def test_score_with_zero_bayes_denon(self, get_categories_mock):
cat1_mock = mock.MagicMock()
cat1_mock.get_token_count.return_value = 2
cat1_mock.get_tally.return_value = 8
cat2_mock = mock.MagicMock()
cat2_mock.get_token_count.return_value = 4
cat2_mock.get_tally.return_value = 32
get_categories_mock.return_value = {'foo': cat1_mock, 'bar': cat2_mock}
sb = SimpleBayes()
sb.calculate_category_probability()
sb.probabilities['foo']['prc'] = 0
sb.probabilities['foo']['prnc'] = 0
result = sb.score('hello world')
self.assertEqual({'bar': 1.777777777777778}, result)
assert 3 == get_categories_mock.call_count, \
get_categories_mock.call_count
cat1_mock.get_token_count.assert_any_call('hello')
cat1_mock.get_token_count.assert_any_call('world')
cat1_mock.get_tally.assert_called_once_with()
cat2_mock.get_token_count.assert_any_call('hello')
cat2_mock.get_token_count.assert_any_call('world')
cat2_mock.get_tally.assert_called_once_with()
def test_score_with_zero_bayes_denon(self, get_categories_mock):
cat1_mock = mock.MagicMock()
cat1_mock.get_token_count.return_value = 2
cat1_mock.get_tally.return_value = 8
cat2_mock = mock.MagicMock()
cat2_mock.get_token_count.return_value = 4
cat2_mock.get_tally.return_value = 32
get_categories_mock.return_value = {
'foo': cat1_mock,
'bar': cat2_mock
}
sb = SimpleBayes()
sb.calculate_category_probability()
sb.probabilities['foo']['prc'] = 0
sb.probabilities['foo']['prnc'] = 0
result = sb.score('hello world')
self.assertEqual(
{
'bar': 1.777777777777778
},
result
)
assert 3 == get_categories_mock.call_count, \
get_categories_mock.call_count
cat1_mock.get_token_count.assert_any_call('hello')
cat1_mock.get_token_count.assert_any_call('world')
cat1_mock.get_tally.assert_called_once_with()
cat2_mock.get_token_count.assert_any_call('hello')
cat2_mock.get_token_count.assert_any_call('world')
cat2_mock.get_tally.assert_called_once_with()
def test_classify(self, get_categories_mock):
cat1_mock = mock.MagicMock()
cat1_mock.get_token_count.return_value = 2
cat1_mock.get_tally.return_value = 8
cat2_mock = mock.MagicMock()
cat2_mock.get_token_count.return_value = 4
cat2_mock.get_tally.return_value = 32
get_categories_mock.return_value = {
'foo': cat1_mock,
'bar': cat2_mock
}
sb = SimpleBayes()
sb.calculate_category_probability()
result = sb.classify('hello world')
self.assertEqual('bar', result)
assert 3 == get_categories_mock.call_count, \
get_categories_mock.call_count
cat1_mock.get_token_count.assert_any_call('hello')
cat1_mock.get_token_count.assert_any_call('world')
cat1_mock.get_tally.assert_called_once_with()
cat2_mock.get_token_count.assert_any_call('hello')
cat2_mock.get_token_count.assert_any_call('world')
cat2_mock.get_tally.assert_called_once_with()
def test_classify_with_empty_category(self, get_categories_mock):
cat_mock = mock.MagicMock()
cat_mock.get_tally.return_value = 0
cat_mock.get_token_count.return_value = 0
get_categories_mock.return_value = {'foo': cat_mock}
sb = SimpleBayes()
sb.calculate_category_probability()
result = sb.classify('hello world')
self.assertIsNone(result)
assert 3 == get_categories_mock.call_count, \
get_categories_mock.call_count
cat_mock.get_tally.assert_called_once_with()
def test_classify_with_empty_category(self, get_categories_mock):
cat_mock = mock.MagicMock()
cat_mock.get_tally.return_value = 0
cat_mock.get_token_count.return_value = 0
get_categories_mock.return_value = {
'foo': cat_mock
}
sb = SimpleBayes()
sb.calculate_category_probability()
result = sb.classify('hello world')
self.assertIsNone(result)
assert 3 == get_categories_mock.call_count, \
get_categories_mock.call_count
cat_mock.get_tally.assert_called_once_with()
def test_classify(self, get_categories_mock):
cat1_mock = mock.MagicMock()
cat1_mock.get_token_count.return_value = 2
cat1_mock.get_tally.return_value = 8
cat2_mock = mock.MagicMock()
cat2_mock.get_token_count.return_value = 4
cat2_mock.get_tally.return_value = 32
get_categories_mock.return_value = {'foo': cat1_mock, 'bar': cat2_mock}
sb = SimpleBayes()
sb.calculate_category_probability()
result = sb.classify('hello world')
self.assertEqual('bar', result)
assert 3 == get_categories_mock.call_count, \
get_categories_mock.call_count
cat1_mock.get_token_count.assert_any_call('hello')
cat1_mock.get_token_count.assert_any_call('world')
cat1_mock.get_tally.assert_called_once_with()
cat2_mock.get_token_count.assert_any_call('hello')
cat2_mock.get_token_count.assert_any_call('world')
cat2_mock.get_tally.assert_called_once_with()