Function TestExpiredPrebuilds

coderd/prebuilds/preset_snapshot_test.go:593–833

A prebuild is considered Expired when it has exceeded their time-to-live (TTL) specified in the preset's cache invalidation invalidate_after_secs parameter.

(t *testing.T)

// A prebuild is considered Expired when it has exceeded their time-to-live (TTL)
// specified in the preset's cache invalidation invalidate_after_secs parameter.
func TestExpiredPrebuilds(t *testing.T) {
	t.Parallel()
	current := opts[optionSet3]
	clock := quartz.NewMock(t)

	cases := []struct {
		name    string
		running int32
		desired int32
		expired int32

		invalidated int32

		checkFn func(runningPrebuilds []database.GetRunningPrebuiltWorkspacesRow, state prebuilds.ReconciliationState, actions []*prebuilds.ReconciliationActions)
	}{
		// With 2 running prebuilds, none of which are expired, and the desired count is met,
		// no deletions or creations should occur.
		{
			name:    "no expired prebuilds - no actions taken",
			running: 2,
			desired: 2,
			expired: 0,
			checkFn: func(runningPrebuilds []database.GetRunningPrebuiltWorkspacesRow, state prebuilds.ReconciliationState, actions []*prebuilds.ReconciliationActions) {
				validateState(t, prebuilds.ReconciliationState{Actual: 2, Desired: 2, Expired: 0}, state)
				validateActions(t, nil, actions)
			},
		},
		// With 2 running prebuilds, 1 of which is expired, the expired prebuild should be deleted,
		// and one new prebuild should be created to maintain the desired count.
		{
			name:    "one expired prebuild – deleted and replaced",
			running: 2,
			desired: 2,
			expired: 1,
			checkFn: func(runningPrebuilds []database.GetRunningPrebuiltWorkspacesRow, state prebuilds.ReconciliationState, actions []*prebuilds.ReconciliationActions) {
				expectedState := prebuilds.ReconciliationState{Actual: 2, Desired: 2, Expired: 1}
				expectedActions := []*prebuilds.ReconciliationActions{
					{
						ActionType: prebuilds.ActionTypeDelete,
						DeleteIDs:  []uuid.UUID{runningPrebuilds[0].ID},
					},
					{
						ActionType: prebuilds.ActionTypeCreate,
						Create:     1,
					},
				}

				validateState(t, expectedState, state)
				validateActions(t, expectedActions, actions)
			},
		},
		// With 2 running prebuilds, both expired, both should be deleted,
		// and 2 new prebuilds created to match the desired count.
		{
			name:    "all prebuilds expired – all deleted and recreated",
			running: 2,
			desired: 2,
			expired: 2,