remove_spans test cases

gistfile1.py

import unittest

def remove_spans(string, spans):
    return string

class TestRemoveSpans(unittest.TestCase):

    def test_one_span(self):
        s = "I am a test string! Hahaaa! Narwhals!"
        self.assertEquals("I am a string! Hahaaa! Narwhals!",
                          remove_spans(s, [(6, 11)]))

    def test_two_spans(self):
        s = "I am a test string! Hahaaa! Narwhals!"
        self.assertEquals("I am a string! Narwhals!",
                          remove_spans(s, [(6, 11), (19, 27)]))

    def test_empty_span(self):
        s = "I am a test string! Hahaaa! Narwhals!"
        self.assertEquals(s, remove_spans(s, []))

    def test_consecutive_span(self):
        s = "I am a test string! Hahaaa! Narwhals!"
        self.assertEquals("I am a test string!",
                          remove_spans(s, [(19, 27), (27, 37)]))

    def test_one_gap_span(self):
        s = "I am a test string! Hahaaa! Narwhals!"
        self.assertEquals("I am a test string!!",
                          remove_spans(s, [(19, 26), (27, 37)]))

    def test_beginning_span(self):
        s = "I am a test string! Hahaaa! Narwhals!"
        self.assertEquals("a test string! Hahaaa! Narwhals!",
                          remove_spans(s, [(0, 5)]))

    def test_end_span(self):
        s = "I am a test string! Hahaaa! Narwhals!"
        self.assertEquals("I am a test string! Hahaaa!",
                          remove_spans(s, [(27, 37)]))


if __name__ == '__main__':
    unittest.main()