Thread: [Jython-checkins] SF.net SVN: jython:[5082] branches/asm/Lib/test/test_pkgimport.py

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Revision: 5082
          http://jython.svn.sourceforge.net/jython/?rev=5082&view=rev
Author:   fwierzbicki
Date:     2008-08-05 22:39:04 +0000 (Tue, 05 Aug 2008)

Log Message:
-----------
Fix test_pkgimport for Jython (was deleting .pyc and .pyo files, now
deleted $py.class files on Jython).

Added Paths:
-----------
    branches/asm/Lib/test/test_pkgimport.py

Added: branches/asm/Lib/test/test_pkgimport.py
===================================================================

--- branches/asm/Lib/test/test_pkgimport.py	                        (rev 0)
+++ branches/asm/Lib/test/test_pkgimport.py	2008-08-05 22:39:04 UTC (rev 5082)
@@ -0,0 +1,89 @@
+import os, sys, string, random, tempfile, unittest
+
+from test.test_support import run_unittest, is_jython
+
+class TestImport(unittest.TestCase):
+
+    def __init__(self, *args, **kw):
+        self.package_name = 'PACKAGE_'
+        while sys.modules.has_key(self.package_name):
+            self.package_name += random.choose(string.letters)
+        self.module_name = self.package_name + '.foo'
+        unittest.TestCase.__init__(self, *args, **kw)
+
+    def remove_modules(self):
+        for module_name in (self.package_name, self.module_name):
+            if sys.modules.has_key(module_name):
+                del sys.modules[module_name]
+
+    def setUp(self):
+        self.test_dir = tempfile.mkdtemp()
+        sys.path.append(self.test_dir)
+        self.package_dir = os.path.join(self.test_dir,
+                                        self.package_name)
+        os.mkdir(self.package_dir)
+        open(os.path.join(self.package_dir, '__init__'+os.extsep+'py'), 'w')
+        self.module_path = os.path.join(self.package_dir, 'foo'+os.extsep+'py')
+
+    def tearDown(self):
+        for file in os.listdir(self.package_dir):
+            os.remove(os.path.join(self.package_dir, file))
+        os.rmdir(self.package_dir)
+        os.rmdir(self.test_dir)
+        self.assertNotEqual(sys.path.count(self.test_dir), 0)
+        sys.path.remove(self.test_dir)
+        self.remove_modules()
+
+    def rewrite_file(self, contents):
+        if is_jython:
+            compiled_path = self.module_path.replace(".", "$") + ".class"
+            if os.path.exists(compiled_path):
+                os.remove(compiled_path)
+        else:
+            for extension in "co":
+                compiled_path = self.module_path + extension
+                if os.path.exists(compiled_path):
+                    os.remove(compiled_path)
+
+        f = open(self.module_path, 'w')
+        f.write(contents)
+        f.close()
+
+    def test_package_import__semantics(self):
+
+        # Generate a couple of broken modules to try importing.
+
+        # ...try loading the module when there's a SyntaxError
+        self.rewrite_file('for')
+        try: __import__(self.module_name)
+        except SyntaxError: pass
+        else: raise RuntimeError, 'Failed to induce SyntaxError'
+        self.assert_(not sys.modules.has_key(self.module_name) and
+                     not hasattr(sys.modules[self.package_name], 'foo'))
+
+        # ...make up a variable name that isn't bound in __builtins__
+        import __builtin__
+        var = 'a'
+        while var in dir(__builtin__):
+            var += random.choose(string.letters)
+
+        # ...make a module that just contains that
+        self.rewrite_file(var)
+
+        try: __import__(self.module_name)
+        except NameError: pass
+        else: raise RuntimeError, 'Failed to induce NameError.'
+
+        # ...now  change  the module  so  that  the NameError  doesn't
+        # happen
+        self.rewrite_file('%s = 1' % var)
+        module = __import__(self.module_name).foo
+        self.assertEqual(getattr(module, var), 1)
+
+
+def test_main():
+    run_unittest(TestImport)
+
+
+if __name__ == "__main__":
+    test_main()


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Thread: [Jython-checkins] SF.net SVN: jython:[5082] branches/asm/Lib/test/test_pkgimport.py

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