public async Task Can_Edit_Book()
{
BookManageController ctrl = new BookManageController(bookRepo);
Book book = new Book {
Name = "C# programming"
};
ActionResult result = await ctrl.Edit(book);
mockContext.Verify(x => x.SetModified(It.IsAny <Book>()), Times.Once);
mockContext.Verify(x => x.SaveChangesAsync(), Times.Once);
Assert.IsNotInstanceOfType(result, typeof(ViewResult));
}
public async Task Cannot_Edit_Book_With_Invalid_Data()
{
BookManageController ctrl = new BookManageController(bookRepo);
Book book = new Book {
Name = "C# programming"
};
ctrl.ModelState.AddModelError("error", "error message");
ActionResult result = await ctrl.Edit(book);
mockContext.Verify(x => x.SetModified(It.IsAny <Book>()), Times.Never);
mockContext.Verify(x => x.SaveChangesAsync(), Times.Never);
Assert.IsInstanceOfType(result, typeof(ViewResult));
}
