add hg and python

sys/lib/python/test/test_urllib.py

@@ -0,0 +1,560 @@
+"""Regresssion tests for urllib"""
+
+import urllib
+import httplib
+import unittest
+from test import test_support
+import os
+import mimetools
+import tempfile
+import StringIO
+
+def hexescape(char):
+    """Escape char as RFC 2396 specifies"""
+    hex_repr = hex(ord(char))[2:].upper()
+    if len(hex_repr) == 1:
+        hex_repr = "0%s" % hex_repr
+    return "%" + hex_repr
+
+class urlopen_FileTests(unittest.TestCase):
+    """Test urlopen() opening a temporary file.
+
+    Try to test as much functionality as possible so as to cut down on reliance
+    on connecting to the Net for testing.
+
+    """
+
+    def setUp(self):
+        """Setup of a temp file to use for testing"""
+        self.text = "test_urllib: %s\n" % self.__class__.__name__
+        FILE = file(test_support.TESTFN, 'wb')
+        try:
+            FILE.write(self.text)
+        finally:
+            FILE.close()
+        self.pathname = test_support.TESTFN
+        self.returned_obj = urllib.urlopen("file:%s" % self.pathname)
+
+    def tearDown(self):
+        """Shut down the open object"""
+        self.returned_obj.close()
+        os.remove(test_support.TESTFN)
+
+    def test_interface(self):
+        # Make sure object returned by urlopen() has the specified methods
+        for attr in ("read", "readline", "readlines", "fileno",
+                     "close", "info", "geturl", "__iter__"):
+            self.assert_(hasattr(self.returned_obj, attr),
+                         "object returned by urlopen() lacks %s attribute" %
+                         attr)
+
+    def test_read(self):
+        self.assertEqual(self.text, self.returned_obj.read())
+
+    def test_readline(self):
+        self.assertEqual(self.text, self.returned_obj.readline())
+        self.assertEqual('', self.returned_obj.readline(),
+                         "calling readline() after exhausting the file did not"
+                         " return an empty string")
+
+    def test_readlines(self):
+        lines_list = self.returned_obj.readlines()
+        self.assertEqual(len(lines_list), 1,
+                         "readlines() returned the wrong number of lines")
+        self.assertEqual(lines_list[0], self.text,
+                         "readlines() returned improper text")
+
+    def test_fileno(self):
+        file_num = self.returned_obj.fileno()
+        self.assert_(isinstance(file_num, int),
+                     "fileno() did not return an int")
+        self.assertEqual(os.read(file_num, len(self.text)), self.text,
+                         "Reading on the file descriptor returned by fileno() "
+                         "did not return the expected text")
+
+    def test_close(self):
+        # Test close() by calling it hear and then having it be called again
+        # by the tearDown() method for the test
+        self.returned_obj.close()
+
+    def test_info(self):
+        self.assert_(isinstance(self.returned_obj.info(), mimetools.Message))
+
+    def test_geturl(self):
+        self.assertEqual(self.returned_obj.geturl(), self.pathname)
+
+    def test_iter(self):
+        # Test iterator
+        # Don't need to count number of iterations since test would fail the
+        # instant it returned anything beyond the first line from the
+        # comparison
+        for line in self.returned_obj.__iter__():
+            self.assertEqual(line, self.text)
+
+class urlopen_HttpTests(unittest.TestCase):
+    """Test urlopen() opening a fake http connection."""
+
+    def fakehttp(self, fakedata):
+        class FakeSocket(StringIO.StringIO):
+            def sendall(self, str): pass
+            def makefile(self, mode, name): return self
+            def read(self, amt=None):
+                if self.closed: return ''
+                return StringIO.StringIO.read(self, amt)
+            def readline(self, length=None):
+                if self.closed: return ''
+                return StringIO.StringIO.readline(self, length)
+        class FakeHTTPConnection(httplib.HTTPConnection):
+            def connect(self):
+                self.sock = FakeSocket(fakedata)
+        assert httplib.HTTP._connection_class == httplib.HTTPConnection
+        httplib.HTTP._connection_class = FakeHTTPConnection
+
+    def unfakehttp(self):
+        httplib.HTTP._connection_class = httplib.HTTPConnection
+
+    def test_read(self):
+        self.fakehttp('Hello!')
+        try:
+            fp = urllib.urlopen("http://python.org/")
+            self.assertEqual(fp.readline(), 'Hello!')
+            self.assertEqual(fp.readline(), '')
+        finally:
+            self.unfakehttp()
+
+    def test_empty_socket(self):
+        """urlopen() raises IOError if the underlying socket does not send any
+        data. (#1680230) """
+        self.fakehttp('')
+        try:
+            self.assertRaises(IOError, urllib.urlopen, 'http://something')
+        finally:
+            self.unfakehttp()
+
+class urlretrieve_FileTests(unittest.TestCase):
+    """Test urllib.urlretrieve() on local files"""
+
+    def setUp(self):
+        # Create a list of temporary files. Each item in the list is a file
+        # name (absolute path or relative to the current working directory).
+        # All files in this list will be deleted in the tearDown method. Note,
+        # this only helps to makes sure temporary files get deleted, but it
+        # does nothing about trying to close files that may still be open. It
+        # is the responsibility of the developer to properly close files even
+        # when exceptional conditions occur.
+        self.tempFiles = []
+
+        # Create a temporary file.
+        self.registerFileForCleanUp(test_support.TESTFN)
+        self.text = 'testing urllib.urlretrieve'
+        try:
+            FILE = file(test_support.TESTFN, 'wb')
+            FILE.write(self.text)
+            FILE.close()
+        finally:
+            try: FILE.close()
+            except: pass
+
+    def tearDown(self):
+        # Delete the temporary files.
+        for each in self.tempFiles:
+            try: os.remove(each)
+            except: pass
+
+    def constructLocalFileUrl(self, filePath):
+        return "file://%s" % urllib.pathname2url(os.path.abspath(filePath))
+
+    def createNewTempFile(self, data=""):
+        """Creates a new temporary file containing the specified data,
+        registers the file for deletion during the test fixture tear down, and
+        returns the absolute path of the file."""
+
+        newFd, newFilePath = tempfile.mkstemp()
+        try:
+            self.registerFileForCleanUp(newFilePath)
+            newFile = os.fdopen(newFd, "wb")
+            newFile.write(data)
+            newFile.close()
+        finally:
+            try: newFile.close()
+            except: pass
+        return newFilePath
+
+    def registerFileForCleanUp(self, fileName):
+        self.tempFiles.append(fileName)
+
+    def test_basic(self):
+        # Make sure that a local file just gets its own location returned and
+        # a headers value is returned.
+        result = urllib.urlretrieve("file:%s" % test_support.TESTFN)
+        self.assertEqual(result[0], test_support.TESTFN)
+        self.assert_(isinstance(result[1], mimetools.Message),
+                     "did not get a mimetools.Message instance as second "
+                     "returned value")
+
+    def test_copy(self):
+        # Test that setting the filename argument works.
+        second_temp = "%s.2" % test_support.TESTFN
+        self.registerFileForCleanUp(second_temp)
+        result = urllib.urlretrieve(self.constructLocalFileUrl(
+            test_support.TESTFN), second_temp)
+        self.assertEqual(second_temp, result[0])
+        self.assert_(os.path.exists(second_temp), "copy of the file was not "
+                                                  "made")
+        FILE = file(second_temp, 'rb')
+        try:
+            text = FILE.read()
+            FILE.close()
+        finally:
+            try: FILE.close()
+            except: pass
+        self.assertEqual(self.text, text)
+
+    def test_reporthook(self):
+        # Make sure that the reporthook works.
+        def hooktester(count, block_size, total_size, count_holder=[0]):
+            self.assert_(isinstance(count, int))
+            self.assert_(isinstance(block_size, int))
+            self.assert_(isinstance(total_size, int))
+            self.assertEqual(count, count_holder[0])
+            count_holder[0] = count_holder[0] + 1
+        second_temp = "%s.2" % test_support.TESTFN
+        self.registerFileForCleanUp(second_temp)
+        urllib.urlretrieve(self.constructLocalFileUrl(test_support.TESTFN),
+            second_temp, hooktester)
+
+    def test_reporthook_0_bytes(self):
+        # Test on zero length file. Should call reporthook only 1 time.
+        report = []
+        def hooktester(count, block_size, total_size, _report=report):
+            _report.append((count, block_size, total_size))
+        srcFileName = self.createNewTempFile()
+        urllib.urlretrieve(self.constructLocalFileUrl(srcFileName),
+            test_support.TESTFN, hooktester)
+        self.assertEqual(len(report), 1)
+        self.assertEqual(report[0][2], 0)
+
+    def test_reporthook_5_bytes(self):
+        # Test on 5 byte file. Should call reporthook only 2 times (once when
+        # the "network connection" is established and once when the block is
+        # read). Since the block size is 8192 bytes, only one block read is
+        # required to read the entire file.
+        report = []
+        def hooktester(count, block_size, total_size, _report=report):
+            _report.append((count, block_size, total_size))
+        srcFileName = self.createNewTempFile("x" * 5)
+        urllib.urlretrieve(self.constructLocalFileUrl(srcFileName),
+            test_support.TESTFN, hooktester)
+        self.assertEqual(len(report), 2)
+        self.assertEqual(report[0][1], 8192)
+        self.assertEqual(report[0][2], 5)
+
+    def test_reporthook_8193_bytes(self):
+        # Test on 8193 byte file. Should call reporthook only 3 times (once
+        # when the "network connection" is established, once for the next 8192
+        # bytes, and once for the last byte).
+        report = []
+        def hooktester(count, block_size, total_size, _report=report):
+            _report.append((count, block_size, total_size))
+        srcFileName = self.createNewTempFile("x" * 8193)
+        urllib.urlretrieve(self.constructLocalFileUrl(srcFileName),
+            test_support.TESTFN, hooktester)
+        self.assertEqual(len(report), 3)
+        self.assertEqual(report[0][1], 8192)
+        self.assertEqual(report[0][2], 8193)
+
+class QuotingTests(unittest.TestCase):
+    """Tests for urllib.quote() and urllib.quote_plus()
+
+    According to RFC 2396 ("Uniform Resource Identifiers), to escape a
+    character you write it as '%' + <2 character US-ASCII hex value>.  The Python
+    code of ``'%' + hex(ord(<character>))[2:]`` escapes a character properly.
+    Case does not matter on the hex letters.
+
+    The various character sets specified are:
+
+    Reserved characters : ";/?:@&=+$,"
+        Have special meaning in URIs and must be escaped if not being used for
+        their special meaning
+    Data characters : letters, digits, and "-_.!~*'()"
+        Unreserved and do not need to be escaped; can be, though, if desired
+    Control characters : 0x00 - 0x1F, 0x7F
+        Have no use in URIs so must be escaped
+    space : 0x20
+        Must be escaped
+    Delimiters : '<>#%"'
+        Must be escaped
+    Unwise : "{}|\^[]`"
+        Must be escaped
+
+    """
+
+    def test_never_quote(self):
+        # Make sure quote() does not quote letters, digits, and "_,.-"
+        do_not_quote = '' .join(["ABCDEFGHIJKLMNOPQRSTUVWXYZ",
+                                 "abcdefghijklmnopqrstuvwxyz",
+                                 "0123456789",
+                                 "_.-"])
+        result = urllib.quote(do_not_quote)
+        self.assertEqual(do_not_quote, result,
+                         "using quote(): %s != %s" % (do_not_quote, result))
+        result = urllib.quote_plus(do_not_quote)
+        self.assertEqual(do_not_quote, result,
+                        "using quote_plus(): %s != %s" % (do_not_quote, result))
+
+    def test_default_safe(self):
+        # Test '/' is default value for 'safe' parameter
+        self.assertEqual(urllib.quote.func_defaults[0], '/')
+
+    def test_safe(self):
+        # Test setting 'safe' parameter does what it should do
+        quote_by_default = "<>"
+        result = urllib.quote(quote_by_default, safe=quote_by_default)
+        self.assertEqual(quote_by_default, result,
+                         "using quote(): %s != %s" % (quote_by_default, result))
+        result = urllib.quote_plus(quote_by_default, safe=quote_by_default)
+        self.assertEqual(quote_by_default, result,
+                         "using quote_plus(): %s != %s" %
+                         (quote_by_default, result))
+
+    def test_default_quoting(self):
+        # Make sure all characters that should be quoted are by default sans
+        # space (separate test for that).
+        should_quote = [chr(num) for num in range(32)] # For 0x00 - 0x1F
+        should_quote.append('<>#%"{}|\^[]`')
+        should_quote.append(chr(127)) # For 0x7F
+        should_quote = ''.join(should_quote)
+        for char in should_quote:
+            result = urllib.quote(char)
+            self.assertEqual(hexescape(char), result,
+                             "using quote(): %s should be escaped to %s, not %s" %
+                             (char, hexescape(char), result))
+            result = urllib.quote_plus(char)
+            self.assertEqual(hexescape(char), result,
+                             "using quote_plus(): "
+                             "%s should be escapes to %s, not %s" %
+                             (char, hexescape(char), result))
+        del should_quote
+        partial_quote = "ab[]cd"
+        expected = "ab%5B%5Dcd"
+        result = urllib.quote(partial_quote)
+        self.assertEqual(expected, result,
+                         "using quote(): %s != %s" % (expected, result))
+        self.assertEqual(expected, result,
+                         "using quote_plus(): %s != %s" % (expected, result))
+
+    def test_quoting_space(self):
+        # Make sure quote() and quote_plus() handle spaces as specified in
+        # their unique way
+        result = urllib.quote(' ')
+        self.assertEqual(result, hexescape(' '),
+                         "using quote(): %s != %s" % (result, hexescape(' ')))
+        result = urllib.quote_plus(' ')
+        self.assertEqual(result, '+',
+                         "using quote_plus(): %s != +" % result)
+        given = "a b cd e f"
+        expect = given.replace(' ', hexescape(' '))
+        result = urllib.quote(given)
+        self.assertEqual(expect, result,
+                         "using quote(): %s != %s" % (expect, result))
+        expect = given.replace(' ', '+')
+        result = urllib.quote_plus(given)
+        self.assertEqual(expect, result,
+                         "using quote_plus(): %s != %s" % (expect, result))
+
+    def test_quoting_plus(self):
+        self.assertEqual(urllib.quote_plus('alpha+beta gamma'),
+                         'alpha%2Bbeta+gamma')
+        self.assertEqual(urllib.quote_plus('alpha+beta gamma', '+'),
+                         'alpha+beta+gamma')
+
+class UnquotingTests(unittest.TestCase):
+    """Tests for unquote() and unquote_plus()
+
+    See the doc string for quoting_Tests for details on quoting and such.
+
+    """
+
+    def test_unquoting(self):
+        # Make sure unquoting of all ASCII values works
+        escape_list = []
+        for num in range(128):
+            given = hexescape(chr(num))
+            expect = chr(num)
+            result = urllib.unquote(given)
+            self.assertEqual(expect, result,
+                             "using unquote(): %s != %s" % (expect, result))
+            result = urllib.unquote_plus(given)
+            self.assertEqual(expect, result,
+                             "using unquote_plus(): %s != %s" %
+                             (expect, result))
+            escape_list.append(given)
+        escape_string = ''.join(escape_list)
+        del escape_list
+        result = urllib.unquote(escape_string)
+        self.assertEqual(result.count('%'), 1,
+                         "using quote(): not all characters escaped; %s" %
+                         result)
+        result = urllib.unquote(escape_string)
+        self.assertEqual(result.count('%'), 1,
+                         "using unquote(): not all characters escaped: "
+                         "%s" % result)
+
+    def test_unquoting_parts(self):
+        # Make sure unquoting works when have non-quoted characters
+        # interspersed
+        given = 'ab%sd' % hexescape('c')
+        expect = "abcd"
+        result = urllib.unquote(given)
+        self.assertEqual(expect, result,
+                         "using quote(): %s != %s" % (expect, result))
+        result = urllib.unquote_plus(given)
+        self.assertEqual(expect, result,
+                         "using unquote_plus(): %s != %s" % (expect, result))
+
+    def test_unquoting_plus(self):
+        # Test difference between unquote() and unquote_plus()
+        given = "are+there+spaces..."
+        expect = given
+        result = urllib.unquote(given)
+        self.assertEqual(expect, result,
+                         "using unquote(): %s != %s" % (expect, result))
+        expect = given.replace('+', ' ')
+        result = urllib.unquote_plus(given)
+        self.assertEqual(expect, result,
+                         "using unquote_plus(): %s != %s" % (expect, result))
+
+    def test_unquote_with_unicode(self):
+        r = urllib.unquote(u'br%C3%BCckner_sapporo_20050930.doc')
+        self.assertEqual(r, u'br\xc3\xbcckner_sapporo_20050930.doc')
+
+class urlencode_Tests(unittest.TestCase):
+    """Tests for urlencode()"""
+
+    def help_inputtype(self, given, test_type):
+        """Helper method for testing different input types.
+
+        'given' must lead to only the pairs:
+            * 1st, 1
+            * 2nd, 2
+            * 3rd, 3
+
+        Test cannot assume anything about order.  Docs make no guarantee and
+        have possible dictionary input.
+
+        """
+        expect_somewhere = ["1st=1", "2nd=2", "3rd=3"]
+        result = urllib.urlencode(given)
+        for expected in expect_somewhere:
+            self.assert_(expected in result,
+                         "testing %s: %s not found in %s" %
+                         (test_type, expected, result))
+        self.assertEqual(result.count('&'), 2,
+                         "testing %s: expected 2 '&'s; got %s" %
+                         (test_type, result.count('&')))
+        amp_location = result.index('&')
+        on_amp_left = result[amp_location - 1]
+        on_amp_right = result[amp_location + 1]
+        self.assert_(on_amp_left.isdigit() and on_amp_right.isdigit(),
+                     "testing %s: '&' not located in proper place in %s" %
+                     (test_type, result))
+        self.assertEqual(len(result), (5 * 3) + 2, #5 chars per thing and amps
+                         "testing %s: "
+                         "unexpected number of characters: %s != %s" %
+                         (test_type, len(result), (5 * 3) + 2))
+
+    def test_using_mapping(self):
+        # Test passing in a mapping object as an argument.
+        self.help_inputtype({"1st":'1', "2nd":'2', "3rd":'3'},
+                            "using dict as input type")
+
+    def test_using_sequence(self):
+        # Test passing in a sequence of two-item sequences as an argument.
+        self.help_inputtype([('1st', '1'), ('2nd', '2'), ('3rd', '3')],
+                            "using sequence of two-item tuples as input")
+
+    def test_quoting(self):
+        # Make sure keys and values are quoted using quote_plus()
+        given = {"&":"="}
+        expect = "%s=%s" % (hexescape('&'), hexescape('='))
+        result = urllib.urlencode(given)
+        self.assertEqual(expect, result)
+        given = {"key name":"A bunch of pluses"}
+        expect = "key+name=A+bunch+of+pluses"
+        result = urllib.urlencode(given)
+        self.assertEqual(expect, result)
+
+    def test_doseq(self):
+        # Test that passing True for 'doseq' parameter works correctly
+        given = {'sequence':['1', '2', '3']}
+        expect = "sequence=%s" % urllib.quote_plus(str(['1', '2', '3']))
+        result = urllib.urlencode(given)
+        self.assertEqual(expect, result)
+        result = urllib.urlencode(given, True)
+        for value in given["sequence"]:
+            expect = "sequence=%s" % value
+            self.assert_(expect in result,
+                         "%s not found in %s" % (expect, result))
+        self.assertEqual(result.count('&'), 2,
+                         "Expected 2 '&'s, got %s" % result.count('&'))
+
+class Pathname_Tests(unittest.TestCase):
+    """Test pathname2url() and url2pathname()"""
+
+    def test_basic(self):
+        # Make sure simple tests pass
+        expected_path = os.path.join("parts", "of", "a", "path")
+        expected_url = "parts/of/a/path"
+        result = urllib.pathname2url(expected_path)
+        self.assertEqual(expected_url, result,
+                         "pathname2url() failed; %s != %s" %
+                         (result, expected_url))
+        result = urllib.url2pathname(expected_url)
+        self.assertEqual(expected_path, result,
+                         "url2pathame() failed; %s != %s" %
+                         (result, expected_path))
+
+    def test_quoting(self):
+        # Test automatic quoting and unquoting works for pathnam2url() and
+        # url2pathname() respectively
+        given = os.path.join("needs", "quot=ing", "here")
+        expect = "needs/%s/here" % urllib.quote("quot=ing")
+        result = urllib.pathname2url(given)
+        self.assertEqual(expect, result,
+                         "pathname2url() failed; %s != %s" %
+                         (expect, result))
+        expect = given
+        result = urllib.url2pathname(result)
+        self.assertEqual(expect, result,
+                         "url2pathname() failed; %s != %s" %
+                         (expect, result))
+        given = os.path.join("make sure", "using_quote")
+        expect = "%s/using_quote" % urllib.quote("make sure")
+        result = urllib.pathname2url(given)
+        self.assertEqual(expect, result,
+                         "pathname2url() failed; %s != %s" %
+                         (expect, result))
+        given = "make+sure/using_unquote"
+        expect = os.path.join("make+sure", "using_unquote")
+        result = urllib.url2pathname(given)
+        self.assertEqual(expect, result,
+                         "url2pathname() failed; %s != %s" %
+                         (expect, result))
+
+
+
+def test_main():
+    test_support.run_unittest(
+        urlopen_FileTests,
+        urlopen_HttpTests,
+        urlretrieve_FileTests,
+        QuotingTests,
+        UnquotingTests,
+        urlencode_Tests,
+        Pathname_Tests
+    )
+
+
+
+if __name__ == '__main__':
+    test_main()