def testNoPasswordGiven(self):
"""Passing None as the password avoids sending the PASS command."""
# Create a client, and give it a greeting.
ftpClient = ftp.FTPClientBasic()
ftpClient.transport = BufferingTransport()
ftpClient.lineReceived('220 Welcome to Imaginary FTP.')
# Queue a login with no password
ftpClient.queueLogin('bob', None)
self.failUnlessEqual('USER bob\r\n', ftpClient.transport.buffer)
# Clear the test buffer, acknowledge the USER command.
ftpClient.transport.buffer = ''
ftpClient.lineReceived('200 Hello bob.')
# The client shouldn't have sent anything more (i.e. it shouldn't have
# sent a PASS command).
self.failUnlessEqual('', ftpClient.transport.buffer)
def testNoPasswordNeeded(self):
"""Receiving a 230 response to USER prevents PASS from being sent."""
# Create a client, and give it a greeting.
ftpClient = ftp.FTPClientBasic()
ftpClient.transport = BufferingTransport()
ftpClient.lineReceived('220 Welcome to Imaginary FTP.')
# Queue a login with no password
ftpClient.queueLogin('bob', 'secret')
self.failUnlessEqual('USER bob\r\n', ftpClient.transport.buffer)
# Clear the test buffer, acknowledge the USER command with a 230
# response code.
ftpClient.transport.buffer = ''
ftpClient.lineReceived('230 Hello bob. No password needed.')
# The client shouldn't have sent anything more (i.e. it shouldn't have
# sent a PASS command).
self.failUnlessEqual('', ftpClient.transport.buffer)
def testMultilineResponse(self):
ftpClient = ftp.FTPClientBasic()
ftpClient.transport = DummyTransport()
ftpClient.lineReceived('220 Imaginary FTP.')
# Queue (and send) a dummy command, and set up a callback to capture the
# result
deferred = ftpClient.queueStringCommand('BLAH')
result = []
deferred.addCallback(result.append)
deferred.addErrback(self.fail)
# Send the first line of a multiline response.
ftpClient.lineReceived('210-First line.')
self.failUnlessEqual([], result)
# Send a second line, again prefixed with "nnn-".
ftpClient.lineReceived('123-Second line.')
self.failUnlessEqual([], result)
# Send a plain line of text, no prefix.
ftpClient.lineReceived('Just some text.')
self.failUnlessEqual([], result)
# Now send a short (less than 4 chars) line.
ftpClient.lineReceived('Hi')
self.failUnlessEqual([], result)
# Now send an empty line.
ftpClient.lineReceived('')
self.failUnlessEqual([], result)
# And a line with 3 digits in it, and nothing else.
ftpClient.lineReceived('321')
self.failUnlessEqual([], result)
# Now finish it.
ftpClient.lineReceived('210 Done.')
self.failUnlessEqual([
'210-First line.', '123-Second line.', 'Just some text.', 'Hi', '',
'321', '210 Done.'
], result[0])
def testResponseWithNoMessage(self):
# Responses with no message are still valid, i.e. three digits followed
# by a space is complete response.
ftpClient = ftp.FTPClientBasic()
ftpClient.lineReceived('220 ')
self.failUnlessEqual(['220 '], ftpClient.greeting)
def testGreeting(self):
# The first response is captured as a greeting.
ftpClient = ftp.FTPClientBasic()
ftpClient.lineReceived('220 Imaginary FTP.')
self.failUnlessEqual(['220 Imaginary FTP.'], ftpClient.greeting)