Function TestDialFailure

coderd/tailnet_test.go:370–399

(t *testing.T)

}

func TestDialFailure(t *testing.T) {
	t.Parallel()

	// Setup.
	ctx := testutil.Context(t, testutil.WaitShort)
	logger := testutil.Logger(t)

	// Given: a tailnet coordinator.
	coord := tailnet.NewCoordinator(logger)
	t.Cleanup(func() {
		_ = coord.Close()
	})
	coordPtr := atomic.Pointer[tailnet.Coordinator]{}
	coordPtr.Store(&coord)

	// Given: a fake DB healthchecker which will always fail.
	fch := &failingHealthcheck{}

	// When: dialing the in-memory coordinator.
	dialer := &coderd.InmemTailnetDialer{
		CoordPtr:            &coordPtr,
		Logger:              logger,
		ClientID:            uuid.UUID{5},
		DatabaseHealthCheck: fch,
	}
	_, err := dialer.Dial(ctx, nil)

	// Then: the error returned reflects the database has failed its healthcheck.
	require.ErrorIs(t, err, codersdk.ErrDatabaseNotReachable)
}

type failingHealthcheck struct{}