public void Should_ReturnASuccessResponse_When_InputParametersAreValid()
{
//Arrange
var itemDto = BuildFirstItemDtoWithoutId();
var item = BuildFirstItemWithoutId();
MapperMock.Setup(c => c.Map <ItemDto, Item>(itemDto))
.Returns(item);
var saveObject = new Item();
ItemsRepositoryMock.Setup(c => c.Add(It.IsAny <Item>()))
.Callback <Item>((obj) => saveObject = obj);
ItemsRepositoryMock.Setup(c => c.SaveChanges());
//Act
var result = ItemsDataService.AddItem("ab70793b-cec8-4eba-99f3-cbad0b1649d0", itemDto);
//Assert
AssertHelper.AssertAll(
() => result.IsSuccess.Should().BeTrue(),
() => result.ErrorMessage.Should().BeNull()
);
}
public void Should_ReturnAnErrorResponse_When_ItemRepositoryThrowsAnException()
{
//Arrange
var itemDto = BuildFirstItemDtoWithoutId();
var item = BuildFirstItemWithoutId();
MapperMock.Setup(c => c.Map <ItemDto, Item>(itemDto))
.Returns(item);
var saveObject = new Item();
ItemsRepositoryMock.Setup(c => c.Add(It.IsAny <Item>()))
.Callback <Item>((obj) => saveObject = obj);
ItemsRepositoryMock.Setup(c => c.SaveChanges())
.Throws(new Exception());
//Act
var result = ItemsDataService.AddItem("ab70793b-cec8-4eba-99f3-cbad0b1649d0", itemDto);
//Assert
AssertHelper.AssertAll(
() => result.IsSuccess.Should().BeFalse(),
() => result.ErrorMessage.Should().Be("An error occurred while creating item")
);
}
public void Should_AddItem_When_InputParametersAreValid()
{
//Arrange
var itemDto = BuildFirstItemDtoWithoutId();
var item = BuildFirstItemWithoutId();
MapperMock.Setup(c => c.Map <ItemDto, Item>(itemDto))
.Returns(item);
var saveObject = new Item();
ItemsRepositoryMock.Setup(c => c.Add(It.IsAny <Item>()))
.Callback <Item>((obj) => saveObject = obj);
ItemsRepositoryMock.Setup(c => c.SaveChanges());
//Act
var result = ItemsDataService.AddItem("ab70793b-cec8-4eba-99f3-cbad0b1649d0", itemDto);
//Assert
AssertHelper.AssertAll(
() => saveObject.Id.Should().Be(0),
() => saveObject.Name.Should().Be("Bread"),
() => saveObject.NextReplenishmentDate.Should().BeSameDateAs(new DateTime(2020, 10, 06)),
() => saveObject.ReplenishmentPeriod.Should().Be(1)
);
}
public void Should_CheckForUserIdEmptyBeforeOtherMethodCalls_When_UserIdIsEmptyString()
{
//Arrange
var itemDto = BuildFirstItemDtoWithoutId();
var item = BuildFirstItemWithoutId();
MapperMock.Setup(c => c.Map <ItemDto, Item>(itemDto))
.Returns(item);
var saveObject = new Item();
ItemsRepositoryMock.Setup(c => c.Add(It.IsAny <Item>()))
.Callback <Item>((obj) => saveObject = obj);
ItemsRepositoryMock.Setup(c => c.SaveChanges());
//Act
var result = ItemsDataService.AddItem(string.Empty, itemDto);
//Assert
AssertHelper.AssertAll(
() => MapperMock.Verify(x => x.Map <ItemDto, Item>(It.IsAny <ItemDto>()), Times.Never()),
() => ItemsRepositoryMock.Verify(x => x.Add(It.IsAny <Item>()), Times.Never()),
() => ItemsRepositoryMock.Verify(x => x.SaveChanges(), Times.Never())
);
}
public void Should_ReturnAnErrorResponse_When_UserIdIsEmptyString()
{
//Arrange
var itemDto = BuildFirstItemDtoWithoutId();
var item = BuildFirstItemWithoutId();
MapperMock.Setup(c => c.Map <ItemDto, Item>(itemDto))
.Returns(item);
var saveObject = new Item();
ItemsRepositoryMock.Setup(c => c.Add(It.IsAny <Item>()))
.Callback <Item>((obj) => saveObject = obj);
ItemsRepositoryMock.Setup(c => c.SaveChanges());
//Act
var result = ItemsDataService.AddItem(string.Empty, itemDto);
//Assert
AssertHelper.AssertAll(
() => result.IsSuccess.Should().BeFalse(),
() => result.ErrorMessage.Should().Be("An error occurred while creating item")
);
}
public void Should_AddItemOnce_When_InputParametersAreValid()
{
//Arrange
var itemDto = BuildFirstItemDtoWithoutId();
var item = BuildFirstItemWithoutId();
MapperMock.Setup(c => c.Map <ItemDto, Item>(itemDto))
.Returns(item);
var saveObject = new Item();
ItemsRepositoryMock.Setup(c => c.Add(It.IsAny <Item>()))
.Callback <Item>((obj) => saveObject = obj);
ItemsRepositoryMock.Setup(c => c.SaveChanges());
//Act
var result = ItemsDataService.AddItem("ab70793b-cec8-4eba-99f3-cbad0b1649d0", itemDto);
//Assert
ItemsRepositoryMock.Verify(c => c.Add(item), Times.Once());
}
public void Should_FirstAddItemThenCallSaveChanges_When_InputParametersAreValid()
{
//Arrange
var itemDto = BuildFirstItemDtoWithoutId();
var item = BuildFirstItemWithoutId();
MapperMock.Setup(c => c.Map <ItemDto, Item>(itemDto))
.Returns(item);
var sequence = new MockSequence();
ItemsRepositoryMock.InSequence(sequence).Setup(x => x.Add(item));
ItemsRepositoryMock.InSequence(sequence).Setup(x => x.SaveChanges());
//Act
var result = ItemsDataService.AddItem("ab70793b-cec8-4eba-99f3-cbad0b1649d0", itemDto);
//Assert
AssertHelper.AssertAll(
() => result.IsSuccess.Should().BeTrue(),
() => result.ErrorMessage.Should().BeNull()
);
}