public async Task ValidateAsync_BookExists_DoesNothing()
{
// Arrange
var bookContainer = new Mock <IBookContainer>();
var book = new Book();
var bookDataAccess = new Mock <IBookDataAccess>();
bookDataAccess.Setup(x => x.GetByAsync(bookContainer.Object)).ReturnsAsync(book);
var bookGetService = new BookGetService(bookDataAccess.Object);
// Act
var action = new Func <Task>(() => bookGetService.ValidateAsync(bookContainer.Object));
// Assert
await action.Should().NotThrowAsync <Exception>();
}
public async Task ValidateAsync_BookNotExists_ThrowsError()
{
// Arrange
var fixture = new Fixture();
var id = fixture.Create <int>();
var bookContainer = new Mock <IBookContainer>();
bookContainer.Setup(x => x.BookId).Returns(id);
var book = new Book();
var bookDataAccess = new Mock <IBookDataAccess>();
bookDataAccess.Setup(x => x.GetByAsync(bookContainer.Object)).ReturnsAsync((Book)null);
var bookGetService = new BookGetService(bookDataAccess.Object);
// Act
var action = new Func <Task>(() => bookGetService.ValidateAsync(bookContainer.Object));
// Assert
await action.Should().ThrowAsync <InvalidOperationException>($"Book not found by id {id}");
}