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gallery-dl/test/test_text.py

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Python
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2015-2018 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 unittest
import datetime
from gallery_dl import text
INVALID = ((), [], {}, None, 1, 2.3)
INVALID_ALT = ((), [], {}, None, "")
class TestText(unittest.TestCase):
def test_clean_xml(self, f=text.clean_xml):
# standard usage
self.assertEqual(f(""), "")
self.assertEqual(f("foo"), "foo")
self.assertEqual(f("\tfoo\nbar\r"), "\tfoo\nbar\r")
self.assertEqual(f("<foo>\ab\ba\fr\v</foo>"), "<foo>bar</foo>")
# 'repl' argument
repl = "#"
self.assertEqual(f("", repl), "")
self.assertEqual(f("foo", repl), "foo")
self.assertEqual(f("\tfoo\nbar\r", repl), "\tfoo\nbar\r")
self.assertEqual(
f("<foo>\ab\ba\fr\v</foo>", repl), "<foo>#b#a#r#</foo>")
# removal of all illegal control characters
value = "".join(chr(x) for x in range(32))
self.assertEqual(f(value), "\t\n\r")
# 'invalid' arguments
for value in INVALID:
self.assertEqual(f(value), "")
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)
# 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_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.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)
# invalid arguments
for value in INVALID:
self.assertEqual(f(value), empty)
def test_clean_path_windows(self, f=text.clean_path_windows):
self.assertEqual(f(""), "")
self.assertEqual(f("foo"), "foo")
self.assertEqual(f("foo/bar"), "foo_bar")
self.assertEqual(f("foo<>:\"\\/|?*bar"), "foo_________bar")
# invalid arguments
for value in INVALID:
self.assertEqual(f(value), "")
def test_clean_path_posix(self, f=text.clean_path_posix):
self.assertEqual(f(""), "")
self.assertEqual(f("foo"), "foo")
self.assertEqual(f("foo/bar"), "foo_bar")
self.assertEqual(f("foo<>:\"\\/|?*bar"), "foo<>:\"\\_|?*bar")
# invalid arguments
for value in INVALID:
self.assertEqual(f(value), "")
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_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_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_timestamp(self, f=text.parse_timestamp):
null = datetime.datetime.utcfromtimestamp(0)
value = datetime.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 = datetime.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),
)
for value in INVALID:
self.assertEqual(f(value), None)
self.assertEqual(f("1970.01.01"), "1970.01.01")
if __name__ == '__main__':
unittest.main()
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