74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
# Copyright 2021-2022 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# -----------------------------------------------------------------------------
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# Imports
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# -----------------------------------------------------------------------------
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import random
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import os
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from bumble.transport.common import PacketParser
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# -----------------------------------------------------------------------------
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class Sink:
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def __init__(self):
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self.packets = []
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def on_packet(self, packet):
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self.packets.append(packet)
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# -----------------------------------------------------------------------------
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def test_parser():
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sink1 = Sink()
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parser1 = PacketParser(sink1)
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sink2 = Sink()
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parser2 = PacketParser(sink2)
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for parser in [parser1, parser2]:
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with open(os.path.join(os.path.dirname(__file__), 'hci_data_001.bin'), 'rb') as input:
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while True:
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n = random.randint(1, 9)
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data = input.read(n)
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if not data:
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break
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parser.feed_data(data)
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assert(sink1.packets == sink2.packets)
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# -----------------------------------------------------------------------------
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def test_parser_extensions():
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sink = Sink()
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parser = PacketParser(sink)
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# Check that an exception is thrown for an unknown type
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try:
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parser.feed_data(bytes([0x77, 0x00, 0x02, 0x01, 0x02]))
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exception_thrown = False
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except ValueError:
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exception_thrown = True
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assert(exception_thrown)
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# Now add a custom info
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parser.extended_packet_info[0x77] = (1, 1, 'B')
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parser.reset()
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parser.feed_data(bytes([0x77, 0x00, 0x02, 0x01, 0x02]))
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assert(len(sink.packets) == 1)
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# -----------------------------------------------------------------------------
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test_parser()
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test_parser_extensions() |