1 files changed, 213 insertions, 0 deletions
diff --git a/src/python/stdlib/test/test_cmd_line_script.py b/src/python/stdlib/test/test_cmd_line_script.py
new file mode 100644
index 0000000..099471f
--- /dev/null
+++ b/src/python/stdlib/test/test_cmd_line_script.py
@@ -0,0 +1,213 @@
+# Tests command line execution of scripts
+
+import unittest
+import os
+import os.path
+import test.test_support
+from test.script_helper import (run_python,
+                                temp_dir, make_script, compile_script,
+                                make_pkg, make_zip_script, make_zip_pkg)
+
+verbose = test.test_support.verbose
+
+
+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__
+print '__package__==%r' % __package__
+# 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, source=test_source):
+    return make_script(script_dir, script_basename, source)
+
+def _make_test_zip_pkg(zip_dir, zip_basename, pkg_name, script_basename,
+                       source=test_source, depth=1):
+    return make_zip_pkg(zip_dir, zip_basename, pkg_name, script_basename,
+                        source, depth)
+
+# There's no easy way to pass the script directory in to get
+# -m to work (avoiding that is the whole point of making
+# directories and zipfiles executable!)
+# So we fake it for testing purposes with a custom launch script
+launch_source = """\
+import sys, os.path, runpy
+sys.path.insert(0, %s)
+runpy._run_module_as_main(%r)
+"""
+
+def _make_launch_script(script_dir, script_basename, module_name, path=None):
+    if path is None:
+        path = "os.path.dirname(__file__)"
+    else:
+        path = repr(path)
+    source = launch_source % (path, module_name)
+    return make_script(script_dir, script_basename, source)
+
+class CmdLineTest(unittest.TestCase):
+    def _check_script(self, script_name, expected_file,
+                            expected_argv0, expected_package,
+                            *cmd_line_switches):
+        run_args = cmd_line_switches + (script_name,)
+        exit_code, data = run_python(*run_args)
+        if verbose:
+            print 'Output from test script %r:' % script_name
+            print data
+        self.assertEqual(exit_code, 0)
+        printed_file = '__file__==%r' % expected_file
+        printed_argv0 = 'sys.argv[0]==%r' % expected_argv0
+        printed_package = '__package__==%r' % expected_package
+        if verbose:
+            print 'Expected output:'
+            print printed_file
+            print printed_package
+            print printed_argv0
+        self.assertIn(printed_file, data)
+        self.assertIn(printed_package, data)
+        self.assertIn(printed_argv0, data)
+
+    def _check_import_error(self, script_name, expected_msg,
+                            *cmd_line_switches):
+        run_args = cmd_line_switches + (script_name,)
+        exit_code, data = run_python(*run_args)
+        if verbose:
+            print 'Output from test script %r:' % script_name
+            print data
+            print 'Expected output: %r' % expected_msg
+        self.assertIn(expected_msg, 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, None)
+
+    def test_script_compiled(self):
+        with temp_dir() as script_dir:
+            script_name = _make_test_script(script_dir, 'script')
+            compiled_name = compile_script(script_name)
+            os.remove(script_name)
+            self._check_script(compiled_name, compiled_name, compiled_name, None)
+
+    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_script(script_name)
+            os.remove(script_name)
+            self._check_script(script_dir, compiled_name, script_dir, '')
+
+    def test_directory_error(self):
+        with temp_dir() as script_dir:
+            msg = "can't find '__main__' module in %r" % script_dir
+            self._check_import_error(script_dir, msg)
+
+    def test_zipfile(self):
+        with temp_dir() as script_dir:
+            script_name = _make_test_script(script_dir, '__main__')
+            zip_name, run_name = make_zip_script(script_dir, 'test_zip', script_name)
+            self._check_script(zip_name, run_name, zip_name, '')
+
+    def test_zipfile_compiled(self):
+        with temp_dir() as script_dir:
+            script_name = _make_test_script(script_dir, '__main__')
+            compiled_name = compile_script(script_name)
+            zip_name, run_name = make_zip_script(script_dir, 'test_zip', compiled_name)
+            self._check_script(zip_name, run_name, zip_name, '')
+
+    def test_zipfile_error(self):
+        with temp_dir() as script_dir:
+            script_name = _make_test_script(script_dir, 'not_main')
+            zip_name, run_name = make_zip_script(script_dir, 'test_zip', script_name)
+            msg = "can't find '__main__' module in %r" % zip_name
+            self._check_import_error(zip_name, msg)
+
+    def test_module_in_package(self):
+        with temp_dir() as script_dir:
+            pkg_dir = os.path.join(script_dir, 'test_pkg')
+            make_pkg(pkg_dir)
+            script_name = _make_test_script(pkg_dir, 'script')
+            launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg.script')
+            self._check_script(launch_name, script_name, script_name, 'test_pkg')
+
+    def test_module_in_package_in_zipfile(self):
+        with temp_dir() as script_dir:
+            zip_name, run_name = _make_test_zip_pkg(script_dir, 'test_zip', 'test_pkg', 'script')
+            launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg.script', zip_name)
+            self._check_script(launch_name, run_name, run_name, 'test_pkg')
+
+    def test_module_in_subpackage_in_zipfile(self):
+        with temp_dir() as script_dir:
+            zip_name, run_name = _make_test_zip_pkg(script_dir, 'test_zip', 'test_pkg', 'script', depth=2)
+            launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg.test_pkg.script', zip_name)
+            self._check_script(launch_name, run_name, run_name, 'test_pkg.test_pkg')
+
+    def test_package(self):
+        with temp_dir() as script_dir:
+            pkg_dir = os.path.join(script_dir, 'test_pkg')
+            make_pkg(pkg_dir)
+            script_name = _make_test_script(pkg_dir, '__main__')
+            launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg')
+            self._check_script(launch_name, script_name,
+                               script_name, 'test_pkg')
+
+    def test_package_compiled(self):
+        with temp_dir() as script_dir:
+            pkg_dir = os.path.join(script_dir, 'test_pkg')
+            make_pkg(pkg_dir)
+            script_name = _make_test_script(pkg_dir, '__main__')
+            compiled_name = compile_script(script_name)
+            os.remove(script_name)
+            launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg')
+            self._check_script(launch_name, compiled_name,
+                               compiled_name, 'test_pkg')
+
+    def test_package_error(self):
+        with temp_dir() as script_dir:
+            pkg_dir = os.path.join(script_dir, 'test_pkg')
+            make_pkg(pkg_dir)
+            msg = ("'test_pkg' is a package and cannot "
+                   "be directly executed")
+            launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg')
+            self._check_import_error(launch_name, msg)
+
+    def test_package_recursion(self):
+        with temp_dir() as script_dir:
+            pkg_dir = os.path.join(script_dir, 'test_pkg')
+            make_pkg(pkg_dir)
+            main_dir = os.path.join(pkg_dir, '__main__')
+            make_pkg(main_dir)
+            msg = ("Cannot use package as __main__ module; "
+                   "'test_pkg' is a package and cannot "
+                   "be directly executed")
+            launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg')
+            self._check_import_error(launch_name, msg)
+
+
+def test_main():
+    test.test_support.run_unittest(CmdLineTest)
+    test.test_support.reap_children()
+
+if __name__ == '__main__':
+    test_main()