tree 726b1c7b5d28464b1fecf285889a79332442627d
parent 55d83d449d1770aec470f1f4d47fac5b01fbdc0b
author Junxiao Shi <git@mail1.yoursunny.com> 1567191799 +0000
committer Junxiao Shi <git@mail1.yoursunny.com> 1567191799 +0000

rib: change FIB update mocking method

Previously, FIB update mocking occurs in Rib class. Test coverage
for FibUpdater class is limited to update computation only.
Now, mocking is moved to a subclass of FibUpdater. Test coverage
for FibUpdater class extends to include FIB update queuing.

Previously, mocked FIB update succeeds synchronously.
Now, mocked FIB update completes via io.post, which better
reflects reality that FIB commands are asynchronous.

refs #4731

Change-Id: I563edda5d398eb915f22fecd4b987f32c610d323