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From "Anand Mazumdar" <>
Subject Review Request 39372: Introduced a callback interface for testing the Scheduler Library
Date Fri, 16 Oct 2015 02:49:31 GMT

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Review request for mesos, Ben Mahler, Isabel Jimenez, and Vinod Kone.

Bugs: MESOS-3339

Repository: mesos


Instead of introducing a `DROP_HTTP_EVENT` filtering abstraction, made the existing interface
callback based that allows to use the already existing testing semantics. Also, the new interface
allows us to use a generic interface across scheduler library versions.

This gets rid of the following hack:
// Enqueues all received events into a libprocess queue.
ACTION_P(Enqueue, queue)
  std::queue<Event> events = arg0;
  while (!events.empty()) {
    // Note that we currently drop HEARTBEATs because most of these tests
    // are not designed to deal with heartbeats.
    // TODO(vinod): Implement DROP_HTTP_CALLS that can filter heartbeats.
    if (events.front().type() == Event::HEARTBEAT) {
      VLOG(1) << "Ignoring HEARTBEAT event";
    } else {

New way ( similar to what we do for the driver implementation )
EXPECT_CALL(callbacks, heartbeat())
    .WillRepeatedly(Return()); // Ignore heartbeats.


  src/tests/mesos.hpp 3e58b454c75a2ab9f8b4a29785fa823afefd0c8a 
  src/tests/scheduler_tests.cpp 7946cb48d62f4ed6d0fdbc771746518e31921f97 



make check ( I only modified a couple of existing tests to show the new interface usage. If
the interface looks good, would go ahead and modify all the tests )


Anand Mazumdar

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