def test_invalid_range(self):
with self.assertRaises(ValueError):
sorted(expand_alphanumeric_pattern('r[8-]a'))
with self.assertRaises(ValueError):
sorted(expand_alphanumeric_pattern('r[-8]a'))
with self.assertRaises(ValueError):
sorted(expand_alphanumeric_pattern('r[8--9]a'))
def test_invalid_set(self):
with self.assertRaises(ValueError):
sorted(expand_alphanumeric_pattern('r[a]a'))
with self.assertRaises(ValueError):
sorted(expand_alphanumeric_pattern('r[a,]a'))
with self.assertRaises(ValueError):
sorted(expand_alphanumeric_pattern('r[,a]a'))
with self.assertRaises(ValueError):
sorted(expand_alphanumeric_pattern('r[a,,b]a'))
def test_set_multichar(self):
input = '[ra,tb]1a'
output = sorted([
'ra1a',
'tb1a',
])
self.assertEqual(sorted(expand_alphanumeric_pattern(input)), output)
def test_set(self):
input = '[r,t]1a'
output = sorted([
'r1a',
't1a',
])
self.assertEqual(sorted(expand_alphanumeric_pattern(input)), output)
def test_range_numberic(self):
input = 'r[9-11]a'
output = sorted([
'r9a',
'r10a',
'r11a',
])
self.assertEqual(sorted(expand_alphanumeric_pattern(input)), output)
def test_multiple_sets(self):
input = '[ra,tb]1[ax,by]'
output = sorted([
'ra1ax',
'ra1by',
'tb1ax',
'tb1by',
])
self.assertEqual(sorted(expand_alphanumeric_pattern(input)), output)
def test_set_and_range(self):
input = '[ra,tb]1[a-c]'
output = sorted([
'ra1a',
'ra1b',
'ra1c',
'tb1a',
'tb1b',
'tb1c',
])
self.assertEqual(sorted(expand_alphanumeric_pattern(input)), output)
def test_multiple_ranges(self):
input = '[r-t]1[a-b]'
output = sorted([
'r1a',
'r1b',
's1a',
's1b',
't1a',
't1b',
])
self.assertEqual(sorted(expand_alphanumeric_pattern(input)), output)
def expand_pattern(value):
if not value:
return ['']
if re.search(ALPHANUMERIC_EXPANSION_PATTERN, value):
return list(expand_alphanumeric_pattern(value))
return [value]
def test_invalid_range_len(self):
with self.assertRaises(forms.ValidationError):
sorted(expand_alphanumeric_pattern('r[a-bb]a'))
def test_invalid_range_bounds(self):
self.assertEqual(sorted(expand_alphanumeric_pattern('r[9-8]a')), [])
self.assertEqual(sorted(expand_alphanumeric_pattern('r[b-a]a')), [])
def test_invalid_range_alphanumeric(self):
self.assertEqual(sorted(expand_alphanumeric_pattern('r[9-a]a')), [])
self.assertEqual(sorted(expand_alphanumeric_pattern('r[a-9]a')), [])
def test_invalid_non_pattern(self):
with self.assertRaises(ValueError):
sorted(expand_alphanumeric_pattern('r9a'))