public async Task DeleteAsync_UsingNonexistentEntityKey_MustThrowException()
{
// Arrange
var inMemoryDatabase =
new DbContextOptionsBuilder <TodoDbContext>()
.UseInMemoryDatabase($"db--{Guid.NewGuid():N}")
.EnableDetailedErrors()
.EnableSensitiveDataLogging();
var mockLogger = new Mock <ILogger <TodoItemService> >();
var owner = new Mock <IPrincipal>();
owner.SetupGet(x => x.Identity).Returns(new GenericIdentity("test"));
var deleteTodoItemInfo = new DeleteTodoItemInfo
{
Id = long.MaxValue,
Owner = owner.Object
};
var todoItemService = new TodoItemService(new TodoDbContext(inMemoryDatabase.Options), mockLogger.Object);
// Act
Func <Task> deleteAsyncCall = async() => await todoItemService.DeleteAsync(deleteTodoItemInfo);
// Assert
await deleteAsyncCall.Should().ThrowExactlyAsync <EntityNotFoundException>(
"service cannot delete data using nonexistent entity key");
}
public async Task GetByQueryAsync_UsingValidQuery_MustSucceed(TodoItemQuery todoItemQuery)
{
// Arrange
var inMemoryDatabase =
new DbContextOptionsBuilder <TodoDbContext>()
.UseInMemoryDatabase($"db--{Guid.NewGuid():N}")
.EnableDetailedErrors()
.EnableSensitiveDataLogging();
var mockLogger = new Mock <ILogger <TodoItemService> >();
var owner = new Mock <IPrincipal>();
owner.SetupGet(x => x.Identity).Returns(new GenericIdentity("test"));
todoItemQuery.Owner = owner.Object;
var todoItemService = new TodoItemService(new TodoDbContext(inMemoryDatabase.Options), mockLogger.Object);
// Act
Func <Task <IList <TodoItemInfo> > > getByQueryAsyncCall =
async() => await todoItemService.GetByQueryAsync(todoItemQuery);
// Assert
await getByQueryAsyncCall.Should().NotThrowAsync("query is valid");
}
public async Task UpdateAsync_UsingNullAsUpdateTodoItemInfo_MustThrowException()
{
// Arrange
var mockTodoDbContext = new DbContextMock <TodoDbContext>(DummyOptions);
var mockLogger = new Mock <ILogger <TodoItemService> >();
var todoItemService = new TodoItemService(mockTodoDbContext.Object, mockLogger.Object);
UpdateTodoItemInfo updateTodoItemInfo = null;
// Act
// ReSharper disable once ExpressionIsAlwaysNull
Func <Task> updateAsyncCall = async() => await todoItemService.UpdateAsync(updateTodoItemInfo);
// Assert
await updateAsyncCall.Should().ThrowExactlyAsync <ArgumentNullException>(
"service cannot update data using a null item");
}
public async Task DeleteAsync_UsingNullAsDeleteTodoItemInfo_MustThrowException()
{
// Arrange
var mockTodoDbContext = new DbContextMock <TodoDbContext>(DummyOptions);
var mockLogger = new Mock <ILogger <TodoItemService> >();
var todoItemService = new TodoItemService(mockTodoDbContext.Object, mockLogger.Object);
DeleteTodoItemInfo deleteTodoItemInfo = null;
// Act
// ReSharper disable once ExpressionIsAlwaysNull
Func <Task> deleteAsyncCall = async() => await todoItemService.DeleteAsync(deleteTodoItemInfo);
// Assert
await deleteAsyncCall
.Should().ThrowExactlyAsync <ArgumentNullException>("service cannot delete data using a null item")
.WithParameterName(nameof(deleteTodoItemInfo), "the item is null");
}
public async Task GetByQueryAsync_UsingNullAsQuery_MustThrowException()
{
// Arrange
var mockTodoDbContext = new DbContextMock <TodoDbContext>(DummyOptions);
var mockLogger = new Mock <ILogger <TodoItemService> >();
var todoItemService = new TodoItemService(mockTodoDbContext.Object, mockLogger.Object);
TodoItemQuery todoItemQuery = null;
// Act
// ReSharper disable once ExpressionIsAlwaysNull
Func <Task <IList <TodoItemInfo> > > getByQueryAsyncCall =
async() => await todoItemService.GetByQueryAsync(todoItemQuery);
// Assert
await getByQueryAsyncCall.Should().ThrowExactlyAsync <ArgumentNullException>(
"service cannot fetch data using a null query");
}
