# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

"""
Tests for L{twisted.protocols.finger}.
"""

from twisted.trial import unittest
from twisted.protocols import finger
from twisted.test.proto_helpers import StringTransport


class FingerTestCase(unittest.TestCase):
"""
Tests for L{finger.Finger}.
"""
def setUp(self):
"""
Create and connect a L{finger.Finger} instance.
"""
self.transport = StringTransport()
self.protocol = finger.Finger()
self.protocol.makeConnection(self.transport)


def test_simple(self):
"""
When L{finger.Finger} receives a CR LF terminated line, it responds
with the default user status message - that no such user exists.
"""
self.protocol.dataReceived("moshez\r\n")
self.assertEqual(
self.transport.value(),
"Login: moshez\nNo such user\n")


def test_simpleW(self):
"""
The behavior for a query which begins with C{"/w"} is the same as the
behavior for one which does not. The user is reported as not existing.
"""
self.protocol.dataReceived("/w moshez\r\n")
self.assertEqual(
self.transport.value(),
"Login: moshez\nNo such user\n")


def test_forwarding(self):
"""
When L{finger.Finger} receives a request for a remote user, it responds
with a message rejecting the request.
"""
self.protocol.dataReceived("[email protected]\r\n")
self.assertEqual(
self.transport.value(),
"Finger forwarding service denied\n")


def test_list(self):
"""
When L{finger.Finger} receives a blank line, it responds with a message
rejecting the request for all online users.
"""
self.protocol.dataReceived("\r\n")
self.assertEqual(
self.transport.value(),
"Finger online list denied\n")