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gallery-dl/test/test_text.py
2024-10-01 20:28:30 +02:00

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2015-2022 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
import datetime
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from gallery_dl import text, util # noqa E402
INVALID = ((), [], {}, None, 1, 2.3)
INVALID_ALT = ((), [], {}, None, "")
class TestText(unittest.TestCase):
def test_remove_html(self, f=text.remove_html):
result = "Hello World."
# standard usage
self.assertEqual(f(""), "")
self.assertEqual(f("Hello World."), result)
self.assertEqual(f(" Hello World. "), result)
self.assertEqual(f("Hello<br/>World."), result)
self.assertEqual(
f("<div><b class='a'>Hello</b><i>World.</i></div>"), result)
# empty HTML
self.assertEqual(f("<div></div>"), "")
self.assertEqual(f(" <div> </div> "), "")
# malformed HTML
self.assertEqual(f("<div</div>"), "")
self.assertEqual(f("<div<Hello World.</div>"), "")
# invalid arguments
for value in INVALID:
self.assertEqual(f(value), "")
def test_split_html(self, f=text.split_html):
result = ["Hello", "World."]
empty = []
# standard usage
self.assertEqual(f(""), empty)
self.assertEqual(f("Hello World."), ["Hello World."])
self.assertEqual(f(" Hello World. "), ["Hello World."])
self.assertEqual(f("Hello<br/>World."), result)
self.assertEqual(f(" Hello <br/> World. "), result)
self.assertEqual(
f("<div><b class='a'>Hello</b><i>World.</i></div>"), result)
# escaped HTML entities
self.assertEqual(
f("<i>&lt;foo&gt;</i> <i>&lt;bar&gt; </i>"), ["<foo>", "<bar>"])
# empty HTML
self.assertEqual(f("<div></div>"), empty)
self.assertEqual(f(" <div> </div> "), empty)
# malformed HTML
self.assertEqual(f("<div</div>"), empty)
self.assertEqual(f("<div<Hello World.</div>"), empty)
# invalid arguments
for value in INVALID:
self.assertEqual(f(value), empty)
def test_slugify(self, f=text.slugify):
self.assertEqual(f("Hello World"), "hello-world")
self.assertEqual(f("-HeLLo---World-"), "hello-world")
self.assertEqual(f("_-H#e:l#l:o+\t+W?o!rl=d-_"), "hello-world")
self.assertEqual(f("_Hello_World_"), "hello_world")
self.assertEqual(f(""), "")
self.assertEqual(f("-"), "")
self.assertEqual(f("--"), "")
self.assertEqual(f(()), "")
self.assertEqual(f([]), "")
self.assertEqual(f({}), "")
self.assertEqual(f(None), "none")
self.assertEqual(f(1), "1")
self.assertEqual(f(2.3), "23")
def test_ensure_http_scheme(self, f=text.ensure_http_scheme):
result = "https://example.org/filename.ext"
# standard usage
self.assertEqual(f(""), "")
self.assertEqual(f("example.org/filename.ext"), result)
self.assertEqual(f("/example.org/filename.ext"), result)
self.assertEqual(f("//example.org/filename.ext"), result)
self.assertEqual(f("://example.org/filename.ext"), result)
# no change
self.assertEqual(f(result), result)
self.assertEqual(
f("http://example.org/filename.ext"),
"http://example.org/filename.ext",
)
# ...
self.assertEqual(
f("htp://example.org/filename.ext"),
"https://htp://example.org/filename.ext",
)
# invalid arguments
for value in INVALID_ALT:
self.assertEqual(f(value), value)
def test_root_from_url(self, f=text.root_from_url):
result = "https://example.org"
self.assertEqual(f("https://example.org") , result)
self.assertEqual(f("https://example.org/") , result)
self.assertEqual(f("https://example.org/path"), result)
self.assertEqual(f("example.org/") , result)
self.assertEqual(f("example.org/path/") , result)
result = "http://example.org"
self.assertEqual(f("http://example.org") , result)
self.assertEqual(f("http://example.org/") , result)
self.assertEqual(f("http://example.org/path/"), result)
self.assertEqual(f("example.org/", "http://") , result)
def test_filename_from_url(self, f=text.filename_from_url):
result = "filename.ext"
# standard usage
self.assertEqual(f(""), "")
self.assertEqual(f("filename.ext"), result)
self.assertEqual(f("/filename.ext"), result)
self.assertEqual(f("example.org/filename.ext"), result)
self.assertEqual(f("http://example.org/v2/filename.ext"), result)
self.assertEqual(
f("http://example.org/v2/filename.ext?param=value#frag"), result)
# invalid arguments
for value in INVALID:
self.assertEqual(f(value), "")
def test_ext_from_url(self, f=text.ext_from_url):
result = "ext"
# standard usage
self.assertEqual(f(""), "")
self.assertEqual(f("filename"), "")
self.assertEqual(f("filename.ext"), result)
self.assertEqual(f("/filename.ExT"), result)
self.assertEqual(f("example.org/filename.ext"), result)
self.assertEqual(f("http://example.org/v2/filename.ext"), result)
self.assertEqual(
f("http://example.org/v2/filename.ext?param=value#frag"), result)
# invalid arguments
for value in INVALID:
self.assertEqual(f(value), "")
def test_nameext_from_url(self, f=text.nameext_from_url):
empty = {"filename": "", "extension": ""}
result = {"filename": "filename", "extension": "ext"}
# standard usage
self.assertEqual(f(""), empty)
self.assertEqual(f("filename.ext"), result)
self.assertEqual(f("/filename.ExT"), result)
self.assertEqual(f("example.org/filename.ext"), result)
self.assertEqual(f("http://example.org/v2/filename.ext"), result)
self.assertEqual(
f("http://example.org/v2/filename.ext?param=value#frag"), result)
# long "extension"
fn = "httpswww.example.orgpath-path-path-path-path-path-path-path"
self.assertEqual(f(fn), {"filename": fn, "extension": ""})
# invalid arguments
for value in INVALID:
self.assertEqual(f(value), empty)
def test_extract(self, f=text.extract):
txt = "<a><b>"
self.assertEqual(f(txt, "<", ">"), ("a" , 3))
self.assertEqual(f(txt, "X", ">"), (None, 0))
self.assertEqual(f(txt, "<", "X"), (None, 0))
# 'pos' argument
for i in range(1, 4):
self.assertEqual(f(txt, "<", ">", i), ("b", 6))
for i in range(4, 10):
self.assertEqual(f(txt, "<", ">", i), (None, i))
# invalid arguments
for value in INVALID:
self.assertEqual(f(value, "<" , ">") , (None, 0))
self.assertEqual(f(txt , value, ">") , (None, 0))
self.assertEqual(f(txt , "<" , value), (None, 0))
def test_extr(self, f=text.extr):
txt = "<a><b>"
self.assertEqual(f(txt, "X", ">"), "")
self.assertEqual(f(txt, "<", "X"), "")
self.assertEqual(f(txt, "<", ">"), "a")
self.assertEqual(f(txt, "><", ">"), "b")
# 'default' argument
self.assertEqual(f(txt, "<", "X", None), None)
self.assertEqual(f(txt, "<", "X", default=None), None)
self.assertEqual(f(txt, "<", "X", default=()), ())
# invalid arguments
for value in INVALID:
self.assertEqual(f(value, "<" , ">") , "")
self.assertEqual(f(txt , value, ">") , "")
self.assertEqual(f(txt , "<" , value), "")
def test_rextract(self, f=text.rextract):
txt = "<a><b>"
self.assertEqual(f(txt, "<", ">"), ("b" , 3))
self.assertEqual(f(txt, "X", ">"), (None, -1))
self.assertEqual(f(txt, "<", "X"), (None, -1))
# 'pos' argument
for i in range(10, 3, -1):
self.assertEqual(f(txt, "<", ">", i), ("b", 3))
for i in range(3, 0, -1):
self.assertEqual(f(txt, "<", ">", i), ("a", 0))
# invalid arguments
for value in INVALID:
self.assertEqual(f(value, "<" , ">") , (None, -1))
self.assertEqual(f(txt , value, ">") , (None, -1))
self.assertEqual(f(txt , "<" , value), (None, -1))
def test_extract_all(self, f=text.extract_all):
txt = "[c][b][a]: xyz! [d][e"
self.assertEqual(
f(txt, ()), ({}, 0))
self.assertEqual(
f(txt, (("C", "[", "]"), ("B", "[", "]"), ("A", "[", "]"))),
({"A": "a", "B": "b", "C": "c"}, 9),
)
# 'None' as field name
self.assertEqual(
f(txt, ((None, "[", "]"), (None, "[", "]"), ("A", "[", "]"))),
({"A": "a"}, 9),
)
self.assertEqual(
f(txt, ((None, "[", "]"), (None, "[", "]"), (None, "[", "]"))),
({}, 9),
)
# failed matches
self.assertEqual(
f(txt, (("C", "[", "]"), ("X", "X", "X"), ("B", "[", "]"))),
({"B": "b", "C": "c", "X": None}, 6),
)
# 'pos' argument
self.assertEqual(
f(txt, (("B", "[", "]"), ("A", "[", "]")), pos=1),
({"A": "a", "B": "b"}, 9),
)
# 'values' argument
self.assertEqual(
f(txt, (("C", "[", "]"),), values={"A": "a", "B": "b"}),
({"A": "a", "B": "b", "C": "c"}, 3),
)
vdict = {}
rdict, pos = f(txt, (), values=vdict)
self.assertIs(vdict, rdict)
def test_extract_iter(self, f=text.extract_iter):
txt = "[c][b][a]: xyz! [d][e"
def g(*args):
return list(f(*args))
self.assertEqual(
g("", "[", "]"), [])
self.assertEqual(
g("[a]", "[", "]"), ["a"])
self.assertEqual(
g(txt, "[", "]"), ["c", "b", "a", "d"])
self.assertEqual(
g(txt, "X", "X"), [])
self.assertEqual(
g(txt, "[", "]", 6), ["a", "d"])
def test_extract_from(self, f=text.extract_from):
txt = "[c][b][a]: xyz! [d][e"
e = f(txt)
self.assertEqual(e("[", "]"), "c")
self.assertEqual(e("[", "]"), "b")
self.assertEqual(e("[", "]"), "a")
self.assertEqual(e("[", "]"), "d")
self.assertEqual(e("[", "]"), "")
self.assertEqual(e("[", "]"), "")
e = f(txt, pos=6, default="END")
self.assertEqual(e("[", "]"), "a")
self.assertEqual(e("[", "]"), "d")
self.assertEqual(e("[", "]"), "END")
self.assertEqual(e("[", "]"), "END")
def test_parse_unicode_escapes(self, f=text.parse_unicode_escapes):
self.assertEqual(f(""), "")
self.assertEqual(f("foobar"), "foobar")
self.assertEqual(f("foobar"), "foobar")
self.assertEqual(f("foo\\u2019bar"), "foobar")
self.assertEqual(f("foo\\u201bar"), "fooar")
self.assertEqual(f("foo\\u201zar"), "foo\\u201zar")
self.assertEqual(
f("\\u2018foo\\u2019\\u2020bar\\u00ff"),
"foo†barÿ",
)
def test_parse_bytes(self, f=text.parse_bytes):
self.assertEqual(f("0"), 0)
self.assertEqual(f("50"), 50)
self.assertEqual(f("50k"), 50 * 1024**1)
self.assertEqual(f("50m"), 50 * 1024**2)
self.assertEqual(f("50g"), 50 * 1024**3)
self.assertEqual(f("50t"), 50 * 1024**4)
self.assertEqual(f("50p"), 50 * 1024**5)
# fractions
self.assertEqual(f("123.456"), 123)
self.assertEqual(f("123.567"), 124)
self.assertEqual(f("0.5M"), round(0.5 * 1024**2))
# invalid arguments
for value in INVALID_ALT:
self.assertEqual(f(value), 0)
self.assertEqual(f("NaN"), 0)
self.assertEqual(f("invalid"), 0)
self.assertEqual(f(" 123 kb "), 0)
def test_parse_int(self, f=text.parse_int):
self.assertEqual(f(0), 0)
self.assertEqual(f("0"), 0)
self.assertEqual(f(123), 123)
self.assertEqual(f("123"), 123)
# invalid arguments
for value in INVALID_ALT:
self.assertEqual(f(value), 0)
self.assertEqual(f("123.456"), 0)
self.assertEqual(f("zzz"), 0)
self.assertEqual(f([1, 2, 3]), 0)
self.assertEqual(f({1: 2, 3: 4}), 0)
# 'default' argument
default = "default"
for value in INVALID_ALT:
self.assertEqual(f(value, default), default)
self.assertEqual(f("zzz", default), default)
def test_parse_float(self, f=text.parse_float):
self.assertEqual(f(0), 0.0)
self.assertEqual(f("0"), 0.0)
self.assertEqual(f(123), 123.0)
self.assertEqual(f("123"), 123.0)
self.assertEqual(f(123.456), 123.456)
self.assertEqual(f("123.456"), 123.456)
# invalid arguments
for value in INVALID_ALT:
self.assertEqual(f(value), 0.0)
self.assertEqual(f("zzz"), 0.0)
self.assertEqual(f([1, 2, 3]), 0.0)
self.assertEqual(f({1: 2, 3: 4}), 0.0)
# 'default' argument
default = "default"
for value in INVALID_ALT:
self.assertEqual(f(value, default), default)
self.assertEqual(f("zzz", default), default)
def test_parse_query(self, f=text.parse_query):
# standard usage
self.assertEqual(f(""), {})
self.assertEqual(f("foo=1"), {"foo": "1"})
self.assertEqual(f("foo=1&bar=2"), {"foo": "1", "bar": "2"})
# missing value
self.assertEqual(f("bar"), {})
self.assertEqual(f("foo=1&bar"), {"foo": "1"})
self.assertEqual(f("foo=1&bar&baz=3"), {"foo": "1", "baz": "3"})
# keys with identical names
self.assertEqual(f("foo=1&foo=2"), {"foo": "1"})
self.assertEqual(
f("foo=1&bar=2&foo=3&bar=4"),
{"foo": "1", "bar": "2"},
)
# invalid arguments
for value in INVALID:
self.assertEqual(f(value), {})
def test_parse_query_list(self, f=text.parse_query_list):
# standard usage
self.assertEqual(f(""), {})
self.assertEqual(f("foo=1"), {"foo": "1"})
self.assertEqual(f("foo=1&bar=2"), {"foo": "1", "bar": "2"})
# missing value
self.assertEqual(f("bar"), {})
self.assertEqual(f("foo=1&bar"), {"foo": "1"})
self.assertEqual(f("foo=1&bar&baz=3"), {"foo": "1", "baz": "3"})
# keys with identical names
self.assertEqual(f("foo=1&foo=2"), {"foo": ["1", "2"]})
self.assertEqual(
f("foo=1&bar=2&foo=3&bar=4&foo=5"),
{"foo": ["1", "3", "5"], "bar": ["2", "4"]},
)
# invalid arguments
for value in INVALID:
self.assertEqual(f(value), {})
def test_parse_timestamp(self, f=text.parse_timestamp):
null = util.datetime_utcfromtimestamp(0)
value = util.datetime_utcfromtimestamp(1555816235)
self.assertEqual(f(0) , null)
self.assertEqual(f("0") , null)
self.assertEqual(f(1555816235) , value)
self.assertEqual(f("1555816235"), value)
for value in INVALID_ALT:
self.assertEqual(f(value), None)
self.assertEqual(f(value, "foo"), "foo")
def test_parse_datetime(self, f=text.parse_datetime):
null = util.datetime_utcfromtimestamp(0)
self.assertEqual(f("1970-01-01T00:00:00+00:00"), null)
self.assertEqual(f("1970-01-01T00:00:00+0000") , null)
self.assertEqual(f("1970.01.01", "%Y.%m.%d") , null)
self.assertEqual(
f("2019-05-07T21:25:02+09:00"),
datetime.datetime(2019, 5, 7, 12, 25, 2),
)
self.assertEqual(
f("2019-05-07T21:25:02+0900"),
datetime.datetime(2019, 5, 7, 12, 25, 2),
)
self.assertEqual(
f("2019-05-07T21:25:02.753+0900", "%Y-%m-%dT%H:%M:%S.%f%z"),
datetime.datetime(2019, 5, 7, 12, 25, 2),
)
self.assertEqual(
f("2019-05-07T21:25:02", "%Y-%m-%dT%H:%M:%S", utcoffset=9),
datetime.datetime(2019, 5, 7, 12, 25, 2),
)
self.assertEqual(
f("2019-05-07 21:25:02"),
"2019-05-07 21:25:02",
)
for value in INVALID:
self.assertEqual(f(value), None)
self.assertEqual(f("1970.01.01"), "1970.01.01")
if __name__ == "__main__":
unittest.main()