ytdl-sub/tests/e2e/expected_download.py
2022-05-01 06:05:00 +00:00

47 lines
1.6 KiB
Python

import hashlib
import os.path
from pathlib import Path
from typing import Dict
class ExpectedDownload:
"""
To test ytdl-sub downloads work, we compare each downloaded file's md5 hash to an
expected md5 hash defined in this class
"""
def __init__(self, expected_md5_file_hashes: Dict[Path, str]):
self.expected_md5_file_hashes = expected_md5_file_hashes
@property
def file_count(self) -> int:
return len(self.expected_md5_file_hashes)
def assert_files_exist(self, relative_directory: Path):
"""
Assert each expected file exists and that its respective md5 hash matches.
"""
num_files = 0
for path in Path(relative_directory).rglob("*"):
if path.is_file():
num_files += 1
relative_path = Path(*path.parts[3:])
assert (
relative_path in self.expected_md5_file_hashes
), f"File {relative_path} was created but not expected"
assert num_files == self.file_count, "Mismatch in number of created files"
for relative_path, expected_md5_hash in self.expected_md5_file_hashes.items():
full_path = Path(relative_directory) / relative_path
assert os.path.isfile(
full_path
), f"Expected {str(relative_path)} to be a file but it is not"
with open(full_path, "rb") as file:
md5_hash = hashlib.md5(file.read()).hexdigest()
assert (
md5_hash == expected_md5_hash
), f"MD5 hash for {str(relative_path)} does not match"