public void OnGet_VerifyCorrectServiceMethodIsCalled()
{
//Arrange
var mockService = new Mock <IListPoemsService>();
mockService.Setup(s => s.ListPoemsByDate()).Returns(new List <PoemDTO>());
//Act
var listModel = new ListPoemsByDateModel(mockService.Object);
var testResult = listModel.OnGet();
//Assert
mockService.Verify(s => s.ListPoemsByDate());
}
public void OnGet_VerifyPageIsReturnedAndPoemListIsSet()
{
//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.ListPoemsByDate()).Returns(poemDTOList);
//Act
var listModel = new ListPoemsByDateModel(mockService.Object);
var testResult = listModel.OnGet();
//Assert
Assert.IsType <PageResult>(testResult);
Assert.Equal(poemDTOList.Count(), listModel.Poems.Count());
}
public void OnGet_InvalidModelState_VerifyServiceMethodIsNotCalledAndRedirect()
{
//Arrange
var mockService = new Mock <IListPoemsService>();
mockService.Setup(s => s.ListPoemsByDate());
var listModel = new ListPoemsByDateModel(mockService.Object);
listModel.ModelState.AddModelError("test", "invalid state");
//Act
var testResult = listModel.OnGet();
//Assert
mockService.Verify(s => s.ListPoemsByDate(), Times.Never);
Assert.IsType <RedirectToPageResult>(testResult);
var redirectToPage = (RedirectToPageResult)testResult;
Assert.Equal(REDIRECT_PAGE_NAME_WHEN_ERROR, redirectToPage.PageName);
}