def test_04_update_02(self):
"""Verify that the perceptron update is performed correctly."""
classifier = PerceptronClassifier({'highly': 1, 'boring': -1})
classifier.update(self.small_instance_list_do_update[1])
expected_weigths = {'highly': 1, 'boring': 0}
self.assertEqual(classifier.weights, expected_weigths)
classifier = PerceptronClassifier({'highly': 1, 'boring': -1})
do_update = classifier.update(self.small_instance_list_no_update[1])
self.assertEqual(False, do_update)
def test_04_update_01(self):
"""Verify that the perceptron update is performed correctly."""
classifier = PerceptronClassifier({'highly': 1, 'boring': -1})
# Test document: ("highly", "doc25", -1)
classifier.update(self.small_instance_list_do_update[0])
expected_weigths = {'highly': 0, 'boring': -1}
self.assertEqual(classifier.weights, expected_weigths)
classifier = PerceptronClassifier({'highly': 1, 'boring': -1})
# Test document: ("boring", "doc26", 1),
do_update = classifier.update(self.small_instance_list_no_update[0])
self.assertEqual(False, do_update)
