Python MinValueColumnConstraint示例

示例#1

文件： test_constraints.py 项目： hhy5277/dagster

def test_min_value_column_constraint():
    test_dataframe = DataFrame({'foo': [1, 1, 2, 3]})
    assert (MinValueColumnConstraint(0, ignore_missing_vals=False).validate(
        test_dataframe, 'foo') is None)
    with pytest.raises(ConstraintViolationException):
        MinValueColumnConstraint(2, ignore_missing_vals=False).validate(
            test_dataframe, 'foo')

示例#2

文件： test_constraints.py 项目： hhy5277/dagster

def test_min_valid_column_constraint_ignore_nan():
    for nullable in NAN_VALUES:
        test_dataframe = DataFrame({'foo': [1, 1, 2, 3, nullable]})
        assert (MinValueColumnConstraint(0, ignore_missing_vals=True).validate(
            test_dataframe, 'foo') is None)

        with pytest.raises(ConstraintViolationException):
            MinValueColumnConstraint(3, ignore_missing_vals=True).validate(
                test_dataframe, 'foo')

示例#3

文件： test_constraints.py 项目： zkan/dagster

def test_max_value_column_constraint():
    test_dataframe = DataFrame({'foo': [1, 1, 2, 3]})
    assert MaxValueColumnConstraint(5).validate(test_dataframe, 'foo') is None
    with pytest.raises(ConstraintViolationException):
        assert MinValueColumnConstraint(2).validate(test_dataframe, 'foo')