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mirror of https://github.com/mikf/gallery-dl.git synced 2024-11-23 03:02:50 +01:00
gallery-dl/test/test_util.py
2019-06-23 22:45:44 +02:00

396 lines
13 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2015-2019 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 sys
import random
import string
from gallery_dl import util, text, exception
class TestRange(unittest.TestCase):
def test_parse_range(self, f=util.RangePredicate.parse_range):
self.assertEqual(
f(""),
[])
self.assertEqual(
f("1-2"),
[(1, 2)])
self.assertEqual(
f("-"),
[(1, sys.maxsize)])
self.assertEqual(
f("-2,4,6-8,10-"),
[(1, 2), (4, 4), (6, 8), (10, sys.maxsize)])
self.assertEqual(
f(" - 3 , 4- 4, 2-6"),
[(1, 3), (4, 4), (2, 6)])
def test_optimize_range(self, f=util.RangePredicate.optimize_range):
self.assertEqual(
f([]),
[])
self.assertEqual(
f([(2, 4)]),
[(2, 4)])
self.assertEqual(
f([(2, 4), (6, 8), (10, 12)]),
[(2, 4), (6, 8), (10, 12)])
self.assertEqual(
f([(2, 4), (4, 6), (5, 8)]),
[(2, 8)])
self.assertEqual(
f([(1, 1), (2, 2), (3, 6), (8, 9)]),
[(1, 6), (8, 9)])
class TestPredicate(unittest.TestCase):
def test_range_predicate(self):
dummy = None
pred = util.RangePredicate(" - 3 , 4- 4, 2-6")
for i in range(6):
self.assertTrue(pred(dummy, dummy))
with self.assertRaises(exception.StopExtraction):
bool(pred(dummy, dummy))
pred = util.RangePredicate("1, 3, 5")
self.assertTrue(pred(dummy, dummy))
self.assertFalse(pred(dummy, dummy))
self.assertTrue(pred(dummy, dummy))
self.assertFalse(pred(dummy, dummy))
self.assertTrue(pred(dummy, dummy))
with self.assertRaises(exception.StopExtraction):
bool(pred(dummy, dummy))
pred = util.RangePredicate("")
with self.assertRaises(exception.StopExtraction):
bool(pred(dummy, dummy))
def test_unique_predicate(self):
dummy = None
pred = util.UniquePredicate()
# no duplicates
self.assertTrue(pred("1", dummy))
self.assertTrue(pred("2", dummy))
self.assertFalse(pred("1", dummy))
self.assertFalse(pred("2", dummy))
self.assertTrue(pred("3", dummy))
self.assertFalse(pred("3", dummy))
# duplicates for "text:"
self.assertTrue(pred("text:123", dummy))
self.assertTrue(pred("text:123", dummy))
self.assertTrue(pred("text:123", dummy))
def test_filter_predicate(self):
url = ""
pred = util.FilterPredicate("a < 3")
self.assertTrue(pred(url, {"a": 2}))
self.assertFalse(pred(url, {"a": 3}))
with self.assertRaises(SyntaxError):
util.FilterPredicate("(")
with self.assertRaises(exception.FilterError):
util.FilterPredicate("a > 1")(url, {"a": None})
with self.assertRaises(exception.FilterError):
util.FilterPredicate("b > 1")(url, {"a": 2})
def test_build_predicate(self):
pred = util.build_predicate([])
self.assertIsInstance(pred, type(lambda: True))
pred = util.build_predicate([util.UniquePredicate()])
self.assertIsInstance(pred, util.UniquePredicate)
pred = util.build_predicate([util.UniquePredicate(),
util.UniquePredicate()])
self.assertIsInstance(pred, util.ChainPredicate)
class TestISO639_1(unittest.TestCase):
def test_code_to_language(self):
d = "default"
self._run_test(util.code_to_language, {
("en",): "English",
("FR",): "French",
("xx",): None,
("" ,): None,
(None,): None,
("en", d): "English",
("FR", d): "French",
("xx", d): d,
("" , d): d,
(None, d): d,
})
def test_language_to_code(self):
d = "default"
self._run_test(util.language_to_code, {
("English",): "en",
("fRENch",): "fr",
("xx",): None,
("" ,): None,
(None,): None,
("English", d): "en",
("fRENch", d): "fr",
("xx", d): d,
("" , d): d,
(None, d): d,
})
def _run_test(self, func, tests):
for args, result in tests.items():
self.assertEqual(func(*args), result)
class TestFormatter(unittest.TestCase):
kwdict = {
"a": "hElLo wOrLd",
"b": "äöü",
"l": ["a", "b", "c"],
"n": None,
"u": "%27%3C%20/%20%3E%27",
"name": "Name",
"title1": "Title",
"title2": "",
"title3": None,
"title4": 0,
}
def test_conversions(self):
self._run_test("{a!l}", "hello world")
self._run_test("{a!u}", "HELLO WORLD")
self._run_test("{a!c}", "Hello world")
self._run_test("{a!C}", "Hello World")
self._run_test("{a!U}", self.kwdict["a"])
self._run_test("{u!U}", "'< / >'")
self._run_test("{a!s}", self.kwdict["a"])
self._run_test("{a!r}", "'" + self.kwdict["a"] + "'")
self._run_test("{a!a}", "'" + self.kwdict["a"] + "'")
self._run_test("{b!a}", "'\\xe4\\xf6\\xfc'")
self._run_test("{a!S}", self.kwdict["a"])
self._run_test("{l!S}", "a, b, c")
self._run_test("{n!S}", "")
with self.assertRaises(KeyError):
self._run_test("{a!q}", "hello world")
def test_optional(self):
self._run_test("{name}{title1}", "NameTitle")
self._run_test("{name}{title1:?//}", "NameTitle")
self._run_test("{name}{title1:? **/''/}", "Name **Title''")
self._run_test("{name}{title2}", "Name")
self._run_test("{name}{title2:?//}", "Name")
self._run_test("{name}{title2:? **/''/}", "Name")
self._run_test("{name}{title3}", "NameNone")
self._run_test("{name}{title3:?//}", "Name")
self._run_test("{name}{title3:? **/''/}", "Name")
self._run_test("{name}{title4}", "Name0")
self._run_test("{name}{title4:?//}", "Name")
self._run_test("{name}{title4:? **/''/}", "Name")
def test_missing(self):
replacement = "None"
self._run_test("{missing}", replacement)
self._run_test("{missing.attr}", replacement)
self._run_test("{missing[key]}", replacement)
self._run_test("{missing:?a//}", "")
self._run_test("{name[missing]}", replacement)
self._run_test("{name[missing].attr}", replacement)
self._run_test("{name[missing][key]}", replacement)
self._run_test("{name[missing]:?a//}", "")
def test_missing_custom_default(self):
replacement = default = "foobar"
self._run_test("{missing}" , replacement, default)
self._run_test("{missing.attr}", replacement, default)
self._run_test("{missing[key]}", replacement, default)
self._run_test("{missing:?a//}", "a" + default, default)
def test_slicing(self):
v = self.kwdict["a"]
self._run_test("{a[1:10]}" , v[1:10])
self._run_test("{a[-10:-1]}", v[-10:-1])
self._run_test("{a[5:]}" , v[5:])
self._run_test("{a[50:]}", v[50:])
self._run_test("{a[:5]}" , v[:5])
self._run_test("{a[:50]}", v[:50])
self._run_test("{a[:]}" , v)
self._run_test("{a[1:10:2]}" , v[1:10:2])
self._run_test("{a[-10:-1:2]}", v[-10:-1:2])
self._run_test("{a[5::2]}" , v[5::2])
self._run_test("{a[50::2]}", v[50::2])
self._run_test("{a[:5:2]}" , v[:5:2])
self._run_test("{a[:50:2]}", v[:50:2])
self._run_test("{a[::]}" , v)
def test_maxlen(self):
v = self.kwdict["a"]
self._run_test("{a:L5/foo/}" , "foo")
self._run_test("{a:L50/foo/}", v)
self._run_test("{a:L50/foo/>50}", " " * 39 + v)
self._run_test("{a:L50/foo/>51}", "foo")
self._run_test("{a:Lab/foo/}", "foo")
def test_join(self):
self._run_test("{l:J}" , "abc")
self._run_test("{l:J,}" , "a,b,c")
self._run_test("{l:J,/}" , "a,b,c")
self._run_test("{l:J,/>20}" , " a,b,c")
self._run_test("{l:J - }" , "a - b - c")
self._run_test("{l:J - /}" , "a - b - c")
self._run_test("{l:J - />20}", " a - b - c")
self._run_test("{a:J/}" , self.kwdict["a"])
self._run_test("{a:J, /}" , ", ".join(self.kwdict["a"]))
def test_replace(self):
self._run_test("{a:Rh/C/}" , "CElLo wOrLd")
self._run_test("{a!l:Rh/C/}", "Cello world")
self._run_test("{a!u:Rh/C/}", "HELLO WORLD")
self._run_test("{a!l:Rl/_/}", "he__o wor_d")
self._run_test("{a!l:Rl//}" , "heo word")
self._run_test("{name:Rame/othing/}", "Nothing")
def _run_test(self, format_string, result, default=None):
formatter = util.Formatter(format_string, default)
output = formatter.format_map(self.kwdict)
self.assertEqual(output, result, format_string)
class TestOther(unittest.TestCase):
def test_bencode(self):
self.assertEqual(util.bencode(0), "")
self.assertEqual(util.bencode(123), "123")
self.assertEqual(util.bencode(123, "01"), "1111011")
self.assertEqual(util.bencode(123, "BA"), "AAAABAA")
def test_bdecode(self):
self.assertEqual(util.bdecode(""), 0)
self.assertEqual(util.bdecode("123"), 123)
self.assertEqual(util.bdecode("1111011", "01"), 123)
self.assertEqual(util.bdecode("AAAABAA", "BA"), 123)
def test_bencode_bdecode(self):
for _ in range(100):
value = random.randint(0, 1000000)
for alphabet in ("01", "0123456789", string.ascii_letters):
result = util.bdecode(util.bencode(value, alphabet), alphabet)
self.assertEqual(result, value)
def test_advance(self):
items = range(5)
self.assertCountEqual(
util.advance(items, 0), items)
self.assertCountEqual(
util.advance(items, 3), range(3, 5))
self.assertCountEqual(
util.advance(items, 9), [])
self.assertCountEqual(
util.advance(util.advance(items, 1), 2), range(3, 5))
def test_raises(self):
func = util.raises(Exception())
with self.assertRaises(Exception):
func()
func = util.raises(ValueError(1))
with self.assertRaises(ValueError):
func()
with self.assertRaises(ValueError):
func()
with self.assertRaises(ValueError):
func()
def test_combine_dict(self):
self.assertEqual(
util.combine_dict({}, {}),
{})
self.assertEqual(
util.combine_dict({1: 1, 2: 2}, {2: 4, 4: 8}),
{1: 1, 2: 4, 4: 8})
self.assertEqual(
util.combine_dict(
{1: {11: 22, 12: 24}, 2: {13: 26, 14: 28}},
{1: {11: 33, 13: 39}, 2: "str"}),
{1: {11: 33, 12: 24, 13: 39}, 2: "str"})
self.assertEqual(
util.combine_dict(
{1: {2: {3: {4: {"1": "a", "2": "b"}}}}},
{1: {2: {3: {4: {"1": "A", "3": "C"}}}}}),
{1: {2: {3: {4: {"1": "A", "2": "b", "3": "C"}}}}})
def test_transform_dict(self):
d = {}
util.transform_dict(d, str)
self.assertEqual(d, {})
d = {1: 123, 2: "123", 3: True, 4: None}
util.transform_dict(d, str)
self.assertEqual(
d, {1: "123", 2: "123", 3: "True", 4: "None"})
d = {1: 123, 2: "123", 3: "foo", 4: {11: 321, 12: "321", 13: "bar"}}
util.transform_dict(d, text.parse_int)
self.assertEqual(
d, {1: 123, 2: 123, 3: 0, 4: {11: 321, 12: 321, 13: 0}})
def test_number_to_string(self, f=util.number_to_string):
self.assertEqual(f(1) , "1")
self.assertEqual(f(1.0) , "1.0")
self.assertEqual(f("1.0") , "1.0")
self.assertEqual(f([1]) , [1])
self.assertEqual(f({1: 2}), {1: 2})
self.assertEqual(f(True) , True)
self.assertEqual(f(None) , None)
def test_to_string(self, f=util.to_string):
self.assertEqual(f(1) , "1")
self.assertEqual(f(1.0) , "1.0")
self.assertEqual(f("1.0"), "1.0")
self.assertEqual(f("") , "")
self.assertEqual(f(None) , "")
self.assertEqual(f(0) , "")
self.assertEqual(f(["a"]), "a")
self.assertEqual(f([1]) , "1")
self.assertEqual(f(["a", "b", "c"]), "a, b, c")
self.assertEqual(f([1, 2, 3]), "1, 2, 3")
def test_universal_none(self):
obj = util.NONE
self.assertFalse(obj)
self.assertEqual(str(obj), str(None))
self.assertEqual(repr(obj), repr(None))
self.assertIs(obj.attr, obj)
self.assertIs(obj["key"], obj)
if __name__ == '__main__':
unittest.main()