def test_extensions_entropy_jsp(self):
actual = extensions_entropy(self.ds)
jsp_e = -(2 / 6) * get_log(2 / 6) - (2 / 4) * get_log(
2 / 4) - (1 / 4) * get_log(1 / 4)
self.assertEqual(jsp_e,
actual.get('dev1').get('.jsp'),
'test_extensions_entropy_jsp')
def test_extensions_entropy_py(self):
actual = extensions_entropy(self.ds)
py_e = -(1 / 2) * get_log(1 / 2) - (1 / 7) * get_log(
1 / 7) - (1 / 4) * get_log(1 / 4)
self.assertEqual(py_e,
actual.get('dev2').get('.py'),
'test_extensions_entropy_py')
def test_extensions_entropy_php(self):
actual = extensions_entropy(self.ds)
php_e = -(1 / 6) * get_log(1 / 6) - (1 / 4) * get_log(
1 / 4) - (1 / 2) * get_log(1 / 2)
self.assertEqual(php_e,
actual.get('dev1').get('.php'),
'test_extensions_entropy_php')
def test_extensions_entropy_java(self):
actual = extensions_entropy(self.ds)
java_e = -(1 / 2) * get_log(1 / 2) - (1 / 4) * get_log(
1 / 4) - (1 / 4) * get_log(1 / 4) - (1) * get_log(1)
self.assertEqual(java_e,
actual.get('dev1').get('.java'),
'test_extensions_entropy_java')
def test_ext_ranges(self):
ext = extensions_entropy(self.ds)
data = {'good': ext}
actual = get_ext_ranges(data)
self.assertEqual(actual['good'].get(0), 0, 'test_ext_ranges limit: 0')
self.assertEqual(actual['good'].get(1), 3, 'test_ext_ranges limit: 1')
self.assertEqual(actual['good'].get(2), 4, 'test_ext_ranges limit: 2')
self.assertEqual(actual['good'].get(5), 0, 'test_ext_ranges limit: 5')
def test_extension_distribution(self):
ext = extensions_entropy(self.ds)
java_e = -(1 / 2) * get_log(1 / 2) - (1 / 4) * get_log(
1 / 4) - (1 / 4) * get_log(1 / 4) - (1) * get_log(1)
data = {'good': ext}
actual = extension_distribution(data)
self.assertEqual(actual['good'][1], ['dev1 .java', java_e],
'test_extension_distribution')
def test_get_popular(self):
ext = extensions_entropy(self.ds_extended)
data = {'good': ext}
two = get_popular(data, 2)
one = get_popular(data, 1)
self.assertTrue('.java' in one[0],
'test_get_popular for one popular extension')
self.assertEqual(len(two), 2,
'test_get_popular for four popular extensions')
self.assertTrue('.java' in two[0],
'test_get_popular for four popular extensions: .java')
self.assertTrue('.py' in two[1],
'test_get_popular for four popular extensions: .py')
def test_get_extremes_avg(self):
ext = extensions_entropy(self.ds_extended)
data = {'good': ext, 'bad': ext}
extremes, avgs = get_extremes_avg(data)
jsp_e = -(2 / 6) * get_log(2 / 6) - (2 / 4) * get_log(
2 / 4) - (1 / 4) * get_log(1 / 4)
self.assertEqual(len(extremes['good']), 0,
'test_get_extremes_avg list of min should be empty')
self.assertEqual(avgs['good']['.jsp'][1], set(['dev1']),
'test_get_extremes_avg avg developers .jsp')
self.assertEqual(avgs['good']['.java'][1],
set(['dev1', 'dev3', 'dev4']),
'test_get_extremes_avg avg developers .jsp')
self.assertEqual(avgs['good']['.jsp'][0], jsp_e,
'test_get_extremes_avg avg entropy sum .jsp')
self.assertEqual(avgs['good']['.jsp'][2], jsp_e,
'test_get_extremes_avg avg entropy avg .jsp')
def test_extension_distribution_count(self):
ext = extensions_entropy(self.ds)
data = {'good': ext}
actual = extension_distribution(data)
self.assertEqual(len(actual['good']), 7,
'test_extension_distribution_count')
def test_average_ext_number(self):
ext = extensions_entropy(self.ds)
data = {'good': ext}
actual = average_ext_number(data)
self.assertEqual(actual['good'], 3.5, 'test_average_ext_number')