public void Should_ReturnErrorResponse_When_NoItemsExist()
{
//Arrange
var allItems = new List <Item>().AsQueryable();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
var filteredItems = new List <Item>();
var filteredItemDtos = new List <ItemDto>();
MapperMock
.Setup(c => c.ProjectTo(
It.Is <IQueryable <Item> >(x => ItemsTestHelper.HaveTheSameElements(filteredItems, x)),
null,
It.Is <Expression <Func <ItemDto, object> >[]>(x => x.Length == 0)))
.Returns(filteredItemDtos.AsQueryable());
//Act
var result = ItemsDataService.GetItem(2, "ab70793b-cec8-4eba-99f3-cbad0b1649d0");
//Assert
AssertHelper.AssertAll(
() => result.Data.Should().BeNull(),
() => result.IsSuccess.Should().BeFalse(),
() => result.ErrorMessage.Should().Be("Current user does not have item with id 2")
);
}
public void Should_ReturnErrorResponse_When_CurrentUserDoesNotHaveItemWithThisId()
{
//Arrange
var allItems = BuildItemsCollection();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
var filteredItems = new List <Item>();
var filteredItemDtos = new List <ItemDto>();
MapperMock
.Setup(c => c.ProjectTo(
It.Is <IQueryable <Item> >(x => ItemsTestHelper.HaveTheSameElements(filteredItems, x)),
null,
It.Is <Expression <Func <ItemDto, object> >[]>(x => x.Length == 0)))
.Returns(filteredItemDtos.AsQueryable());
//Act
var result = ItemsDataService.GetItem(2, "925912b0-c59c-4e1b-971a-06e8abab7848");
//Assert
AssertHelper.AssertAll(
() => result.Data.Should().BeNull(),
() => result.IsSuccess.Should().BeFalse(),
() => result.ErrorMessage.Should().Be("Current user does not have item with id 2")
);
}
public void Should_ReturnResponseWithCorrectItem_When_CurrentUserHasItemWithThisId()
{
//Arrange
var allItems = BuildItemsCollection();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
var filteredItem = BuildSecondItem();
var filteredItems = new List <Item>()
{
filteredItem
};
var filteredItemDto = BuildSecondItemDto();
var filteredItemDtos = new List <ItemDto>()
{
filteredItemDto
};
MapperMock
.Setup(c => c.ProjectTo(
It.Is <IQueryable <Item> >(x => ItemsTestHelper.HaveTheSameElements(filteredItems, x)),
null,
It.Is <Expression <Func <ItemDto, object> >[]>(x => x.Length == 0)))
.Returns(filteredItemDtos.AsQueryable());
//Act
var result = ItemsDataService.GetItem(2, "ab70793b-cec8-4eba-99f3-cbad0b1649d0");
//Assert
AssertHelper.AssertAll(
() => result.Data.Id.Should().Be(2),
() => result.Data.Name.Should().Be("Cheese"),
() => result.Data.NextReplenishmentDate.Should().BeSameDateAs(new DateTime(2020, 10, 08)),
() => result.Data.ReplenishmentPeriod.Should().Be(2)
);
}
public void Should_ReturnSuccessResponseWithItem_When_CurrentUserHasItemWithThisId()
{
//Arrange
var allItems = BuildItemsCollection();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
var filteredItem = BuildSecondItem();
var filteredItems = new List <Item>()
{
filteredItem
};
var filteredItemDto = BuildSecondItemDto();
var filteredItemDtos = new List <ItemDto>()
{
filteredItemDto
};
MapperMock
.Setup(c => c.ProjectTo(
It.Is <IQueryable <Item> >(x => ItemsTestHelper.HaveTheSameElements(filteredItems, x)),
null,
It.Is <Expression <Func <ItemDto, object> >[]>(x => x.Length == 0)))
.Returns(filteredItemDtos.AsQueryable());
//Act
var result = ItemsDataService.GetItem(2, "ab70793b-cec8-4eba-99f3-cbad0b1649d0");
//Assert
AssertHelper.AssertAll(
() => result.Data.Should().NotBeNull(),
() => result.IsSuccess.Should().BeTrue(),
() => result.ErrorMessage.Should().BeNull()
);
}
public void Should_ReturnErrorResponse_When_AnErrorOccursInProjectToMethod()
{
//Arrange
var allItems = BuildItemsCollection();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
var filteredItem = BuildSecondItem();
var filteredItems = new List <Item>()
{
filteredItem
};
var filteredItemDto = BuildSecondItemDto();
var filteredItemDtos = new List <ItemDto>()
{
filteredItemDto
};
MapperMock
.Setup(c => c.ProjectTo(
It.Is <IQueryable <Item> >(x => ItemsTestHelper.HaveTheSameElements(filteredItems, x)),
null,
It.Is <Expression <Func <ItemDto, object> >[]>(x => x.Length == 0)))
.Throws(new Exception());
//Act
var result = ItemsDataService.GetItem(2, "ab70793b-cec8-4eba-99f3-cbad0b1649d0");
//Assert
AssertHelper.AssertAll(
() => result.Data.Should().BeNull(),
() => result.IsSuccess.Should().BeFalse(),
() => result.ErrorMessage.Should().Be("An error occured while getting item")
);
}