def test_calculate_plagiarism_score_empty_sentence(self):
"""
Tests that calculate_plagiarism_score function
can handle empty sentence input
"""
patches_lcs_length = 2
sentence = ()
expected = 0.0
actual = calculate_plagiarism_score(patches_lcs_length, sentence)
self.assertEqual(expected, actual)
def test_calculate_plagiarism_score_ideal(self):
"""
Tests that calculate_plagiarism_score function
can handle ideal simple input
"""
lcs_length = 3
suspicious_sentence_tokens = ('the', 'cat', 'is', 'sleeping')
expected = 0.75
actual = calculate_plagiarism_score(lcs_length,
suspicious_sentence_tokens)
self.assertEqual(expected, actual)
def test_calculate_plagiarism_score_incorrectly_filled_sentence(self):
"""
Tests that calculate_plagiarism_score function
can handle incorrectly filled sentence
"""
patches_lcs_length = 2
sentence = ('', '', None)
expected = -1
actual = calculate_plagiarism_score(patches_lcs_length, sentence)
self.assertEqual(expected, actual)
def test_calculate_plagiarism_score_check_output(self):
"""
Tests that calculate_plagiarism_score function
can generate correct output according to given specs
"""
lcs_length = 3
suspicious_sentence_tokens = ('the', 'cat', 'is', 'sleeping')
actual = calculate_plagiarism_score(lcs_length,
suspicious_sentence_tokens)
self.assertTrue(isinstance(actual, float))
def test_calculate_plagiarism_score_incorrect_sentence_input(self):
"""
Tests that calculate_plagiarism_score function
can handle incorrect suspicious_sentence_tokens inputs
"""
patches_lcs_length = 0
bad_inputs = [[], {}, (), 9.22, -1, 0, -6, None, True]
expected = -1
for bad_input in bad_inputs:
actual = calculate_plagiarism_score(patches_lcs_length, bad_input)
self.assertEqual(expected, actual)
def test_calculate_plagiarism_score_incorrect_lcs_inputs(self):
"""
Tests that calculate_plagiarism_score function
can handle incorrect lcs_matrix inputs
"""
bad_inputs = [[], {}, (), '', 9.22, -1, -6, None, True]
patches_sentence = ('the', 'cat', 'is', 'sleeping')
expected = -1
for bad_input in bad_inputs:
actual = calculate_plagiarism_score(bad_input, patches_sentence)
self.assertEqual(expected, actual)
def test_calculate_plagiarism_score_min(self):
"""
Tests that calculate_plagiarism_score function
can generate min plagiarism correctly
"""
lcs_length = 0
suspicious_sentence_tokens = ('the', 'cat', 'is', 'sleeping')
expected = 0.0
actual = calculate_plagiarism_score(lcs_length,
suspicious_sentence_tokens)
self.assertEqual(expected, actual)
def test_calculate_plagiarism_score_different_lcs_length(self):
"""
Tests that calculate_plagiarism_score function
can handle bigger lcs_length than given sentence
"""
lcs_length = 1000000
suspicious_sentence_tokens = ('the', 'cat', 'is', 'sleeping')
expected = -1
actual = calculate_plagiarism_score(lcs_length,
suspicious_sentence_tokens)
self.assertEqual(expected, actual)
