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How to use test_empty_dtype method in pandera

Best Python code snippet using pandera_python

test_empty.py

Source:test_empty.py

...138            ),139        ),140    ],141)142def test_empty_dtype(all_parsers, dtype, expected):143    # see gh-14712144    parser = all_parsers145    data = "a,b"146    result = parser.read_csv(StringIO(data), header=0, dtype=dtype)...

test_dtypes.pyi

Source:test_dtypes.pyi

...65def test_raise_on_passed_int_dtype_with_nas(all_parsers: Any) -> None:66    ...67def test_dtype_with_converters(all_parsers: Any) -> None:68    ...69def test_empty_dtype(all_parsers: Any, dtype: Any, expected: Any) -> None:70    ...71def test_numeric_dtype(all_parsers: Any, dtype: Any) -> None:...

test_expr_node.py

Source:test_expr_node.py

...15    @typing.no_type_check16    def test_null_dtype(self) -> None:17        with self.assertRaises(AssertionError):18            ExprNode(expr=NumberNode(value="1", dtype="int"), dtype=None)19    def test_empty_dtype(self) -> None:20        with self.assertRaises(AssertionError):21            ExprNode(expr=NumberNode(value="1", dtype="int"), dtype="")22    def test_expr_property(self) -> None:23        self.assertEqual(self.expr_node.expr, NumberNode(value="1", dtype="int"))24    def test_dtype_property(self) -> None:25        self.assertEqual(self.expr_node.dtype, "int")26    def test_eq_null_other(self) -> None:27        self.assertFalse(self.expr_node == None)28    def test_eq_self_other(self) -> None:29        self.assertTrue(self.expr_node == self.expr_node)30    def test_eq_not_binary_operator_node(self) -> None:31        self.assertFalse(self.expr_node == "")32    def test_eq_not_equal_node(self) -> None:33        self.assertFalse(...

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