/usr/share/pyshared/enchant/tokenize/tests.py is in python-enchant 1.6.5-2.
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#
# Copyright (C) 2004-2008, Ryan Kelly
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
# In addition, as a special exception, you are
# given permission to link the code of this program with
# non-LGPL Spelling Provider libraries (eg: a MSFT Office
# spell checker backend) and distribute linked combinations including
# the two. You must obey the GNU Lesser General Public License in all
# respects for all of the code used other than said providers. If you modify
# this file, you may extend this exception to your version of the
# file, but you are not obligated to do so. If you do not wish to
# do so, delete this exception statement from your version.
#
"""
enchant.tokenize.tests: unittests for enchant tokenization functions.
"""
import unittest
import array
from enchant.tokenize import *
from enchant.tokenize.en import tokenize as tokenize_en
from enchant.utils import raw_unicode, unicode, bytes
class TestTokenization(unittest.TestCase):
"""TestCases for testing the basic tokenization functionality."""
def test_basic_tokenize(self):
"""Simple regression test for basic white-space tokenization."""
input = """This is a paragraph. It's not very special, but it's designed
2 show how the splitter works with many-different combos
of words. Also need to "test" the (handling) of 'quoted' words."""
output = [
("This",0),("is",5),("a",8),("paragraph",10),("It's",22),
("not",27),("very",31),("special",36),("but",45),("it's",49),
("designed",54),("2",63), ("show",65),("how",70),("the",74),
("splitter",78),("works",87),("with",93),("many-different",98),
("combos",113),("of",120),("words",123),
("Also",130),("need",135),
("to",140),("test",144),("the",150),("handling",155),
("of",165),("quoted",169),("words",177)
]
self.assertEqual(output,[i for i in basic_tokenize(input)])
for (itmO,itmV) in zip(output,basic_tokenize(input)):
self.assertEqual(itmO,itmV)
def test_tokenize_strip(self):
"""Test special-char-stripping edge-cases in basic_tokenize."""
input = "((' <this> \"\" 'text' has (lots) of (special chars} >>]"
output = [ ("<this>",4),("text",15),("has",21),("lots",26),("of",32),
("special",36),("chars}",44),(">>",51)]
self.assertEqual(output,[i for i in basic_tokenize(input)])
for (itmO,itmV) in zip(output,basic_tokenize(input)):
self.assertEqual(itmO,itmV)
def test_wrap_tokenizer(self):
"""Test wrapping of one tokenizer with another."""
input = "this-string will be split@according to diff'rnt rules"
from enchant.tokenize import en
tknzr = wrap_tokenizer(basic_tokenize,en.tokenize)
tknzr = tknzr(input)
self.assertEqual(tknzr._tokenizer.__class__,basic_tokenize)
self.assertEqual(tknzr._tokenizer.offset,0)
for (n,(word,pos)) in enumerate(tknzr):
if n == 0:
self.assertEqual(pos,0)
self.assertEqual(word,"this")
if n == 1:
self.assertEqual(pos,5)
self.assertEqual(word,"string")
if n == 2:
self.assertEqual(pos,12)
self.assertEqual(word,"will")
# Test setting offset to a previous token
tknzr.offset = 5
self.assertEqual(tknzr.offset,5)
self.assertEqual(tknzr._tokenizer.offset,5)
self.assertEqual(tknzr._curtok.__class__,empty_tokenize)
if n == 3:
self.assertEqual(word,"string")
self.assertEqual(pos,5)
if n == 4:
self.assertEqual(pos,12)
self.assertEqual(word,"will")
if n == 5:
self.assertEqual(pos,17)
self.assertEqual(word,"be")
# Test setting offset past the current token
tknzr.offset = 20
self.assertEqual(tknzr.offset,20)
self.assertEqual(tknzr._tokenizer.offset,20)
self.assertEqual(tknzr._curtok.__class__,empty_tokenize)
if n == 6:
self.assertEqual(pos,20)
self.assertEqual(word,"split")
if n == 7:
self.assertEqual(pos,26)
self.assertEqual(word,"according")
# Test setting offset to middle of current token
tknzr.offset = 23
self.assertEqual(tknzr.offset,23)
self.assertEqual(tknzr._tokenizer.offset,23)
self.assertEqual(tknzr._curtok.offset,3)
if n == 8:
self.assertEqual(pos,23)
self.assertEqual(word,"it")
# OK, I'm pretty happy with the behaviour, no need to
# continue testing the rest of the string
class TestFilters(unittest.TestCase):
"""TestCases for the various Filter subclasses."""
text = """this text with http://url.com and SomeLinksLike
ftp://my.site.com.au/some/file AndOthers not:/quite.a.url
with-an@aemail.address as well"""
def setUp(self):
pass
def test_URLFilter(self):
"""Test filtering of URLs"""
tkns = get_tokenizer("en_US",filters=(URLFilter,))(self.text)
out = [t for t in tkns]
exp = [("this",0),("text",5),("with",10),("and",30),
("SomeLinksLike",34),("AndOthers",93),("not",103),("quite",108),
("a",114),("url",116),("with",134),("an",139),("aemail",142),
("address",149),("as",157),("well",160)]
self.assertEqual(out,exp)
def test_WikiWordFilter(self):
"""Test filtering of WikiWords"""
tkns = get_tokenizer("en_US",filters=(WikiWordFilter,))(self.text)
out = [t for t in tkns]
exp = [("this",0),("text",5),("with",10),("http",15),("url",22),("com",26),
("and",30), ("ftp",62),("my",68),("site",71),("com",76),("au",80),
("some",83),("file",88),("not",103),("quite",108),
("a",114),("url",116),("with",134),("an",139),("aemail",142),
("address",149),("as",157),("well",160)]
self.assertEqual(out,exp)
def test_EmailFilter(self):
"""Test filtering of email addresses"""
tkns = get_tokenizer("en_US",filters=(EmailFilter,))(self.text)
out = [t for t in tkns]
exp = [("this",0),("text",5),("with",10),("http",15),("url",22),("com",26),
("and",30),("SomeLinksLike",34),
("ftp",62),("my",68),("site",71),("com",76),("au",80),
("some",83),("file",88),("AndOthers",93),("not",103),("quite",108),
("a",114),("url",116),
("as",157),("well",160)]
self.assertEqual(out,exp)
def test_CombinedFilter(self):
"""Test several filters combined"""
tkns=get_tokenizer("en_US",filters=(URLFilter,WikiWordFilter,EmailFilter))(self.text)
out = [t for t in tkns]
exp = [("this",0),("text",5),("with",10),
("and",30),("not",103),("quite",108),
("a",114),("url",116),
("as",157),("well",160)]
self.assertEqual(out,exp)
class TestChunkers(unittest.TestCase):
"""TestCases for the various Chunker subclasses."""
def test_HTMLChunker(self):
"""Test filtering of URLs"""
text = """hello<html><head><title>my title</title></head><body>this is a
<b>simple</b> HTML document for <p> test<i>ing</i> purposes</p>.
It < contains > various <-- special characters.
"""
tkns = get_tokenizer("en_US",chunkers=(HTMLChunker,))(text)
out = [t for t in tkns]
exp = [("hello",0),("my",24),("title",27),("this",53),("is",58),
("a",61),("simple",82),("HTML",93),("document",98),("for",107),
("test",115),("ing",122),("purposes",130),("It",160),
("contains",165),("various",176),("special",188),
("characters",196)]
self.assertEqual(out,exp)
for (word,pos) in out:
self.assertEqual(text[pos:pos+len(word)],word)
class TestTokenizeEN(unittest.TestCase):
"""TestCases for checking behaviour of English tokenization."""
def test_tokenize_en(self):
"""Simple regression test for English tokenization."""
input = """This is a paragraph. It's not very special, but it's designed
2 show how the splitter works with many-different combos
of words. Also need to "test" the handling of 'quoted' words."""
output = [
("This",0),("is",5),("a",8),("paragraph",10),("It's",22),
("not",27),("very",31),("special",36),("but",45),("it's",49),
("designed",54),("show",65),("how",70),("the",74),
("splitter",78),("works",87),("with",93),("many",98),
("different",103),("combos",113),("of",120),("words",123),
("Also",130),("need",135),
("to",140),("test",144),("the",150),("handling",154),
("of",163),("quoted",167),("words",175)
]
for (itmO,itmV) in zip(output,tokenize_en(input)):
self.assertEqual(itmO,itmV)
def test_unicodeBasic(self):
"""Test tokenization of a basic unicode string."""
input = raw_unicode(r"Ik ben ge\u00EFnteresseerd in de co\u00F6rdinatie van mijn knie\u00EBn, maar kan niet \u00E9\u00E9n \u00E0 twee enqu\u00EAtes vinden die recht doet aan mijn carri\u00E8re op Cura\u00E7ao")
output = input.split(" ")
output[8] = output[8][0:-1]
for (itmO,itmV) in zip(output,tokenize_en(input)):
self.assertEqual(itmO,itmV[0])
self.assertTrue(input[itmV[1]:].startswith(itmO))
def test_unicodeCombining(self):
"""Test tokenization with unicode combining symbols."""
input = raw_unicode(r"Ik ben gei\u0308nteresseerd in de co\u00F6rdinatie van mijn knie\u00EBn, maar kan niet e\u0301e\u0301n \u00E0 twee enqu\u00EAtes vinden die recht doet aan mijn carri\u00E8re op Cura\u00E7ao")
output = input.split(" ")
output[8] = output[8][0:-1]
for (itmO,itmV) in zip(output,tokenize_en(input)):
self.assertEqual(itmO,itmV[0])
self.assertTrue(input[itmV[1]:].startswith(itmO))
def test_utf8_bytes(self):
"""Test tokenization of UTF8-encoded bytes (bug #2500184)."""
# Python3 doesn't support bytestrings, don't run this test
if str is unicode:
return
input = "A r\xc3\xa9sum\xc3\xa9, also spelled resum\xc3\xa9 or resume"
output = input.split(" ")
output[1] = output[1][0:-1]
for (itmO,itmV) in zip(output,tokenize_en(input)):
self.assertEqual(itmO,itmV[0])
self.assertTrue(input[itmV[1]:].startswith(itmO))
def test_utf8_bytes_at_end(self):
"""Test tokenization of UTF8-encoded bytes at end of word."""
# Python3 doesn't support bytestrings, don't run this test
if str is unicode:
return
input = "A r\xc3\xa9sum\xc3\xa9, also spelled resum\xc3\xa9 or resume"
output = input.split(" ")
output[1] = output[1][0:-1]
for (itmO,itmV) in zip(output,tokenize_en(input)):
self.assertEqual(itmO,itmV[0])
def test_utf8_bytes_in_an_array(self):
"""Test tokenization of UTF8-encoded bytes stored in an array."""
# Python3 doesn't support bytestrings, don't run this test
if str is unicode:
return
input = "A r\xc3\xa9sum\xc3\xa9, also spelled resum\xc3\xa9 or resume"
output = input.split(" ")
output[1] = output[1][0:-1]
input = array.array('c',input)
output = [array.array('c',w) for w in output]
for (itmO,itmV) in zip(output,tokenize_en(array.array('c',input))):
self.assertEqual(itmO,itmV[0])
self.assertEqual(input[itmV[1]:itmV[1]+len(itmV[0])],itmO)
def test_bug1591450(self):
"""Check for tokenization regressions identified in bug #1591450."""
input = """Testing <i>markup</i> and {y:i}so-forth...leading dots and trail--- well, you get-the-point. Also check numbers: 999 1,000 12:00 .45. Done?"""
output = [
("Testing",0),("i",9),("markup",11),("i",19),("and",22),
("y",27),("i",29),("so",31),("forth",34),("leading",42),
("dots",50),("and",55),("trail",59),("well",68),
("you",74),("get",78),("the",82),("point",86),
("Also",93),("check",98),("numbers",104),("Done",134),
]
for (itmO,itmV) in zip(output,tokenize_en(input)):
self.assertEqual(itmO,itmV)
def test_bug2785373(self):
"""Testcases for bug #2785373"""
input = "So, one dey when I wes 17, I left."
for _ in tokenize_en(input):
pass
input = raw_unicode("So, one dey when I wes 17, I left.")
for _ in tokenize_en(input):
pass
def test_finnish_text(self):
"""Test tokenizing some Finnish text.
This really should work since there are no special rules to apply,
just lots of non-ascii characters.
"""
inputT = raw_unicode('T\\xe4m\\xe4 on kappale. Eip\\xe4 ole kovin 2 nen, mutta tarkoitus on n\\xe4ytt\\xe4\\xe4 miten sanastaja \\ntoimii useiden-erilaisten sanarypp\\xe4iden kimpussa.\\nPit\\xe4\\xe4p\\xe4 viel\\xe4 \'tarkistaa\' sanat jotka "lainausmerkeiss\\xe4". Heittomerkki ja vaa\'an.\\nUlkomaisia sanoja s\\xfcss, spa\\xdf.')
outputT = [
(raw_unicode('T\\xe4m\\xe4'),0), (raw_unicode('on'),5), (raw_unicode('kappale'),8), (raw_unicode('Eip\\xe4'),17), (raw_unicode('ole'),22), (raw_unicode('kovin'),26), (raw_unicode('nen'),34), (raw_unicode('mutta'),39), (raw_unicode('tarkoitus'),45), (raw_unicode('on'),55), (raw_unicode('n\\xe4ytt\\xe4\\xe4'),58), (raw_unicode('miten'),66), (raw_unicode('sanastaja'),72), (raw_unicode('toimii'),83), (raw_unicode('useiden'),90), (raw_unicode('erilaisten'),98), (raw_unicode('sanarypp\\xe4iden'),109), (raw_unicode('kimpussa'),123), (raw_unicode('Pit\\xe4\\xe4p\\xe4'),133), (raw_unicode('viel\\xe4'),141), (raw_unicode('tarkistaa'),148), (raw_unicode('sanat'),159), (raw_unicode('jotka'),165), (raw_unicode('lainausmerkeiss\\xe4'),172), (raw_unicode('Heittomerkki'),191), (raw_unicode('ja'),204), (raw_unicode("vaa'an"),207), (raw_unicode('Ulkomaisia'),215), (raw_unicode('sanoja'),226), (raw_unicode('s\\xfcss'),233), (raw_unicode('spa\\xdf'),239),]
for (itmO,itmV) in zip(outputT,tokenize_en(inputT)):
self.assertEqual(itmO,itmV)
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