + 'c'
+    else:
+        compiled_name = script_name + 'o'
+    return compiled_name
+
+def _make_test_zip(zip_dir, zip_basename, script_name):
+    zip_filename = zip_basename+os.path.extsep+"zip"
+    zip_name = os.path.join(zip_dir, zip_filename)
+    zip_file = zipfile.ZipFile(zip_name, 'w')
+    zip_file.write(script_name, os.path.basename(script_name))
+    zip_file.close()
+    # if verbose:
+    #    zip_file = zipfile.ZipFile(zip_name, 'r')
+    #    print "Contents of %r:" % zip_name
+    #    zip_file.printdir()
+    #    zip_file.close()
+    return zip_name
+
+class CmdLineTest(unittest.TestCase):
+    def _check_script(self, script_name, expected_file, expected_argv0):
+        exit_code, data = _run_python(script_name)
+        # if verbose:
+        #    print "Output from test script %r:" % script_name
+        #    print data
+        self.assertEqual(exit_code, 0, data)
+        printed_file = '__file__==%r' % expected_file
+        printed_argv0 = 'sys.argv[0]==%r' % expected_argv0
+        self.assert_(printed_file in data, (printed_file, data))
+        self.assert_(printed_argv0 in data, (printed_argv0, data))
+
+    def test_basic_script(self):
+        with temp_dir() as script_dir:
+            script_name = _make_test_script(script_dir, "script")
+            self._check_script(script_name, script_name, script_name)
+
+    def test_script_compiled(self):
+        with temp_dir() as script_dir:
+            script_name = _make_test_script(script_dir, "script")
+            compiled_name = _compile_test_script(script_name)
+            os.remove(script_name)
+            self._check_script(compiled_name, compiled_name, compiled_name)
+
+    def test_directory(self):
+        with temp_dir() as script_dir:
+            script_name = _make_test_script(script_dir, "__main__")
+            self._check_script(script_dir, script_name, script_dir)
+
+    def test_directory_compiled(self):
+        with temp_dir() as script_dir:
+            script_name = _make_test_script(script_dir, "__main__")
+            compiled_name = _compile_test_script(script_name)
+            os.remove(script_name)
+            self._check_script(script_dir, compiled_name, script_dir)
+
+    def test_zipfile(self):
+        with temp_dir() as script_dir:
+            script_name = _make_test_script(script_dir, "__main__")
+            zip_name = _make_test_zip(script_dir, "test_zip", script_name)
+            self._check_script(zip_name, None, zip_name)
+
+    def test_zipfile_compiled(self):
+        with temp_dir() as script_dir:
+            script_name = _make_test_script(script_dir, "__main__")
+            compiled_name = _compile_test_script(script_name)
+            zip_name = _make_test_zip(script_dir, "test_zip", compiled_name)
+            self._check_script(zip_name, None, zip_name)
+
+
+def test_main():
+    test.test_support.run_unittest(CmdLineTest)
+    test.test_support.reap_children()
+
+if __name__ == "__main__":
+    test_main()