def test_three_sentences(self):
para = Paragraph('''This is a paragraph. It has several sentences.
Three, in fact.''')
self.assertEqual(3, para.num_sentences())
def test_empty_paragraph(self):
para = Paragraph('')
self.assertEqual(0, para.num_sentences())
def test_single_sentence(self):
para = Paragraph('This is a paragraph with one sentence.')
self.assertEqual(1, para.num_sentences())
def test_several_sentences(self):
text = """Once upon a time, a brave princess went on a dangerous journey. She
had many adventures, and recruited other heros to her important and
noble cause."""
paragraph = Paragraph(text)
self.assertEqual(2, paragraph.num_sentences())
def test_single_sentence(self):
paragraph = Paragraph("This is one sentence.")
self.assertEqual(1, paragraph.num_sentences())
def test_empty_paragraph(self):
with self.assertRaises(ValueError):
Paragraph("")
def test_several_sentences(self):
several_sentences_paragraph = Paragraph('''Hello, Alex
How is life
Life is ok''')
self.assertEqual(3, several_sentences_paragraph.num_sentences())
def test_single_sentence(self):
single_sentence_paragraph = Paragraph('Hello, Alex')
self.assertEqual(1, single_sentence_paragraph.num_sentences())
