private bool SetConfiguration(XElement configurationXml)
{
// Check for null
if (configurationXml == null)
{
SetError("'configurationXML' of the MainViewModel was null.");
return(false);
}
// Try parse configuration xml
try
{
Configuration = new Settings.Configuration(configurationXml);
Configuration.PropertyChanged += ConfigurationPropertyChanged;
}
catch (Exception)
{
SetError(string.Format("Error parsing '{0}' input.", configurationXml));
return(false);
}
// Try create settings graph
try
{
SettingsObjects = SettingsObject.BuildGraph(Configuration);
}
catch (Exception)
{
SetError(string.Format("Error building settings graph from '{0}'.", configurationXml));
return(false);
}
_initConfigXml = configurationXml;
return(true);
}
public void BuildGraphWhereObjectsContainCircularReferencesExpectedCircularReferencesAreIgnored()
{
// Create object graph
MockSettingsObjectA settingsObjectA = new MockSettingsObjectA
{
SettingsC = new MockSettingsObjectC(),
};
settingsObjectA.SettingsC.SettingsA = settingsObjectA;
List <SettingsObject> settingsGraph = SettingsObject.BuildGraph(settingsObjectA);
Assert.AreEqual(settingsObjectA.SettingsC, settingsGraph[0].Object, "Properties at root level aren't being found.");
Assert.AreEqual(0, settingsGraph[0].Children.Count, "settingsObjectA.SettingsC should have no children because this would be a circular reference.");
Assert.AreEqual(1, settingsGraph.Count, "One root node was expected for settingsObjectA.SettingsC.");
}
public void BuildGraph()
{
// Create object graph
MockSettingsObjectA settingsObjectA = new MockSettingsObjectA
{
SettingsB = new MockSettingsObjectB(),
SettingsC = new MockSettingsObjectC
{
SettingsA = new MockSettingsObjectA()
},
};
List <SettingsObject> settingsGraph = SettingsObject.BuildGraph(settingsObjectA);
Assert.AreEqual(settingsObjectA.SettingsB, settingsGraph[0].Object, "Properties at root level aren't being found.");
Assert.AreEqual(settingsObjectA.SettingsC, settingsGraph[1].Object, "Properties at root level aren't being found.");
Assert.AreEqual(settingsObjectA.SettingsC.SettingsA, settingsGraph[1].Children[0].Object, "Properties aren't being found in recursive call.");
Assert.AreEqual(0, settingsGraph[0].Children.Count, "settingsObjectA.SettingsB shouldn't have any children since it's properties are null.");
Assert.AreEqual(1, settingsGraph[1].Children.Count, "settingsObjectA.SettingsC should only have one child.");
Assert.AreEqual(0, settingsGraph[1].Children[0].Children.Count, "settingsObjectA.SettingsC.SettingsA shouldn't have any children since it's properties are null.");
Assert.AreEqual(2, settingsGraph.Count, "Two root nodes were expected, one for settingsObjectA.SettingsB and one for settingsObjectA.SettingsC.");
}
