import base64
import datetime
import sys
import time
import unittest
import xmlrpclib
import SimpleXMLRPCServer
import mimetools
import httplib
import socket
import StringIO
import os
import re
from test import test_support

try:
    import threading
except ImportError:
    threading = None

try:
    unicode
except NameError:
    have_unicode = False
else:
    have_unicode = True

alist = [{'astring': 'foo@bar.baz.spam',
          'afloat': 7283.43,
          'anint': 2**20,
          'ashortlong': 2L,
          'anotherlist': ['.zyx.41'],
          'abase64': xmlrpclib.Binary("my dog has fleas"),
          'boolean': xmlrpclib.False,
          'unicode': u'\u4000\u6000\u8000',
          u'ukey\u4000': 'regular value',
          'datetime1': xmlrpclib.DateTime('20050210T11:41:23'),
          'datetime2': xmlrpclib.DateTime(
                        (2005, 02, 10, 11, 41, 23, 0, 1, -1)),
          'datetime3': xmlrpclib.DateTime(
                        datetime.datetime(2005, 02, 10, 11, 41, 23)),
          }]

class XMLRPCTestCase(unittest.TestCase):

    def test_dump_load(self):
        self.assertEqual(alist,
                         xmlrpclib.loads(xmlrpclib.dumps((alist,)))[0][0])

    def test_dump_bare_datetime(self):
        # This checks that an unwrapped datetime.date object can be handled
        # by the marshalling code.  This can't be done via test_dump_load()
        # since with use_datetime set to 1 the unmarshaller would create
        # datetime objects for the 'datetime[123]' keys as well
        dt = datetime.datetime(2005, 02, 10, 11, 41, 23)
        s = xmlrpclib.dumps((dt,))
        (newdt,), m = xmlrpclib.loads(s, use_datetime=1)
        self.assertEqual(newdt, dt)
        self.assertEqual(m, None)

        (newdt,), m = xmlrpclib.loads(s, use_datetime=0)
        self.assertEqual(newdt, xmlrpclib.DateTime('20050210T11:41:23'))

    def test_datetime_before_1900(self):
        # same as before but with a date before 1900
        dt = datetime.datetime(1, 02, 10, 11, 41, 23)
        s = xmlrpclib.dumps((dt,))
        (newdt,), m = xmlrpclib.loads(s, use_datetime=1)
        self.assertEqual(newdt, dt)
        self.assertEqual(m, None)

        (newdt,), m = xmlrpclib.loads(s, use_datetime=0)
        self.assertEqual(newdt, xmlrpclib.DateTime('00010210T11:41:23'))

    def test_cmp_datetime_DateTime(self):
        now = datetime.datetime.now()
        dt = xmlrpclib.DateTime(now.timetuple())
        self.assertTrue(dt == now)
        self.assertTrue(now == dt)
        then = now + datetime.timedelta(seconds=4)
        self.assertTrue(then >= dt)
        self.assertTrue(dt < then)

    def test_bug_1164912 (self):
        d = xmlrpclib.DateTime()
        ((new_d,), dummy) = xmlrpclib.loads(xmlrpclib.dumps((d,),
                                            methodresponse=True))
        self.assertIsInstance(new_d.value, str)

        # Check that the output of dumps() is still an 8-bit string
        s = xmlrpclib.dumps((new_d,), methodresponse=True)
        self.assertIsInstance(s, str)

    def test_newstyle_class(self):
        class T(object):
            pass
        t = T()
        t.x = 100
        t.y = "Hello"
        ((t2,), dummy) = xmlrpclib.loads(xmlrpclib.dumps((t,)))
        self.assertEqual(t2, t.__dict__)

    def test_dump_big_long(self):
        self.assertRaises(OverflowError, xmlrpclib.dumps, (2L**99,))

    def test_dump_bad_dict(self):
        self.assertRaises(TypeError, xmlrpclib.dumps, ({(1,2,3): 1},))

    def test_dump_recursive_seq(self):
        l = [1,2,3]
        t = [3,4,5,l]
        l.append(t)
        self.assertRaises(TypeError, xmlrpclib.dumps, (l,))

    def test_dump_recursive_dict(self):
        d = {'1':1, '2':1}
        t = {'3':3, 'd':d}
        d['t'] = t
        self.assertRaises(TypeError, xmlrpclib.dumps, (d,))

    def test_dump_big_int(self):
        if sys.maxint > 2L**31-1:
            self.assertRaises(OverflowError, xmlrpclib.dumps,
                              (int(2L**34),))

        xmlrpclib.dumps((xmlrpclib.MAXINT, xmlrpclib.MININT))
        self.assertRaises(OverflowError, xmlrpclib.dumps, (xmlrpclib.MAXINT+1,))
        self.assertRaises(OverflowError, xmlrpclib.dumps, (xmlrpclib.MININT-1,))

        def dummy_write(s):
            pass

        m = xmlrpclib.Marshaller()
        m.dump_int(xmlrpclib.MAXINT, dummy_write)
        m.dump_int(xmlrpclib.MININT, dummy_write)
        self.assertRaises(OverflowError, m.dump_int, xmlrpclib.MAXINT+1, dummy_write)
        self.assertRaises(OverflowError, m.dump_int, xmlrpclib.MININT-1, dummy_write)


    def test_dump_none(self):
        value = alist + [None]
        arg1 = (alist + [None],)
        strg = xmlrpclib.dumps(arg1, allow_none=True)
        self.assertEqual(value,
                         xmlrpclib.loads(strg)[0][0])
        self.assertRaises(TypeError, xmlrpclib.dumps, (arg1,))

    def test_default_encoding_issues(self):
        # SF bug #1115989: wrong decoding in '_stringify'
        utf8 = """<?xml version='1.0' encoding='iso-8859-1'?>
                  <params>
                    <param><value>
                      <string>abc \x95</string>
                      </value></param>
                    <param><value>
                      <struct>
                        <member>
                          <name>def \x96</name>
                          <value><string>ghi \x97</string></value>
                          </member>
                        </struct>
                      </value></param>
                  </params>
                  """

        # sys.setdefaultencoding() normally doesn't exist after site.py is
        # loaded.  Import a temporary fresh copy to get access to it
        # but then restore the original copy to avoid messing with
        # other potentially modified sys module attributes
        old_encoding = sys.getdefaultencoding()
        with test_support.CleanImport('sys'):
            import sys as temp_sys
            temp_sys.setdefaultencoding("iso-8859-1")
            try:
                (s, d), m = xmlrpclib.loads(utf8)
            finally:
                temp_sys.setdefaultencoding(old_encoding)

        items = d.items()
        if have_unicode:
            self.assertEqual(s, u"abc \x95")
            self.assertIsInstance(s, unicode)
            self.assertEqual(items, [(u"def \x96", u"ghi \x97")])
            self.assertIsInstance(items[0][0], unicode)
            self.assertIsInstance(items[0][1], unicode)
        else:
            self.assertEqual(s, "abc \xc2\x95")
            self.assertEqual(items, [("def \xc2\x96", "ghi \xc2\x97")])


class HelperTestCase(unittest.TestCase):
    def test_escape(self):
        self.assertEqual(xmlrpclib.escape("a&b"), "a&amp;b")
        self.assertEqual(xmlrpclib.escape("a<b"), "a&lt;b")
        self.assertEqual(xmlrpclib.escape("a>b"), "a&gt;b")

class FaultTestCase(unittest.TestCase):
    def test_repr(self):
        f = xmlrpclib.Fault(42, 'Test Fault')
        self.assertEqual(repr(f), "<Fault 42: 'Test Fault'>")
        self.assertEqual(repr(f), str(f))

    def test_dump_fault(self):
        f = xmlrpclib.Fault(42, 'Test Fault')
        s = xmlrpclib.dumps((f,))
        (newf,), m = xmlrpclib.loads(s)
        self.assertEqual(newf, {'faultCode': 42, 'faultString': 'Test Fault'})
        self.assertEqual(m, None)

        s = xmlrpclib.Marshaller().dumps(f)
        self.assertRaises(xmlrpclib.Fault, xmlrpclib.loads, s)


class DateTimeTestCase(unittest.TestCase):
    def test_default(self):
        t = xmlrpclib.DateTime()

    def test_time(self):
        d = 1181399930.036952
        t = xmlrpclib.DateTime(d)
        self.assertEqual(str(t), time.strftime("%Y%m%dT%H:%M:%S", time.localtime(d)))

    def test_time_tuple(self):
        d = (2007,6,9,10,38,50,5,160,0)
        t = xmlrpclib.DateTime(d)
        self.assertEqual(str(t), '20070609T10:38:50')

    def test_time_struct(self):
        d = time.localtime(1181399930.036952)
        t = xmlrpclib.DateTime(d)
        self.assertEqual(str(t),  time.strftime("%Y%m%dT%H:%M:%S", d))

    def test_datetime_datetime(self):
        d = datetime.datetime(2007,1,2,3,4,5)
        t = xmlrpclib.DateTime(d)
        self.assertEqual(str(t), '20070102T03:04:05')

    def test_repr(self):
        d = datetime.datetime(2007,1,2,3,4,5)
        t = xmlrpclib.DateTime(d)
        val ="<DateTime '20070102T03:04:05' at %x>" % id(t)
        self.assertEqual(repr(t), val)

    def test_decode(self):
        d = ' 20070908T07:11:13  '
        t1 = xmlrpclib.DateTime()
        t1.decode(d)
        tref = xmlrpclib.DateTime(datetime.datetime(2007,9,8,7,11,13))
        self.assertEqual(t1, tref)

        t2 = xmlrpclib._datetime(d)
        self.assertEqual(t1, tref)

class BinaryTestCase(unittest.TestCase):
    def test_default(self):
        t = xmlrpclib.Binary()
        self.assertEqual(str(t), '')

    def test_string(self):
        d = '\x01\x02\x03abc123\xff\xfe'
        t = xmlrpclib.Binary(d)
        self.assertEqual(str(t), d)

    def test_decode(self):
        d = '\x01\x02\x03abc123\xff\xfe'
        de = base64.encodestring(d)
        t1 = xmlrpclib.Binary()
        t1.decode(de)
        self.assertEqual(str(t1), d)

        t2 = xmlrpclib._binary(de)
        self.assertEqual(str(t2), d)


ADDR = PORT = URL = None

# The evt is set twice.  First when the server is ready to serve.
# Second when the server has been shutdown.  The user must clear
# the event after it has been set the first time to catch the second set.
def http_server(evt, numrequests, requestHandler=None):
    class TestInstanceClass:
        def div(self, x, y):
            return x // y

        def _methodHelp(self, name):
            if name == 'div':
                return 'This is the div function'

    def my_function():
        '''This is my function'''
        return True

    class MyXMLRPCServer(SimpleXMLRPCServer.SimpleXMLRPCServer):
        def get_request(self):
            # Ensure the socket is always non-blocking.  On Linux, socket
            # attributes are not inherited like they are on *BSD and Windows.
            s, port = self.socket.accept()
            s.setblocking(True)
            return s, port

    if not requestHandler:
        requestHandler = SimpleXMLRPCServer.SimpleXMLRPCRequestHandler
    serv = MyXMLRPCServer(("localhost", 0), requestHandler,
                          logRequests=False, bind_and_activate=False)
    try:
        serv.socket.settimeout(3)
        serv.server_bind()
        global ADDR, PORT, URL
        ADDR, PORT = serv.socket.getsockname()
        #connect to IP address directly.  This avoids socket.create_connection()
        #trying to connect to to "localhost" using all address families, which
        #causes slowdown e.g. on vista which supports AF_INET6.  The server listens
        #on AF_INET only.
        URL = "http://%s:%d"%(ADDR, PORT)
        serv.server_activate()
        serv.register_introspection_functions()
        serv.register_multicall_functions()
        serv.register_function(pow)
        serv.register_function(lambda x,y: x+y, 'add')
        serv.register_function(my_function)
        serv.register_instance(TestInstanceClass())
        evt.set()

        # handle up to 'numrequests' requests
        while numrequests > 0:
            serv.handle_request()
            numrequests -= 1

    except socket.timeout:
        pass
    finally:
        serv.socket.close()
        PORT = None
        evt.set()

def http_multi_server(evt, numrequests, requestHandler=None):
    class TestInstanceClass:
        def div(self, x, y):
            return x // y

        def _methodHelp(self, name):
            if name == 'div':
                return 'This is the div function'

    def my_function():
        '''This is my function'''
        return True

    class MyXMLRPCServer(SimpleXMLRPCServer.MultiPathXMLRPCServer):
        def get_request(self):
            # Ensure the socket is always non-blocking.  On Linux, socket
            # attributes are not inherited like they are on *BSD and Windows.
            s, port = self.socket.accept()
            s.setblocking(True)
            return s, port

    if not requestHandler:
        requestHandler = SimpleXMLRPCServer.SimpleXMLRPCRequestHandler
    class MyRequestHandler(requestHandler):
        rpc_paths = []

    serv = MyXMLRPCServer(("localhost", 0), MyRequestHandler,
                          logRequests=False, bind_and_activate=False)
    serv.socket.settimeout(3)
    serv.server_bind()
    try:
        global ADDR, PORT, URL
        ADDR, PORT = serv.socket.getsockname()
        #connect to IP address directly.  This avoids socket.create_connection()
        #trying to connect to to "localhost" using all address families, which
        #causes slowdown e.g. on vista which supports AF_INET6.  The server listens
        #on AF_INET only.
        URL = "http://%s:%d"%(ADDR, PORT)
        serv.server_activate()
        paths = ["/foo", "/foo/bar"]
        for path in paths:
            d = serv.add_dispatcher(path, SimpleXMLRPCServer.SimpleXMLRPCDispatcher())
            d.register_introspection_functions()
            d.register_multicall_functions()
        serv.get_dispatcher(paths[0]).register_function(pow)
        serv.get_dispatcher(paths[1]).register_function(lambda x,y: x+y, 'add')
        evt.set()

        # handle up to 'numrequests' requests
        while numrequests > 0:
            serv.handle_request()
            numrequests -= 1

    except socket.timeout:
        pass
    finally:
        serv.socket.close()
        PORT = None
        evt.set()

# This function prevents errors like:
#    <ProtocolError for localhost:57527/RPC2: 500 Internal Server Error>
def is_unavailable_exception(e):
    '''Returns True if the given ProtocolError is the product of a server-side
       exception caused by the 'temporarily unavailable' response sometimes
       given by operations on non-blocking sockets.'''

    # sometimes we get a -1 error code and/or empty headers
    try:
        if e.errcode == -1 or e.headers is None:
            return True
        exc_mess = e.headers.get('X-exception')
    except AttributeError:
        # Ignore socket.errors here.
        exc_mess = str(e)