public FindSequenceRequestHandlerTests()
{
_readerMock = new Mock <IWordDictionaryReader>();
_sequenceFinderMock = new Mock <ISequenceFinder>();
_writerMock = new Mock <ISequenceResultWriter>();
_loggerMock = new Mock <ILogger <FindSequenceRequestHandler> >();
_requestHandler = new FindSequenceRequestHandler(_readerMock.Object, _sequenceFinderMock.Object, _writerMock.Object, _loggerMock.Object);
_validCommand = new FindSequenceCommand
{
DictionaryLocation = "TestInput",
StartWord = "Strt",
EndWord = "End.",
ResultLocation = "TestOutput"
};
}
public async Task GivenInvalidDictionaryLocation_WhenHandleRequest_ThenErrorMessageReturned()
{
// Arrange
var command = new FindSequenceCommand
{
DictionaryLocation = "", // INVALID
StartWord = "Strt",
EndWord = "End.",
ResultLocation = "Some/Valid/Location"
};
// Act
var result = await _requestHandler.Handle(command, default);
// Assert
result.IsSuccessful.Should().BeFalse();
result.ErrorList.Should().HaveCount(1);
result.ErrorList.Should().Contain(err => err.Contains("Dictionary Location"));
}