def test_shorten_short_str_is_same(self):
s = 'Hello World'
assert_equal(s, shorten_str(s, 50))
def test_shorten_to_really_short(self):
assert_equal('Hello', shorten_str('Hello World', 5))
def test_shorten_str(self):
s = shorten_str('Hello there World', 15)
assert_equal(s, 'Hello ... World')
