def test_start_is_neg_infinity(self):
r = Range('~:5.5')
self.assertFalse(r.invert)
self.assertEqual(r.start, float('-inf'))
self.assertEqual(r.end, 5.5)
def test_invert(self):
r = Range('@-9.1:2.6')
self.assertTrue(r.invert)
self.assertEqual(r.start, -9.1)
self.assertEqual(r.end, 2.6)
def test_omit_start(self):
r = Range('5')
self.assertFalse(r.invert)
self.assertEqual(r.start, 0)
self.assertEqual(r.end, 5)
def test_omit_end(self):
r = Range('7.7:')
self.assertFalse(r.invert)
self.assertEqual(r.start, 7.7)
self.assertEqual(r.end, float('inf'))
def test_explicit_start_stop(self):
self.assertEqual('1.5:5', str(Range('1.5:5')))
def test_invert(self):
self.assertEqual('@3:7', str(Range('@3:7')))
def test_explicit_start_end(self):
r = Range('0.5:4')
self.assertFalse(r.invert)
self.assertEqual(r.start, 0.5)
self.assertEqual(r.end, 4)
def test_repr(self):
self.assertEqual("Range('2:3')", repr(Range('2:3')))
def test_violation_empty_range(self):
self.assertEqual('outside range 0:', Range('').violation)
def test_null_range(self):
self.assertEqual(Range(), Range(''))
self.assertEqual(Range(), Range(None))
def test_violation_greater_than(self):
self.assertEqual('outside range 0:4', Range('4').violation)
def test_violation_outside(self):
self.assertEqual('outside range 2:3', Range('2:3').violation)
def test_large_number(self):
self.assertEqual('2800000000', str(Range('2800000000')))
def test_range_from_range(self):
orig = Range('@3:5')
copy = Range(orig)
self.assertEqual(copy, orig)
def test_int(self):
r = Range(42)
self.assertFalse(r.invert)
self.assertEqual(r.start, 0)
self.assertEqual(r.end, 42)
def test_contains(self):
r = Range('1.7:2.5')
self.assertFalse(1.6 in r)
self.assertTrue(1.7 in r)
self.assertTrue(2.5 in r)
self.assertFalse(2.6 in r)
def test_float(self):
r = Range(0.12)
self.assertFalse(r.invert)
self.assertEqual(r.start, 0)
self.assertEqual(r.end, 0.12)
def test_empty(self):
self.assertEqual('', str(Range()))
def test_spec_with_unknown_type_should_raise(self):
with self.assertRaises(ValueError):
Range([1, 2])
def test_neg_infinity(self):
self.assertEqual('~:-3.0', str(Range('~:-3.0')))
def test_empty_range_is_zero_to_infinity(self):
r = Range('')
self.assertFalse(r.invert)
self.assertEqual(r.start, 0)
self.assertEqual(r.end, float('inf'))