public void ThrowArgumentNullException_WhenPassedStatusIsInvalid()
{
// Arrange
var contextMock = new Mock <ITravelGuideContext>();
var factoryMock = new Mock <IStoreItemFactory>();
var id = Guid.NewGuid();
var service = new StoreServiceMock(contextMock.Object, factoryMock.Object);
// Act & Assert
Assert.Throws <ArgumentException>(() => service.ChangeStatus(id, null));
}
public void ThrowInvalidOperationException_WhenNoSuchItemIsFound()
{
// Arrange
var contextMock = new Mock <ITravelGuideContext>();
var factoryMock = new Mock <IStoreItemFactory>();
var id = Guid.NewGuid();
var item = new StoreItem();
item.InStock = true;
var initialValue = item.InStock;
contextMock.Setup(x => x.StoreItems.Find(It.IsAny <Guid>())).Returns((StoreItem)null);
var service = new StoreServiceMock(contextMock.Object, factoryMock.Object);
// Act
Assert.Throws <InvalidOperationException>(() => service.ChangeStatus(id, "false"));
}
public void AlterPassedInstance_WhenPassedStatusIsValid()
{
// Arrange
var contextMock = new Mock <ITravelGuideContext>();
var factoryMock = new Mock <IStoreItemFactory>();
var id = Guid.NewGuid();
var item = new StoreItem();
item.InStock = true;
var initialValue = item.InStock;
contextMock.Setup(x => x.StoreItems.Find(It.IsAny <Guid>())).Returns(item);
var service = new StoreServiceMock(contextMock.Object, factoryMock.Object);
// Act
service.ChangeStatus(id, "false");
// Assert
Assert.IsTrue(initialValue);
Assert.IsFalse(item.InStock);
}