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

291 lines
11 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 pytest
import numpy as np
import mindspore.dataset as ds
import mindspore.dataset.vision.c_transforms as vision
import mindspore.log as logger
DATA_DIR = "../data/dataset/testWIDERFace/"
def test_wider_face_basic():
"""
Feature: WIDERFace dataset
Description: Read all files
Expectation: Throw number of data in all files
"""
logger.info("Test WIDERFaceDataset Op")
# case 1: test loading default usage dataset
data1 = ds.WIDERFaceDataset(DATA_DIR)
num_iter1 = 0
for _ in data1.create_dict_iterator(num_epochs=1, output_numpy=True):
num_iter1 += 1
assert num_iter1 == 4
# case 2: test num_samples
data2 = ds.WIDERFaceDataset(DATA_DIR, num_samples=1)
num_iter2 = 0
for _ in data2.create_dict_iterator(num_epochs=1, output_numpy=True):
num_iter2 += 1
assert num_iter2 == 1
# case 3: test repeat
data3 = ds.WIDERFaceDataset(DATA_DIR, num_samples=2)
data3 = data3.repeat(5)
num_iter3 = 0
for _ in data3.create_dict_iterator(num_epochs=1, output_numpy=True):
num_iter3 += 1
assert num_iter3 == 10
def test_wider_face_noshuffle():
"""
Feature: WIDERFace dataset
Description: Test noshuffle
Expectation: Throw number of data in all files
"""
logger.info("Test Case noShuffle")
# define parameters
repeat_count = 1
# apply dataset operations
# Note: "all" reads both "train" dataset (2 samples) and "valid" dataset (2 samples)
data1 = ds.WIDERFaceDataset(DATA_DIR, shuffle=False)
data1 = data1.repeat(repeat_count)
num_iter = 0
# each data is a dictionary
for _ in data1.create_dict_iterator(num_epochs=1, output_numpy=True):
num_iter += 1
assert num_iter == 4
def test_wider_face_usage():
"""
Feature: WIDERFace dataset
Description: Test Usage
Expectation: Throw number of data in all files
"""
logger.info("Test WIDERFaceDataset usage flag")
def test_config(usage, wider_face_path=DATA_DIR):
try:
data = ds.WIDERFaceDataset(wider_face_path, usage=usage)
num_rows = 0
for _ in data.create_dict_iterator(num_epochs=1, output_numpy=True):
num_rows += 1
except (ValueError, TypeError, RuntimeError) as e:
return str(e)
return num_rows
# test the usage of WIDERFacce
assert test_config("test") == 3
assert test_config("train") == 2
assert test_config("valid") == 2
assert test_config("all") == 4
assert "usage is not within the valid set of ['train', 'test', 'valid', 'all']" in test_config(
"invalid")
# change to the folder that contains all WIDERFacce files
all_wider_face = None
if all_wider_face is not None:
assert test_config("test", all_wider_face) == 16097
assert test_config("valid", all_wider_face) == 3226
assert test_config("train", all_wider_face) == 12880
assert test_config("all", all_wider_face) == 16106
assert ds.WIDERFaceDataset(all_wider_face, usage="test").get_dataset_size() == 16097
assert ds.WIDERFaceDataset(all_wider_face, usage="valid").get_dataset_size() == 3226
assert ds.WIDERFaceDataset(all_wider_face, usage="train").get_dataset_size() == 12880
assert ds.WIDERFaceDataset(all_wider_face, usage="all").get_dataset_size() == 16106
def test_wider_face_sequential_sampler():
"""
Feature: WIDERFace dataset
Description: test SequentialSampler
Expectation: get correct number of data
"""
num_samples = 1
sampler = ds.SequentialSampler(num_samples=num_samples)
data1 = ds.WIDERFaceDataset(DATA_DIR, 'test', sampler=sampler)
data2 = ds.WIDERFaceDataset(DATA_DIR, 'test', shuffle=False, num_samples=num_samples)
matches_list1, matches_list2 = [], []
num_iter = 0
for item1, item2 in zip(data1.create_dict_iterator(num_epochs=1), data2.create_dict_iterator(num_epochs=1)):
matches_list1.append(item1["image"].asnumpy())
matches_list2.append(item2["image"].asnumpy())
num_iter += 1
np.testing.assert_array_equal(matches_list1, matches_list2)
assert num_iter == num_samples
def test_wider_face_pipeline():
"""
Feature: Pipeline test
Description: Read a sample
Expectation: The amount of each function are equal
"""
dataset = ds.WIDERFaceDataset(DATA_DIR, "valid", num_samples=1, decode=True)
resize_op = vision.Resize((100, 100))
dataset = dataset.map(input_columns=["image"], operations=resize_op)
num_iter = 0
for _ in dataset.create_dict_iterator(num_epochs=1, output_numpy=True):
num_iter += 1
assert num_iter == 1
def test_wider_face_exception():
"""
Feature: WIDERFace dataset
Description: Throw error messages when certain errors occur
Expectation: Error message
"""
logger.info("Test error cases for WIDERFaceDataset")
error_msg_1 = "sampler and shuffle cannot be specified at the same time"
with pytest.raises(RuntimeError, match=error_msg_1):
ds.WIDERFaceDataset(DATA_DIR, shuffle=False, sampler=ds.PKSampler(3))
error_msg_2 = "sampler and sharding cannot be specified at the same time"
with pytest.raises(RuntimeError, match=error_msg_2):
ds.WIDERFaceDataset(DATA_DIR, sampler=ds.PKSampler(
3), num_shards=2, shard_id=0)
error_msg_3 = "num_shards is specified and currently requires shard_id as well"
with pytest.raises(RuntimeError, match=error_msg_3):
ds.WIDERFaceDataset(DATA_DIR, num_shards=10)
error_msg_4 = "shard_id is specified but num_shards is not"
with pytest.raises(RuntimeError, match=error_msg_4):
ds.WIDERFaceDataset(DATA_DIR, shard_id=0)
error_msg_5 = "Input shard_id is not within the required interval"
with pytest.raises(ValueError, match=error_msg_5):
ds.WIDERFaceDataset(DATA_DIR, num_shards=5, shard_id=-1)
with pytest.raises(ValueError, match=error_msg_5):
ds.WIDERFaceDataset(DATA_DIR, num_shards=5, shard_id=5)
with pytest.raises(ValueError, match=error_msg_5):
ds.WIDERFaceDataset(DATA_DIR, num_shards=2, shard_id=5)
error_msg_6 = "num_parallel_workers exceeds"
with pytest.raises(ValueError, match=error_msg_6):
ds.WIDERFaceDataset(DATA_DIR, shuffle=False, num_parallel_workers=0)
with pytest.raises(ValueError, match=error_msg_6):
ds.WIDERFaceDataset(DATA_DIR, shuffle=False, num_parallel_workers=256)
with pytest.raises(ValueError, match=error_msg_6):
ds.WIDERFaceDataset(DATA_DIR, shuffle=False, num_parallel_workers=-2)
error_msg_7 = "Argument shard_id"
with pytest.raises(TypeError, match=error_msg_7):
ds.WIDERFaceDataset(DATA_DIR, num_shards=2, shard_id="0")
def exception_func(item):
raise Exception("Error occur!")
# usage = test
try:
data = ds.WIDERFaceDataset(DATA_DIR, usage="test", shuffle=False)
data = data.map(operations=exception_func, input_columns=["image"], num_parallel_workers=1)
for _ in data.create_dict_iterator(num_epochs=1, output_numpy=True):
pass
assert False
except RuntimeError as e:
assert "map operation: [PyFunc] failed. The corresponding data files" in str(e)
# usage = all
try:
data = ds.WIDERFaceDataset(DATA_DIR, usage="all", shuffle=False)
data = data.map(operations=exception_func, input_columns=["image"], num_parallel_workers=1)
for _ in data.create_dict_iterator(num_epochs=1, output_numpy=True):
pass
assert False
except RuntimeError as e:
assert "map operation: [PyFunc] failed. The corresponding data files" in str(e)
try:
data = ds.WIDERFaceDataset(DATA_DIR, shuffle=False)
data = data.map(operations=exception_func, input_columns=["bbox"], num_parallel_workers=1)
for _ in data.create_dict_iterator(num_epochs=1, output_numpy=True):
pass
assert False
except RuntimeError as e:
assert "map operation: [PyFunc] failed. The corresponding data files" in str(e)
try:
data = ds.WIDERFaceDataset(DATA_DIR, shuffle=False)
data = data.map(operations=exception_func, input_columns=["blur"], num_parallel_workers=1)
for _ in data.create_dict_iterator(num_epochs=1, output_numpy=True):
pass
assert False
except RuntimeError as e:
assert "map operation: [PyFunc] failed. The corresponding data files" in str(e)
try:
data = ds.WIDERFaceDataset(DATA_DIR, shuffle=False)
data = data.map(operations=exception_func, input_columns=["expression"], num_parallel_workers=1)
for _ in data.create_dict_iterator(num_epochs=1, output_numpy=True):
pass
assert False
except RuntimeError as e:
assert "map operation: [PyFunc] failed. The corresponding data files" in str(e)
try:
data = ds.WIDERFaceDataset(DATA_DIR, shuffle=False)
data = data.map(operations=exception_func, input_columns=["illumination"], num_parallel_workers=1)
for _ in data.create_dict_iterator(num_epochs=1, output_numpy=True):
pass
assert False
except RuntimeError as e:
assert "map operation: [PyFunc] failed. The corresponding data files" in str(e)
try:
data = ds.WIDERFaceDataset(DATA_DIR, shuffle=False)
data = data.map(operations=exception_func, input_columns=["occlusion"], num_parallel_workers=1)
for _ in data.create_dict_iterator(num_epochs=1, output_numpy=True):
pass
assert False
except RuntimeError as e:
assert "map operation: [PyFunc] failed. The corresponding data files" in str(e)
try:
data = ds.WIDERFaceDataset(DATA_DIR, shuffle=False)
data = data.map(operations=exception_func, input_columns=["pose"], num_parallel_workers=1)
for _ in data.create_dict_iterator(num_epochs=1, output_numpy=True):
pass
assert False
except RuntimeError as e:
assert "map operation: [PyFunc] failed. The corresponding data files" in str(e)
try:
data = ds.WIDERFaceDataset(DATA_DIR, shuffle=False)
data = data.map(operations=exception_func, input_columns=["invalid"], num_parallel_workers=1)
for _ in data.create_dict_iterator(num_epochs=1, output_numpy=True):
pass
assert False
except RuntimeError as e:
assert "map operation: [PyFunc] failed. The corresponding data files" in str(e)
if __name__ == '__main__':
test_wider_face_basic()
test_wider_face_sequential_sampler()
test_wider_face_noshuffle()
test_wider_face_usage()
test_wider_face_pipeline()
test_wider_face_exception()