public async Task Test_List()
{
var console = new Mock <IMyConsole>(MockBehavior.Loose);
var ctx = new MyDbContext(InMemoryDbCreator.CreateInMemoryOptions <MyDbContext>("Test_List"));
await ctx.ToDos.AddRangeAsync(new ToDo()
{
Id = Guid.NewGuid(),
Text = "Existing1",
Written = DateTime.UtcNow
}, new ToDo()
{
Id = Guid.NewGuid(),
Text = "Existing2",
Written = DateTime.UtcNow
});
await ctx.SaveChangesAsync();
var list = new ListTodos(NullLoggerFactory.Instance, ctx, console.Object);
console.Setup(p => p.WriteLine(It.IsAny <string>()));
await list.ListAsync();
console.Verify(p => p.WriteLine("Existing1"), Times.Once);
console.Verify(p => p.WriteLine("Existing2"), Times.Once);
}
public async Task Test_EmptyList()
{
var console = new Mock <IMyConsole>(MockBehavior.Loose);
var ctx = new MyDbContext(InMemoryDbCreator.CreateInMemoryOptions <MyDbContext>("Test_EmptyList"));
var list = new ListTodos(NullLoggerFactory.Instance, ctx, console.Object);
console.Setup(p => p.WriteLine(It.IsAny <string>()));
await list.ListAsync();
console.Verify(p => p.WriteLine("No TODOs in database. Add one and try again."), Times.Once);
}
public async Task Test_Add()
{
var console = new Mock <IMyConsole>(MockBehavior.Loose);
var ctx = new MyDbContext(InMemoryDbCreator.CreateInMemoryOptions <MyDbContext>("Test_Add"));
var add = new AddTodos(NullLoggerFactory.Instance, ctx, console.Object);
console.Setup(p => p.WriteLine(It.IsAny <string>()));
console.Setup(p => p.ReadLine()).Returns("New TODO");
await add.AwaitAddAsync();
console.Verify(p => p.WriteLine("Enter a todo item, then press enter:"), Times.Once);
console.Verify(p => p.ReadLine(), Times.Once);
Assert.AreEqual(1, await ctx.ToDos.CountAsync());
Assert.AreEqual("New TODO", await ctx.ToDos.Select(p => p.Text).FirstAsync());
}