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# Copyright (c) OpenMMLab. All rights reserved.
import os.path as osp
from pathlib import Path
import pytest
import mmcv
def test_is_filepath():
assert mmcv.is_filepath(__file__)
assert mmcv.is_filepath('abc')
assert mmcv.is_filepath(Path('/etc'))
assert not mmcv.is_filepath(0)
def test_fopen():
assert hasattr(mmcv.fopen(__file__), 'read')
assert hasattr(mmcv.fopen(Path(__file__)), 'read')
def test_check_file_exist():
mmcv.check_file_exist(__file__)
with pytest.raises(FileNotFoundError):
mmcv.check_file_exist('no_such_file.txt')
def test_scandir():
folder = osp.join(osp.dirname(osp.dirname(__file__)), 'data/for_scan')
filenames = ['a.bin', '1.txt', '2.txt', '1.json', '2.json', '3.TXT']
assert set(mmcv.scandir(folder)) == set(filenames)
assert set(mmcv.scandir(Path(folder))) == set(filenames)
assert set(mmcv.scandir(folder, '.txt')) == {
filename
for filename in filenames if filename.endswith('.txt')
}
assert set(mmcv.scandir(folder, ('.json', '.txt'))) == {
filename
for filename in filenames if filename.endswith(('.txt', '.json'))
}
assert set(mmcv.scandir(folder, '.png')) == set()
# path of sep is `\\` in windows but `/` in linux, so osp.join should be
# used to join string for compatibility
filenames_recursive = [
'a.bin', '1.txt', '2.txt', '1.json', '2.json', '3.TXT',
osp.join('sub', '1.json'),
osp.join('sub', '1.txt'), '.file'
]
# .file starts with '.' and is a file so it will not be scanned
assert set(mmcv.scandir(folder, recursive=True)) == {
filename
for filename in filenames_recursive if filename != '.file'
}
assert set(mmcv.scandir(Path(folder), recursive=True)) == {
filename
for filename in filenames_recursive if filename != '.file'
}
assert set(mmcv.scandir(folder, '.txt', recursive=True)) == {
filename
for filename in filenames_recursive if filename.endswith('.txt')
}
assert set(
mmcv.scandir(folder, '.TXT', recursive=True,
case_sensitive=False)) == {
filename
for filename in filenames_recursive
if filename.endswith(('.txt', '.TXT'))
}
assert set(
mmcv.scandir(
folder, ('.TXT', '.JSON'), recursive=True,
case_sensitive=False)) == {
filename
for filename in filenames_recursive
if filename.endswith(('.txt', '.json', '.TXT'))
}
with pytest.raises(TypeError):
list(mmcv.scandir(123))
with pytest.raises(TypeError):
list(mmcv.scandir(folder, 111))
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