[Jython-checkins] jython: from:

[frank.wierzbicki]

http://hg.python.org/jython/rev/a660f4609665
changeset:   6765:a660f4609665
user:        Frank Wierzbicki <fwierzbicki at gmail.com>
date:        Wed Jun 27 19:42:38 2012 -0700
summary:
  from:
http://hg.python.org/cpython/Lib/test/test_pkgutil.py@22db03646d9b

files:
  Lib/test/test_pkgutil.py |  141 +++++++++++++++++++++++++++
  1 files changed, 141 insertions(+), 0 deletions(-)


diff --git a/Lib/test/test_pkgutil.py b/Lib/test/test_pkgutil.py
new file mode 100644
--- /dev/null
+++ b/Lib/test/test_pkgutil.py
@@ -0,0 +1,141 @@
+from test.test_support import run_unittest
+import unittest
+import sys
+import imp
+import pkgutil
+import os
+import os.path
+import tempfile
+import shutil
+import zipfile
+
+
+
+class PkgutilTests(unittest.TestCase):
+
+    def setUp(self):
+        self.dirname = tempfile.mkdtemp()
+        self.addCleanup(shutil.rmtree, self.dirname)
+        sys.path.insert(0, self.dirname)
+
+    def tearDown(self):
+        del sys.path[0]
+
+    def test_getdata_filesys(self):
+        pkg = 'test_getdata_filesys'
+
+        # Include a LF and a CRLF, to test that binary data is read back
+        RESOURCE_DATA = 'Hello, world!\nSecond line\r\nThird line'
+
+        # Make a package with some resources
+        package_dir = os.path.join(self.dirname, pkg)
+        os.mkdir(package_dir)
+        # Empty init.py
+        f = open(os.path.join(package_dir, '__init__.py'), "wb")
+        f.close()
+        # Resource files, res.txt, sub/res.txt
+        f = open(os.path.join(package_dir, 'res.txt'), "wb")
+        f.write(RESOURCE_DATA)
+        f.close()
+        os.mkdir(os.path.join(package_dir, 'sub'))
+        f = open(os.path.join(package_dir, 'sub', 'res.txt'), "wb")
+        f.write(RESOURCE_DATA)
+        f.close()
+
+        # Check we can read the resources
+        res1 = pkgutil.get_data(pkg, 'res.txt')
+        self.assertEqual(res1, RESOURCE_DATA)
+        res2 = pkgutil.get_data(pkg, 'sub/res.txt')
+        self.assertEqual(res2, RESOURCE_DATA)
+
+        del sys.modules[pkg]
+
+    def test_getdata_zipfile(self):
+        zip = 'test_getdata_zipfile.zip'
+        pkg = 'test_getdata_zipfile'
+
+        # Include a LF and a CRLF, to test that binary data is read back
+        RESOURCE_DATA = 'Hello, world!\nSecond line\r\nThird line'
+
+        # Make a package with some resources
+        zip_file = os.path.join(self.dirname, zip)
+        z = zipfile.ZipFile(zip_file, 'w')
+
+        # Empty init.py
+        z.writestr(pkg + '/__init__.py', "")
+        # Resource files, res.txt, sub/res.txt
+        z.writestr(pkg + '/res.txt', RESOURCE_DATA)
+        z.writestr(pkg + '/sub/res.txt', RESOURCE_DATA)
+        z.close()
+
+        # Check we can read the resources
+        sys.path.insert(0, zip_file)
+        res1 = pkgutil.get_data(pkg, 'res.txt')
+        self.assertEqual(res1, RESOURCE_DATA)
+        res2 = pkgutil.get_data(pkg, 'sub/res.txt')
+        self.assertEqual(res2, RESOURCE_DATA)
+        del sys.path[0]
+
+        del sys.modules[pkg]
+
+    def test_unreadable_dir_on_syspath(self):
+        # issue7367 - walk_packages failed if unreadable dir on sys.path
+        package_name = "unreadable_package"
+        d = os.path.join(self.dirname, package_name)
+        # this does not appear to create an unreadable dir on Windows
+        #   but the test should not fail anyway
+        os.mkdir(d, 0)
+        self.addCleanup(os.rmdir, d)
+        for t in pkgutil.walk_packages(path=[self.dirname]):
+            self.fail("unexpected package found")
+
+class PkgutilPEP302Tests(unittest.TestCase):
+
+    class MyTestLoader(object):
+        def load_module(self, fullname):
+            # Create an empty module
+            mod = sys.modules.setdefault(fullname, imp.new_module(fullname))
+            mod.__file__ = "<%s>" % self.__class__.__name__
+            mod.__loader__ = self
+            # Make it a package
+            mod.__path__ = []
+            # Count how many times the module is reloaded
+            mod.__dict__['loads'] = mod.__dict__.get('loads',0) + 1
+            return mod
+
+        def get_data(self, path):
+            return "Hello, world!"
+
+    class MyTestImporter(object):
+        def find_module(self, fullname, path=None):
+            return PkgutilPEP302Tests.MyTestLoader()
+
+    def setUp(self):
+        sys.meta_path.insert(0, self.MyTestImporter())
+
+    def tearDown(self):
+        del sys.meta_path[0]
+
+    def test_getdata_pep302(self):
+        # Use a dummy importer/loader
+        self.assertEqual(pkgutil.get_data('foo', 'dummy'), "Hello, world!")
+        del sys.modules['foo']
+
+    def test_alreadyloaded(self):
+        # Ensure that get_data works without reloading - the "loads" module
+        # variable in the example loader should count how many times a reload
+        # occurs.
+        import foo
+        self.assertEqual(foo.loads, 1)
+        self.assertEqual(pkgutil.get_data('foo', 'dummy'), "Hello, world!")
+        self.assertEqual(foo.loads, 1)
+        del sys.modules['foo']
+
+def test_main():
+    run_unittest(PkgutilTests, PkgutilPEP302Tests)
+    # this is necessary if test is run repeated (like when finding leaks)
+    import zipimport
+    zipimport._zip_directory_cache.clear()
+
+if __name__ == '__main__':
+    test_main()

-- 
Repository URL: http://hg.python.org/jython