/// <summary>
/// Gets the adapter specific settings from the xml.
/// </summary>
/// <param name="runSettingsXml"> The xml with the settings passed from the test platform. </param>
/// <param name="settingName"> The name of the adapter settings to fetch - Its either MSTest or MSTestV2 </param>
/// <returns> The settings if found. Null otherwise. </returns>
internal static MSTestSettings GetSettings(string runSettingsXml, string settingName)
{
if (string.IsNullOrWhiteSpace(runSettingsXml))
{
return(null);
}
using (var stringReader = new StringReader(runSettingsXml))
{
XmlReader reader = XmlReader.Create(stringReader, XmlRunSettingsUtilities.ReaderSettings);
// read to the fist child
XmlReaderUtilities.ReadToRootNode(reader);
reader.ReadToNextElement();
// Read till we reach nodeName element or reach EOF
while (!string.Equals(reader.Name, settingName, StringComparison.OrdinalIgnoreCase)
&&
!reader.EOF)
{
reader.SkipToNextElement();
}
if (!reader.EOF)
{
// read nodeName element.
return(ToSettings(reader.ReadSubtree()));
}
}
return(null);
}
private static T GetNodeValue <T>(string settingsXml, string nodeName, Func <XmlReader, T> nodeParser)
{
// use XmlReader to avoid loading of the plugins in client code (mainly from VS).
if (!string.IsNullOrWhiteSpace(settingsXml))
{
using (StringReader stringReader = new StringReader(settingsXml))
{
XmlReader reader = XmlReader.Create(stringReader, ReaderSettings);
// read to the fist child
XmlReaderUtilities.ReadToRootNode(reader);
reader.ReadToNextElement();
// Read till we reach nodeName element or reach EOF
while (!string.Equals(reader.Name, nodeName, StringComparison.OrdinalIgnoreCase)
&&
!reader.EOF)
{
reader.SkipToNextElement();
}
if (!reader.EOF)
{
// read nodeName element.
return(nodeParser(reader));
}
}
}
return(default(T));
}
/// <summary>
/// Reads test run settings from XmlReader
/// </summary>
/// <param name="reader"></param>
private void ReadRunSettings(XmlReader reader)
{
// If settings have already been loaded, throw.
if (this.isSettingsLoaded)
{
throw new InvalidOperationException(CommonResources.RunSettingsAlreadyLoaded);
}
this.isSettingsLoaded = true;
try
{
// Read to the root element.
XmlReaderUtilities.ReadToRootNode(reader);
// Read to the first section.
reader.ReadToNextElement();
// Lookup the settings provider for each of the elements.
var settingsExtensionManager = SettingsProviderExtensionManager.Create();
while (!reader.EOF)
{
this.LoadSection(reader, settingsExtensionManager);
reader.SkipToNextElement();
}
}
catch (SettingsException)
{
throw;
}
catch (Exception e)
{
throw new SettingsException(
string.Format(
CultureInfo.CurrentCulture,
CommonResources.RunSettingsParseError,
e.Message),
e);
}
}
