public async Task HandleShouldReturnFailWhenDatabaseSpecificErrorOccurs()
{
// Arrange
var mapperMock = new Mock <IMapper>();
mapperMock.Setup(x => x.Map <IEnumerable <OperatorModel> >(It.IsAny <object>())).Returns(new List <OperatorModel>());
var mapper = mapperMock.Object;
var operatorReadRepositoryMock = new Mock <IOperatorReadRepository>();
operatorReadRepositoryMock.Setup(x => x.ListAsync(It.IsAny <Expression <Func <Operator, bool> > >(), It.IsAny <int?>(), It.IsAny <int?>())).Throws <SomeDatabaseSpecificException>();
var operatorReadRepository = operatorReadRepositoryMock.Object;
var operatorOdataProviderMock = new Mock <IOperatorOdataProvider>();
operatorOdataProviderMock.Setup(x => x.GetFilterPredicate(It.IsAny <string>())).Returns((Expression <Func <Operator, bool> >)null);
var operatorOdataProvider = operatorOdataProviderMock.Object;
var query = new ListOperatorQuery(null, null, null);
var handler = new ListOperatorQueryHandler(mapper, operatorReadRepository, operatorOdataProvider);
// Act
var result = await handler.Handle(query, CancellationToken.None);
// Assert
result.IsFailure.Should().BeTrue();
result.Failures.Should().OnlyContain(x => x.Message == CustomFailures.ListOperatorFailure);
}
public async Task HandleShouldReturnOk()
{
// Arrange
var mapperMock = new Mock <IMapper>();
mapperMock.Setup(x => x.Map <IEnumerable <OperatorModel> >(It.IsAny <object>())).Returns(new List <OperatorModel>());
var mapper = mapperMock.Object;
var operatorReadRepositoryMock = new Mock <IOperatorReadRepository>();
operatorReadRepositoryMock.Setup(x => x.ListAsync(It.IsAny <Expression <Func <Operator, bool> > >(), It.IsAny <int?>(), It.IsAny <int?>())).Returns(Task.FromResult(new List <Operator>() as IEnumerable <Operator>));
var operatorReadRepository = operatorReadRepositoryMock.Object;
var operatorOdataProviderMock = new Mock <IOperatorOdataProvider>();
operatorOdataProviderMock.Setup(x => x.GetFilterPredicate(It.IsAny <string>())).Returns((Expression <Func <Operator, bool> >)null);
var operatorOdataProvider = operatorOdataProviderMock.Object;
var query = new ListOperatorQuery(null, null, null);
var handler = new ListOperatorQueryHandler(mapper, operatorReadRepository, operatorOdataProvider);
// Act
var result = await handler.Handle(query, CancellationToken.None);
// Assert
result.IsFailure.Should().BeFalse();
result.Should().BeOfType(typeof(Result <OperatorsModel>));
}
public async Task HandleShouldReturnFailWhenFilterOdataErrorOccurs()
{
// Arrange
var mapperMock = new Mock <IMapper>();
mapperMock.Setup(x => x.Map <IEnumerable <OperatorModel> >(It.IsAny <object>())).Returns(new List <OperatorModel>());
var mapper = mapperMock.Object;
var operatorReadRepositoryMock = new Mock <IOperatorReadRepository>();
operatorReadRepositoryMock.Setup(x => x.ListAsync(It.IsAny <Expression <Func <Operator, bool> > >(), It.IsAny <int?>(), It.IsAny <int?>())).Returns(Task.FromResult(new List <Operator>() as IEnumerable <Operator>));
var operatorReadRepository = operatorReadRepositoryMock.Object;
var operatorOdataProviderMock = new Mock <IOperatorOdataProvider>();
operatorOdataProviderMock.Setup(x => x.GetFilterPredicate(It.IsAny <string>())).Throws <FilterODataException>();
var operatorOdataProvider = operatorOdataProviderMock.Object;
var query = new ListOperatorQuery(null, null, null);
var handler = new ListOperatorQueryHandler(mapper, operatorReadRepository, operatorOdataProvider);
// Act
var result = await handler.Handle(query, CancellationToken.None);
// Assert
result.IsFailure.Should().BeTrue();
result.Failures.Should().OnlyContain(x => x.Code == HandlerFaultCode.InvalidQueryFilter.Name &&
x.Message == HandlerFailures.InvalidQueryFilter &&
x.Target == "$filter");
}
