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# Copyright 2014 Christoph Reiter
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
import re
import unicodedata
from tests import TestCase
from quodlibet.unisearch import compile
from quodlibet.unisearch.db import diacritic_for_letters
from quodlibet.unisearch.parser import re_replace_literals, re_add_variants
class TUniSearch(TestCase):
def test_mapping(self):
cache = diacritic_for_letters(False)
new = diacritic_for_letters(True)
self.assertEqual(sorted(cache.items()), sorted(new.items()))
def test_normalize_input(self):
assert re.match(
re_add_variants(unicodedata.normalize("NFD", u"ö")), u"ö")
def test_re_replace(self):
r = re_add_variants(u"aa")
self.assertTrue(u"[" in r and u"]" in r and r.count(u"ä") == 2)
def test_re_replace_multi(self):
r = re_add_variants(u"ae")
self.assertEqual(r, u"(?:[aàáâãäåāăąǎǟǡǻȁȃȧḁạảấầẩẫậắằẳẵặ]"
u"[eèéêëēĕėęěȅȇȩḕḗḙḛḝẹẻẽếềểễệ]|[æǣǽ])")
r = re_add_variants(u"SS")
self.assertEqual(r, u"(?:[SŚŜŞŠȘṠṢṤṦṨꞄ][SŚŜŞŠȘṠṢṤṦṨꞄ]|ẞ)")
r = re_add_variants(u"ss")
self.assertEqual(r, u"(?:[sśŝşšșṡṣṥṧṩꞅ][sśŝşšșṡṣṥṧṩꞅ]|ß)")
def test_punct(self):
r = re_add_variants(u"'")
assert "`" in r
assert "'" in r
r = re_add_variants(u"''")
assert "\"" in r
r = re_add_variants(u'"')
assert "”" in r
assert "“" in r
r = re_add_variants(u'\\*')
assert re.match(r, "*")
def test_re_replace_multi_fixme(self):
# we don't handler overlapping sequences, so this doesn't match "LỺ"
r = re_add_variants(u"LLL")
self.assertEqual(r, u"(?:[LĹĻĽḶḸḺḼŁ][LĹĻĽḶḸḺḼŁ]|Ỻ)[LĹĻĽḶḸḺḼŁ]")
def test_re_replace_multi_nested(self):
r = re_add_variants(u"(եւ)")
self.assertEqual(r, u"((?:եւ|և))")
r = re_add_variants(u"(եւ)+")
self.assertEqual(r, u"((?:եւ|և))+")
def test_re_replace_escape(self):
r = re_add_variants(u"n\\n")
self.assertEqual(r, u"[nñńņňǹṅṇṉṋʼn]\n")
def test_construct_regexp(self):
res = [
(u"\\.", None),
(u"..", None),
(u"\\.", None),
(u"^a\aa[ha-z]k{1,3}h*h+h?(x|yy)(a+b|cd)$", None),
(u"(?=Asimov)", None),
(u"(?!Asimov)", None),
(u"(?<=abc)def", None),
(u"(?<!foo)", None),
(u"(?#foo)", u""),
(u"(.+) \1", None),
(u"\\A\\b\\B\\d\\D\\s\\S\\w\\W\\Z\a",
u"\\A\\b\\B[\\d][\\D][\\s][\\S][\\w][\\W]\\Z\a"),
(u"a{3,5}?a+?a*?a??", None),
(u"^foo$", None),
(u"[-+]?(\\d+(\\.\\d*)?|\\.\\d+)([eE][-+]?\\d+)?",
u"[\\-\\+]?([\\d]+(\\.[\\d]*)?|\\.[\\d]+)([eE][\\-\\+]?[\\d]+)?"),
(u"(\\$\\d*)", u"(\\$[\\d]*)"),
(u"\\$\\.\\^\\[\\]\\:\\-\\+\\?\\\\", None),
(u"[^a][^ab]", None),
(u"[ab][abc]", None),
(u"[.]", u"\\."),
(u"[^a-z]", None),
(u"[^a-z\\w]", None),
("(x|yy)", None),
]
for r, o in res:
if o is None:
o = r
self.assertEqual(re_replace_literals(r, {}), o)
def test_construct_regexp_37_change(self):
# Starting with 3.7 the parser throws out some subpattern
# nodes. We try to recover them or test against the old and new result.
res = [
(u"(?:foo)", ("(?:foo)", "foo")),
(u"(?:foo)x", ("(?:foo)x", "foox")),
(u"(?:foo)(?:bar)", ("(?:foo)(?:bar)", "foobar")),
(u"(?:foo|bla)", None),
(u"(?:foo|bla)x", None),
]
for r, o in res:
out = re_replace_literals(r, {})
if o is None:
o = r
if isinstance(o, tuple):
assert out in o
else:
assert out == o
def test_construct_regexp_broken(self):
self.assertRaises(re.error, re_replace_literals, u"[", {})
self.assertRaises(NotImplementedError,
re_replace_literals,
u"(?P<quote>['\"]).*?(?P=quote)", {})
def test_seq(self):
assert re_add_variants(u"[x-y]") == u"[ẋẍýÿŷȳẏẙỳỵỷỹx-y]"
assert re_add_variants(u"[f-gm]") == u"[ḟꝼĝğġģǧǵḡᵹf-gmḿṁṃ]"
assert re_add_variants(u"[^m]") == u"[^mḿṁṃ]"
assert re_add_variants(u"[^m-m\\w]") == u"[^ḿṁṃm-m\\w]"
assert re_add_variants(u"[^m-m]") == "[^ḿṁṃm-m]"
assert re_add_variants(u"[^ö]") == u"[^ö]"
assert re_add_variants(u"[LLL]") == u"[LĹĻĽḶḸḺḼŁ]"
def test_literal(self):
assert re_add_variants(u"f") == u"[fḟꝼ]"
assert u"ø" in re_add_variants(u"o")
assert u"Ø" in re_add_variants(u"O")
assert re_add_variants(u"[^f]") == u"[^fḟꝼ]"
class TCompileMatch(TestCase):
def test_basics_default(self):
assert compile(u"foo")(u"foo")
assert compile(u"foo")(u"fooo")
assert not compile(u"foo")(u"fo")
def test_ignore_case(self):
assert compile(u"foo", ignore_case=True)(u"Foo")
assert not compile(u"foo", ignore_case=False)(u"Foo")
def test_assert_dot_all(self):
assert compile(u"a.b", dot_all=True)(u"a\nb")
assert not compile(u"a.b", dot_all=False)(u"a\nb")
assert compile(u"a.b", dot_all=False)(u"a b")
def test_unicode_equivalence(self):
assert compile(u"\u212B")(u"\u00C5")
assert compile(u"\u00C5")(u"\u212B")
assert compile(u"A\u030a")(u"\u00C5")
assert compile(u"A\u030a")(u"\u212B")
assert compile(u"o\u0308")(u"o\u0308")
assert compile(u"o\u0308")(u"\xf6")
assert compile(u"\xf6")(u"o\u0308")
def test_assert_asym(self):
assert compile(u"o", asym=True)(u"ö")
assert not compile(u"o", asym=False)(u"ö")
def test_assert_asym_unicode_equivalence(self):
assert compile(u"A", asym=True)(u"\u00C5")
assert compile(u"A\u030a", asym=True)(u"\u212B")
assert compile(u"\u00C5", asym=True)(u"\u212B")
assert compile(u"\u212B", asym=True)(u"\u00C5")
def test_invalid(self):
with self.assertRaises(ValueError):
compile(u"(F", asym=False)
with self.assertRaises(ValueError):
compile(u"(F", asym=True)
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