Method test_single_pair

mypy/test/testinfer.py:350–366

(self)

        )

    def test_single_pair(self) -> None:
        x0 = NameExpr("x0")
        x1 = NameExpr("x1")

        single_comparison = [("==", x0, x1)]
        expected_output = [("==", [0, 1])]

        assignable_combinations: list[dict[int, NameExpr]] = [{}, {0: x0}, {1: x1}, {0: x0, 1: x1}]
        to_group_by: list[set[str]] = [set(), {"=="}, {"is"}]

        for combo in assignable_combinations:
            for operators in to_group_by:
                keymap = self.literal_keymap(combo)
                self.assertEqual(
                    group_comparison_operands(single_comparison, keymap, operators),
                    expected_output,
                )

    def test_empty_pair_list(self) -> None:
        # This case should never occur in practice -- ComparisonExprs