def test_normal_generic_message_with_extra(self):
m = FrontendMessage()
done, extra = m.consume('Q\x00\x00\x00\x05Nfoo')
self.assertTrue(done)
self.assertEqual(extra, 'foo')
self.assertEqual(m.length, 6)
self.assertEqual(m.type, 'Q')
self.assertEqual(m.data, 'N')
def test_normal_generic_message_with_extra(self):
m = FrontendMessage()
done, extra = m.consume('Q\x00\x00\x00\x05Nfoo')
self.assertTrue(done)
self.assertEqual(extra, 'foo')
self.assertEqual(m.length, 6)
self.assertEqual(m.type, 'Q')
self.assertEqual(m.data, 'N')
def test_separate_packets(self):
m = FrontendMessage()
done, _ = m.consume('Q\x00')
self.assertFalse(done)
done, extra = m.consume('\x00\x00\x05Nfoo')
self.assertEqual(extra, 'foo')
self.assertEqual(m.length, 6)
self.assertEqual(m.type, 'Q')
self.assertEqual(m.data, 'N')
def test_separate_packets(self):
m = FrontendMessage()
done, _ = m.consume('Q\x00')
self.assertFalse(done)
done, extra = m.consume('\x00\x00\x05Nfoo')
self.assertEqual(extra, 'foo')
self.assertEqual(m.length, 6)
self.assertEqual(m.type, 'Q')
self.assertEqual(m.data, 'N')
def test_CancelRequest(self):
msg = ('\x00\x00\x00\x10'
'\x80\x87\x71\x02'
'\xde\xad\xbe\xef'
'\xfe\xed\xbe\xef'
'extra')
m = FrontendMessage()
self.assertEqual((True, 'extra'), m.consume(msg))
self.assertEqual(m.type, 'Cancel')
self.assertEqual(m.length, 16)
self.assertEqual(m.pid, 0xdeadbeef)
self.assertEqual(m.key, 0xfeedbeef)
def test_CancelRequest(self):
msg = ('\x00\x00\x00\x10'
'\x80\x87\x71\x02'
'\xde\xad\xbe\xef'
'\xfe\xed\xbe\xef'
'extra')
m = FrontendMessage()
self.assertEqual((True, 'extra'), m.consume(msg))
self.assertEqual(m.type, 'Cancel')
self.assertEqual(m.length, 16)
self.assertEqual(m.pid, 0xdeadbeef)
self.assertEqual(m.key, 0xfeedbeef)
def test_serialize(self):
# test a special message
msg = ('\x00\x00\x00\x26'
'\x00\x03\x00\x00'
'user\x00postgres\x00'
'database\x00master\x00'
'foobar baz \x00 goo')
m = FrontendMessage()
m.consume(msg)
self.assertEqual(
m.serialize(), '\x00\x00\x00\x26'
'\x00\x03\x00\x00'
'user\x00postgres\x00'
'database\x00master\x00')
# test a normal message
m = FrontendMessage()
m.consume('S\x00\x00\x00\x05NX')
self.assertEqual(m.serialize(), 'S\x00\x00\x00\x05N')
def test_Startup(self):
msg = ('\x00\x00\x00\x26' # length
'\x00\x03\x00\x00' # protocol version
# fields
'user\x00postgres\x00'
'database\x00master\x00'
# extra data
'foobar baz \x00 goo')
m = FrontendMessage()
done, extra = m.consume(msg)
self.assertTrue(done)
self.assertEqual(extra, 'foobar baz \x00 goo')
self.assertEqual(m.length, 0x26)
self.assertEqual(m.type, 'Startup')
self.assertEqual(
m.parameters,
{'user': '******', 'database': 'master'})
def test_Startup(self):
msg = (
'\x00\x00\x00\x26' # length
'\x00\x03\x00\x00' # protocol version
# fields
'user\x00postgres\x00'
'database\x00master\x00'
# extra data
'foobar baz \x00 goo')
m = FrontendMessage()
done, extra = m.consume(msg)
self.assertTrue(done)
self.assertEqual(extra, 'foobar baz \x00 goo')
self.assertEqual(m.length, 0x26)
self.assertEqual(m.type, 'Startup')
self.assertEqual(m.parameters, {
'user': '******',
'database': 'master'
})
def test_serialize(self):
# test a special message
msg = ('\x00\x00\x00\x26'
'\x00\x03\x00\x00'
'user\x00postgres\x00'
'database\x00master\x00'
'foobar baz \x00 goo')
m = FrontendMessage()
m.consume(msg)
self.assertEqual(
m.serialize(),
'\x00\x00\x00\x26'
'\x00\x03\x00\x00'
'user\x00postgres\x00'
'database\x00master\x00')
# test a normal message
m = FrontendMessage()
m.consume('S\x00\x00\x00\x05NX')
self.assertEqual(m.serialize(), 'S\x00\x00\x00\x05N')
def test_not_enough_data(self):
m = FrontendMessage()
done, extra = m.consume('R\x00\x00\x00\x07')
self.assertEqual(m.length, 8)
self.assertFalse(done)
self.assertFalse(extra)
def test_not_enough_data(self):
m = FrontendMessage()
done, extra = m.consume('R\x00\x00\x00\x07')
self.assertEqual(m.length, 8)
self.assertFalse(done)
self.assertFalse(extra)
def assertUnknown(self, msg):
m = FrontendMessage()
try:
m.consume(msg)
except ValueError, e:
self.assertTrue(e.message.startswith('Unknown '))
def test_SSLRequest(self):
m = FrontendMessage()
done, _ = m.consume('\x00\x00\x00\x08\x80\x87\x71\x03')
self.assertTrue(done)
self.assertEqual(m.type, 'SSLRequest')
def test_sub_header_length(self):
m = FrontendMessage()
done, extra = m.consume('R')
self.assertFalse(done)
self.assertFalse(extra)
def test_sub_header_length(self):
m = FrontendMessage()
done, extra = m.consume('R')
self.assertFalse(done)
self.assertFalse(extra)
def test_SSLRequest(self):
m = FrontendMessage()
done, _ = m.consume('\x00\x00\x00\x08\x80\x87\x71\x03')
self.assertTrue(done)
self.assertEqual(m.type, 'SSLRequest')
def assertUnknown(self, msg):
m = FrontendMessage()
try:
m.consume(msg)
except ValueError, e:
self.assertTrue(e.message.startswith('Unknown '))
