from sys import version_info
from pyflakes.test.harness import TestCase, skipIf
@skipIf(version_info < (3, 10), "Python >= 3.10 only")
class TestMatch(TestCase):
def test_match_bindings(self):
self.flakes('''
def f():
x = 1
match x:
case 1 as y:
print(f'matched as {y}')
''')
self.flakes('''
def f():
x = [1, 2, 3]
match x:
case [1, y, 3]:
print(f'matched {y}')
''')
self.flakes('''
def f():
x = {'foo': 1}
match x:
case {'foo': y}:
print(f'matched {y}')
''')
def test_match_pattern_matched_class(self):
self.flakes('''
from a import B
match 1:
case B(x=1) as y:
print(f'matched {y}')
''')
self.flakes('''
from a import B
match 1:
case B(a, x=z) as y:
print(f'matched {y} {a} {z}')
''')
def test_match_placeholder(self):
self.flakes('''
def f():
match 1:
case _:
print('catchall!')
''')
def test_match_singleton(self):
self.flakes('''
match 1:
case True:
print('true')
''')
def test_match_or_pattern(self):
self.flakes('''
match 1:
case 1 | 2:
print('one or two')
''')
def test_match_star(self):
self.flakes('''
x = [1, 2, 3]
match x:
case [1, *y]:
print(f'captured: {y}')
''')
def test_match_double_star(self):
self.flakes('''
x = {'foo': 'bar', 'baz': 'womp'}
match x:
case {'foo': k1, **rest}:
print(f'{k1=} {rest=}')
''')
|