public static StaticBusinessObjectPropertyPath Parse(string propertyPathIdentifier, IBusinessObjectClass root)
{
ArgumentUtility.CheckNotNullOrEmpty("propertyPathIdentifier", propertyPathIdentifier);
ArgumentUtility.CheckNotNull("root", root);
var properties = new List <IBusinessObjectProperty>();
var currentClass = root;
var propertyEnumerator = new StaticBusinessObjectPropertyPathPropertyEnumerator(propertyPathIdentifier);
while (currentClass != null && propertyEnumerator.MoveNext(currentClass))
{
var currentProperty = propertyEnumerator.Current;
Assertion.IsNotNull(currentProperty, "StaticPropertyPathPropertyEnumerator never returns null on successful enumeration.");
properties.Add(currentProperty);
var currentReferenceProperty = currentProperty as IBusinessObjectReferenceProperty;
if (currentReferenceProperty != null)
{
currentClass = currentReferenceProperty.ReferenceClass;
}
else
{
currentClass = null;
}
}
return(new StaticBusinessObjectPropertyPath(properties.ToArray(), propertyPathIdentifier));
}
public void MoveNext_WithMissingProperty_ThrowsParseException()
{
var firstClassStub = CreateClassStub();
var secondClassStub = CreateClassStub();
secondClassStub.Stub(_ => _.Identifier).Return("SecondClass");
var firstPropertyStub = CreateReferencePropertyStub(firstClassStub, "FirstProperty", secondClassStub);
var enumerator = new StaticBusinessObjectPropertyPathPropertyEnumerator("FirstProperty:Missing:ThirdProperty");
Assert.That(enumerator.MoveNext(firstClassStub), Is.True);
Assert.That(enumerator.Current, Is.SameAs(firstPropertyStub));
Assert.That(
() => enumerator.MoveNext(secondClassStub),
Throws.TypeOf <ParseException>().With.Message.EqualTo("BusinessObjectClass 'SecondClass' does not contain a property named 'Missing'."));
}
public void MoveNext_WithNonLastPropertyNotReferenceProperty_ThrowsParseException()
{
var firstClassStub = CreateClassStub();
var secondClassStub = CreateClassStub();
secondClassStub.Stub(_ => _.Identifier).Return("SecondClass");
var firstPropertyStub = CreateReferencePropertyStub(firstClassStub, "FirstProperty", secondClassStub);
var secondPropertyStub = CreatePropertyStub(secondClassStub, "SecondProperty");
var enumerator = new StaticBusinessObjectPropertyPathPropertyEnumerator("FirstProperty:SecondProperty:ThirdProperty");
Assert.That(enumerator.MoveNext(firstClassStub), Is.True);
Assert.That(enumerator.Current, Is.SameAs(firstPropertyStub));
Assert.That(
() => enumerator.MoveNext(secondClassStub),
Throws.TypeOf <ParseException>()
.With.Message.EqualTo(
string.Format(
"Each property in a property path except the last one must be a reference property. "
+ "Property 'SecondProperty' is of type '{0}'.",
secondPropertyStub.GetType().Name)));
}
public void MoveNext_WithMultipleProperties()
{
var firstClassStub = CreateClassStub();
var secondClassStub = CreateClassStub();
var thirdClassStub = CreateClassStub();
var firstPropertyStub = CreateReferencePropertyStub(firstClassStub, "FirstProperty", secondClassStub);
var secondPropertyStub = CreateReferencePropertyStub(secondClassStub, "SecondProperty", thirdClassStub);
var thirdPropertyStub = CreatePropertyStub(thirdClassStub, "ThirdProperty");
var enumerator = new StaticBusinessObjectPropertyPathPropertyEnumerator("FirstProperty:SecondProperty:ThirdProperty");
Assert.That(enumerator.MoveNext(firstClassStub), Is.True);
Assert.That(enumerator.Current, Is.SameAs(firstPropertyStub));
Assert.That(enumerator.MoveNext(secondClassStub), Is.True);
Assert.That(enumerator.Current, Is.SameAs(secondPropertyStub));
Assert.That(enumerator.MoveNext(thirdClassStub), Is.True);
Assert.That(enumerator.Current, Is.SameAs(thirdPropertyStub));
Assert.That(enumerator.MoveNext(MockRepository.GenerateStub <IBusinessObjectClass>()), Is.False);
Assert.That(() => enumerator.Current, Throws.InvalidOperationException.With.Message.EqualTo("Enumeration already finished."));
}
