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from __future__ import absolute_import, print_function
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import unittest
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from mercurial import (
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util,
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wireprotoframing as framing,
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)
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ffs = framing.makeframefromhumanstring
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def makereactor(deferoutput=False):
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return framing.serverreactor(deferoutput=deferoutput)
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def sendframes(reactor, gen):
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"""Send a generator of frame bytearray to a reactor.
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Emits a generator of results from ``onframerecv()`` calls.
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"""
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for frame in gen:
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header = framing.parseheader(frame)
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payload = frame[framing.FRAME_HEADER_SIZE:]
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assert len(payload) == header.length
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yield reactor.onframerecv(framing.frame(header.requestid,
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header.typeid,
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header.flags,
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payload))
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def sendcommandframes(reactor, rid, cmd, args, datafh=None):
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"""Generate frames to run a command and send them to a reactor."""
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return sendframes(reactor,
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framing.createcommandframes(rid, cmd, args, datafh))
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class FrameTests(unittest.TestCase):
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def testdataexactframesize(self):
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data = util.bytesio(b'x' * framing.DEFAULT_MAX_FRAME_SIZE)
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frames = list(framing.createcommandframes(1, b'command', {}, data))
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self.assertEqual(frames, [
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ffs(b'1 command-name have-data command'),
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ffs(b'1 command-data continuation %s' % data.getvalue()),
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ffs(b'1 command-data eos ')
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])
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def testdatamultipleframes(self):
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data = util.bytesio(b'x' * (framing.DEFAULT_MAX_FRAME_SIZE + 1))
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frames = list(framing.createcommandframes(1, b'command', {}, data))
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self.assertEqual(frames, [
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ffs(b'1 command-name have-data command'),
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ffs(b'1 command-data continuation %s' % (
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b'x' * framing.DEFAULT_MAX_FRAME_SIZE)),
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ffs(b'1 command-data eos x'),
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])
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def testargsanddata(self):
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data = util.bytesio(b'x' * 100)
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frames = list(framing.createcommandframes(1, b'command', {
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b'key1': b'key1value',
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b'key2': b'key2value',
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b'key3': b'key3value',
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}, data))
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self.assertEqual(frames, [
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ffs(b'1 command-name have-args|have-data command'),
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ffs(br'1 command-argument 0 \x04\x00\x09\x00key1key1value'),
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ffs(br'1 command-argument 0 \x04\x00\x09\x00key2key2value'),
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ffs(br'1 command-argument eoa \x04\x00\x09\x00key3key3value'),
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ffs(b'1 command-data eos %s' % data.getvalue()),
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])
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def testtextoutputexcessiveargs(self):
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"""At most 255 formatting arguments are allowed."""
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with self.assertRaisesRegexp(ValueError,
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'cannot use more than 255 formatting'):
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args = [b'x' for i in range(256)]
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list(framing.createtextoutputframe(1, [(b'bleh', args, [])]))
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def testtextoutputexcessivelabels(self):
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"""At most 255 labels are allowed."""
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with self.assertRaisesRegexp(ValueError,
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'cannot use more than 255 labels'):
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labels = [b'l' for i in range(256)]
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list(framing.createtextoutputframe(1, [(b'bleh', [], labels)]))
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def testtextoutputformattingstringtype(self):
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"""Formatting string must be bytes."""
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with self.assertRaisesRegexp(ValueError, 'must use bytes formatting '):
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list(framing.createtextoutputframe(1, [
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(b'foo'.decode('ascii'), [], [])]))
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def testtextoutputargumentbytes(self):
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with self.assertRaisesRegexp(ValueError, 'must use bytes for argument'):
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list(framing.createtextoutputframe(1, [
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(b'foo', [b'foo'.decode('ascii')], [])]))
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def testtextoutputlabelbytes(self):
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with self.assertRaisesRegexp(ValueError, 'must use bytes for labels'):
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list(framing.createtextoutputframe(1, [
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(b'foo', [], [b'foo'.decode('ascii')])]))
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def testtextoutputtoolongformatstring(self):
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with self.assertRaisesRegexp(ValueError,
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'formatting string cannot be longer than'):
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list(framing.createtextoutputframe(1, [
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(b'x' * 65536, [], [])]))
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def testtextoutputtoolongargumentstring(self):
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with self.assertRaisesRegexp(ValueError,
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'argument string cannot be longer than'):
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list(framing.createtextoutputframe(1, [
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(b'bleh', [b'x' * 65536], [])]))
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def testtextoutputtoolonglabelstring(self):
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with self.assertRaisesRegexp(ValueError,
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'label string cannot be longer than'):
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list(framing.createtextoutputframe(1, [
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(b'bleh', [], [b'x' * 65536])]))
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def testtextoutput1simpleatom(self):
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val = list(framing.createtextoutputframe(1, [
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(b'foo', [], [])]))
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self.assertEqual(val, [
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ffs(br'1 text-output 0 \x03\x00\x00\x00foo'),
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])
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def testtextoutput2simpleatoms(self):
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val = list(framing.createtextoutputframe(1, [
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(b'foo', [], []),
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(b'bar', [], []),
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]))
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self.assertEqual(val, [
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ffs(br'1 text-output 0 \x03\x00\x00\x00foo\x03\x00\x00\x00bar'),
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])
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def testtextoutput1arg(self):
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val = list(framing.createtextoutputframe(1, [
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(b'foo %s', [b'val1'], []),
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]))
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self.assertEqual(val, [
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ffs(br'1 text-output 0 \x06\x00\x00\x01\x04\x00foo %sval1'),
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])
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def testtextoutput2arg(self):
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val = list(framing.createtextoutputframe(1, [
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(b'foo %s %s', [b'val', b'value'], []),
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]))
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self.assertEqual(val, [
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ffs(br'1 text-output 0 \x09\x00\x00\x02\x03\x00\x05\x00'
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br'foo %s %svalvalue'),
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])
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def testtextoutput1label(self):
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val = list(framing.createtextoutputframe(1, [
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(b'foo', [], [b'label']),
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]))
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self.assertEqual(val, [
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ffs(br'1 text-output 0 \x03\x00\x01\x00\x05foolabel'),
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])
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def testargandlabel(self):
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val = list(framing.createtextoutputframe(1, [
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(b'foo %s', [b'arg'], [b'label']),
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]))
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self.assertEqual(val, [
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ffs(br'1 text-output 0 \x06\x00\x01\x01\x05\x03\x00foo %slabelarg'),
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])
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class ServerReactorTests(unittest.TestCase):
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def _sendsingleframe(self, reactor, s):
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results = list(sendframes(reactor, [ffs(s)]))
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self.assertEqual(len(results), 1)
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return results[0]
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def assertaction(self, res, expected):
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self.assertIsInstance(res, tuple)
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self.assertEqual(len(res), 2)
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self.assertIsInstance(res[1], dict)
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self.assertEqual(res[0], expected)
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def assertframesequal(self, frames, framestrings):
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expected = [ffs(s) for s in framestrings]
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self.assertEqual(list(frames), expected)
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def test1framecommand(self):
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"""Receiving a command in a single frame yields request to run it."""
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reactor = makereactor()
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results = list(sendcommandframes(reactor, 1, b'mycommand', {}))
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self.assertEqual(len(results), 1)
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self.assertaction(results[0], 'runcommand')
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self.assertEqual(results[0][1], {
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'requestid': 1,
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'command': b'mycommand',
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'args': {},
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'data': None,
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})
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result = reactor.oninputeof()
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self.assertaction(result, 'noop')
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def test1argument(self):
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reactor = makereactor()
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results = list(sendcommandframes(reactor, 41, b'mycommand',
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{b'foo': b'bar'}))
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self.assertEqual(len(results), 2)
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self.assertaction(results[0], 'wantframe')
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self.assertaction(results[1], 'runcommand')
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self.assertEqual(results[1][1], {
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'requestid': 41,
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'command': b'mycommand',
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'args': {b'foo': b'bar'},
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'data': None,
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})
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def testmultiarguments(self):
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reactor = makereactor()
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results = list(sendcommandframes(reactor, 1, b'mycommand',
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{b'foo': b'bar', b'biz': b'baz'}))
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self.assertEqual(len(results), 3)
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self.assertaction(results[0], 'wantframe')
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self.assertaction(results[1], 'wantframe')
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self.assertaction(results[2], 'runcommand')
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self.assertEqual(results[2][1], {
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'requestid': 1,
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'command': b'mycommand',
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'args': {b'foo': b'bar', b'biz': b'baz'},
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'data': None,
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})
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def testsimplecommanddata(self):
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reactor = makereactor()
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results = list(sendcommandframes(reactor, 1, b'mycommand', {},
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util.bytesio(b'data!')))
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self.assertEqual(len(results), 2)
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self.assertaction(results[0], 'wantframe')
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self.assertaction(results[1], 'runcommand')
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self.assertEqual(results[1][1], {
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'requestid': 1,
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'command': b'mycommand',
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'args': {},
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'data': b'data!',
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})
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def testmultipledataframes(self):
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frames = [
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ffs(b'1 command-name have-data mycommand'),
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ffs(b'1 command-data continuation data1'),
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ffs(b'1 command-data continuation data2'),
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ffs(b'1 command-data eos data3'),
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]
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reactor = makereactor()
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results = list(sendframes(reactor, frames))
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self.assertEqual(len(results), 4)
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for i in range(3):
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self.assertaction(results[i], 'wantframe')
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self.assertaction(results[3], 'runcommand')
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self.assertEqual(results[3][1], {
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'requestid': 1,
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'command': b'mycommand',
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'args': {},
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'data': b'data1data2data3',
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})
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def testargumentanddata(self):
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frames = [
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ffs(b'1 command-name have-args|have-data command'),
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ffs(br'1 command-argument 0 \x03\x00\x03\x00keyval'),
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ffs(br'1 command-argument eoa \x03\x00\x03\x00foobar'),
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ffs(b'1 command-data continuation value1'),
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ffs(b'1 command-data eos value2'),
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]
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reactor = makereactor()
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results = list(sendframes(reactor, frames))
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self.assertaction(results[-1], 'runcommand')
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self.assertEqual(results[-1][1], {
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'requestid': 1,
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'command': b'command',
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'args': {
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b'key': b'val',
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b'foo': b'bar',
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},
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'data': b'value1value2',
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})
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def testunexpectedcommandargument(self):
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"""Command argument frame when not running a command is an error."""
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result = self._sendsingleframe(makereactor(),
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b'1 command-argument 0 ignored')
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self.assertaction(result, 'error')
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self.assertEqual(result[1], {
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'message': b'expected command frame; got 2',
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})
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def testunexpectedcommandargumentreceiving(self):
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"""Same as above but the command is receiving."""
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results = list(sendframes(makereactor(), [
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ffs(b'1 command-name have-data command'),
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ffs(b'1 command-argument eoa ignored'),
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]))
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self.assertaction(results[1], 'error')
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self.assertEqual(results[1][1], {
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'message': b'received command argument frame for request that is '
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b'not expecting arguments: 1',
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})
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def testunexpectedcommanddata(self):
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"""Command argument frame when not running a command is an error."""
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result = self._sendsingleframe(makereactor(),
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b'1 command-data 0 ignored')
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self.assertaction(result, 'error')
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self.assertEqual(result[1], {
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'message': b'expected command frame; got 3',
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})
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def testunexpectedcommanddatareceiving(self):
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"""Same as above except the command is receiving."""
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results = list(sendframes(makereactor(), [
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ffs(b'1 command-name have-args command'),
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ffs(b'1 command-data eos ignored'),
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]))
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self.assertaction(results[1], 'error')
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self.assertEqual(results[1][1], {
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'message': b'received command data frame for request that is not '
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b'expecting data: 1',
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})
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def testmissingcommandframeflags(self):
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"""Command name frame must have flags set."""
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result = self._sendsingleframe(makereactor(),
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b'1 command-name 0 command')
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self.assertaction(result, 'error')
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self.assertEqual(result[1], {
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'message': b'missing frame flags on command frame',
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})
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def testconflictingrequestid(self):
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"""Multiple fully serviced commands with same request ID is allowed."""
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results = list(sendframes(makereactor(), [
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ffs(b'1 command-name eos command'),
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ffs(b'1 command-name eos command'),
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ffs(b'1 command-name eos command'),
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]))
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for i in range(3):
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self.assertaction(results[i], 'runcommand')
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self.assertEqual(results[i][1], {
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'requestid': 1,
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'command': b'command',
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'args': {},
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'data': None,
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})
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def testconflictingrequestid(self):
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"""Request ID for new command matching in-flight command is illegal."""
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results = list(sendframes(makereactor(), [
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ffs(b'1 command-name have-args command'),
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ffs(b'1 command-name eos command'),
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]))
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self.assertaction(results[0], 'wantframe')
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self.assertaction(results[1], 'error')
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self.assertEqual(results[1][1], {
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'message': b'request with ID 1 already received',
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})
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def testinterleavedcommands(self):
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results = list(sendframes(makereactor(), [
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ffs(b'1 command-name have-args command1'),
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ffs(b'3 command-name have-args command3'),
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ffs(br'1 command-argument 0 \x03\x00\x03\x00foobar'),
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ffs(br'3 command-argument 0 \x03\x00\x03\x00bizbaz'),
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ffs(br'3 command-argument eoa \x03\x00\x03\x00keyval'),
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ffs(br'1 command-argument eoa \x04\x00\x03\x00key1val'),
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]))
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self.assertEqual([t[0] for t in results], [
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'wantframe',
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'wantframe',
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'wantframe',
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'wantframe',
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'runcommand',
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'runcommand',
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])
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self.assertEqual(results[4][1], {
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'requestid': 3,
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'command': 'command3',
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'args': {b'biz': b'baz', b'key': b'val'},
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'data': None,
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})
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self.assertEqual(results[5][1], {
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'requestid': 1,
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'command': 'command1',
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'args': {b'foo': b'bar', b'key1': b'val'},
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'data': None,
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})
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def testmissingargumentframe(self):
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# This test attempts to test behavior when reactor has an incomplete
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# command request waiting on argument data. But it doesn't handle that
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# scenario yet. So this test does nothing of value.
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frames = [
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|
|
ffs(b'1 command-name have-args command'),
|
|
|
]
|
|
|
|
|
|
results = list(sendframes(makereactor(), frames))
|
|
|
self.assertaction(results[0], 'wantframe')
|
|
|
|
|
|
def testincompleteargumentname(self):
|
|
|
"""Argument frame with incomplete name."""
|
|
|
frames = [
|
|
|
ffs(b'1 command-name have-args command1'),
|
|
|
ffs(br'1 command-argument eoa \x04\x00\xde\xadfoo'),
|
|
|
]
|
|
|
|
|
|
results = list(sendframes(makereactor(), frames))
|
|
|
self.assertEqual(len(results), 2)
|
|
|
self.assertaction(results[0], 'wantframe')
|
|
|
self.assertaction(results[1], 'error')
|
|
|
self.assertEqual(results[1][1], {
|
|
|
'message': b'malformed argument frame: partial argument name',
|
|
|
})
|
|
|
|
|
|
def testincompleteargumentvalue(self):
|
|
|
"""Argument frame with incomplete value."""
|
|
|
frames = [
|
|
|
ffs(b'1 command-name have-args command'),
|
|
|
ffs(br'1 command-argument eoa \x03\x00\xaa\xaafoopartialvalue'),
|
|
|
]
|
|
|
|
|
|
results = list(sendframes(makereactor(), frames))
|
|
|
self.assertEqual(len(results), 2)
|
|
|
self.assertaction(results[0], 'wantframe')
|
|
|
self.assertaction(results[1], 'error')
|
|
|
self.assertEqual(results[1][1], {
|
|
|
'message': b'malformed argument frame: partial argument value',
|
|
|
})
|
|
|
|
|
|
def testmissingcommanddataframe(self):
|
|
|
# The reactor doesn't currently handle partially received commands.
|
|
|
# So this test is failing to do anything with request 1.
|
|
|
frames = [
|
|
|
ffs(b'1 command-name have-data command1'),
|
|
|
ffs(b'3 command-name eos command2'),
|
|
|
]
|
|
|
results = list(sendframes(makereactor(), frames))
|
|
|
self.assertEqual(len(results), 2)
|
|
|
self.assertaction(results[0], 'wantframe')
|
|
|
self.assertaction(results[1], 'runcommand')
|
|
|
|
|
|
def testmissingcommanddataframeflags(self):
|
|
|
frames = [
|
|
|
ffs(b'1 command-name have-data command1'),
|
|
|
ffs(b'1 command-data 0 data'),
|
|
|
]
|
|
|
results = list(sendframes(makereactor(), frames))
|
|
|
self.assertEqual(len(results), 2)
|
|
|
self.assertaction(results[0], 'wantframe')
|
|
|
self.assertaction(results[1], 'error')
|
|
|
self.assertEqual(results[1][1], {
|
|
|
'message': b'command data frame without flags',
|
|
|
})
|
|
|
|
|
|
def testframefornonreceivingrequest(self):
|
|
|
"""Receiving a frame for a command that is not receiving is illegal."""
|
|
|
results = list(sendframes(makereactor(), [
|
|
|
ffs(b'1 command-name eos command1'),
|
|
|
ffs(b'3 command-name have-data command3'),
|
|
|
ffs(b'1 command-argument eoa ignored'),
|
|
|
]))
|
|
|
self.assertaction(results[2], 'error')
|
|
|
self.assertEqual(results[2][1], {
|
|
|
'message': b'received frame for request that is not receiving: 1',
|
|
|
})
|
|
|
|
|
|
def testsimpleresponse(self):
|
|
|
"""Bytes response to command sends result frames."""
|
|
|
reactor = makereactor()
|
|
|
list(sendcommandframes(reactor, 1, b'mycommand', {}))
|
|
|
|
|
|
result = reactor.onbytesresponseready(1, b'response')
|
|
|
self.assertaction(result, 'sendframes')
|
|
|
self.assertframesequal(result[1]['framegen'], [
|
|
|
b'1 bytes-response eos response',
|
|
|
])
|
|
|
|
|
|
def testmultiframeresponse(self):
|
|
|
"""Bytes response spanning multiple frames is handled."""
|
|
|
first = b'x' * framing.DEFAULT_MAX_FRAME_SIZE
|
|
|
second = b'y' * 100
|
|
|
|
|
|
reactor = makereactor()
|
|
|
list(sendcommandframes(reactor, 1, b'mycommand', {}))
|
|
|
|
|
|
result = reactor.onbytesresponseready(1, first + second)
|
|
|
self.assertaction(result, 'sendframes')
|
|
|
self.assertframesequal(result[1]['framegen'], [
|
|
|
b'1 bytes-response continuation %s' % first,
|
|
|
b'1 bytes-response eos %s' % second,
|
|
|
])
|
|
|
|
|
|
def testapplicationerror(self):
|
|
|
reactor = makereactor()
|
|
|
list(sendcommandframes(reactor, 1, b'mycommand', {}))
|
|
|
|
|
|
result = reactor.onapplicationerror(1, b'some message')
|
|
|
self.assertaction(result, 'sendframes')
|
|
|
self.assertframesequal(result[1]['framegen'], [
|
|
|
b'1 error-response application some message',
|
|
|
])
|
|
|
|
|
|
def test1commanddeferresponse(self):
|
|
|
"""Responses when in deferred output mode are delayed until EOF."""
|
|
|
reactor = makereactor(deferoutput=True)
|
|
|
results = list(sendcommandframes(reactor, 1, b'mycommand', {}))
|
|
|
self.assertEqual(len(results), 1)
|
|
|
self.assertaction(results[0], 'runcommand')
|
|
|
|
|
|
result = reactor.onbytesresponseready(1, b'response')
|
|
|
self.assertaction(result, 'noop')
|
|
|
result = reactor.oninputeof()
|
|
|
self.assertaction(result, 'sendframes')
|
|
|
self.assertframesequal(result[1]['framegen'], [
|
|
|
b'1 bytes-response eos response',
|
|
|
])
|
|
|
|
|
|
def testmultiplecommanddeferresponse(self):
|
|
|
reactor = makereactor(deferoutput=True)
|
|
|
list(sendcommandframes(reactor, 1, b'command1', {}))
|
|
|
list(sendcommandframes(reactor, 3, b'command2', {}))
|
|
|
|
|
|
result = reactor.onbytesresponseready(1, b'response1')
|
|
|
self.assertaction(result, 'noop')
|
|
|
result = reactor.onbytesresponseready(3, b'response2')
|
|
|
self.assertaction(result, 'noop')
|
|
|
result = reactor.oninputeof()
|
|
|
self.assertaction(result, 'sendframes')
|
|
|
self.assertframesequal(result[1]['framegen'], [
|
|
|
b'1 bytes-response eos response1',
|
|
|
b'3 bytes-response eos response2'
|
|
|
])
|
|
|
|
|
|
def testrequestidtracking(self):
|
|
|
reactor = makereactor(deferoutput=True)
|
|
|
list(sendcommandframes(reactor, 1, b'command1', {}))
|
|
|
list(sendcommandframes(reactor, 3, b'command2', {}))
|
|
|
list(sendcommandframes(reactor, 5, b'command3', {}))
|
|
|
|
|
|
# Register results for commands out of order.
|
|
|
reactor.onbytesresponseready(3, b'response3')
|
|
|
reactor.onbytesresponseready(1, b'response1')
|
|
|
reactor.onbytesresponseready(5, b'response5')
|
|
|
|
|
|
result = reactor.oninputeof()
|
|
|
self.assertaction(result, 'sendframes')
|
|
|
self.assertframesequal(result[1]['framegen'], [
|
|
|
b'3 bytes-response eos response3',
|
|
|
b'1 bytes-response eos response1',
|
|
|
b'5 bytes-response eos response5',
|
|
|
])
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
import silenttestrunner
|
|
|
silenttestrunner.main(__name__)
|
|
|
|
