daemon: FakeCommand usage requires reaper.Start() #247
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The usage of testutil.FakeCommand requires the test environment to start and stop the reaper in the case where the reaper option is enabled.
For example, in internals/daemon/daemon_test.go:
:
cmd := testutil.FakeCommand(c, "shutdown", "", true) :
However, in daemon_test.go, the code is currently relying on the service manager, provided by the overlord, to start the reaper. This is not a safe solution as not all test implementations may actually run the real overlord code, and even if they do, we have a potential race condition.
daemon.Init() -> overlord.New() -> servstate.NewManager() -> reaper.Start()
The following changes are introduced:
Add reaper.Start() and reaper.Stop() to the daemon test setup and teardown.
Add a reaper based test for testutil.FakeCommand().