def test_is_greater_or_equal_throws_error_on_less_than_value(
value: number, min_value: number):
"""
Tests that the `is_greater_or_equal()` method throws an ArgumentOutOfRangeError
when it is supplied with a value that is less than the minimum value.
"""
# Arrange
validator = NumberValidator(value, "value")
# Assert
with pytest.raises(ArgumentOutOfRangeError):
# Act
validator.is_greater_or_equal(min_value)
def test_is_greater_or_equal_accepts_equal_value(value: number,
min_value: number):
"""
Tests that the `is_greater_or_equal()` method does not throw an ArgumentOutOfRangeError
when it is supplied with a value that is equal to the minimum value.
"""
# Arrange
validator = NumberValidator(value, "value")
# Act
try:
validator.is_greater_or_equal(min_value)
# Assert
except ArgumentOutOfRangeError:
pytest.fail(
f'`{value}` should be greater than or equal to `{min_value}`, but an error occurred.'
)
def test_is_greater_or_equal_returns_validator_self():
"""
Tests if the `is_greater_or_equal()` validator method returns itself after the validation is performed,
so that additional validations can be performed.
"""
# Arrange
validator = NumberValidator(5, "value")
# Act
validator_returned = validator.is_greater_or_equal(1)
# Assert
assert validator_returned is validator