def test_leading_bear(self):
'''Test an bear list.'''
output = leading_substrings('bear')
output_expected = ['b', 'be', 'bea', 'bear']
self.assertEqual(output_expected, output,
"'bear' is decomposed correctly.")
def test_leading_empty(self):
'''Test an empty list.'''
output = leading_substrings('')
output_expected = []
self.assertEqual(output_expected, output,
"'' is decomposed correctly.")
def test_leading_sub_multi_word(self):
'''Test for more than one word'''
input = 'the test ran'
output_expected = [
't', 'th', 'the', 'the ', 'the t', 'the te', 'the tes', 'the test',
'the test ', 'the test r', 'the test ra', 'the test ran'
]
output = leading.leading_substrings(input)
self.assertEqual(output_expected, output, 'Multiple words')
def test_empty_string(self):
'''Test empty string'''
inputed = ''
output = leading.leading_substrings(inputed)
output_expected = []
self.assertEqual(output, output_expected, 'The string is empty.')
def test_longer_string(self):
'''Test on a longer string.'''
inputed = 'hello'
output = leading.leading_substrings(inputed)
output_expected = ['h', 'he', 'hel', 'hell', 'hello']
self.assertEqual(output, output_expected, 'The string is longer.')
def test_one_characte_string(self):
'''Test on a one-character string.'''
inputed = 'a'
output = leading.leading_substrings(inputed)
output_expected = ['a']
self.assertEqual(output, output_expected, 'The string is of length 1.')
def test_leading_sub_empty(self):
'''Tests empty string'''
input = ''
output_expected = []
output = leading.leading_substrings(input)
self.assertEqual(output_expected, output, 'No characters')
def test_leading_sub_two(self):
'''Tests for two characters'''
input = 'hi'
output_expected = ['h', 'hi']
output = leading.leading_substrings(input)
self.assertEqual(output_expected, output, 'Two characters')
def test_leading_sub_double_extra_space(self):
'''Tests for one extra space at the beginning and end'''
input = ' test '
output_expected = [' ', ' t', ' te', ' tes', ' test', ' test ']
output = leading.leading_substrings(input)
self.assertEqual(output_expected, output, 'Space beginning and end')
def test_leading_sub_one(self):
'''Tests for one character'''
input = 'a'
output_expected = ['a']
output = leading.leading_substrings(input)
self.assertEqual(output_expected, output, 'One character')
def test_empty(self):
'''Test an empty string.'''
input = ""
output_expected = []
output = leading.leading_substrings(input)
self.assertEqual(output_expected, output, "Empty string.")
def justspaces(self):
'''Test when 4 spaces string'''
input = " "
output_expected = [" ", " ", " ", " "]
output = leading.leading_substrings(input)
self.assertEqual(output_expected, output, "Only spaces case.")
def test_two_char(self):
'''Test when two letter string'''
input = "ab"
output_expected = ["a", "ab"]
output = leading.leading_substrings(input)
self.assertEqual(output_expected, output, "Two letter case.")
def test_one_char(self):
'''Test when one letter string'''
input = "a"
output_expected = ["a"]
output = leading.leading_substrings(input)
self.assertEqual(output_expected, output, "One letter case.")
