Files
metube/app/tests/test_main_helpers.py
T

285 lines
11 KiB
Python

"""Tests for pure helpers in ``main`` (legacy API migration, logging, JSON serializer)."""
from __future__ import annotations
import json
import logging
import unittest
import main
class MigrateLegacyRequestTests(unittest.TestCase):
def test_already_new_schema_unchanged(self):
post = {"download_type": "video", "codec": "h264", "format": "mp4", "quality": "1080"}
before = post.copy()
self.assertIs(main._migrate_legacy_request(post), post)
self.assertEqual(post, before)
def test_legacy_audio_m4a(self):
post = {"format": "m4a", "quality": "best"}
main._migrate_legacy_request(post)
self.assertEqual(post["download_type"], "audio")
self.assertEqual(post["codec"], "auto")
self.assertEqual(post["format"], "m4a")
def test_legacy_thumbnail(self):
post = {"format": "thumbnail", "quality": "best"}
main._migrate_legacy_request(post)
self.assertEqual(post["download_type"], "thumbnail")
self.assertEqual(post["format"], "jpg")
self.assertEqual(post["quality"], "best")
def test_legacy_captions_with_subtitle_format(self):
post = {"format": "captions", "subtitle_format": "vtt", "quality": "best"}
main._migrate_legacy_request(post)
self.assertEqual(post["download_type"], "captions")
self.assertEqual(post["format"], "vtt")
def test_legacy_video_best_ios(self):
post = {"format": "any", "quality": "best_ios", "video_codec": "auto"}
main._migrate_legacy_request(post)
self.assertEqual(post["download_type"], "video")
self.assertEqual(post["format"], "ios")
self.assertEqual(post["quality"], "best")
def test_legacy_video_quality_audio_maps_to_m4a(self):
post = {"format": "mp4", "quality": "audio", "video_codec": "h264"}
main._migrate_legacy_request(post)
self.assertEqual(post["download_type"], "audio")
self.assertEqual(post["format"], "m4a")
self.assertEqual(post["quality"], "best")
def test_legacy_video_default(self):
post = {"format": "mp4", "quality": "1080", "video_codec": "h265"}
main._migrate_legacy_request(post)
self.assertEqual(post["download_type"], "video")
self.assertEqual(post["codec"], "h265")
self.assertEqual(post["format"], "mp4")
self.assertEqual(post["quality"], "1080")
class ParseLogLevelTests(unittest.TestCase):
def test_valid_levels(self):
self.assertEqual(main.parseLogLevel("INFO"), logging.INFO)
self.assertEqual(main.parseLogLevel("debug"), logging.DEBUG)
def test_invalid_returns_none(self):
self.assertIsNone(main.parseLogLevel("not_a_level"))
self.assertIsNone(main.parseLogLevel(123))
class ObjectSerializerTests(unittest.TestCase):
def test_dict_like_object(self):
class Obj:
def __init__(self):
self.a = 1
ser = main.ObjectSerializer()
self.assertEqual(json.loads(ser.encode(Obj())), {"a": 1})
def test_generator_becomes_list(self):
ser = main.ObjectSerializer()
def gen():
yield 1
yield 2
self.assertEqual(json.loads(ser.encode(gen())), [1, 2])
def test_string_not_split_to_chars(self):
ser = main.ObjectSerializer()
self.assertEqual(json.loads(ser.encode("hello")), "hello")
class FrontendSafeTests(unittest.TestCase):
def test_only_expected_keys(self):
safe = main.config.frontend_safe()
for key in main.Config._FRONTEND_KEYS:
self.assertIn(key, safe)
self.assertNotIn("YTDL_OPTIONS", safe)
self.assertNotIn("DOWNLOAD_DIR", safe)
self.assertIn("ALLOW_YTDL_OPTIONS_OVERRIDES", safe)
class ParseYtdlOverridesTests(unittest.TestCase):
def test_empty_override_string_returns_empty_dict(self):
self.assertEqual(main._parse_ytdl_options_overrides("", enabled=False), {})
def test_rejects_non_object_json(self):
with self.assertRaises(main.web.HTTPBadRequest):
main._parse_ytdl_options_overrides('["bad"]', enabled=True)
def test_rejects_non_empty_overrides_when_disabled(self):
with self.assertRaises(main.web.HTTPBadRequest):
main._parse_ytdl_options_overrides('{"exec": "rm -rf /"}', enabled=False)
def test_allows_any_keys_when_enabled(self):
self.assertEqual(
main._parse_ytdl_options_overrides('{"exec": "rm -rf /"}', enabled=True),
{"exec": "rm -rf /"},
)
class ParseDownloadOptionsTests(unittest.TestCase):
def test_accepts_known_preset_and_overrides(self):
previous = dict(main.config.YTDL_OPTIONS_PRESETS)
previous_allow = main.config.ALLOW_YTDL_OPTIONS_OVERRIDES
main.config.YTDL_OPTIONS_PRESETS = {"With subtitles": {"writesubtitles": True}}
main.config.ALLOW_YTDL_OPTIONS_OVERRIDES = True
try:
parsed = main.parse_download_options({
"url": "https://example.com/v",
"download_type": "video",
"codec": "auto",
"format": "any",
"quality": "best",
"ytdl_options_preset": "With subtitles",
"ytdl_options_overrides": '{"writesubtitles": true}',
})
finally:
main.config.YTDL_OPTIONS_PRESETS = previous
main.config.ALLOW_YTDL_OPTIONS_OVERRIDES = previous_allow
self.assertEqual(parsed["ytdl_options_presets"], ["With subtitles"])
self.assertEqual(parsed["ytdl_options_overrides"], {"writesubtitles": True})
def test_accepts_multiple_presets_in_order(self):
previous = dict(main.config.YTDL_OPTIONS_PRESETS)
main.config.YTDL_OPTIONS_PRESETS = {
"A": {"writesubtitles": True},
"B": {"writesubtitles": False},
}
try:
parsed = main.parse_download_options({
"url": "https://example.com/v",
"download_type": "video",
"codec": "auto",
"format": "any",
"quality": "best",
"ytdl_options_presets": ["A", "B"],
})
finally:
main.config.YTDL_OPTIONS_PRESETS = previous
self.assertEqual(parsed["ytdl_options_presets"], ["A", "B"])
def test_legacy_singular_preset_string_normalized_to_list(self):
previous = dict(main.config.YTDL_OPTIONS_PRESETS)
main.config.YTDL_OPTIONS_PRESETS = {"Solo": {}}
try:
parsed = main.parse_download_options({
"url": "https://example.com/v",
"download_type": "video",
"codec": "auto",
"format": "any",
"quality": "best",
"ytdl_options_preset": "Solo",
})
finally:
main.config.YTDL_OPTIONS_PRESETS = previous
self.assertEqual(parsed["ytdl_options_presets"], ["Solo"])
def test_rejects_unknown_preset(self):
with self.assertRaises(main.web.HTTPBadRequest):
main.parse_download_options({
"url": "https://example.com/v",
"download_type": "video",
"codec": "auto",
"format": "any",
"quality": "best",
"ytdl_options_presets": ["Missing preset"],
})
def test_rejects_unknown_preset_in_list(self):
previous = dict(main.config.YTDL_OPTIONS_PRESETS)
main.config.YTDL_OPTIONS_PRESETS = {"Known": {}}
try:
with self.assertRaises(main.web.HTTPBadRequest):
main.parse_download_options({
"url": "https://example.com/v",
"download_type": "video",
"codec": "auto",
"format": "any",
"quality": "best",
"ytdl_options_presets": ["Known", "Nope"],
})
finally:
main.config.YTDL_OPTIONS_PRESETS = previous
def test_clip_start_end_seconds_and_clock(self):
parsed = main.parse_download_options({
"url": "https://example.com/watch?v=1",
"download_type": "video",
"codec": "auto",
"format": "any",
"quality": "best",
"clip_start": "2:26",
"clip_end": "3:24",
})
self.assertEqual(parsed["clip_start"], 146.0)
self.assertEqual(parsed["clip_end"], 204.0)
def test_clip_url_t_param_strips_query_and_sets_start(self):
parsed = main.parse_download_options({
"url": "https://example.com/watch?v=1&t=855s",
"download_type": "video",
"codec": "auto",
"format": "any",
"quality": "best",
})
self.assertEqual(parsed["url"], "https://example.com/watch?v=1")
self.assertEqual(parsed["clip_start"], 855.0)
self.assertIsNone(parsed["clip_end"])
def test_clip_explicit_start_wins_over_url_t(self):
parsed = main.parse_download_options({
"url": "https://example.com/watch?v=1&t=100",
"download_type": "video",
"codec": "auto",
"format": "any",
"quality": "best",
"clip_start": "50",
})
self.assertEqual(parsed["url"], "https://example.com/watch?v=1")
self.assertEqual(parsed["clip_start"], 50.0)
self.assertIsNone(parsed["clip_end"])
def test_clip_end_only_sets_start_zero_and_strips_url_t(self):
parsed = main.parse_download_options({
"url": "https://example.com/watch?v=1&t=999",
"download_type": "video",
"codec": "auto",
"format": "any",
"quality": "best",
"clip_end": "60",
})
self.assertEqual(parsed["url"], "https://example.com/watch?v=1")
self.assertEqual(parsed["clip_start"], 0.0)
self.assertEqual(parsed["clip_end"], 60.0)
def test_clip_rejects_end_before_start(self):
with self.assertRaises(main.web.HTTPBadRequest):
main.parse_download_options({
"url": "https://example.com/watch?v=1",
"download_type": "video",
"codec": "auto",
"format": "any",
"quality": "best",
"clip_start": "100",
"clip_end": "50",
})
def test_clip_rejected_for_captions(self):
with self.assertRaises(main.web.HTTPBadRequest):
main.parse_download_options({
"url": "https://example.com/watch?v=1",
"download_type": "captions",
"codec": "auto",
"format": "srt",
"quality": "best",
"clip_start": "1",
})
if __name__ == "__main__":
unittest.main()