def test_TokenHistory(self):
history = TokenHistory(maxSize=5)
# Ensure returned identifiers increment
for id, token in enumerate(("one", "two", "three", "four", "five"),
start=1):
self.assertEquals(id, history.add(token))
self.assertEquals(len(history.history), 5)
# History size never exceeds maxSize
id = history.add("six")
self.assertEquals(id, 6)
self.assertEquals(len(history.history), 5)
self.assertEquals(
history.history,
[(2, "two"), (3, "three"), (4, "four"), (5, "five"), (6, "six")]
)
id = history.add("seven")
self.assertEquals(id, 7)
self.assertEquals(len(history.history), 5)
self.assertEquals(
history.history,
[(3, "three"), (4, "four"), (5, "five"), (6, "six"), (7, "seven")]
)
# Look up non-existent identifier
token = history.extractIdentifier(9999)
self.assertEquals(token, None)
self.assertEquals(
history.history,
[(3, "three"), (4, "four"), (5, "five"), (6, "six"), (7, "seven")]
)
# Look up oldest identifier in history
token = history.extractIdentifier(3)
self.assertEquals(token, "three")
self.assertEquals(
history.history,
[(4, "four"), (5, "five"), (6, "six"), (7, "seven")]
)
# Look up latest identifier in history
token = history.extractIdentifier(7)
self.assertEquals(token, "seven")
self.assertEquals(
history.history,
[(4, "four"), (5, "five"), (6, "six")]
)
# Look up an identifier in the middle
token = history.extractIdentifier(5)
self.assertEquals(token, "five")
self.assertEquals(
history.history,
[(4, "four"), (6, "six")]
)
def test_TokenHistory(self):
history = TokenHistory(maxSize=5)
# Ensure returned identifiers increment
for id, token in enumerate(
("one", "two", "three", "four", "five"),
start=1
):
self.assertEquals(id, history.add(token))
self.assertEquals(len(history.history), 5)
# History size never exceeds maxSize
id = history.add("six")
self.assertEquals(id, 6)
self.assertEquals(len(history.history), 5)
self.assertEquals(
history.history,
[(2, "two"), (3, "three"), (4, "four"), (5, "five"), (6, "six")]
)
id = history.add("seven")
self.assertEquals(id, 7)
self.assertEquals(len(history.history), 5)
self.assertEquals(
history.history,
[(3, "three"), (4, "four"), (5, "five"), (6, "six"), (7, "seven")]
)
# Look up non-existent identifier
token = history.extractIdentifier(9999)
self.assertEquals(token, None)
self.assertEquals(
history.history,
[(3, "three"), (4, "four"), (5, "five"), (6, "six"), (7, "seven")]
)
# Look up oldest identifier in history
token = history.extractIdentifier(3)
self.assertEquals(token, "three")
self.assertEquals(
history.history,
[(4, "four"), (5, "five"), (6, "six"), (7, "seven")]
)
# Look up latest identifier in history
token = history.extractIdentifier(7)
self.assertEquals(token, "seven")
self.assertEquals(
history.history,
[(4, "four"), (5, "five"), (6, "six")]
)
# Look up an identifier in the middle
token = history.extractIdentifier(5)
self.assertEquals(token, "five")
self.assertEquals(
history.history,
[(4, "four"), (6, "six")]
)
def makeConnection(self, transport):
self.history = TokenHistory()
self.log.debug("ProviderProtocol makeConnection")
Protocol.makeConnection(self, transport)