/// <summary>
/// Registers that a writable property or field should be assigned a
/// specific value as part of specimen post-processing.
/// </summary>
/// <typeparam name="TProperty">
/// The type of the property of field.
/// </typeparam>
/// <param name="propertyPicker">
/// An expression that identifies the property or field that will have
/// <paramref name="value"/> assigned.
/// </param>
/// <param name="value">
/// The value to assign to the property or field identified by
/// <paramref name="propertyPicker"/>.
/// </param>
/// <returns>
/// An <see cref="IPostprocessComposer{T}"/> which can be used to
/// further customize the post-processing of created specimens.
/// </returns>
public IPostprocessComposer <T> With <TProperty>(
Expression <Func <T, TProperty> > propertyPicker, TProperty value)
{
ExpressionReflector.VerifyIsNonNestedWritableMemberExpression(propertyPicker);
var graphWithAutoPropertiesNode = this.GetGraphWithAutoPropertiesNode();
var graphWithoutSeedIgnoringRelay = WithoutSeedIgnoringRelay(graphWithAutoPropertiesNode);
var container = FindContainer(graphWithoutSeedIgnoringRelay);
var graphWithProperty = graphWithoutSeedIgnoringRelay.ReplaceNodes(
with: n => n.Compose(
new ISpecimenBuilder[]
{
new Postprocessor(
CompositeSpecimenBuilder.ComposeIfMultiple(n),
new BindingCommand <T, TProperty>(propertyPicker, value),
CreateSpecification()),
new SeedIgnoringRelay()
}),
when: container.Equals);
var member = propertyPicker.GetWritableMember().Member;
return((NodeComposer <T>)ExcludeMemberFromAutoProperties(member, graphWithProperty));
}
/// <summary>
/// Registers that a writable property should not be assigned an
/// automatic value as part of specimen post-processing.
/// </summary>
/// <typeparam name="TProperty">
/// The type of the property or field to ignore.
/// </typeparam>
/// <param name="propertyPicker">
/// An expression that identifies the property or field to be ignored.
/// </param>
/// <returns>
/// An <see cref="IPostprocessComposer{T}"/> which can be used to
/// further customize the post-processing of created specimens.
/// </returns>
public IPostprocessComposer <T> Without <TProperty>(
Expression <Func <T, TProperty> > propertyPicker)
{
ExpressionReflector.VerifyIsNonNestedWritableMemberExpression(propertyPicker);
var member = propertyPicker.GetWritableMember().Member;
var graphWithAutoPropertiesNode = this.GetGraphWithAutoPropertiesNode();
return((NodeComposer <T>)ExcludeMemberFromAutoProperties(member, graphWithAutoPropertiesNode));
}
/// <summary>
/// Registers that a writable property or field should be assigned an
/// anonymous value as part of specimen post-processing.
/// </summary>
/// <typeparam name="TProperty">
/// The type of the property of field.
/// </typeparam>
/// <param name="propertyPicker">
/// An expression that identifies the property or field that will
/// should have a value
/// assigned.
/// </param>
/// <returns>
/// An <see cref="IPostprocessComposer{T}"/> which can be used to
/// further customize the post-processing of created specimens.
/// </returns>
public IPostprocessComposer <T> With <TProperty>(
Expression <Func <T, TProperty> > propertyPicker)
{
ExpressionReflector.VerifyIsNonNestedWritableMemberExpression(propertyPicker);
var targetToDecorate = this.FindFirstNode(n => n is NoSpecimenOutputGuard);
return((NodeComposer <T>) this.ReplaceNodes(
with: n => new Postprocessor(
n,
new BindingCommand <T, TProperty>(propertyPicker),
CreateSpecification()),
when: targetToDecorate.Equals));
}