public async Task HandleAsync_WhenPollDoesNotExist_ShouldCallNotFound()
{
// Arrange
const int pollId = 1;
const string expectedResultMessage = "Poll not found";
ILoggerService <DeletePollUseCase> loggerServiceStub = A.Fake <ILoggerService <DeletePollUseCase> >();
IPollGateway pollGatewayStub = A.Fake <IPollGateway>();
A.CallTo(() => pollGatewayStub.GetAsync(pollId))
.Returns((Poll)null);
IDeletePollOutputPort OutputPortMock = A.Fake <IDeletePollOutputPort>();
var useCase = new DeletePollUseCase(loggerServiceStub, pollGatewayStub);
// Act
await useCase.HandleAsync(pollId, OutputPortMock);
// Assert
A.CallTo(
() => OutputPortMock.NotFound(
A <string> .That.Contains(expectedResultMessage)))
.MustHaveHappenedOnceExactly();
}
public async Task HandleAsync_WhenPollDoesNotExist_ShouldLogInformation()
{
// Arrange
const int pollId = 1;
const string expectedLogMessage = "Cannot retrieve a poll with {@id}";
IPollGateway pollGatewayStub = A.Fake <IPollGateway>();
A.CallTo(() => pollGatewayStub.GetAsync(pollId))
.Returns((Poll)null);
IDeletePollOutputPort OutputPortStub = A.Fake <IDeletePollOutputPort>();
ILoggerService <DeletePollUseCase> loggerServiceMock = A.Fake <ILoggerService <DeletePollUseCase> >();
var useCase = new DeletePollUseCase(loggerServiceMock, pollGatewayStub);
// Act
await useCase.HandleAsync(pollId, OutputPortStub);
// Assert
A.CallTo(
() => loggerServiceMock.LogInformation(
A <string> .That.Contains(expectedLogMessage),
A <int> .That.IsEqualTo(pollId)))
.MustHaveHappenedOnceExactly();
}
public async Task HandleAsync_WhenPollExists_ShouldDeleteIt()
{
// Arrange
const int pollId = 1;
Poll poll = this.GetFakePoll();
IPollGateway pollGatewayMock = A.Fake <IPollGateway>();
A.CallTo(() => pollGatewayMock.GetAsync(pollId))
.Returns(poll);
IDeletePollOutputPort OutputPortStub = A.Fake <IDeletePollOutputPort>();
var useCase = new DeletePollUseCase(null, pollGatewayMock);
// Act
await useCase.HandleAsync(pollId, OutputPortStub);
// Assert
A.CallTo(() => pollGatewayMock.DeleteAsync(poll)).MustHaveHappenedOnceExactly();
}
