public virtual void TestExceptionResultsInNormalError()
{
// In this test, we ensure that all handlers are called even if we throw an exception in one
RefreshHandler exceptionalHandler = Org.Mockito.Mockito.Mock <RefreshHandler>();
Org.Mockito.Mockito.Stub(exceptionalHandler.HandleRefresh(Org.Mockito.Mockito.AnyString
(), Org.Mockito.Mockito.Any <string[]>())).ToThrow(new RuntimeException("Exceptional Handler Throws Exception"
));
RefreshHandler otherExceptionalHandler = Org.Mockito.Mockito.Mock <RefreshHandler>
();
Org.Mockito.Mockito.Stub(otherExceptionalHandler.HandleRefresh(Org.Mockito.Mockito
.AnyString(), Org.Mockito.Mockito.Any <string[]>())).ToThrow(new RuntimeException
("More Exceptions"));
RefreshRegistry.DefaultRegistry().Register("exceptional", exceptionalHandler);
RefreshRegistry.DefaultRegistry().Register("exceptional", otherExceptionalHandler
);
DFSAdmin admin = new DFSAdmin(config);
string[] args = new string[] { "-refresh", "localhost:" + cluster.GetNameNodePort
(), "exceptional" };
int exitCode = admin.Run(args);
NUnit.Framework.Assert.AreEqual(-1, exitCode);
// Exceptions result in a -1
Org.Mockito.Mockito.Verify(exceptionalHandler).HandleRefresh("exceptional", new string
[] { });
Org.Mockito.Mockito.Verify(otherExceptionalHandler).HandleRefresh("exceptional",
new string[] { });
RefreshRegistry.DefaultRegistry().UnregisterAll("exceptional");
}
public virtual void SetUp()
{
// Register Handlers, first one just sends an ok response
firstHandler = Org.Mockito.Mockito.Mock <RefreshHandler>();
Org.Mockito.Mockito.Stub(firstHandler.HandleRefresh(Org.Mockito.Mockito.AnyString
(), Org.Mockito.Mockito.Any <string[]>())).ToReturn(RefreshResponse.SuccessResponse
());
RefreshRegistry.DefaultRegistry().Register("firstHandler", firstHandler);
// Second handler has conditional response for testing args
secondHandler = Org.Mockito.Mockito.Mock <RefreshHandler>();
Org.Mockito.Mockito.Stub(secondHandler.HandleRefresh("secondHandler", new string[]
{ "one", "two" })).ToReturn(new RefreshResponse(3, "three"));
Org.Mockito.Mockito.Stub(secondHandler.HandleRefresh("secondHandler", new string[]
{ "one" })).ToReturn(new RefreshResponse(2, "two"));
RefreshRegistry.DefaultRegistry().Register("secondHandler", secondHandler);
}
public virtual void TestMultipleReturnCodeMerging()
{
// Two handlers which return two non-zero values
RefreshHandler handlerOne = Org.Mockito.Mockito.Mock <RefreshHandler>();
Org.Mockito.Mockito.Stub(handlerOne.HandleRefresh(Org.Mockito.Mockito.AnyString()
, Org.Mockito.Mockito.Any <string[]>())).ToReturn(new RefreshResponse(23, "Twenty Three"
));
RefreshHandler handlerTwo = Org.Mockito.Mockito.Mock <RefreshHandler>();
Org.Mockito.Mockito.Stub(handlerTwo.HandleRefresh(Org.Mockito.Mockito.AnyString()
, Org.Mockito.Mockito.Any <string[]>())).ToReturn(new RefreshResponse(10, "Ten"));
// Then registered to the same ID
RefreshRegistry.DefaultRegistry().Register("shared", handlerOne);
RefreshRegistry.DefaultRegistry().Register("shared", handlerTwo);
// We refresh both
DFSAdmin admin = new DFSAdmin(config);
string[] args = new string[] { "-refresh", "localhost:" + cluster.GetNameNodePort
(), "shared" };
int exitCode = admin.Run(args);
NUnit.Framework.Assert.AreEqual(-1, exitCode);
// We get -1 because of our logic for melding non-zero return codes
// Verify we called both
Org.Mockito.Mockito.Verify(handlerOne).HandleRefresh("shared", new string[] { });
Org.Mockito.Mockito.Verify(handlerTwo).HandleRefresh("shared", new string[] { });
RefreshRegistry.DefaultRegistry().UnregisterAll("shared");
}