public async Task ShouldNot_CreateDuplicateTask()
{
var items = new Dictionary<string, TaskToDo>()
{
{
"task1", new TaskToDo()
{
Name = "task1",
StatusCode = "NotStarted"
}
}
};
var collection = new InMemoryItemsCollection<TaskToDo>(items);
var handler = new DefaultCommandHandlers(collection);
var newTaskCmd = new CreateTaskCommand()
{
Name = "task1",
Priority = 1,
Statues = "NotStarted"
};
var ex = await Assert.ThrowsAsync<AppException>(async ()
=> await handler.Handle(newTaskCmd, CancellationToken.None));
Assert.Equal("Task with the same name already exists", ex.Message);
}
public async Task ShouldNot_Delete_Incomplete_Task()
{
var items = new Dictionary <string, TaskToDo>()
{
{
"task1", new TaskToDo()
{
Name = "task1",
StatusCode = "NotStarted"
}
}
};
var collection = new InMemoryItemsCollection <TaskToDo>(items);
var handler = new DefaultCommandHandlers(collection);
var deleteTaskCmd = new DeleteTaskCommand()
{
Id = "task1"
};
var ex = await Assert.ThrowsAsync <AppException>(async()
=> await handler.Handle(deleteTaskCmd, CancellationToken.None));
Assert.Equal("Only 'Completed' task can be deleted", ex.Message);
}
public async Task Should_CreateNewTask()
{
var items = new Dictionary<string, TaskToDo>();
var collection = new InMemoryItemsCollection<TaskToDo>(items);
var handler = new DefaultCommandHandlers(collection);
var id = await handler.Handle(new CreateTaskCommand()
{
Name = "task1",
Priority = 1,
Statues = "NotStarted"
}, CancellationToken.None);
Assert.True(collection.Items.Any());
}
public async Task ShouldNot_CreateTask_Without_Name()
{
var items = new Dictionary<string, TaskToDo>();
var collection = new InMemoryItemsCollection<TaskToDo>(items);
var handler = new DefaultCommandHandlers(collection);
var newTaskCmd = new CreateTaskCommand()
{
Name = "",
Statues = "NotStarted"
};
var ex = await Assert.ThrowsAsync<AppException>(async ()
=> await handler.Handle(newTaskCmd, CancellationToken.None));
Assert.Equal("Task name can't be empty", ex.Message);
}
public void Should_CreateAllTasks_In_Parallel()
{
var items = new Dictionary<string, TaskToDo>();
var collection = new InMemoryItemsCollection<TaskToDo>(items);
var handler = new DefaultCommandHandlers(collection);
var total = 100;
var result = Parallel.For(1, total + 1, async (i, state) =>
{
var newTaskCmd = new CreateTaskCommand()
{
Name = $"task {i}",
Statues = "NotStarted"
};
await handler.Handle(newTaskCmd, CancellationToken.None);
});
Assert.Equal(total, collection.Items.Count());
}
public async Task Should_DeleteTask()
{
var items = new Dictionary <string, TaskToDo>()
{
{
"task1", new TaskToDo()
{
Name = "task1",
StatusCode = "Completed"
}
}
};
var collection = new InMemoryItemsCollection <TaskToDo>(items);
var handler = new DefaultCommandHandlers(collection);
var deleted = await handler.Handle(new DeleteTaskCommand()
{
Id = "task1"
}, CancellationToken.None);
Assert.True(deleted);
Assert.False(collection.Items.Any());
}
public DefaultQueryHandlers(InMemoryItemsCollection <TaskToDo> collection)
{
_collection = collection;
}
