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#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
# setup, usage, teardown, errors(sync), errors(async), stress, soak,
# boundary-conditions, config
from qpid.tests import Test
from qpid.framing import *
class Base(Test):
def cmp_frames(self, frm1, frm2):
assert frm1.flags == frm2.flags, "expected: %r, got %r" % (frm1, frm2)
assert frm1.type == frm2.type, "expected: %r, got %r" % (frm1, frm2)
assert frm1.track == frm2.track, "expected: %r, got %r" % (frm1, frm2)
assert frm1.channel == frm2.channel, "expected: %r, got %r" % (frm1, frm2)
assert frm1.payload == frm2.payload, "expected: %r, got %r" % (frm1, frm2)
def cmp_segments(self, seg1, seg2):
assert seg1.first == seg2.first, "expected: %r, got %r" % (seg1, seg2)
assert seg1.last == seg2.last, "expected: %r, got %r" % (seg1, seg2)
assert seg1.type == seg2.type, "expected: %r, got %r" % (seg1, seg2)
assert seg1.track == seg2.track, "expected: %r, got %r" % (seg1, seg2)
assert seg1.channel == seg2.channel, "expected: %r, got %r" % (seg1, seg2)
assert seg1.payload == seg2.payload, "expected: %r, got %r" % (seg1, seg2)
class FrameTest(Base):
def enc_dec(self, frames, encoded=None):
enc = FrameEncoder()
dec = FrameDecoder()
enc.write(*frames)
bytes = enc.read()
if encoded is not None:
assert bytes == encoded, "expected %r, got %r" % (encoded, bytes)
dec.write(bytes)
dframes = dec.read()
assert len(frames) == len(dframes)
for f, df, in zip(frames, dframes):
self.cmp_frames(f, df)
def testEmpty(self):
self.enc_dec([Frame(0, 0, 0, 0, "")],
"\x00\x00\x00\x0c\x00\x00\x00\x00\x00\x00\x00\x00")
def testSingle(self):
self.enc_dec([Frame(0, 0, 0, 1, "payload")],
"\x00\x00\x00\x13\x00\x00\x00\x01\x00\x00\x00\x00payload")
def testMaxChannel(self):
self.enc_dec([Frame(0, 0, 0, 65535, "max-channel")],
"\x00\x00\x00\x17\x00\x00\xff\xff\x00\x00\x00\x00max-channel")
def testMaxType(self):
self.enc_dec([Frame(0, 255, 0, 0, "max-type")],
"\x00\xff\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00max-type")
def testMaxTrack(self):
self.enc_dec([Frame(0, 0, 15, 0, "max-track")],
"\x00\x00\x00\x15\x00\x0f\x00\x00\x00\x00\x00\x00max-track")
def testSequence(self):
self.enc_dec([Frame(0, 0, 0, 0, "zero"),
Frame(0, 0, 0, 1, "one"),
Frame(0, 0, 1, 0, "two"),
Frame(0, 0, 1, 1, "three"),
Frame(0, 1, 0, 0, "four"),
Frame(0, 1, 0, 1, "five"),
Frame(0, 1, 1, 0, "six"),
Frame(0, 1, 1, 1, "seven"),
Frame(1, 0, 0, 0, "eight"),
Frame(1, 0, 0, 1, "nine"),
Frame(1, 0, 1, 0, "ten"),
Frame(1, 0, 1, 1, "eleven"),
Frame(1, 1, 0, 0, "twelve"),
Frame(1, 1, 0, 1, "thirteen"),
Frame(1, 1, 1, 0, "fourteen"),
Frame(1, 1, 1, 1, "fifteen")])
class SegmentTest(Base):
def enc_dec(self, segments, frames=None, interleave=None, max_payload=Frame.MAX_PAYLOAD):
enc = SegmentEncoder(max_payload)
dec = SegmentDecoder()
enc.write(*segments)
frms = enc.read()
if frames is not None:
assert len(frames) == len(frms), "expected %s, got %s" % (frames, frms)
for f1, f2 in zip(frames, frms):
self.cmp_frames(f1, f2)
if interleave is not None:
ilvd = []
for f in frms:
ilvd.append(f)
if interleave:
ilvd.append(interleave.pop(0))
ilvd.extend(interleave)
dec.write(*ilvd)
else:
dec.write(*frms)
segs = dec.read()
assert len(segments) == len(segs)
for s1, s2 in zip(segments, segs):
self.cmp_segments(s1, s2)
def testEmpty(self):
self.enc_dec([Segment(True, True, 0, 0, 0, "")],
[Frame(FIRST_FRM | LAST_FRM | FIRST_SEG | LAST_SEG, 0, 0, 0,
"")])
def testSingle(self):
self.enc_dec([Segment(True, True, 0, 0, 0, "payload")],
[Frame(FIRST_FRM | LAST_FRM | FIRST_SEG | LAST_SEG, 0, 0, 0,
"payload")])
def testMaxChannel(self):
self.enc_dec([Segment(False, False, 0, 0, 65535, "max-channel")],
[Frame(FIRST_FRM | LAST_FRM, 0, 0, 65535, "max-channel")])
def testMaxType(self):
self.enc_dec([Segment(False, False, 255, 0, 0, "max-type")],
[Frame(FIRST_FRM | LAST_FRM, 255, 0, 0, "max-type")])
def testMaxTrack(self):
self.enc_dec([Segment(False, False, 0, 15, 0, "max-track")],
[Frame(FIRST_FRM | LAST_FRM, 0, 15, 0, "max-track")])
def testSequence(self):
self.enc_dec([Segment(True, False, 0, 0, 0, "one"),
Segment(False, False, 0, 0, 0, "two"),
Segment(False, True, 0, 0, 0, "three")],
[Frame(FIRST_FRM | LAST_FRM | FIRST_SEG, 0, 0, 0, "one"),
Frame(FIRST_FRM | LAST_FRM, 0, 0, 0, "two"),
Frame(FIRST_FRM | LAST_FRM | LAST_SEG, 0, 0, 0, "three")])
def testInterleaveChannel(self):
frames = [Frame(0, 0, 0, 0, chr(ord("a") + i)) for i in range(7)]
frames[0].flags |= FIRST_FRM
frames[-1].flags |= LAST_FRM
ilvd = [Frame(0, 0, 0, 1, chr(ord("a") + i)) for i in range(7)]
self.enc_dec([Segment(False, False, 0, 0, 0, "abcdefg")], frames, ilvd, max_payload=1)
def testInterleaveTrack(self):
frames = [Frame(0, 0, 0, 0, "%c%c" % (ord("a") + i, ord("a") + i + 1))
for i in range(0, 8, 2)]
frames[0].flags |= FIRST_FRM
frames[-1].flags |= LAST_FRM
ilvd = [Frame(0, 0, 1, 0, "%c%c" % (ord("a") + i, ord("a") + i + 1))
for i in range(0, 8, 2)]
self.enc_dec([Segment(False, False, 0, 0, 0, "abcdefgh")], frames, ilvd, max_payload=2)
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