public async Task ShouldProcessCommandsAndTransmitCurrentPosition()
{
var manouvreCommandParameter = RoverCommandParametersBuilder.WithOneSafeMoveCommand();
var commandRetrieverStub = new Mock <IRetrieveRoverCommands>();
commandRetrieverStub
.Setup(x => x.GetAll())
.ReturnsAsync(new[]
{
manouvreCommandParameter
})
.Verifiable();
var transmitterStub = new Mock <ITransmitRoverPosition>();
transmitterStub
.Setup(x => x.Transmit(It.IsAny <CurrentRoverPosition>()))
.Returns(Task.CompletedTask)
.Verifiable();
var useCase = new RoverOperationUsecase(
commandRetrieverStub.Object,
transmitterStub.Object);
await useCase.StartRoverOperation();
commandRetrieverStub.Verify(x => x.GetAll(), Times.Once);
transmitterStub.Verify(x =>
x.Transmit(It.IsAny <CurrentRoverPosition>()),
Times.Once);
}
public async Task ShouldNotTransmitPositionIfThereAreNoManouvreCommandsToProcess()
{
var commandRetrieverStub = new Mock <IRetrieveRoverCommands>();
commandRetrieverStub
.Setup(x => x.GetAll())
.ReturnsAsync(new[]
{
RoverCommandParametersBuilder.WithNoManouvreCommands()
});
var transmitterStub = new Mock <ITransmitRoverPosition>();
transmitterStub
.Setup(x => x.Transmit(It.IsAny <CurrentRoverPosition>()))
.Returns(Task.CompletedTask)
.Verifiable();
var useCase = new RoverOperationUsecase(
commandRetrieverStub.Object,
transmitterStub.Object);
await useCase.StartRoverOperation();
transmitterStub.Verify(x => x.Transmit(It.IsAny <CurrentRoverPosition>()), Times.Never);
}
public async Task ShouldThrowIfCommandForcesRoverToMoveOffTerrain()
{
var commandRetrieverStub = new Mock <IRetrieveRoverCommands>();
commandRetrieverStub
.Setup(x => x.GetAll())
.ReturnsAsync(new[]
{
RoverCommandParametersBuilder.WithUnsafeManouvreCommand()
});
var useCase = new RoverOperationUsecase(
commandRetrieverStub.Object,
new Mock <ITransmitRoverPosition>().Object);
await Assert.ThrowsAsync <InvalidOperationException>(() => useCase.StartRoverOperation());
}
private static Mock <IRetrieveRoverCommands> CreateCommandRetrieverStubWith(
int startingX,
int startingY,
Direction startingHeading)
{
var manouvreCommandParameter = RoverCommandParametersBuilder.WithOneSafeMoveCommandWithStartingPosition(
startingX, startingY, startingHeading);
var commandRetrieverStub = new Mock <IRetrieveRoverCommands>();
commandRetrieverStub
.Setup(x => x.GetAll())
.ReturnsAsync(new[]
{
manouvreCommandParameter
});
return(commandRetrieverStub);
}
