def test_get_async_param(self):
"""
L{twisted.python.compat._get_async_param} uses isAsync by default,
or deprecated async keyword argument if isAsync is None.
"""
self.assertEqual(_get_async_param(isAsync=False), False)
self.assertEqual(_get_async_param(isAsync=True), True)
self.assertEqual(_get_async_param(isAsync=None, **{"async": False}), False)
self.assertEqual(_get_async_param(isAsync=None, **{"async": True}), True)
self.assertRaises(TypeError, _get_async_param, False, {"async": False})
def test_get_async_param_deprecation(self):
"""
L{twisted.python.compat._get_async_param} raises a deprecation
warning if async keyword argument is passed.
"""
self.assertEqual(_get_async_param(isAsync=None, **{'async': False}),
False)
currentWarnings = self.flushWarnings(
offendingFunctions=[self.test_get_async_param_deprecation])
self.assertEqual(
currentWarnings[0]['message'],
"'async' keyword argument is deprecated, please use isAsync")
def addOutput(self, data, isAsync=None, **kwargs):
isAsync = _get_async_param(isAsync, **kwargs)
if isAsync:
self.terminal.eraseLine()
self.terminal.cursorBackward(len(self.lineBuffer) +
len(self.ps[self.pn]))
self.terminal.write(data)
if isAsync:
if self._needsNewline():
self.terminal.nextLine()
self.terminal.write(self.ps[self.pn])
if self.lineBuffer:
oldBuffer = self.lineBuffer
self.lineBuffer = []
self.lineBufferIndex = 0
self._deliverBuffer(oldBuffer)
def write(self, data, isAsync=None, **kwargs):
isAsync = _get_async_param(isAsync, **kwargs)
self.handler.addOutput(data, isAsync)
