def openShell(self, protocol):
""" Open a shell and connect it to proto. """
peer_address = protocol.getPeer().address # IAddress
(host, port) = (peer_address.host, peer_address.port)
log.msg("Open shell from %s:%d." % (host, port))
serverProtocol = ServerProtocol(GatewayTerminalProtocol, self.avatar)
serverProtocol.makeConnection(protocol)
protocol.makeConnection(wrapProtocol(serverProtocol))
def test_connectionMadePrompt(self):
"""
L{CharacterSelectionTextServer} prompts the player upon connection,
giving them the option to create a character.
"""
testWorld = buildWorld(self)
transport = StringTransport()
terminal = ServerProtocol(lambda: testWorld.proto)
terminal.makeConnection(transport)
self.assertIn("0) Create", transport.io.getvalue())
def test_nextLine(self):
"""
L{ServerProtocol.nextLine} writes C{"\r\n"} to its transport.
"""
# Why doesn't it write ESC E? Because ESC E is poorly supported. For
# example, gnome-terminal (many different versions) fails to scroll if
# it receives ESC E and the cursor is already on the last row.
protocol = ServerProtocol()
transport = StringTransport()
protocol.makeConnection(transport)
protocol.nextLine()
self.assertEqual(transport.value(), b"\r\n")
def runReactorWithTerminal(terminalProtocol, *args):
import os, tty, sys, termios
from twisted.internet import stdio
from twisted.conch.insults.insults import ServerProtocol
#Fix quitter so it doesn't close stdin
#so we can call quit() from the terminal
#and not mess up our terminal
class NewQuitter(quit.__class__):
def __call__(self, code=None):
raise SystemExit(code)
if isinstance(__builtins__, dict):
__builtins__['quit'] = NewQuitter('quit')
__builtins__['exit'] = NewQuitter('exit')
else:
__builtins__.quit = NewQuitter('quit')
__builtins__.exit = NewQuitter('exit')
fd = sys.__stdin__.fileno()
oldSettings = termios.tcgetattr(fd)
tty.setraw(fd)
try:
p = ServerProtocol(terminalProtocol, *args)
stdio.StandardIO(p)
reactor.run()
finally:
termios.tcsetattr(fd, termios.TCSANOW, oldSettings)
os.write(fd, "\r\x1bc\r")
def runTextServer(reactor, *argv):
"""
Run a L{ConsoleTextServer}.
"""
textServer = makeTextServer(reactor, *argv)
StandardIO(ServerProtocol(lambda: textServer))
return textServer.done
def runWithProtocol(klass):
fd = sys.__stdin__.fileno()
oldSettings = termios.tcgetattr(fd)
tty.setraw(fd)
try:
stdio.StandardIO(ServerProtocol(klass))
reactor.run()
finally:
termios.tcsetattr(fd, termios.TCSANOW, oldSettings)
os.write(fd, b"\r\x1bc\r")
def doWork(self):
"""
Service startup.
"""
# Set up the terminal for interactive action
self.terminalFD = sys.__stdin__.fileno()
self._oldTerminalSettings = termios.tcgetattr(self.terminalFD)
tty.setraw(self.terminalFD)
self.protocol = ServerProtocol(lambda: ShellProtocol(self))
StandardIO(self.protocol)
return succeed(None)
def start_console():
ag = AMPGateway("localhost", 25600)
if fancy_console:
global oldSettings
fd = sys.__stdin__.fileno()
oldSettings = termios.tcgetattr(fd)
tty.setraw(fd)
p = ServerProtocol(BravoManhole, ag)
else:
p = BravoConsole(ag)
StandardIO(p)
return p
def runReactorWithTerminal(terminalProtocol, *args):
import os, tty, sys, termios
from twisted.internet import stdio
from twisted.conch.insults.insults import ServerProtocol
fd = sys.__stdin__.fileno()
oldSettings = termios.tcgetattr(fd)
tty.setraw(fd)
try:
p = ServerProtocol(terminalProtocol, *args)
stdio.StandardIO(p)
reactor.run()
finally:
termios.tcsetattr(fd, termios.TCSANOW, oldSettings)
os.write(fd, "\r\x1bc\r")
def make_manhole_server(self, port, username, password):
from twisted.application.internet import TCPServer
from twisted.cred.portal import Portal
from twisted.cred.checkers import InMemoryUsernamePasswordDatabaseDontUse
from twisted.conch.manhole import ColoredManhole
from twisted.conch.manhole_ssh import ConchFactory, TerminalRealm
from twisted.conch.insults.insults import ServerProtocol
rlm = TerminalRealm()
rlm.chainedProtocolFactory = lambda: ServerProtocol(
ColoredManhole, None)
auth_checker = InMemoryUsernamePasswordDatabaseDontUse(
**{username: password})
return TCPServer(port, ConchFactory(Portal(rlm, [auth_checker])))
def test_nextLine(self):
"""
L{ServerProtocol.nextLine} writes C{"\r\n"} to its transport.
"""
# Why doesn't it write ESC E? Because ESC E is poorly supported. For
# example, gnome-terminal (many different versions) fails to scroll if
# it receives ESC E and the cursor is already on the last row.
protocol = ServerProtocol()
transport = StringTransport()
protocol.makeConnection(transport)
protocol.nextLine()
self.assertEqual(transport.value(), "\r\n")
def run():
log.startLogging(file('child.log', 'w'))
fd = sys.__stdin__.fileno()
oldSettings = termios.tcgetattr(fd)
tty.setraw(fd)
try:
locals = {
"tcp": basic.tcp,
"serial": basic.serial,
"knauer": knauer,
"gilson": gilson,
"s": shortcuts
}
p = ServerProtocol(ConsoleManhole, namespace=locals)
stdio.StandardIO(p)
reactor.run()
finally:
termios.tcsetattr(fd, termios.TCSANOW, oldSettings)
os.write(fd, "\r\x1bc\r")
def indirect(self, interface):
"""
Create an L{IConchUser} avatar which will use L{ShellServer} to
interact with the connection.
"""
if interface is IConchUser:
componentized = Componentized()
user = _BetterTerminalUser(componentized, None)
session = _BetterTerminalSession(componentized)
session.transportFactory = TerminalSessionTransport
session.chainedProtocolFactory = lambda: ServerProtocol(ShellServer, self.store)
componentized.setComponent(IConchUser, user)
componentized.setComponent(ISession, session)
return user
raise NotImplementedError(interface)
def runWithProtocol(klass, masterIP, port):
""" Function overridden from twisted.conch.stdio to allow Ctrl+C interrupt
@param klass: A callable which will be invoked with
*a, **kw and should return an ITerminalProtocol
implementor. This will be invoked when a connection
to this ServerProtocol is established.
@param masterIP: IP of the master server.
@type masterIP: string
"""
fd = sys.stdin.fileno()
oldSettings = termios.tcgetattr(fd)
tty.setcbreak(fd)
try:
p = ServerProtocol(klass, masterIP, port)
stdio.StandardIO(p)
reactor.run() #@UndefinedVariable
finally:
termios.tcsetattr(fd, termios.TCSANOW, oldSettings)
os.write(fd, "\r\x1bc\r")
def setUp(self):
self.protocol = ServerProtocol()
self.transport = StringTransport()
self.protocol.makeConnection(self.transport)
class ServerProtocolOutputTests(unittest.TestCase):
"""
Tests for the bytes L{ServerProtocol} writes to its transport when its
methods are called.
"""
# From ECMA 48: CSI is represented by bit combinations 01/11
# (representing ESC) and 05/11 in a 7-bit code or by bit
# combination 09/11 in an 8-bit code
ESC = _ecmaCodeTableCoordinate(1, 11)
CSI = ESC + _ecmaCodeTableCoordinate(5, 11)
def setUp(self):
self.protocol = ServerProtocol()
self.transport = StringTransport()
self.protocol.makeConnection(self.transport)
def test_cursorUp(self):
"""
L{ServerProtocol.cursorUp} writes the control sequence
ending with L{CSFinalByte.CUU} to its transport.
"""
self.protocol.cursorUp(1)
self.assertEqual(self.transport.value(),
self.CSI + b'1' + CSFinalByte.CUU.value)
def test_cursorDown(self):
"""
L{ServerProtocol.cursorDown} writes the control sequence
ending with L{CSFinalByte.CUD} to its transport.
"""
self.protocol.cursorDown(1)
self.assertEqual(self.transport.value(),
self.CSI + b'1' + CSFinalByte.CUD.value)
def test_cursorForward(self):
"""
L{ServerProtocol.cursorForward} writes the control sequence
ending with L{CSFinalByte.CUF} to its transport.
"""
self.protocol.cursorForward(1)
self.assertEqual(self.transport.value(),
self.CSI + b'1' + CSFinalByte.CUF.value)
def test_cursorBackward(self):
"""
L{ServerProtocol.cursorBackward} writes the control sequence
ending with L{CSFinalByte.CUB} to its transport.
"""
self.protocol.cursorBackward(1)
self.assertEqual(self.transport.value(),
self.CSI + b'1' + CSFinalByte.CUB.value)
def test_cursorPosition(self):
"""
L{ServerProtocol.cursorPosition} writes a control sequence
ending with L{CSFinalByte.CUP} and containing the expected
coordinates to its transport.
"""
self.protocol.cursorPosition(0, 0)
self.assertEqual(self.transport.value(),
self.CSI + b'1;1' + CSFinalByte.CUP.value)
def test_cursorHome(self):
"""
L{ServerProtocol.cursorHome} writes a control sequence ending
with L{CSFinalByte.CUP} and no parameters, so that the client
defaults to (1, 1).
"""
self.protocol.cursorHome()
self.assertEqual(self.transport.value(),
self.CSI + CSFinalByte.CUP.value)
def test_index(self):
"""
L{ServerProtocol.index} writes the control sequence ending in
the 8-bit code table coordinates 4, 4.
Note that ECMA48 5th Edition removes C{IND}.
"""
self.protocol.index()
self.assertEqual(self.transport.value(),
self.ESC + _ecmaCodeTableCoordinate(4, 4))
def test_reverseIndex(self):
"""
L{ServerProtocol.reverseIndex} writes the control sequence
ending in the L{C1SevenBit.RI}.
"""
self.protocol.reverseIndex()
self.assertEqual(self.transport.value(),
self.ESC + C1SevenBit.RI.value)
def test_nextLine(self):
"""
L{ServerProtocol.nextLine} writes C{"\r\n"} to its transport.
"""
# Why doesn't it write ESC E? Because ESC E is poorly supported. For
# example, gnome-terminal (many different versions) fails to scroll if
# it receives ESC E and the cursor is already on the last row.
self.protocol.nextLine()
self.assertEqual(self.transport.value(), b"\r\n")
def test_setModes(self):
"""
L{ServerProtocol.setModes} writes a control sequence
containing the requested modes and ending in the
L{CSFinalByte.SM}.
"""
modesToSet = [modes.KAM, modes.IRM, modes.LNM]
self.protocol.setModes(modesToSet)
self.assertEqual(
self.transport.value(), self.CSI +
b';'.join(map(intToBytes, modesToSet)) + CSFinalByte.SM.value)
def test_setPrivateModes(self):
"""
L{ServerProtocol.setPrivatesModes} writes a control sequence
containing the requested private modes and ending in the
L{CSFinalByte.SM}.
"""
privateModesToSet = [
privateModes.ERROR, privateModes.COLUMN, privateModes.ORIGIN
]
self.protocol.setModes(privateModesToSet)
self.assertEqual(
self.transport.value(),
self.CSI + b';'.join(map(intToBytes, privateModesToSet)) +
CSFinalByte.SM.value)
def test_resetModes(self):
"""
L{ServerProtocol.resetModes} writes the control sequence
ending in the L{CSFinalByte.RM}.
"""
modesToSet = [modes.KAM, modes.IRM, modes.LNM]
self.protocol.resetModes(modesToSet)
self.assertEqual(
self.transport.value(), self.CSI +
b';'.join(map(intToBytes, modesToSet)) + CSFinalByte.RM.value)
def test_singleShift2(self):
"""
L{ServerProtocol.singleShift2} writes an escape sequence
followed by L{C1SevenBit.SS2}
"""
self.protocol.singleShift2()
self.assertEqual(self.transport.value(),
self.ESC + C1SevenBit.SS2.value)
def test_singleShift3(self):
"""
L{ServerProtocol.singleShift3} writes an escape sequence
followed by L{C1SevenBit.SS3}
"""
self.protocol.singleShift3()
self.assertEqual(self.transport.value(),
self.ESC + C1SevenBit.SS3.value)
def test_selectGraphicRendition(self):
"""
L{ServerProtocol.selectGraphicRendition} writes a control
sequence containing the requested attributes and ending with
L{CSFinalByte.SGR}
"""
self.protocol.selectGraphicRendition(str(BLINK), str(UNDERLINE))
self.assertEqual(
self.transport.value(), self.CSI + intToBytes(BLINK) + b';' +
intToBytes(UNDERLINE) + CSFinalByte.SGR.value)
def test_horizontalTabulationSet(self):
"""
L{ServerProtocol.horizontalTabulationSet} writes the escape
sequence ending in L{C1SevenBit.HTS}
"""
self.protocol.horizontalTabulationSet()
self.assertEqual(self.transport.value(),
self.ESC + C1SevenBit.HTS.value)
def test_eraseToLineEnd(self):
"""
L{ServerProtocol.eraseToLineEnd} writes the control sequence
sequence ending in L{CSFinalByte.EL} and no parameters,
forcing the client to default to 0 (from the active present
position's current location to the end of the line.)
"""
self.protocol.eraseToLineEnd()
self.assertEqual(self.transport.value(),
self.CSI + CSFinalByte.EL.value)
def test_eraseToLineBeginning(self):
"""
L{ServerProtocol.eraseToLineBeginning} writes the control
sequence sequence ending in L{CSFinalByte.EL} and a parameter
of 1 (from the beginning of the line up to and include the
active present position's current location.)
"""
self.protocol.eraseToLineBeginning()
self.assertEqual(self.transport.value(),
self.CSI + b'1' + CSFinalByte.EL.value)
def test_eraseLine(self):
"""
L{ServerProtocol.eraseLine} writes the control
sequence sequence ending in L{CSFinalByte.EL} and a parameter
of 2 (the entire line.)
"""
self.protocol.eraseLine()
self.assertEqual(self.transport.value(),
self.CSI + b'2' + CSFinalByte.EL.value)
def test_eraseToDisplayEnd(self):
"""
L{ServerProtocol.eraseToDisplayEnd} writes the control
sequence sequence ending in L{CSFinalByte.ED} and no parameters,
forcing the client to default to 0 (from the active present
position's current location to the end of the page.)
"""
self.protocol.eraseToDisplayEnd()
self.assertEqual(self.transport.value(),
self.CSI + CSFinalByte.ED.value)
def test_eraseToDisplayBeginning(self):
"""
L{ServerProtocol.eraseToDisplayBeginning} writes the control
sequence sequence ending in L{CSFinalByte.ED} a parameter of 1
(from the beginning of the page up to and include the active
present position's current location.)
"""
self.protocol.eraseToDisplayBeginning()
self.assertEqual(self.transport.value(),
self.CSI + b'1' + CSFinalByte.ED.value)
def test_eraseToDisplay(self):
"""
L{ServerProtocol.eraseDisplay} writes the control sequence
sequence ending in L{CSFinalByte.ED} a parameter of 2 (the
entire page)
"""
self.protocol.eraseDisplay()
self.assertEqual(self.transport.value(),
self.CSI + b'2' + CSFinalByte.ED.value)
def test_deleteCharacter(self):
"""
L{ServerProtocol.deleteCharacter} writes the control sequence
containing the number of characters to delete and ending in
L{CSFinalByte.DCH}
"""
self.protocol.deleteCharacter(4)
self.assertEqual(self.transport.value(),
self.CSI + b'4' + CSFinalByte.DCH.value)
def test_insertLine(self):
"""
L{ServerProtocol.insertLine} writes the control sequence
containing the number of lines to insert and ending in
L{CSFinalByte.IL}
"""
self.protocol.insertLine(5)
self.assertEqual(self.transport.value(),
self.CSI + b'5' + CSFinalByte.IL.value)
def test_deleteLine(self):
"""
L{ServerProtocol.deleteLine} writes the control sequence
containing the number of lines to delete and ending in
L{CSFinalByte.DL}
"""
self.protocol.deleteLine(6)
self.assertEqual(self.transport.value(),
self.CSI + b'6' + CSFinalByte.DL.value)
def test_setScrollRegionNoArgs(self):
"""
With no arguments, L{ServerProtocol.setScrollRegion} writes a
control sequence with no parameters, but a parameter
separator, and ending in C{b'r'}.
"""
self.protocol.setScrollRegion()
self.assertEqual(self.transport.value(), self.CSI + b';' + b'r')
def test_setScrollRegionJustFirst(self):
"""
With just a value for its C{first} argument,
L{ServerProtocol.setScrollRegion} writes a control sequence with
that parameter, a parameter separator, and finally a C{b'r'}.
"""
self.protocol.setScrollRegion(first=1)
self.assertEqual(self.transport.value(), self.CSI + b'1;' + b'r')
def test_setScrollRegionJustLast(self):
"""
With just a value for its C{last} argument,
L{ServerProtocol.setScrollRegion} writes a control sequence with
a parameter separator, that parameter, and finally a C{b'r'}.
"""
self.protocol.setScrollRegion(last=1)
self.assertEqual(self.transport.value(), self.CSI + b';1' + b'r')
def test_setScrollRegionFirstAndLast(self):
"""
When given both C{first} and C{last}
L{ServerProtocol.setScrollRegion} writes a control sequence with
the first parameter, a parameter separator, the last
parameter, and finally a C{b'r'}.
"""
self.protocol.setScrollRegion(first=1, last=2)
self.assertEqual(self.transport.value(), self.CSI + b'1;2' + b'r')
def test_reportCursorPosition(self):
"""
L{ServerProtocol.reportCursorPosition} writes a control
sequence ending in L{CSFinalByte.DSR} with a parameter of 6
(the Device Status Report returns the current active
position.)
"""
self.protocol.reportCursorPosition()
self.assertEqual(self.transport.value(),
self.CSI + b'6' + CSFinalByte.DSR.value)
def __init__(self, session):
ServerProtocol.__init__(self)
self.session = session
self.transport = WebTransport(session)
def openShell(self, protocol):
server_protocol = ServerProtocol(SSHNoSessionProtocol, self)
server_protocol.makeConnection(protocol)
protocol.makeConnection(session.wrapProtocol(server_protocol))
class ServerProtocolOutputTests(unittest.TestCase):
"""
Tests for the bytes L{ServerProtocol} writes to its transport when its
methods are called.
"""
# From ECMA 48: CSI is represented by bit combinations 01/11
# (representing ESC) and 05/11 in a 7-bit code or by bit
# combination 09/11 in an 8-bit code
ESC = _ecmaCodeTableCoordinate(1, 11)
CSI = ESC + _ecmaCodeTableCoordinate(5, 11)
def setUp(self):
self.protocol = ServerProtocol()
self.transport = StringTransport()
self.protocol.makeConnection(self.transport)
def test_cursorUp(self):
"""
L{ServerProtocol.cursorUp} writes the control sequence
ending with L{CSFinalByte.CUU} to its transport.
"""
self.protocol.cursorUp(1)
self.assertEqual(self.transport.value(),
self.CSI + b'1' + CSFinalByte.CUU.value)
def test_cursorDown(self):
"""
L{ServerProtocol.cursorDown} writes the control sequence
ending with L{CSFinalByte.CUD} to its transport.
"""
self.protocol.cursorDown(1)
self.assertEqual(self.transport.value(),
self.CSI + b'1' + CSFinalByte.CUD.value)
def test_cursorForward(self):
"""
L{ServerProtocol.cursorForward} writes the control sequence
ending with L{CSFinalByte.CUF} to its transport.
"""
self.protocol.cursorForward(1)
self.assertEqual(self.transport.value(),
self.CSI + b'1' + CSFinalByte.CUF.value)
def test_cursorBackward(self):
"""
L{ServerProtocol.cursorBackward} writes the control sequence
ending with L{CSFinalByte.CUB} to its transport.
"""
self.protocol.cursorBackward(1)
self.assertEqual(self.transport.value(),
self.CSI + b'1' + CSFinalByte.CUB.value)
def test_cursorPosition(self):
"""
L{ServerProtocol.cursorPosition} writes a control sequence
ending with L{CSFinalByte.CUP} and containing the expected
coordinates to its transport.
"""
self.protocol.cursorPosition(0, 0)
self.assertEqual(self.transport.value(),
self.CSI + b'1;1' + CSFinalByte.CUP.value)
def test_cursorHome(self):
"""
L{ServerProtocol.cursorHome} writes a control sequence ending
with L{CSFinalByte.CUP} and no parameters, so that the client
defaults to (1, 1).
"""
self.protocol.cursorHome()
self.assertEqual(self.transport.value(),
self.CSI + CSFinalByte.CUP.value)
def test_index(self):
"""
L{ServerProtocol.index} writes the control sequence ending in
the 8-bit code table coordinates 4, 4.
Note that ECMA48 5th Edition removes C{IND}.
"""
self.protocol.index()
self.assertEqual(self.transport.value(),
self.ESC + _ecmaCodeTableCoordinate(4, 4))
def test_reverseIndex(self):
"""
L{ServerProtocol.reverseIndex} writes the control sequence
ending in the L{C1SevenBit.RI}.
"""
self.protocol.reverseIndex()
self.assertEqual(self.transport.value(),
self.ESC + C1SevenBit.RI.value)
def test_nextLine(self):
"""
L{ServerProtocol.nextLine} writes C{"\r\n"} to its transport.
"""
# Why doesn't it write ESC E? Because ESC E is poorly supported. For
# example, gnome-terminal (many different versions) fails to scroll if
# it receives ESC E and the cursor is already on the last row.
self.protocol.nextLine()
self.assertEqual(self.transport.value(), b"\r\n")
def test_setModes(self):
"""
L{ServerProtocol.setModes} writes a control sequence
containing the requested modes and ending in the
L{CSFinalByte.SM}.
"""
modesToSet = [modes.KAM, modes.IRM, modes.LNM]
self.protocol.setModes(modesToSet)
self.assertEqual(self.transport.value(),
self.CSI +
b';'.join(map(intToBytes, modesToSet)) +
CSFinalByte.SM.value)
def test_setPrivateModes(self):
"""
L{ServerProtocol.setPrivatesModes} writes a control sequence
containing the requested private modes and ending in the
L{CSFinalByte.SM}.
"""
privateModesToSet = [privateModes.ERROR,
privateModes.COLUMN,
privateModes.ORIGIN]
self.protocol.setModes(privateModesToSet)
self.assertEqual(self.transport.value(),
self.CSI +
b';'.join(map(intToBytes, privateModesToSet)) +
CSFinalByte.SM.value)
def test_resetModes(self):
"""
L{ServerProtocol.resetModes} writes the control sequence
ending in the L{CSFinalByte.RM}.
"""
modesToSet = [modes.KAM, modes.IRM, modes.LNM]
self.protocol.resetModes(modesToSet)
self.assertEqual(self.transport.value(),
self.CSI +
b';'.join(map(intToBytes, modesToSet)) +
CSFinalByte.RM.value)
def test_singleShift2(self):
"""
L{ServerProtocol.singleShift2} writes an escape sequence
followed by L{C1SevenBit.SS2}
"""
self.protocol.singleShift2()
self.assertEqual(self.transport.value(),
self.ESC + C1SevenBit.SS2.value)
def test_singleShift3(self):
"""
L{ServerProtocol.singleShift3} writes an escape sequence
followed by L{C1SevenBit.SS3}
"""
self.protocol.singleShift3()
self.assertEqual(self.transport.value(),
self.ESC + C1SevenBit.SS3.value)
def test_selectGraphicRendition(self):
"""
L{ServerProtocol.selectGraphicRendition} writes a control
sequence containing the requested attributes and ending with
L{CSFinalByte.SGR}
"""
self.protocol.selectGraphicRendition(str(BLINK), str(UNDERLINE))
self.assertEqual(self.transport.value(),
self.CSI +
intToBytes(BLINK) + b';' + intToBytes(UNDERLINE) +
CSFinalByte.SGR.value)
def test_horizontalTabulationSet(self):
"""
L{ServerProtocol.horizontalTabulationSet} writes the escape
sequence ending in L{C1SevenBit.HTS}
"""
self.protocol.horizontalTabulationSet()
self.assertEqual(self.transport.value(),
self.ESC +
C1SevenBit.HTS.value)
def test_eraseToLineEnd(self):
"""
L{ServerProtocol.eraseToLineEnd} writes the control sequence
sequence ending in L{CSFinalByte.EL} and no parameters,
forcing the client to default to 0 (from the active present
position's current location to the end of the line.)
"""
self.protocol.eraseToLineEnd()
self.assertEqual(self.transport.value(),
self.CSI + CSFinalByte.EL.value)
def test_eraseToLineBeginning(self):
"""
L{ServerProtocol.eraseToLineBeginning} writes the control
sequence sequence ending in L{CSFinalByte.EL} and a parameter
of 1 (from the beginning of the line up to and include the
active present position's current location.)
"""
self.protocol.eraseToLineBeginning()
self.assertEqual(self.transport.value(),
self.CSI + b'1' + CSFinalByte.EL.value)
def test_eraseLine(self):
"""
L{ServerProtocol.eraseLine} writes the control
sequence sequence ending in L{CSFinalByte.EL} and a parameter
of 2 (the entire line.)
"""
self.protocol.eraseLine()
self.assertEqual(self.transport.value(),
self.CSI + b'2' + CSFinalByte.EL.value)
def test_eraseToDisplayEnd(self):
"""
L{ServerProtocol.eraseToDisplayEnd} writes the control
sequence sequence ending in L{CSFinalByte.ED} and no parameters,
forcing the client to default to 0 (from the active present
position's current location to the end of the page.)
"""
self.protocol.eraseToDisplayEnd()
self.assertEqual(self.transport.value(),
self.CSI + CSFinalByte.ED.value)
def test_eraseToDisplayBeginning(self):
"""
L{ServerProtocol.eraseToDisplayBeginning} writes the control
sequence sequence ending in L{CSFinalByte.ED} a parameter of 1
(from the beginning of the page up to and include the active
present position's current location.)
"""
self.protocol.eraseToDisplayBeginning()
self.assertEqual(self.transport.value(),
self.CSI + b'1' + CSFinalByte.ED.value)
def test_eraseToDisplay(self):
"""
L{ServerProtocol.eraseDisplay} writes the control sequence
sequence ending in L{CSFinalByte.ED} a parameter of 2 (the
entire page)
"""
self.protocol.eraseDisplay()
self.assertEqual(self.transport.value(),
self.CSI + b'2' + CSFinalByte.ED.value)
def test_deleteCharacter(self):
"""
L{ServerProtocol.deleteCharacter} writes the control sequence
containing the number of characters to delete and ending in
L{CSFinalByte.DCH}
"""
self.protocol.deleteCharacter(4)
self.assertEqual(self.transport.value(),
self.CSI + b'4' + CSFinalByte.DCH.value)
def test_insertLine(self):
"""
L{ServerProtocol.insertLine} writes the control sequence
containing the number of lines to insert and ending in
L{CSFinalByte.IL}
"""
self.protocol.insertLine(5)
self.assertEqual(self.transport.value(),
self.CSI + b'5' + CSFinalByte.IL.value)
def test_deleteLine(self):
"""
L{ServerProtocol.deleteLine} writes the control sequence
containing the number of lines to delete and ending in
L{CSFinalByte.DL}
"""
self.protocol.deleteLine(6)
self.assertEqual(self.transport.value(),
self.CSI + b'6' + CSFinalByte.DL.value)
def test_setScrollRegionNoArgs(self):
"""
With no arguments, L{ServerProtocol.setScrollRegion} writes a
control sequence with no parameters, but a parameter
separator, and ending in C{b'r'}.
"""
self.protocol.setScrollRegion()
self.assertEqual(self.transport.value(), self.CSI + b';' + b'r')
def test_setScrollRegionJustFirst(self):
"""
With just a value for its C{first} argument,
L{ServerProtocol.setScrollRegion} writes a control sequence with
that parameter, a parameter separator, and finally a C{b'r'}.
"""
self.protocol.setScrollRegion(first=1)
self.assertEqual(self.transport.value(), self.CSI + b'1;' + b'r')
def test_setScrollRegionJustLast(self):
"""
With just a value for its C{last} argument,
L{ServerProtocol.setScrollRegion} writes a control sequence with
a parameter separator, that parameter, and finally a C{b'r'}.
"""
self.protocol.setScrollRegion(last=1)
self.assertEqual(self.transport.value(), self.CSI + b';1' + b'r')
def test_setScrollRegionFirstAndLast(self):
"""
When given both C{first} and C{last}
L{ServerProtocol.setScrollRegion} writes a control sequence with
the first parameter, a parameter separator, the last
parameter, and finally a C{b'r'}.
"""
self.protocol.setScrollRegion(first=1, last=2)
self.assertEqual(self.transport.value(), self.CSI + b'1;2' + b'r')
def test_reportCursorPosition(self):
"""
L{ServerProtocol.reportCursorPosition} writes a control
sequence ending in L{CSFinalByte.DSR} with a parameter of 6
(the Device Status Report returns the current active
position.)
"""
self.protocol.reportCursorPosition()
self.assertEqual(self.transport.value(),
self.CSI + b'6' + CSFinalByte.DSR.value)
def setUp(self):
self.protocol = ServerProtocol()
self.transport = StringTransport()
self.protocol.makeConnection(self.transport)
def __init__(self, session):
ServerProtocol.__init__(self)
self.session = session
self.transport = WebTransport(session)