ConfigStatus TryParseQueryString(string queryString, out IEnumerable <QueryParam> outParams)
{
if (string.IsNullOrEmpty(queryString))
{
outParams = Enumerable.Empty <QueryParam>();
return(ConfigStatus.OkStatus());
}
try
{
NameValueCollection nameValueCollection;
try
{
// May throw an exception when maximum number of keys is exceeded.
nameValueCollection = HttpUtility.ParseQueryString(queryString);
}
catch (Exception e)
{
throw new ApplicationException(e.Message);
}
var queryParams = new List <QueryParam>();
foreach (string key in nameValueCollection.AllKeys)
{
if (string.IsNullOrWhiteSpace(key))
{
throw new ApplicationException("Parameter 'Key' can not be empty.");
}
queryParams.Add(
new QueryParam()
{
Name = key, Value = nameValueCollection.Get(key)
});
}
LogQueryString(queryString, queryParams);
outParams = queryParams;
return(ConfigStatus.OkStatus());
}
catch (ApplicationException e)
{
Trace.TraceWarning($"Error happened while parsing query string. {e.Message}");
outParams = null;
return(ConfigStatus.WarningStatus(ErrorStrings.QueryParametersWrongFormat));
}
}
public void CreateWarningStatusTest()
{
string message = "warning Message";
ConfigStatus status = ConfigStatus.WarningStatus(message);
Assert.That(status.IsOk, Is.EqualTo(false));
Assert.That(status.IsWarningLevel, Is.EqualTo(true));
Assert.That(status.IsErrorLevel, Is.EqualTo(false));
Assert.That(status.AllMessages, Is.EqualTo(new [] { message }));
Assert.That(status.ErrorMessages, Is.Empty);
Assert.That(status.WarningMessages, Is.EqualTo(new[] { message }));
Assert.That(status.WarningMessage, Is.EqualTo(message));
Assert.That(status.SeverityLevel, Is.EqualTo(ConfigStatus.ErrorLevel.Warning));
Assert.That(status.MessagesByErrorLevel(ConfigStatus.ErrorLevel.Ok), Is.Null);
Assert.That(status.MessagesByErrorLevel(ConfigStatus.ErrorLevel.Warning),
Is.EqualTo(new[] { message }));
Assert.That(status.MessagesByErrorLevel(ConfigStatus.ErrorLevel.Error), Is.Empty);
}
ConfigStatus StatusBySeverityLevel(ConfigStatus.ErrorLevel level, string message)
{
switch (level)
{
case ConfigStatus.ErrorLevel.Ok:
return(ConfigStatus.OkStatus());
case ConfigStatus.ErrorLevel.Warning:
return(ConfigStatus.WarningStatus(message));
case ConfigStatus.ErrorLevel.Error:
return(ConfigStatus.ErrorStatus(message));
default:
throw new ArgumentOutOfRangeException(nameof(level), level,
"Unsupported error level value received.");
}
}