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_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_CheckForItemDtoNullBeforeAllOtherMethodCalls_When_ItemDtoIsNull()
{
//Arrange
var allItems = BuildItemsCollection();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
ItemsRepositoryMock.Setup(c => c.Update(It.IsAny <Item>()));
ItemsRepositoryMock.Setup(c => c.SaveChanges());
var updatedItemDto = new ItemDto()
{
Id = 1,
Name = "Bread updated",
NextReplenishmentDate = new DateTime(2020, 10, 10),
ReplenishmentPeriod = 4
};
//Act
var result = ItemsDataService.UpdateItem("ab70793b-cec8-4eba-99f3-cbad0b1649d0", null);
//Assert
AssertHelper.AssertAll(
() => ItemsRepositoryMock.Verify(x => x.All(), Times.Never()),
() => ItemsRepositoryMock.Verify(x => x.Update(It.IsAny <Item>()), Times.Never()),
() => ItemsRepositoryMock.Verify(x => x.SaveChanges(), Times.Never())
);
}
public void Should_ReturnErrorResponse_When_CurrentUserDoesNotHaveItemWithThisId()
{
//Arrange
var allItems = BuildItemsCollection();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
var deleteObject = new Item();
ItemsRepositoryMock.Setup(c => c.Delete(It.IsAny <Item>()))
.Callback <Item>((obj) => deleteObject = obj);
ItemsRepositoryMock.Setup(x => x.SaveChanges());
//Act
var response = ItemsDataService.DeleteItem(5, "ab70793b-cec8-4eba-99f3-cbad0b1649d0");
//Assert
AssertHelper.AssertAll(
() => response.IsSuccess.Should().BeFalse(),
() => response.ErrorMessage.Should().Be("Current user does not have item with id 5")
);
}
public void Should_CallDeletemethodWithCorrectItem_When_InputParametersAreValid()
{
//Arrange
var allItems = BuildItemsCollection();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
var deleteObject = new Item();
ItemsRepositoryMock.Setup(c => c.Delete(It.IsAny <Item>()))
.Callback <Item>((obj) => deleteObject = obj);
ItemsRepositoryMock.Setup(x => x.SaveChanges());
//Act
var response = ItemsDataService.DeleteItem(1, "ab70793b-cec8-4eba-99f3-cbad0b1649d0");
//Assert
AssertHelper.AssertAll(
() => deleteObject.Id.Should().Be(1),
() => deleteObject.Name.Should().Be("Bread"),
() => deleteObject.NextReplenishmentDate.Should().BeSameDateAs(new DateTime(2020, 10, 06)),
() => deleteObject.ReplenishmentPeriod.Should().Be(1),
() => deleteObject.UserId.Should().Be("ab70793b-cec8-4eba-99f3-cbad0b1649d0")
);
}
public void Should_NotUpdateAnyItemInTheDb_When_AnotherUserHasThisItem()
{
//Arrange
var allItems = BuildItemsCollection();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
ItemsRepositoryMock.Setup(c => c.Update(It.IsAny <Item>()));
ItemsRepositoryMock.Setup(c => c.SaveChanges());
var updatedItemDto = new ItemDto()
{
Id = 5,
Name = "Cake updated",
NextReplenishmentDate = new DateTime(2020, 10, 10),
ReplenishmentPeriod = 4
};
//Act
var result = ItemsDataService.UpdateItem("ab70793b-cec8-4eba-99f3-cbad0b1649d0", updatedItemDto);
//Assert
AssertHelper.AssertAll(
() => ItemsRepositoryMock.Verify(x => x.All(), Times.Once()),
() => ItemsRepositoryMock.Verify(x => x.Update(It.IsAny <Item>()), Times.Never()),
() => ItemsRepositoryMock.Verify(x => x.SaveChanges(), Times.Never())
);
}
public void Should_ReturnErrorResponse_When_UserIdIsNull()
{
//Arrange
var allItems = BuildItemsCollection();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
var deleteObject = new Item();
ItemsRepositoryMock.Setup(c => c.Delete(It.IsAny <Item>()))
.Callback <Item>((obj) => deleteObject = obj);
ItemsRepositoryMock.Setup(x => x.SaveChanges());
//Act
var response = ItemsDataService.DeleteItem(1, null);
//Assert
AssertHelper.AssertAll(
() => response.IsSuccess.Should().BeFalse(),
() => response.ErrorMessage.Should().Be("An error occurred while deleting item")
);
}
public void Should_NotDeleteAnyItem_When_UserIdIsNull()
{
//Arrange
var allItems = BuildItemsCollection();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
var deleteObject = new Item();
ItemsRepositoryMock.Setup(c => c.Delete(It.IsAny <Item>()))
.Callback <Item>((obj) => deleteObject = obj);
ItemsRepositoryMock.Setup(x => x.SaveChanges());
//Act
var response = ItemsDataService.DeleteItem(1, null);
//Assert
AssertHelper.AssertAll(
() => ItemsRepositoryMock.Verify(x => x.Delete(It.IsAny <Item>()), Times.Never()),
() => ItemsRepositoryMock.Verify(x => x.SaveChanges(), Times.Never())
);
}
public void Should_NotDeleteAnyItem_When_CurrentUserDoesNotHaveItemWithThisId()
{
//Arrange
var allItems = BuildItemsCollection();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
var deleteObject = new Item();
ItemsRepositoryMock.Setup(c => c.Delete(It.IsAny <Item>()))
.Callback <Item>((obj) => deleteObject = obj);
ItemsRepositoryMock.Setup(x => x.SaveChanges());
//Act
var response = ItemsDataService.DeleteItem(5, "ab70793b-cec8-4eba-99f3-cbad0b1649d0");
//Assert
AssertHelper.AssertAll(
() => ItemsRepositoryMock.Verify(x => x.Delete(It.IsAny <Item>()), Times.Never()),
() => ItemsRepositoryMock.Verify(x => x.SaveChanges(), Times.Never())
);
}
public void Should_ReturnErrorResponse_When_RepositorySaveChangesThrowsAnException()
{
//Arrange
var allItems = BuildItemsCollection();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
ItemsRepositoryMock.Setup(c => c.Update(It.IsAny <Item>()));
ItemsRepositoryMock.Setup(c => c.SaveChanges()).Throws(new Exception());
var updatedItemDto = new ItemDto()
{
Id = 1,
Name = "Bread updated",
NextReplenishmentDate = new DateTime(2020, 10, 10),
ReplenishmentPeriod = 4
};
//Act
var result = ItemsDataService.UpdateItem("ab70793b-cec8-4eba-99f3-cbad0b1649d0", updatedItemDto);
//Assert
AssertHelper.AssertAll(
() => result.IsSuccess.Should().BeFalse(),
() => result.ErrorMessage.Should().Be("An error occurred while updating item")
);
}
public void Should_CallRepositorySaveChangesAfterUpdateMethod_When_InputParametersAreValid()
{
//Arrange
var allItems = BuildItemsCollection();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
var updatedItemDto = new ItemDto()
{
Id = 1,
Name = "Bread updated",
NextReplenishmentDate = new DateTime(2020, 10, 10),
ReplenishmentPeriod = 4
};
var sequence = new MockSequence();
ItemsRepositoryMock
.InSequence(sequence)
.Setup(c => c.Update(It.Is <Item>(x =>
x.HasTheSameProperties("ab70793b-cec8-4eba-99f3-cbad0b1649d0", updatedItemDto))));
ItemsRepositoryMock.InSequence(sequence).Setup(x => x.SaveChanges());
//Act
var result = ItemsDataService.UpdateItem("ab70793b-cec8-4eba-99f3-cbad0b1649d0", updatedItemDto);
//Assert
AssertHelper.AssertAll(
() => result.IsSuccess.Should().BeTrue(),
() => result.ErrorMessage.Should().BeNull()
);
}
public void Should_ReturnErrorResponse_When_AnotherUserHasThisItem()
{
//Arrange
var allItems = BuildItemsCollection();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
ItemsRepositoryMock.Setup(c => c.Update(It.IsAny <Item>()));
ItemsRepositoryMock.Setup(c => c.SaveChanges());
var updatedItemDto = new ItemDto()
{
Id = 5,
Name = "Cake updated",
NextReplenishmentDate = new DateTime(2020, 10, 10),
ReplenishmentPeriod = 4
};
//Act
var result = ItemsDataService.UpdateItem("ab70793b-cec8-4eba-99f3-cbad0b1649d0", updatedItemDto);
//Assert
AssertHelper.AssertAll(
() => result.IsSuccess.Should().BeFalse(),
() => result.ErrorMessage.Should().Be("Current user does not have item with id 5")
);
}
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_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_CheckForUserIdEmptyBeforeAllOtherMethodCalls_When_UserIdIsEmpty()
{
//Arrange
var allItems = BuildItemsCollection();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
ItemsRepositoryMock.Setup(c => c.Update(It.IsAny <Item>()));
ItemsRepositoryMock.Setup(c => c.SaveChanges());
var updatedItemDto = new ItemDto()
{
Id = 1,
Name = "Bread updated",
NextReplenishmentDate = new DateTime(2020, 10, 10),
ReplenishmentPeriod = 4
};
//Act
var result = ItemsDataService.UpdateItem(string.Empty, updatedItemDto);
//Assert
AssertHelper.AssertAll(
() => ItemsRepositoryMock.Verify(x => x.All(), Times.Never()),
() => ItemsRepositoryMock.Verify(x => x.Update(It.IsAny <Item>()), Times.Never()),
() => ItemsRepositoryMock.Verify(x => x.SaveChanges(), Times.Never())
);
}
public void Should_UpdateItem_When_InputParametersAreValid()
{
//Arrange
var allItems = BuildItemsCollection();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
var saveObject = new Item();
ItemsRepositoryMock.Setup(c => c.Update(It.IsAny <Item>()))
.Callback <Item>((obj) => saveObject = obj);
ItemsRepositoryMock.Setup(c => c.SaveChanges());
var updatedItemDto = new ItemDto()
{
Id = 1,
Name = "Bread updated",
NextReplenishmentDate = new DateTime(2020, 10, 10),
ReplenishmentPeriod = 4
};
//Act
var result = ItemsDataService.UpdateItem("ab70793b-cec8-4eba-99f3-cbad0b1649d0", updatedItemDto);
//Assert
AssertHelper.AssertAll(
() => saveObject.Id.Should().Be(1),
() => saveObject.Name.Should().Be("Bread updated"),
() => saveObject.NextReplenishmentDate.Should().BeSameDateAs(new DateTime(2020, 10, 10)),
() => saveObject.ReplenishmentPeriod.Should().Be(4)
);
}
protected void InitializeMocksWithEmptyCollection()
{
var allItems = new List <Item>().AsQueryable();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
var filteredItems = new List <Item>();
var filteredItemNameDtos = new List <ItemNameDto>();
MapperMock
.Setup(c => c.ProjectTo(
It.Is <IQueryable <Item> >(x => ItemsTestHelper.HaveTheSameElements(filteredItems, x)),
null,
It.Is <Expression <Func <ItemNameDto, object> >[]>(x => x.Length == 0)))
.Returns(filteredItemNameDtos.AsQueryable());
}
public void Should_ReturnSuccessResponse_When_InputParametersAreValid()
{
//Arrange
var allItems = BuildItemsCollection();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
ItemsRepositoryMock.Setup(c => c.Delete(It.IsAny <Item>()));
ItemsRepositoryMock.Setup(c => c.SaveChanges());
//Act
var response = ItemsDataService.DeleteItem(1, "ab70793b-cec8-4eba-99f3-cbad0b1649d0");
//Assert
AssertHelper.AssertAll(
() => response.IsSuccess.Should().BeTrue(),
() => response.ErrorMessage.Should().BeNull()
);
}
public void Should_ReturnErrorResponse_When_ItemDtoIsNull()
{
//Arrange
var allItems = BuildItemsCollection();
ItemsRepositoryMock.Setup(x => x.All()).Returns(allItems);
ItemsRepositoryMock.Setup(c => c.Update(It.IsAny <Item>()));
ItemsRepositoryMock.Setup(c => c.SaveChanges());
//Act
var result = ItemsDataService.UpdateItem("ab70793b-cec8-4eba-99f3-cbad0b1649d0", null);
//Assert
AssertHelper.AssertAll(
() => result.IsSuccess.Should().BeFalse(),
() => result.ErrorMessage.Should().Be("An error occurred while updating item")
);
}
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_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()
);
}
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());
}