#!/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("\ab\ba\fr\v"), "bar") # '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("\ab\ba\fr\v", repl), "#b#a#r#") # 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
World."), result) self.assertEqual( f("
HelloWorld.
"), result) # empty HTML self.assertEqual(f("
"), "") self.assertEqual(f("
"), "") # malformed HTML self.assertEqual(f(""), "") self.assertEqual(f(""), "") # 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
World."), result) self.assertEqual(f(" Hello
World. "), result) self.assertEqual( f("
HelloWorld.
"), result) # empty HTML self.assertEqual(f("
"), empty) self.assertEqual(f("
"), empty) # malformed HTML self.assertEqual(f(""), empty) self.assertEqual(f(""), 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_extract(self, f=text.extract): txt = "" 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_rextract(self, f=text.rextract): txt = "" 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("foo’bar"), "foo’bar") self.assertEqual(f("foo\\u2019bar"), "foo’bar") self.assertEqual(f("foo\\u201bar"), "foo‛ar") 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_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), ) 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()