public void TestShouldRetry() {
DfaErrorHandler errorHandler = null;
// Should not retry if RetryCount == 0
errorHandler = new DfaErrorHandler(adRemoteService);
user.Config.RetryCount = 0;
Assert.IsFalse(errorHandler.ShouldRetry(new DfaCredentialsExpiredException(USER_TOKEN)));
// Should not retry if exception is not DfaCredentialsExpiredException.
errorHandler = new DfaErrorHandler(adRemoteService);
user.Config.RetryCount = 1;
Assert.IsFalse(errorHandler.ShouldRetry(new ArgumentNullException()));
// Should retry if exception is DfaCredentialsExpiredException and
// RetryCount > 0
errorHandler = new DfaErrorHandler(adRemoteService);
user.Config.RetryCount = 1;
Assert.IsTrue(errorHandler.ShouldRetry(new DfaCredentialsExpiredException(USER_TOKEN)));
}
/// <summary>
/// Gets a custom exception that wraps the SOAP exception thrown
/// by the server.
/// </summary>
/// <param name="exception">SOAPException that was thrown by the server.</param>
/// <returns>A custom exception object that wraps the SOAP exception.
/// </returns>
protected override Exception GetCustomException(SoapException exception)
{
string defaultNs = GetDefaultNamespace();
object apiException = Activator.CreateInstance(Type.GetType(
this.GetType().Namespace + ".ApiException"));
XmlNode faultNode = GetDetailsNode(exception);
ErrorCode errorCode = null;
if (faultNode != null)
{
errorCode = new ErrorCode();
foreach (XmlElement xNode in faultNode.SelectNodes("*"))
{
switch (xNode.Name)
{
case "errorCode":
errorCode.Code = int.Parse(xNode.InnerText);
break;
case "errorMessage":
errorCode.Description = xNode.InnerText;
break;
}
}
}
DfaApiException dfaApiException = new DfaApiException(errorCode, exception.Message,
exception);
if (DfaErrorHandler.IsTokenExpiredError(dfaApiException))
{
return(new DfaCredentialsExpiredException(this.Token));
}
else
{
return(dfaApiException);
}
}
public void TestPrepareForRetry() {
LoginUtil.Cache.AddToken(USER_NAME, USER_TOKEN);
(user.Config as DfaAppConfig).DfaAuthToken = PASSWORD;
adRemoteService.Token = USER_TOKEN;
user.Config.RetryCount = 1;
// PrepareForRetry should reset all relevant values when presented with
// correct values.
DfaErrorHandler errorHandler = new DfaErrorHandler(adRemoteService);
errorHandler.PrepareForRetry(new DfaCredentialsExpiredException(USER_TOKEN));
Assert.IsNull(LoginUtil.Cache.GetToken(USER_NAME));
Assert.IsNull(adRemoteService.Token);
Assert.IsNull((user.Config as DfaAppConfig).DfaAuthToken);
// Indirectly test retryCount. This should become 1 after
// PrepareForRetry() and another attempt to retry should fail.
Assert.IsFalse(errorHandler.ShouldRetry(new DfaCredentialsExpiredException(USER_TOKEN)));
// PrepareRetry should rethrow any exception that is not
// DfaCredentialsExpiredException
errorHandler = new DfaErrorHandler(adRemoteService);
Exception ex = new Exception();
try {
errorHandler.PrepareForRetry(ex);
Assert.Fail("Should not prepare for retry if exception is not " +
"DfaCredentialsExpiredException.");
} catch (Exception e) {
Assert.AreSame(ex, e);
}
}