def test_get_dataset(self):
"""Test the different functions to get lists of data files."""
cached_data_test_files = str(get_data_dir())
# Test base locations
charbase = os.path.join(DATA_ROOT, 'charset_files')
assert os.path.exists(charbase)
testbase = os.path.join(DATA_ROOT, 'test_files')
assert os.path.exists(testbase)
# Test file get
chardata = get_charset_files()
assert 15 < len(chardata)
# Test that top level file is included
bases = [basename(x) for x in chardata]
# Test that subdirectory files included
testdata = get_testdata_files()
bases = [basename(x) for x in testdata]
assert '2693' in bases
assert 70 < len(testdata)
# The files should be from their respective bases
for x in testdata:
assert testbase in x or cached_data_test_files in x
for x in chardata:
assert charbase in x
def test_fetch_data_files():
"""Test fetch_data_files()."""
# Remove a single file from the cache
cache = get_data_dir()
path = cache / "693_J2KR.dcm"
if path.exists():
path.unlink()
assert not path.exists()
fetch_data_files()
assert path.exists()
def fetch_data_files():
"""Download missing test files to the local cache."""
cache = get_data_dir()
paths = {cache / fname: fname for fname in list(get_url_map().keys())}
error = []
for p in paths:
# Download missing files or files that don't match the hash
try:
data_path_with_download(p.name)
except Exception:
error.append(p.name)
if error:
raise RuntimeError(
"An error occurred downloading the following files: "
f"{', '.join(error)}")
def test_get_dataset(self):
"""Test the different functions to get lists of data files."""
# The cached files downloaded from the pydicom-data repo
cached_data_test_files = str(get_data_dir())
# If pydicom-data is available locally
ext_path = None
if 'pydicom-data' in external_data_sources():
ext_path = os.fspath(
external_data_sources()['pydicom-data'].data_path)
# Test base locations
charbase = os.path.join(DATA_ROOT, 'charset_files')
assert os.path.exists(charbase)
testbase = os.path.join(DATA_ROOT, 'test_files')
assert os.path.exists(testbase)
# Test file get
chardata = get_charset_files()
assert 15 < len(chardata)
# Test that top level file is included
bases = [basename(x) for x in chardata]
# Test that subdirectory files included
testdata = get_testdata_files()
bases = [basename(x) for x in testdata]
assert '2693' in bases
assert 70 < len(testdata)
# The files should be from their respective bases
for x in testdata:
# Don't check files from external sources other than pydicom-data
if (testbase not in x and cached_data_test_files not in x
and (ext_path not in x if ext_path else True)):
continue
assert (testbase in x or cached_data_test_files in x
or (ext_path in x if ext_path else False))
for x in chardata:
assert charbase in x