def test_sanity():
"""Feed output of a class into itself"""
text_a = TextBody(open('moby_dick.txt').read())
words_before = text_a.words[:]
copy = ' '.join(text_a.words)
text_b = TextBody(copy)
assert_(words_before, text_b.words)
def test_average_words(self):
"""Simple average length."""
text = TextBody("white whale")
self.assertEqual(text.get_average_word_length(), 5)
def test_count_word_complex():
"""Count word in a longer text"""
text = TextBody(MOBYDICK_SUMMARY)
counter = WordCounter(text)
assert_equal(counter.count_word("white"), 2)
def test_count_word_simple():
"""Count word in a short text"""
text = TextBody("the white white whale")
counter = WordCounter(text)
assert_equal(counter.count_word("white"), 2)
def test_average_words_complex(self):
"""Complex average length."""
text = TextBody(MOBYDICK_SUMMARY)
self.assertAlmostEqual(text.get_average_word_length(), 4.0, 3)
def test_average_words(self):
"""Simple average length."""
text = TextBody("white whale")
self.assertEqual(text.get_average_word_length(), 5)
def test_word_number_text():
"""Count words in a text paragraph"""
text = TextBody(MOBYDICK_SUMMARY)
assert_equal(text.word_number, 54)
def test_biggest():
"""An entire book works."""
text = TextBody(open('moby_dick.txt').read())
assert_(text.word_number, 200000)
def test_word_number_one():
"""Count single word in a text"""
text = TextBody("one_word")
assert text.word_number == 1
def setUp(self):
"""Prepare before each test"""
MOBYDICK_SUMMARY = open('mobydick_summary.txt').read()
self.text = TextBody(MOBYDICK_SUMMARY)
self.counter = WordCounter(self.text)
#!/usr/bin/env python
from word_counter import TextBody
import sys
def get_top_words(text, n):
'''Returns the n most frequent words.'''
d = {}
for word in text.words:
d.setdefault(word, 0)
d[word] += 1
data = [(d[word], word) for word in d]
data.sort()
data.reverse()
return data[:n]
if __name__ == '__main__':
print('usage:\npython word_report.py <filename> <number>')
textfile = sys.argv[1]
number = int(sys.argv[2])
text = TextBody(open(textfile).read())
for count, word in get_top_words(text, number):
print(word, count)
#!/usr/bin/env python
#
# example of a test generator
#
from nose.tools import assert_equal
from word_counter import TextBody, WordCounter
MOBYDICK_SUMMARY = open('mobydick_summary.txt').read()
TEXT = TextBody(MOBYDICK_SUMMARY)
COUNTER = WordCounter(TEXT)
WORD_PAIRS = [('months', 1), ('whale', 5), ('captain', 4), ('white', 2),
('harpoon', 1), ('Ahab', 1)]
def check_word(word, number):
assert_equal(COUNTER.count_word(word), number)
def test_word_pairs():
# Tests a series of example words
# creates one test for each word
# --- no docstring so that parameters are visible ---
for word, number in WORD_PAIRS:
yield check_word, word, number
# nose does
for x, y, z in test_word_pairs:
if x(y, z):
def test_empty():
"""Empty input works"""
text = TextBody('')
assert_(text.word_number, 0)
def test_nasty():
"""Ugly data example works."""
text = TextBody(
"That #~&%* program still doesn't work!\nI already de-bugged it 3 times, and still numpy.array keeps throwing AttributeErrors. What should I do?"
)
assert_(text.word_number, 22)
def test_average_words_complex(self):
"""Complex average length."""
text = TextBody(MOBYDICK_SUMMARY)
self.assertAlmostEqual(text.get_average_word_length(), 4.0, 3)
def test_word_number_two():
"""Count two words in a text"""
text = TextBody("two words")
assert_equal(text.word_number, 2)
def test_average_empty(self):
"""Tests behaviour when input is not a string."""
text = TextBody("")
self.assertRaises(TypeError, text.get_average_word_length)
def test_smallest():
"""Minimal string works."""
text = TextBody("whale")
assert_(text.words, ['whale'])
