def test_porter2(self):
"""Test abydos.stemmer.Porter2."""
# base case
self.assertEqual(self.stmr.stem(''), '')
# simple cases
self.assertEqual(self.stmr.stem('c'), 'c')
self.assertEqual(self.stmr.stem('da'), 'da')
self.assertEqual(self.stmr.stem('ad'), 'ad')
self.assertEqual(self.stmr.stem('sing'), 'sing')
self.assertEqual(self.stmr.stem('singing'), 'sing')
# missed branch test cases
self.assertEqual(self.stmr.stem('capitalism'), 'capit')
self.assertEqual(self.stmr.stem('fatalism'), 'fatal')
self.assertEqual(self.stmr.stem("dog's"), 'dog')
self.assertEqual(self.stmr.stem("A's'"), 'a')
self.assertEqual(self.stmr.stem('agreedly'), 'agre')
self.assertEqual(self.stmr.stem('feedly'), 'feed')
self.assertEqual(self.stmr.stem('stional'), 'stional')
self.assertEqual(self.stmr.stem('palism'), 'palism')
self.assertEqual(self.stmr.stem('sization'), 'sizat')
self.assertEqual(self.stmr.stem('licated'), 'licat')
self.assertEqual(self.stmr.stem('lical'), 'lical')
self.assertEqual(self.stmr.stem('clessly'), 'clessli')
self.assertEqual(self.stmr.stem('tably'), 'tabli')
self.assertEqual(self.stmr.stem('sizer'), 'sizer')
self.assertEqual(self.stmr.stem('livity'), 'liviti')
# Test wrapper
self.assertEqual(porter2('capitalism'), 'capit')
def test_porter2(self):
"""Test abydos.stemmer.Porter2."""
# base case
self.assertEqual(self.stmr.stem(''), '')
# simple cases
self.assertEqual(self.stmr.stem('c'), 'c')
self.assertEqual(self.stmr.stem('da'), 'da')
self.assertEqual(self.stmr.stem('ad'), 'ad')
self.assertEqual(self.stmr.stem('sing'), 'sing')
self.assertEqual(self.stmr.stem('singing'), 'sing')
# missed branch test cases
self.assertEqual(self.stmr.stem('capitalism'), 'capit')
self.assertEqual(self.stmr.stem('fatalism'), 'fatal')
self.assertEqual(self.stmr.stem("dog's"), 'dog')
self.assertEqual(self.stmr.stem("A's'"), 'a')
self.assertEqual(self.stmr.stem('agreedly'), 'agre')
self.assertEqual(self.stmr.stem('feedly'), 'feed')
self.assertEqual(self.stmr.stem('stional'), 'stional')
self.assertEqual(self.stmr.stem('palism'), 'palism')
self.assertEqual(self.stmr.stem('sization'), 'sizat')
self.assertEqual(self.stmr.stem('licated'), 'licat')
self.assertEqual(self.stmr.stem('lical'), 'lical')
self.assertEqual(self.stmr.stem('clessly'), 'clessli')
self.assertEqual(self.stmr.stem('tably'), 'tabli')
self.assertEqual(self.stmr.stem('sizer'), 'sizer')
self.assertEqual(self.stmr.stem('livity'), 'liviti')
# Test wrapper
self.assertEqual(porter2('capitalism'), 'capit')
def test_porter2_snowball(self):
"""test abydos.stemmer.porter2 (Snowball testset)
These test cases are from
http://snowball.tartarus.org/algorithms/english/diffs.txt
"""
# Snowball Porter test set
with open(TESTDIR+'/corpora/snowball_porter2.csv') as snowball_testset:
next(snowball_testset)
for line in snowball_testset:
if line[0] != '#':
line = line.strip().split(',')
word, stem = line[0], line[1]
self.assertEqual(porter2(word), stem.lower())
def test_porter2_early_english(self):
"""Test abydos.stemmer.porter2 (early English)."""
# base case
self.assertEqual(porter2('', early_english=True), '')
# simple cases (no different from regular stemmer)
self.assertEqual(porter2('c', early_english=True), 'c')
self.assertEqual(porter2('da', early_english=True), 'da')
self.assertEqual(porter2('ad', early_english=True), 'ad')
self.assertEqual(porter2('sing', early_english=True), 'sing')
self.assertEqual(porter2('singing', early_english=True), 'sing')
# make
self.assertEqual(porter2('make', early_english=True), 'make')
self.assertEqual(porter2('makes', early_english=True), 'make')
self.assertEqual(porter2('maketh', early_english=True), 'make')
self.assertEqual(porter2('makest', early_english=True), 'make')
# say
self.assertEqual(porter2('say', early_english=True), 'say')
self.assertEqual(porter2('says', early_english=True), 'say')
self.assertEqual(porter2('sayeth', early_english=True), 'say')
self.assertEqual(porter2('sayest', early_english=True), 'say')
# missed branch test cases
self.assertEqual(porter2('best', early_english=True), 'best')
self.assertEqual(porter2('meth', early_english=True), 'meth')
def test_porter2_early_english(self):
"""test abydos.stemmer.porter2 (early English)
"""
# base case
self.assertEqual(porter2('', early_english=True), '')
# simple cases (no different from regular stemmer)
self.assertEqual(porter2('c', early_english=True), 'c')
self.assertEqual(porter2('da', early_english=True), 'da')
self.assertEqual(porter2('ad', early_english=True), 'ad')
self.assertEqual(porter2('sing', early_english=True), 'sing')
self.assertEqual(porter2('singing', early_english=True), 'sing')
# make
self.assertEqual(porter2('make', early_english=True), 'make')
self.assertEqual(porter2('makes', early_english=True), 'make')
self.assertEqual(porter2('maketh', early_english=True), 'make')
self.assertEqual(porter2('makest', early_english=True), 'make')
# say
self.assertEqual(porter2('say', early_english=True), 'say')
self.assertEqual(porter2('says', early_english=True), 'say')
self.assertEqual(porter2('sayeth', early_english=True), 'say')
self.assertEqual(porter2('sayest', early_english=True), 'say')
# missed branch test cases
self.assertEqual(porter2('best', early_english=True), 'best')
self.assertEqual(porter2('meth', early_english=True), 'meth')
def test_porter2(self):
"""test abydos.stemmer.porter2
"""
# base case
self.assertEqual(porter2(''), '')
# simple cases
self.assertEqual(porter2('c'), 'c')
self.assertEqual(porter2('da'), 'da')
self.assertEqual(porter2('ad'), 'ad')
self.assertEqual(porter2('sing'), 'sing')
self.assertEqual(porter2('singing'), 'sing')
# missed branch test cases
self.assertEqual(porter2('capitalism'), 'capit')
self.assertEqual(porter2('fatalism'), 'fatal')
self.assertEqual(porter2('dog\'s'), 'dog')
self.assertEqual(porter2('A\'s\''), 'a')
self.assertEqual(porter2('agreedly'), 'agre')
self.assertEqual(porter2('feedly'), 'feed')
self.assertEqual(porter2('stional'), 'stional')
self.assertEqual(porter2('palism'), 'palism')
self.assertEqual(porter2('sization'), 'sizat')
self.assertEqual(porter2('licated'), 'licat')
self.assertEqual(porter2('lical'), 'lical')
self.assertEqual(porter2('clessly'), 'clessli')
self.assertEqual(porter2('tably'), 'tabli')
self.assertEqual(porter2('sizer'), 'sizer')
self.assertEqual(porter2('livity'), 'liviti')
