def main(files=None):
"""Validate DPX files in paths given as arguments to the program.
Informative details are written to standard output stream and errors
are written to standard error stream."""
paths = None
if files:
paths = list(files)
else:
paths = sys.argv[1:]
if not paths:
raise MissingFiles('USAGE: dpxv FILENAME ...')
for dpx_file in paths:
valid = True
for msg_type, msg in validate_file(dpx_file):
if msg_type == MSG["info"]:
print("File {}: {}".format(dpx_file, msg))
elif msg_type == MSG["error"]:
valid = False
print("File {}: {}".format(dpx_file, msg), file=sys.stderr)
else:
raise UndefinedMessage(
"Undefined message type {}".format(msg_type))
if valid:
print("File {} is valid".format(dpx_file))
def test_invalid_files(testfile):
"""Test that validation summary has info and errors."""
messages = {MSG["info"]: [], MSG["error"]: []}
for msg_type, info in validate_file(testfile):
assert msg_type in MSG.values()
assert info
messages[msg_type].append(info)
assert len(messages[MSG["error"]]) > 0, testfile
def test_validate_truncated_file(testfile):
"""Truncated file stop validation of the file."""
validate = validate_file(testfile)
msg_type, info = next(validate)
assert msg_type == MSG["error"]
assert info
with pytest.raises(StopIteration):
next(validate)
def test_valid_files(testfile):
"""Test that validation summary has info and errors."""
for msg_type, info in validate_file(testfile):
assert msg_type == MSG["info"]
assert info
def test_validate_file(testfile):
"""Test that validation summary has info and errors."""
for msg_type, info in validate_file(testfile):
assert msg_type in MSG.values()
assert info