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gallery-dl/test/test_extractor.py
2023-10-16 18:16:48 +02:00

298 lines
9.7 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2018-2023 Mike Fährmann
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
import os
import sys
import unittest
from unittest.mock import patch
import time
import string
from datetime import datetime, timedelta
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from gallery_dl import extractor # noqa E402
from gallery_dl.extractor import mastodon # noqa E402
from gallery_dl.extractor.common import Extractor, Message # noqa E402
from gallery_dl.extractor.directlink import DirectlinkExtractor # noqa E402
_list_classes = extractor._list_classes
class FakeExtractor(Extractor):
category = "fake"
subcategory = "test"
pattern = "fake:"
def items(self):
yield Message.Version, 1
yield Message.Url, "text:foobar", {}
class TestExtractorModule(unittest.TestCase):
VALID_URIS = (
"https://example.org/file.jpg",
"tumblr:foobar",
"oauth:flickr",
"test:pixiv:",
"recursive:https://example.org/document.html",
)
def setUp(self):
extractor._cache.clear()
extractor._module_iter = extractor._modules_internal()
extractor._list_classes = _list_classes
def test_find(self):
for uri in self.VALID_URIS:
result = extractor.find(uri)
self.assertIsInstance(result, Extractor, uri)
for not_found in ("", "/tmp/file.ext"):
self.assertIsNone(extractor.find(not_found))
for invalid in (None, [], {}, 123, b"test:"):
with self.assertRaises(TypeError):
extractor.find(invalid)
def test_add(self):
uri = "fake:foobar"
self.assertIsNone(extractor.find(uri))
extractor.add(FakeExtractor)
self.assertIsInstance(extractor.find(uri), FakeExtractor)
def test_add_module(self):
uri = "fake:foobar"
self.assertIsNone(extractor.find(uri))
classes = extractor.add_module(sys.modules[__name__])
self.assertEqual(len(classes), 1)
self.assertEqual(classes[0].pattern, FakeExtractor.pattern)
self.assertEqual(classes[0], FakeExtractor)
self.assertIsInstance(extractor.find(uri), FakeExtractor)
def test_from_url(self):
for uri in self.VALID_URIS:
cls = extractor.find(uri).__class__
extr = cls.from_url(uri)
self.assertIs(type(extr), cls)
self.assertIsInstance(extr, Extractor)
for not_found in ("", "/tmp/file.ext"):
self.assertIsNone(FakeExtractor.from_url(not_found))
for invalid in (None, [], {}, 123, b"test:"):
with self.assertRaises(TypeError):
FakeExtractor.from_url(invalid)
def test_unique_pattern_matches(self):
try:
import test.results
except ImportError:
raise unittest.SkipTest("no test data")
# collect testcase URLs
test_urls = []
append = test_urls.append
for result in test.results.all():
append((result["#url"], result["#class"]))
# iterate over all testcase URLs
for url, extr1 in test_urls:
matches = []
# ... and apply all regex patterns to each one
for extr2 in _list_classes():
# skip DirectlinkExtractor pattern if it isn't tested
if extr1 != DirectlinkExtractor and \
extr2 == DirectlinkExtractor:
continue
match = extr2.pattern.match(url)
if match:
matches.append((match, extr2))
# fail if more or less than 1 match happened
if len(matches) > 1:
msg = "'{}' gets matched by more than one pattern:".format(url)
for match, extr in matches:
msg += "\n\n- {}:\n{}".format(
extr.__name__, match.re.pattern)
self.fail(msg)
elif len(matches) < 1:
msg = "'{}' isn't matched by any pattern".format(url)
self.fail(msg)
else:
self.assertIs(extr1, matches[0][1], url)
def test_init(self):
"""Test for exceptions in Extractor.initialize() and .finalize()"""
for cls in extractor.extractors():
if cls.category == "ytdl":
continue
extr = cls.from_url(cls.example)
extr.initialize()
extr.finalize()
@unittest.skipIf(sys.hexversion < 0x3060000, "test fails in CI")
def test_init_ytdl(self):
try:
extr = extractor.find("ytdl:")
extr.initialize()
extr.finalize()
except ImportError as exc:
if exc.name in ("youtube_dl", "yt_dlp"):
raise unittest.SkipTest("cannot import module '{}'".format(
exc.name))
raise
def test_docstrings(self):
"""Ensure docstring uniqueness"""
for extr1 in extractor.extractors():
for extr2 in extractor.extractors():
if extr1 != extr2 and extr1.__doc__ and extr2.__doc__:
self.assertNotEqual(
extr1.__doc__,
extr2.__doc__,
"{} <-> {}".format(extr1, extr2),
)
def test_names(self):
"""Ensure extractor classes are named CategorySubcategoryExtractor"""
def capitalize(c):
if "-" in c:
return string.capwords(c.replace("-", " ")).replace(" ", "")
return c.capitalize()
for extr in extractor.extractors():
if extr.category not in ("", "oauth", "ytdl"):
expected = "{}{}Extractor".format(
capitalize(extr.category),
capitalize(extr.subcategory),
)
if expected[0].isdigit():
expected = "_" + expected
self.assertEqual(expected, extr.__name__)
class TestExtractorWait(unittest.TestCase):
def test_wait_seconds(self):
extr = extractor.find("test:")
seconds = 5
until = time.time() + seconds
with patch("time.sleep") as sleep, patch.object(extr, "log") as log:
extr.wait(seconds=seconds)
sleep.assert_called_once_with(6.0)
calls = log.info.mock_calls
self.assertEqual(len(calls), 1)
self._assert_isotime(calls[0][1][1], until)
def test_wait_until(self):
extr = extractor.find("test:")
until = time.time() + 5
with patch("time.sleep") as sleep, patch.object(extr, "log") as log:
extr.wait(until=until)
calls = sleep.mock_calls
self.assertEqual(len(calls), 1)
self.assertAlmostEqual(calls[0][1][0], 6.0, places=1)
calls = log.info.mock_calls
self.assertEqual(len(calls), 1)
self._assert_isotime(calls[0][1][1], until)
def test_wait_until_datetime(self):
extr = extractor.find("test:")
until = datetime.utcnow() + timedelta(seconds=5)
until_local = datetime.now() + timedelta(seconds=5)
with patch("time.sleep") as sleep, patch.object(extr, "log") as log:
extr.wait(until=until)
calls = sleep.mock_calls
self.assertEqual(len(calls), 1)
self.assertAlmostEqual(calls[0][1][0], 6.0, places=1)
calls = log.info.mock_calls
self.assertEqual(len(calls), 1)
self._assert_isotime(calls[0][1][1], until_local)
def _assert_isotime(self, output, until):
if not isinstance(until, datetime):
until = datetime.fromtimestamp(until)
o = self._isotime_to_seconds(output)
u = self._isotime_to_seconds(until.time().isoformat()[:8])
self.assertLessEqual(o-u, 1.0)
@staticmethod
def _isotime_to_seconds(isotime):
parts = isotime.split(":")
return int(parts[0]) * 3600 + int(parts[1]) * 60 + int(parts[2])
class TextExtractorOAuth(unittest.TestCase):
def test_oauth1(self):
for category in ("flickr", "smugmug", "tumblr"):
extr = extractor.find("oauth:" + category)
with patch.object(extr, "_oauth1_authorization_flow") as m:
for msg in extr:
pass
self.assertEqual(len(m.mock_calls), 1)
def test_oauth2(self):
for category in ("deviantart", "reddit"):
extr = extractor.find("oauth:" + category)
with patch.object(extr, "_oauth2_authorization_code_grant") as m:
for msg in extr:
pass
self.assertEqual(len(m.mock_calls), 1)
def test_oauth2_mastodon(self):
extr = extractor.find("oauth:mastodon:pawoo.net")
with patch.object(extr, "_oauth2_authorization_code_grant") as m, \
patch.object(extr, "_register") as r:
for msg in extr:
pass
self.assertEqual(len(r.mock_calls), 0)
self.assertEqual(len(m.mock_calls), 1)
def test_oauth2_mastodon_unknown(self):
extr = extractor.find("oauth:mastodon:example.com")
with patch.object(extr, "_oauth2_authorization_code_grant") as m, \
patch.object(extr, "_register") as r:
r.return_value = {
"client-id" : "foo",
"client-secret": "bar",
}
for msg in extr:
pass
self.assertEqual(len(r.mock_calls), 1)
self.assertEqual(len(m.mock_calls), 1)
if __name__ == "__main__":
unittest.main()