public void OnGet_VerifyCorrectServiceMethodIsCalled()
{
//Arrange
var mockService = new Mock <IListPoemsService>();
mockService.Setup(s => s.ListByName()).Returns(new List <PoemDTO>());
//Act
var listModel = new ListPoemsByNameModel(mockService.Object);
listModel.OnGet();
//Assert
mockService.Verify(s => s.ListByName());
}
public void OnGet_InvalidModelState_VerifyServiceMethodIsNotCalled()
{
//Arrange
var mockService = new Mock <IListPoemsService>();
mockService.Setup(s => s.ListByName()).Returns(new List <PoemDTO>());
//Act
var listModel = new ListPoemsByNameModel(mockService.Object);
listModel.ModelState.AddModelError("test", "invalid state");
listModel.OnGet();
//Assert
mockService.Verify(s => s.ListByName(), Times.Never);
}
public void OnGet_ExistingPoems_VerifyPoemListIsNotEmpty()
{
//Arrange
var poems = new PoemBuilder().Default().BuildCollection(size: 3);
var poemDTOList = poems.Select(p => PoemDTO.CreateDTOFromEntity(p));
var mockService = new Mock <IListPoemsService>();
mockService.Setup(s => s.ListByName()).Returns(poemDTOList);
//Act
var listModel = new ListPoemsByNameModel(mockService.Object);
listModel.OnGet();
//Assert
Assert.Equal(poemDTOList.Count(), listModel.Poems.Count());
}