mindspore2022/tests/ut/python/dataset/test_treble_biquad.py

101 lines
5.5 KiB
Python

# Copyright 2021 Huawei Technologies Co., Ltd
#
# Licensed 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.
# ==============================================================================
import numpy as np
import pytest
import mindspore.dataset as ds
import mindspore.dataset.audio.transforms as audio
from mindspore import log as logger
def count_unequal_element(data_expected, data_me, rtol, atol):
assert data_expected.shape == data_me.shape
total_count = len(data_expected.flatten())
error = np.abs(data_expected - data_me)
greater = np.greater(error, atol + np.abs(data_expected) * rtol)
loss_count = np.count_nonzero(greater)
assert (loss_count / total_count) < rtol, "\ndata_expected_std:{0}\ndata_me_error:{1}\nloss:{2}".format(
data_expected[greater], data_me[greater], error[greater])
def test_treble_biquad_eager():
""" mindspore eager mode normal testcase:treble_biquad op"""
# Original waveform
waveform = np.array([[0.234, 1.873, 0.786], [-2.673, 0.886, 1.666]], dtype=np.float64)
# Expect waveform
expect_waveform = np.array([[1., 1., -1.], [-1., 1., -1.]], dtype=np.float64)
treble_biquad_op = audio.TrebleBiquad(44100, 200.0)
# Filtered waveform by treblebiquad
output = treble_biquad_op(waveform)
count_unequal_element(expect_waveform, output, 0.0001, 0.0001)
def test_treble_biquad_pipeline():
""" mindspore pipeline mode normal testcase:treble_biquad op"""
# Original waveform
waveform = np.array([[1, 2, 3], [4, 5, 6]], dtype=np.float64)
# Expect waveform
expect_waveform = np.array([[1., -1., 1.], [1., -1., 1.]], dtype=np.float64)
dataset = ds.NumpySlicesDataset(waveform, ["waveform"], shuffle=False)
treble_biquad_op = audio.TrebleBiquad(44100, 200.0)
# Filtered waveform by treblebiquad
dataset = dataset.map(input_columns=["waveform"], operations=treble_biquad_op)
i = 0
for item in dataset.create_dict_iterator(num_epochs=1, output_numpy=True):
count_unequal_element(expect_waveform[i, :], item['waveform'], 0.0001, 0.0001)
i += 1
def test_treble_biquad_invalid_input():
def test_invalid_input(test_name, sample_rate, gain, central_freq, Q, error, error_msg):
logger.info("Test TrebleBiquad with bad input: {0}".format(test_name))
with pytest.raises(error) as error_info:
audio.TrebleBiquad(sample_rate, gain, central_freq, Q)
assert error_msg in str(error_info.value)
test_invalid_input("invalid sample_rate parameter type as a float", 44100.5, 0.2, 3000, 0.707, TypeError,
"Argument sample_rate with value 44100.5 is not of type [<class 'int'>],"
" but got <class 'float'>.")
test_invalid_input("invalid sample_rate parameter type as a String", "44100", 0.2, 3000, 0.707, TypeError,
"Argument sample_rate with value 44100 is not of type [<class 'int'>], "
"but got <class 'str'>.")
test_invalid_input("invalid gain parameter type as a String", 4410, "0", 3000, 0.707, TypeError,
"Argument gain with value 0 is not of type [<class 'float'>, <class 'int'>],"
+ " but got <class 'str'>.")
test_invalid_input("invalid central_rate parameter value", 4410, 0.2, None, 0.707, TypeError,
"Argument central_freq with value None is not of type [<class 'float'>, <class 'int'>]," +
" but got <class 'NoneType'>.")
test_invalid_input("invalid Q parameter type as a String", 4410, 0.2, 3000, "0", TypeError,
"Argument Q with value 0 is not of type [<class 'float'>, <class 'int'>]," +
" but got <class 'str'>.")
test_invalid_input("invalid sample_rate parameter value", 0, 0.2, 3000, 0.707, ValueError,
"Input sample_rate is not within the required interval of [-2147483648, 0) and (0, 2147483647].")
test_invalid_input("invalid sample_rate parameter value", 441324343243242342345300, 0.2, 3000, 0.707, ValueError,
"Input sample_rate is not within the required interval of [-2147483648, 0) and (0, 2147483647].")
test_invalid_input("invalid gain parameter value", 44100, 32434324324234321, 3000, 0.707, ValueError,
"Input gain is not within the required interval of [-16777216, 16777216].")
test_invalid_input("invalid central_freq parameter value", 44100, 0.2, 32434324324234321, 0.707, ValueError,
"Input central_freq is not within the required interval of [-16777216, 16777216].")
test_invalid_input("invalid Q parameter value", 44100, 0.2, 3000, 1.707, ValueError,
"Input Q is not within the required interval of (0, 1].")
test_invalid_input("invalid Q parameter value", 44100, 0.2, 3000, 0, ValueError,
"Input Q is not within the required interval of (0, 1].")
if __name__ == "__main__":
test_treble_biquad_eager()
test_treble_biquad_pipeline()
test_treble_biquad_invalid_input()