symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_cmd_line_script.py
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_cmd_line_script.py	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,183 @@
+# Tests command line execution of scripts
+
+import unittest
+import os
+import os.path
+import sys
+import test.test_support
+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
+
+@contextlib.contextmanager
+def temp_dir():
+    dirname = tempfile.mkdtemp()
+    dirname = os.path.realpath(dirname)
+    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__
+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):
+    script_filename = script_basename+os.extsep+'py'
+    script_name = os.path.join(script_dir, script_filename)
+    script_file = open(script_name, 'w')
+    script_file.write(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.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
+
+def _make_test_pkg(pkg_dir):
+    os.mkdir(pkg_dir)
+    _make_test_script(pkg_dir, '__init__', '')
+
+# 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[0:0] = os.path.dirname(__file__)
+runpy._run_module_as_main(%r)
+"""
+
+def _make_launch_script(script_dir, script_basename, module_name):
+    return _make_test_script(script_dir, script_basename,
+                             launch_source % module_name)
+
+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.assert_(printed_file in data)
+        self.assert_(printed_package in data)
+        self.assert_(printed_argv0 in 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_test_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_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_module_in_package(self):
+        with temp_dir() as script_dir:
+            pkg_dir = os.path.join(script_dir, 'test_pkg')
+            _make_test_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_main():
+    test.test_support.run_unittest(CmdLineTest)
+    test.test_support.reap_children()
+
+if __name__ == '__main__':
+    test_main()