id: no-assert-tuple
valid:
  - 'assert True'
  - 'assert x == 1'
  - 'assert x, "message"'
  - 'assert (x == 1), "message"'  # explicit grouping, not a tuple
  - 'assert actual == (1, 2)'
  - 'assert (actual == (1, 2))'
  - 'assert (f((1, 2)))'
  - 'assert (left, right) == expected'
  - 'assert value in {(1, 2), (3, 4)}'
  - 'assert {item for item in values if item != (1, 2)}'
  - 'assert all(item in {(1, 2)} for item in values)'
  - 'assert True, ("tuple", "message")'
  - 'assert actual == (1, 2), ("tuple", "message")'
invalid:
  - 'assert ()'
  - 'assert (1, 2)'
  - 'assert (x, y)'
  - 'assert ((x, y))'
  - 'assert (((x, y)))'
  - 'assert (x, y), ("tuple", "message")'
  - 'assert (1, 2, 3), "message"'
  - |
    def f():
        assert (a, b)