python-2.5.2/win32/Lib/test/test_os.py
changeset 0 ae805ac0140d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/python-2.5.2/win32/Lib/test/test_os.py	Fri Apr 03 17:19:34 2009 +0100
@@ -0,0 +1,448 @@
+# As a test suite for the os module, this is woefully inadequate, but this
+# does add tests for a few functions which have been determined to be more
+# portable than they had been thought to be.
+
+import os
+import unittest
+import warnings
+import sys
+from test import test_support
+
+warnings.filterwarnings("ignore", "tempnam", RuntimeWarning, __name__)
+warnings.filterwarnings("ignore", "tmpnam", RuntimeWarning, __name__)
+
+# Tests creating TESTFN
+class FileTests(unittest.TestCase):
+    def setUp(self):
+        if os.path.exists(test_support.TESTFN):
+            os.unlink(test_support.TESTFN)
+    tearDown = setUp
+
+    def test_access(self):
+        f = os.open(test_support.TESTFN, os.O_CREAT|os.O_RDWR)
+        os.close(f)
+        self.assert_(os.access(test_support.TESTFN, os.W_OK))
+
+
+class TemporaryFileTests(unittest.TestCase):
+    def setUp(self):
+        self.files = []
+        os.mkdir(test_support.TESTFN)
+
+    def tearDown(self):
+        for name in self.files:
+            os.unlink(name)
+        os.rmdir(test_support.TESTFN)
+
+    def check_tempfile(self, name):
+        # make sure it doesn't already exist:
+        self.failIf(os.path.exists(name),
+                    "file already exists for temporary file")
+        # make sure we can create the file
+        open(name, "w")
+        self.files.append(name)
+
+    def test_tempnam(self):
+        if not hasattr(os, "tempnam"):
+            return
+        warnings.filterwarnings("ignore", "tempnam", RuntimeWarning,
+                                r"test_os$")
+        self.check_tempfile(os.tempnam())
+
+        name = os.tempnam(test_support.TESTFN)
+        self.check_tempfile(name)
+
+        name = os.tempnam(test_support.TESTFN, "pfx")
+        self.assert_(os.path.basename(name)[:3] == "pfx")
+        self.check_tempfile(name)
+
+    def test_tmpfile(self):
+        if not hasattr(os, "tmpfile"):
+            return
+        fp = os.tmpfile()
+        fp.write("foobar")
+        fp.seek(0,0)
+        s = fp.read()
+        fp.close()
+        self.assert_(s == "foobar")
+
+    def test_tmpnam(self):
+        import sys
+        if not hasattr(os, "tmpnam"):
+            return
+        warnings.filterwarnings("ignore", "tmpnam", RuntimeWarning,
+                                r"test_os$")
+        name = os.tmpnam()
+        if sys.platform in ("win32",):
+            # The Windows tmpnam() seems useless.  From the MS docs:
+            #
+            #     The character string that tmpnam creates consists of
+            #     the path prefix, defined by the entry P_tmpdir in the
+            #     file STDIO.H, followed by a sequence consisting of the
+            #     digit characters '0' through '9'; the numerical value
+            #     of this string is in the range 1 - 65,535.  Changing the
+            #     definitions of L_tmpnam or P_tmpdir in STDIO.H does not
+            #     change the operation of tmpnam.
+            #
+            # The really bizarre part is that, at least under MSVC6,
+            # P_tmpdir is "\\".  That is, the path returned refers to
+            # the root of the current drive.  That's a terrible place to
+            # put temp files, and, depending on privileges, the user
+            # may not even be able to open a file in the root directory.
+            self.failIf(os.path.exists(name),
+                        "file already exists for temporary file")
+        else:
+            self.check_tempfile(name)
+
+# Test attributes on return values from os.*stat* family.
+class StatAttributeTests(unittest.TestCase):
+    def setUp(self):
+        os.mkdir(test_support.TESTFN)
+        self.fname = os.path.join(test_support.TESTFN, "f1")
+        f = open(self.fname, 'wb')
+        f.write("ABC")
+        f.close()
+
+    def tearDown(self):
+        os.unlink(self.fname)
+        os.rmdir(test_support.TESTFN)
+
+    def test_stat_attributes(self):
+        if not hasattr(os, "stat"):
+            return
+
+        import stat
+        result = os.stat(self.fname)
+
+        # Make sure direct access works
+        self.assertEquals(result[stat.ST_SIZE], 3)
+        self.assertEquals(result.st_size, 3)
+
+        import sys
+
+        # Make sure all the attributes are there
+        members = dir(result)
+        for name in dir(stat):
+            if name[:3] == 'ST_':
+                attr = name.lower()
+                if name.endswith("TIME"):
+                    def trunc(x): return int(x)
+                else:
+                    def trunc(x): return x
+                self.assertEquals(trunc(getattr(result, attr)),
+                                  result[getattr(stat, name)])
+                self.assert_(attr in members)
+
+        try:
+            result[200]
+            self.fail("No exception thrown")
+        except IndexError:
+            pass
+
+        # Make sure that assignment fails
+        try:
+            result.st_mode = 1
+            self.fail("No exception thrown")
+        except TypeError:
+            pass
+
+        try:
+            result.st_rdev = 1
+            self.fail("No exception thrown")
+        except (AttributeError, TypeError):
+            pass
+
+        try:
+            result.parrot = 1
+            self.fail("No exception thrown")
+        except AttributeError:
+            pass
+
+        # Use the stat_result constructor with a too-short tuple.
+        try:
+            result2 = os.stat_result((10,))
+            self.fail("No exception thrown")
+        except TypeError:
+            pass
+
+        # Use the constructr with a too-long tuple.
+        try:
+            result2 = os.stat_result((0,1,2,3,4,5,6,7,8,9,10,11,12,13,14))
+        except TypeError:
+            pass
+
+
+    def test_statvfs_attributes(self):
+        if not hasattr(os, "statvfs"):
+            return
+
+        import statvfs
+        try:
+            result = os.statvfs(self.fname)
+        except OSError, e:
+            # On AtheOS, glibc always returns ENOSYS
+            import errno
+            if e.errno == errno.ENOSYS:
+                return
+
+        # Make sure direct access works
+        self.assertEquals(result.f_bfree, result[statvfs.F_BFREE])
+
+        # Make sure all the attributes are there
+        members = dir(result)
+        for name in dir(statvfs):
+            if name[:2] == 'F_':
+                attr = name.lower()
+                self.assertEquals(getattr(result, attr),
+                                  result[getattr(statvfs, name)])
+                self.assert_(attr in members)
+
+        # Make sure that assignment really fails
+        try:
+            result.f_bfree = 1
+            self.fail("No exception thrown")
+        except TypeError:
+            pass
+
+        try:
+            result.parrot = 1
+            self.fail("No exception thrown")
+        except AttributeError:
+            pass
+
+        # Use the constructor with a too-short tuple.
+        try:
+            result2 = os.statvfs_result((10,))
+            self.fail("No exception thrown")
+        except TypeError:
+            pass
+
+        # Use the constructr with a too-long tuple.
+        try:
+            result2 = os.statvfs_result((0,1,2,3,4,5,6,7,8,9,10,11,12,13,14))
+        except TypeError:
+            pass
+
+    # Restrict test to Win32, since there is no guarantee other
+    # systems support centiseconds
+    if sys.platform == 'win32':
+        def get_file_system(path):
+            import os
+            root = os.path.splitdrive(os.path.realpath("."))[0] + '\\'
+            import ctypes
+            kernel32 = ctypes.windll.kernel32
+            buf = ctypes.create_string_buffer("", 100)
+            if kernel32.GetVolumeInformationA(root, None, 0, None, None, None, buf, len(buf)):
+                return buf.value
+
+        if get_file_system(test_support.TESTFN) == "NTFS":
+            def test_1565150(self):
+                t1 = 1159195039.25
+                os.utime(self.fname, (t1, t1))
+                self.assertEquals(os.stat(self.fname).st_mtime, t1)
+
+        def test_1686475(self):
+            # Verify that an open file can be stat'ed
+            try:
+                os.stat(r"c:\pagefile.sys")
+            except WindowsError, e:
+                if e == 2: # file does not exist; cannot run test
+                    return
+                self.fail("Could not stat pagefile.sys")
+
+from test import mapping_tests
+
+class EnvironTests(mapping_tests.BasicTestMappingProtocol):
+    """check that os.environ object conform to mapping protocol"""
+    type2test = None
+    def _reference(self):
+        return {"KEY1":"VALUE1", "KEY2":"VALUE2", "KEY3":"VALUE3"}
+    def _empty_mapping(self):
+        os.environ.clear()
+        return os.environ
+    def setUp(self):
+        self.__save = dict(os.environ)
+        os.environ.clear()
+    def tearDown(self):
+        os.environ.clear()
+        os.environ.update(self.__save)
+
+    # Bug 1110478
+    def test_update2(self):
+        if os.path.exists("/bin/sh"):
+            os.environ.update(HELLO="World")
+            value = os.popen("/bin/sh -c 'echo $HELLO'").read().strip()
+            self.assertEquals(value, "World")
+
+class WalkTests(unittest.TestCase):
+    """Tests for os.walk()."""
+
+    def test_traversal(self):
+        import os
+        from os.path import join
+
+        # Build:
+        #     TESTFN/               a file kid and two directory kids
+        #         tmp1
+        #         SUB1/             a file kid and a directory kid
+        #             tmp2
+        #             SUB11/        no kids
+        #         SUB2/             just a file kid
+        #             tmp3
+        sub1_path = join(test_support.TESTFN, "SUB1")
+        sub11_path = join(sub1_path, "SUB11")
+        sub2_path = join(test_support.TESTFN, "SUB2")
+        tmp1_path = join(test_support.TESTFN, "tmp1")
+        tmp2_path = join(sub1_path, "tmp2")
+        tmp3_path = join(sub2_path, "tmp3")
+
+        # Create stuff.
+        os.makedirs(sub11_path)
+        os.makedirs(sub2_path)
+        for path in tmp1_path, tmp2_path, tmp3_path:
+            f = file(path, "w")
+            f.write("I'm " + path + " and proud of it.  Blame test_os.\n")
+            f.close()
+
+        # Walk top-down.
+        all = list(os.walk(test_support.TESTFN))
+        self.assertEqual(len(all), 4)
+        # We can't know which order SUB1 and SUB2 will appear in.
+        # Not flipped:  TESTFN, SUB1, SUB11, SUB2
+        #     flipped:  TESTFN, SUB2, SUB1, SUB11
+        flipped = all[0][1][0] != "SUB1"
+        all[0][1].sort()
+        self.assertEqual(all[0], (test_support.TESTFN, ["SUB1", "SUB2"], ["tmp1"]))
+        self.assertEqual(all[1 + flipped], (sub1_path, ["SUB11"], ["tmp2"]))
+        self.assertEqual(all[2 + flipped], (sub11_path, [], []))
+        self.assertEqual(all[3 - 2 * flipped], (sub2_path, [], ["tmp3"]))
+
+        # Prune the search.
+        all = []
+        for root, dirs, files in os.walk(test_support.TESTFN):
+            all.append((root, dirs, files))
+            # Don't descend into SUB1.
+            if 'SUB1' in dirs:
+                # Note that this also mutates the dirs we appended to all!
+                dirs.remove('SUB1')
+        self.assertEqual(len(all), 2)
+        self.assertEqual(all[0], (test_support.TESTFN, ["SUB2"], ["tmp1"]))
+        self.assertEqual(all[1], (sub2_path, [], ["tmp3"]))
+
+        # Walk bottom-up.
+        all = list(os.walk(test_support.TESTFN, topdown=False))
+        self.assertEqual(len(all), 4)
+        # We can't know which order SUB1 and SUB2 will appear in.
+        # Not flipped:  SUB11, SUB1, SUB2, TESTFN
+        #     flipped:  SUB2, SUB11, SUB1, TESTFN
+        flipped = all[3][1][0] != "SUB1"
+        all[3][1].sort()
+        self.assertEqual(all[3], (test_support.TESTFN, ["SUB1", "SUB2"], ["tmp1"]))
+        self.assertEqual(all[flipped], (sub11_path, [], []))
+        self.assertEqual(all[flipped + 1], (sub1_path, ["SUB11"], ["tmp2"]))
+        self.assertEqual(all[2 - 2 * flipped], (sub2_path, [], ["tmp3"]))
+
+        # Tear everything down.  This is a decent use for bottom-up on
+        # Windows, which doesn't have a recursive delete command.  The
+        # (not so) subtlety is that rmdir will fail unless the dir's
+        # kids are removed first, so bottom up is essential.
+        for root, dirs, files in os.walk(test_support.TESTFN, topdown=False):
+            for name in files:
+                os.remove(join(root, name))
+            for name in dirs:
+                os.rmdir(join(root, name))
+        os.rmdir(test_support.TESTFN)
+
+class MakedirTests (unittest.TestCase):
+    def setUp(self):
+        os.mkdir(test_support.TESTFN)
+
+    def test_makedir(self):
+        base = test_support.TESTFN
+        path = os.path.join(base, 'dir1', 'dir2', 'dir3')
+        os.makedirs(path)             # Should work
+        path = os.path.join(base, 'dir1', 'dir2', 'dir3', 'dir4')
+        os.makedirs(path)
+
+        # Try paths with a '.' in them
+        self.failUnlessRaises(OSError, os.makedirs, os.curdir)
+        path = os.path.join(base, 'dir1', 'dir2', 'dir3', 'dir4', 'dir5', os.curdir)
+        os.makedirs(path)
+        path = os.path.join(base, 'dir1', os.curdir, 'dir2', 'dir3', 'dir4',
+                            'dir5', 'dir6')
+        os.makedirs(path)
+
+
+
+
+    def tearDown(self):
+        path = os.path.join(test_support.TESTFN, 'dir1', 'dir2', 'dir3',
+                            'dir4', 'dir5', 'dir6')
+        # If the tests failed, the bottom-most directory ('../dir6')
+        # may not have been created, so we look for the outermost directory
+        # that exists.
+        while not os.path.exists(path) and path != test_support.TESTFN:
+            path = os.path.dirname(path)
+
+        os.removedirs(path)
+
+class DevNullTests (unittest.TestCase):
+    def test_devnull(self):
+        f = file(os.devnull, 'w')
+        f.write('hello')
+        f.close()
+        f = file(os.devnull, 'r')
+        self.assertEqual(f.read(), '')
+        f.close()
+
+class URandomTests (unittest.TestCase):
+    def test_urandom(self):
+        try:
+            self.assertEqual(len(os.urandom(1)), 1)
+            self.assertEqual(len(os.urandom(10)), 10)
+            self.assertEqual(len(os.urandom(100)), 100)
+            self.assertEqual(len(os.urandom(1000)), 1000)
+        except NotImplementedError:
+            pass
+
+class Win32ErrorTests(unittest.TestCase):
+    def test_rename(self):
+        self.assertRaises(WindowsError, os.rename, test_support.TESTFN, test_support.TESTFN+".bak")
+
+    def test_remove(self):
+        self.assertRaises(WindowsError, os.remove, test_support.TESTFN)
+
+    def test_chdir(self):
+        self.assertRaises(WindowsError, os.chdir, test_support.TESTFN)
+
+    def test_mkdir(self):
+        self.assertRaises(WindowsError, os.chdir, test_support.TESTFN)
+
+    def test_utime(self):
+        self.assertRaises(WindowsError, os.utime, test_support.TESTFN, None)
+
+    def test_access(self):
+        self.assertRaises(WindowsError, os.utime, test_support.TESTFN, 0)
+
+    def test_chmod(self):
+        self.assertRaises(WindowsError, os.utime, test_support.TESTFN, 0)
+
+if sys.platform != 'win32':
+    class Win32ErrorTests(unittest.TestCase):
+        pass
+
+def test_main():
+    test_support.run_unittest(
+        FileTests,
+        TemporaryFileTests,
+        StatAttributeTests,
+        EnvironTests,
+        WalkTests,
+        MakedirTests,
+        DevNullTests,
+        URandomTests,
+        Win32ErrorTests
+    )
+
+if __name__ == "__main__":
+    test_main()