1# Copyright 2023 Google LLC
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      https://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15# -----------------------------------------------------------------------------
16# Imports
17# -----------------------------------------------------------------------------
18import hashlib
19import os
20from bumble.decoder import G722Decoder
21
22
23# -----------------------------------------------------------------------------
24def test_decode_file():
25    decoder = G722Decoder()
26    output_bytes = bytearray()
27
28    with open(
29        os.path.join(os.path.dirname(__file__), 'g722_sample.g722'), 'rb'
30    ) as file:
31        file_content = file.read()
32        frame_length = 80
33        data_length = int(len(file_content) / frame_length)
34
35        for i in range(0, data_length):
36            decoded_data = decoder.decode_frame(
37                file_content[i * frame_length : i * frame_length + frame_length]
38            )
39            output_bytes.extend(decoded_data)
40
41        result = hashlib.md5(output_bytes).hexdigest()
42        assert result == 'b58e0cdd012d12f5633fc796c3b0fbd4'
43
44
45# -----------------------------------------------------------------------------
46if __name__ == '__main__':
47    test_decode_file()
48