public void Should_guard_against_null()
{
// Arrange
IErrorFromExceptionFactory nullErrorFromExceptionFactory = null;
IErrorFromDictionaryFactory nullErrorFromDictionaryFactory = null;
IErrorFromKeyValuePairFactory nullErrorFromKeyValuePairFactory = null;
IErrorFromRawValuesFactory nullErrorFromRawValuesFactory = null;
IErrorFromIdentityErrorFactory nullErrorFromIdentityErrorFactory = null;
// Act & Assert
Assert.Throws <ArgumentNullException>(
() => new DefaultErrorFactory(
nullErrorFromExceptionFactory,
_errorFromDictionaryFactoryMock.Object,
_errorFromKeyValuePairFactoryMock.Object,
_errorFromRawValuesFactoryMock.Object,
_errorFromIdentityErrorFactoryMock.Object
)
);
Assert.Throws <ArgumentNullException>(
() => new DefaultErrorFactory(
_errorFromExceptionFactoryMock.Object,
nullErrorFromDictionaryFactory,
_errorFromKeyValuePairFactoryMock.Object,
_errorFromRawValuesFactoryMock.Object,
_errorFromIdentityErrorFactoryMock.Object
)
);
Assert.Throws <ArgumentNullException>(
() => new DefaultErrorFactory(
_errorFromExceptionFactoryMock.Object,
_errorFromDictionaryFactoryMock.Object,
nullErrorFromKeyValuePairFactory,
_errorFromRawValuesFactoryMock.Object,
_errorFromIdentityErrorFactoryMock.Object
)
);
Assert.Throws <ArgumentNullException>(
() => new DefaultErrorFactory(
_errorFromExceptionFactoryMock.Object,
_errorFromDictionaryFactoryMock.Object,
_errorFromKeyValuePairFactoryMock.Object,
nullErrorFromRawValuesFactory,
_errorFromIdentityErrorFactoryMock.Object
)
);
Assert.Throws <ArgumentNullException>(
() => new DefaultErrorFactory(
_errorFromExceptionFactoryMock.Object,
_errorFromDictionaryFactoryMock.Object,
_errorFromKeyValuePairFactoryMock.Object,
_errorFromRawValuesFactoryMock.Object,
nullErrorFromIdentityErrorFactory
)
);
}
public DefaultErrorFactory(
IErrorFromExceptionFactory errorFromExceptionFactory,
IErrorFromDictionaryFactory errorFromDictionaryFactory,
IErrorFromKeyValuePairFactory errorFromKeyValuePairFactory,
IErrorFromRawValuesFactory errorFromRawValuesFactory,
IErrorFromIdentityErrorFactory errorFromIdentityErrorFactory
)
{
_errorFromExceptionFactory = errorFromExceptionFactory ?? throw new ArgumentNullException(nameof(errorFromExceptionFactory));
_errorFromDictionaryFactory = errorFromDictionaryFactory ?? throw new ArgumentNullException(nameof(errorFromDictionaryFactory));
_errorFromKeyValuePairFactory = errorFromKeyValuePairFactory ?? throw new ArgumentNullException(nameof(errorFromKeyValuePairFactory));
_errorFromRawValuesFactory = errorFromRawValuesFactory ?? throw new ArgumentNullException(nameof(errorFromRawValuesFactory));
_errorFromIdentityErrorFactory = errorFromIdentityErrorFactory ?? throw new ArgumentNullException(nameof(errorFromIdentityErrorFactory));
}