public async void Add_WithDataSourceAddReturningLeftDatabaseFailure_ShouldReturnLeftTodoFailureCacheDatabase()
{
// Arrange
var service = CreateService();
var itemToAdd = TodoItem.New(Guid.NewGuid(), false, "test content").SuccessAsEnumerable()[0];
var items = List(
new TodoItemDto(Guid.NewGuid(), false, "test content 1"),
new TodoItemDto(Guid.NewGuid(), true, "test content 2")).ToSeq();
var cacheResult = Right <CacheFailure, Option <List <TodoItemDto> > >(None);
var cacheSetResult = Right <CacheFailure, Unit>(unit);
var dataSourceFailure = DatabaseFailureCon.Insert(Error.New("Datbase insert error"));
var dataSourceAddResult = Left <DatabaseFailure, Unit>(dataSourceFailure);
_mockCache
.Setup(c => c.Get(It.IsAny <string>()))
.Returns(cacheResult.ToAsync())
.Verifiable();
_mockCache
.Setup(c => c.Set(It.IsAny <string>(), It.IsAny <List <TodoItemDto> >()))
.Returns(cacheSetResult.ToAsync())
.Verifiable();
_mockDataSource
.Setup(ds => ds.GetAll())
.Returns(items)
.Verifiable();
_mockDataSource
.Setup(ds => ds.Add(It.IsAny <TodoItemDto>()))
.Returns(dataSourceAddResult.ToAsync());
// Act
var actual = service.Add(itemToAdd);
// Assert
await actual.ShouldBeLeft();
await actual.ShouldBeLeft(f => f.ShouldBeOfType <TodoFailure.Database>());
await actual.ShouldBeLeft(f => (f as TodoFailure.Database).Failure.ShouldBe(dataSourceFailure));
}
public async void GetAll_WithCacheReturningNoneAndDataSourceReturningLeftDatabaseFailure_ShouldReturnLeftTodoFailureDatabase()
{
// Arrange
var service = CreateService();
var items = List(
new TodoItemDto(Guid.NewGuid(), false, "test content 1"),
new TodoItemDto(Guid.NewGuid(), false, "test content 2")).ToSeq();
var cacheResult = Right <CacheFailure, Option <List <TodoItemDto> > >(None);
var dataSourceFailure = DatabaseFailureCon.Retrieve(Error.New("Database retrieve error"));
var dataSourceResult = Left <DatabaseFailure, Seq <TodoItemDto> >(dataSourceFailure);
_mockCache
.Setup(c => c.Get(It.IsAny <string>()))
.Returns(cacheResult.ToAsync())
.Verifiable();
_mockCache
.Setup(c => c.Set(It.IsAny <string>(), It.IsAny <List <TodoItemDto> >()))
.Returns(unit)
.Verifiable();
_mockDataSource
.Setup(ds => ds.GetAll())
.Returns(dataSourceResult.ToAsync())
.Verifiable();
// Act
var actual = service.GetAll();
// Assert
await actual.ShouldBeLeft();
await actual.ShouldBeLeft(f => f.ShouldBeOfType <TodoFailure.Database>());
await actual.ShouldBeLeft(f => (f as TodoFailure.Database).Failure.ShouldBe(dataSourceFailure));
}