def test_extract_sentences_regular(self):
"""
Verify that extract_sentences can be correctly applied to strings with sentences whose only punctuation is at the end.
"""
# Strings with one grammatically CORRECT sentence
self.assertEqual(
ParseTools.extract_sentences("Here is a declaritive sentence."),
["Here is a declaritive sentence."])
self.assertEqual(
ParseTools.extract_sentences("Is this an interrogative sentence?"),
["Is this an interrogative sentence?"])
self.assertEqual(
ParseTools.extract_sentences("This is an excalamtory sentence!"),
["This is an excalamtory sentence!"])
# Strings with multiple grammatically CORRECT sentences
self.assertEqual(
ParseTools.extract_sentences(
"This string has two sentences. Both of the sentences are grammatically correct."
), [
"This string has two sentences.",
"Both of the sentences are grammatically correct."
])
# Strings with multiple grammatically INCORRECT sentences
self.assertEqual(
ParseTools.extract_sentences(
"Sentences have this does two. Grammar not is."),
["Sentences have this does two.", "Grammar not is."])
def test_extract_sentences_twitter_words(self):
"""
Verify behavior of extract_sentences when it enconters twitter words.
"""
self.assertEqual(
ParseTools.extract_sentences(
"@TrumpPeeLannin I am there and and you can see the proof?"),
["@TrumpPeeLannin I am there and and you can see the proof?"])
self.assertEqual(
ParseTools.extract_sentences("@TheBearthen Thanks!"),
["@TheBearthen Thanks!"])
def test_extract_sentences_alternative_puncuation(self):
"""
Verify that extract_sentences can be correctly applied to strings with sentences with embedded punctuation.
"""
self.assertEqual(
ParseTools.extract_sentences("Dr. Seuss was a good author."),
["Dr. Seuss was a good author."])
def test_extract_sentences_alt_punctuation(self):
"""
Verify behavior of extract_sentences on strings with alternative punctuation.
"""
self.assertEqual(ParseTools.extract_sentences("."), ["."])
self.assertEqual(ParseTools.extract_sentences(".."), [".."])
self.assertEqual(ParseTools.extract_sentences("..."), ["..."])
self.assertEqual(ParseTools.extract_sentences("...."), ["...."])
self.assertEqual(
ParseTools.extract_sentences("This string has no punctuation"),
["This string has no punctuation"])
self.assertEqual(
ParseTools.extract_sentences(
"This sentence has punctuation. This does not"),
["This sentence has punctuation.", "This does not"])
self.assertEqual(
ParseTools.extract_sentences(
"This sentence ends in three dots... This does not."),
["This sentence ends in three dots...", "This does not."])
def test_extract_sentences_null_string(self):
"""
Verify that extract_sentences can correctly indicate that a null string has no sentences.
"""
self.assertEqual(ParseTools.extract_sentences(""), [])