/// <summary>
/// Creates a factory method for the given type.
/// </summary>
/// <param name="setup">The setup which is used for the type.</param>
/// <returns>A function with which the given type can be instantiated.</returns>
internal static Func <T> CreateFactoryMethod(FillerSetup setup)
{
Type targetType = typeof(T);
if (!Setup.TypeToRandomFunc.ContainsKey(targetType))
{
if (targetType.IsClass())
{
var fillerType = typeof(Filler <>).MakeGenericType(typeof(T));
var objectFiller = Activator.CreateInstance(fillerType);
if (setup != null)
{
var setupMethod = objectFiller.GetType().GetMethods()
.Where(x => x.Name == "Setup" && x.GetParameters().Length == 1)
.Single(x => x.GetParameters().First().ParameterType == typeof(FillerSetup));
setupMethod.Invoke(objectFiller, new[] { setup });
}
var createMethod = objectFiller.GetType().GetMethods().Single(x => !x.GetParameters().Any() && x.Name == "Create");
return(() => (T)createMethod.Invoke(objectFiller, null));
}
return(() => default(T));
}
return(() => (T)Setup.TypeToRandomFunc[typeof(T)]());
}
/// <summary>
/// Creates a setup based uppon another setup
/// </summary>
/// <typeparam name="TTarget">The type which is configured.</typeparam>
/// <param name="baseSetup">The setup which is used as basis of the new one.</param>
/// <returns>Setup you can use for Filler and Randomizer.</returns>
public static FluentFillerApi <TTarget> Create <TTarget>(FillerSetup baseSetup) where TTarget : class
{
var setupManager = new SetupManager();
setupManager.FillerSetup = baseSetup ?? new FillerSetup();
return(new FluentFillerApi <TTarget>(setupManager));
}
/// <summary>
/// With this method you can use a previously defined setup for specific types.
/// </summary>
/// <param name="setup">The setup for the type.</param>
/// <returns>Main FluentFiller API</returns>
public FluentFillerApi <TTargetObject> Use(FillerSetup setup)
{
var factoryMethod = Randomizer <TTargetType> .CreateFactoryMethod(setup);
this.setupManager.GetFor <TTargetObject>().TypeToRandomFunc[typeof(TTargetType)] = () => factoryMethod();
return(this.callback);
}
/// <summary>
/// Call this to start the setup for the <see cref="Filler{T}"/> and use a setup which you created
/// before with the <see cref="IFluentApi{TTargetObject,TTargetType}"/>
/// </summary>
/// <param name="fillerSetupToUse">
/// FillerSetup to use
/// </param>
/// <returns>
/// Fluent API Setup
/// </returns>
public FluentFillerApi <T> Setup(FillerSetup fillerSetupToUse)
{
if (fillerSetupToUse != null)
{
this.setupManager.FillerSetup = fillerSetupToUse;
}
return(new FluentFillerApi <T>(this.setupManager));
}
/// <summary>
/// Call this to start the setup for the <see cref="Filler{T}"/> and use a setup which you created
/// before with the <see cref="IFluentApi{TTargetObject,TTargetType}"/>
/// </summary>
/// <param name="fillerSetupToUse">
/// FillerSetup to use
/// </param>
/// <param name="explicitSetup">True if just properties shall get filled which configured in filler setup.</param>
/// <returns>
/// Fluent API Setup
/// </returns>
public FluentFillerApi <T> Setup(FillerSetup fillerSetupToUse, bool explicitSetup)
{
if (fillerSetupToUse != null)
{
this.setupManager.FillerSetup = fillerSetupToUse;
}
this.justConfiguredProperties = explicitSetup;
return(new FluentFillerApi <T>(this.setupManager));
}
/// <summary>
/// Defines which <see cref="FillerSetup"/> is used to generate a value for the given <see cref="TTargetType"/>
/// </summary>
/// <param name="setup">The setup which is used for configuration.</param>
public FluentFillerApi <TTargetObject> Use(FillerSetup setup)
{
foreach (PropertyInfo propertyInfo in this.affectedProperties)
{
var factoryMethod = Randomizer <TTargetType> .CreateFactoryMethod(setup);
this.setupManager.GetFor <TTargetObject>().PropertyToRandomFunc[propertyInfo] = () => factoryMethod();
}
return(this.callback);
}
public void GetFillerSetup()
{
Filler<Person> filler = new Filler<Person>();
_fillerSetup = filler.Setup()
.OnType<IAddress>().CreateInstanceOf<Address>()
.OnProperty(x => x.Age).Use(new IntRange(18, 35))
.OnProperty(x => x.FirstName).Use(new RealNames(NameStyle.FirstName))
.OnProperty(x => x.LastName).Use(new RealNames(NameStyle.LastName))
.SetupFor<Address>()
.OnProperty(x => x.HouseNumber).Use(new IntRange(1, 100))
.Result;
}
/// <summary>
/// Creates a value base on a filler setup
/// </summary>
/// <param name="setup">Setup for the objectfiller</param>
/// <returns>Created value</returns>
public static T Create(FillerSetup setup)
{
var creationMethod = CreateFactoryMethod(setup);
T result;
try
{
result = creationMethod();
}
catch (Exception ex)
{
throw new InvalidOperationException(
"The type " + typeof(T).FullName + " needs additional information to get created. "
+ "Please use the Filler class and call \"Setup\" to create a setup for that type. See Innerexception for more details.",
ex);
}
return(result);
}
/// <summary>
/// Creates a set of random items of the given type and will use a <see cref="FillerSetup"/> for that.
/// </summary>
/// <param name="setup">Setup to use.</param>
/// <param name="amount">Amount of items created.</param>
/// <returns>Set of random items of the given type.</returns>
public static IEnumerable <T> Create(FillerSetup setup, int amount)
{
return(Create(amount, () => Create(setup)));
}
/// <summary>
/// Call this to start the setup for the <see cref="Filler{T}"/> and use a setup which you created
/// before with the <see cref="IFluentApi{TTargetObject,TTargetType}"/>
/// </summary>
/// <param name="fillerSetupToUse">
/// FillerSetup to use
/// </param>
/// <returns>
/// Fluent API Setup
/// </returns>
public FluentFillerApi <T> Setup(FillerSetup fillerSetupToUse)
{
return(this.Setup(fillerSetupToUse, false));
}
/// <summary>
/// Initializes a new instance of the <see cref="SetupManager"/> class.
/// </summary>
internal SetupManager()
{
FillerSetup = new FillerSetup();
}