package release

import "testing"

// Ruling R-PLANNED-RECOVERY (Astra round 2 finding 1): the pre-exec
// revalidation admits the planner's selection of a build in place of exactly
// the held target, and nothing wider.
func TestHeldExecStaleAdmitsOnlyThePlannersTransition(t *testing.T) {
	heldT := HeldWakeDecision{Target: "T", Held: true}
	st := &BuildState{LastExecuted: "T"}
	cases := []struct {
		name      string
		d         HeldWakeDecision
		st        *BuildState
		build     string
		inPlaceOf string
		admitted  bool
	}{
		{"the target itself", heldT, st, "T", "", true},
		{"the good build, no selection", heldT, st, "A", "", false},
		{"the good build, chosen in place of T", heldT, st, "A", "T", true},
		{"the good build, chosen in place of another build", heldT, st, "A", "B", false},
		{"last_executed restarts", HeldWakeDecision{Target: "R", Held: true}, &BuildState{LastExecuted: "A"}, "A", "", true},
		{"a pending request's T, the fallback in place of it", HeldWakeDecision{Target: "T", Held: true}, &BuildState{LastExecuted: "A0"}, "A", "T", true},
		{"not held", HeldWakeDecision{}, st, "A", "", true},
	}
	for _, c := range cases {
		err := HeldExecStale(c.d, c.st, c.build, c.inPlaceOf)
		if (err == nil) != c.admitted {
			t.Errorf("%s: HeldExecStale = %v; admitted want %v", c.name, err, c.admitted)
		}
	}
}