def test_NumericStringisAllLettersreturnsFalse(self):
string = "123"
reg = Regex(string)
actual = reg.isAllLetters(pattern="^[0-9]+$")
expected = True
self.assertEqual(actual, expected)
def test_NumericWithAlphaStringisAllLettersreturnsFalse(self):
string = "123ABC"
reg = Regex(string)
actual = reg.isAllLetters(pattern="^[a-zA-Z]+$")
expected = False
self.assertEqual(actual, expected)
def test_emptyStringisAllLettersreturnsFalse(self):
string = ""
reg = Regex(string)
actual = reg.isAllLetters()
expected = False
self.assertEqual(actual, expected)
def test_NumericStringisAllLettersreturnsFalse(self):
string = "1231414"
reg = Regex(string)
actual = reg.isAllLetters()
expected = False
self.assertEqual(actual, expected)
def test_isAllLettersreturnsTrue(self):
string = "HelloWorld"
reg = Regex(string)
actual = reg.isAllLetters()
expected = True
self.assertEqual(actual, expected)
