feat: establish Orbit models, migrations and development baseline

pulse/model/state_test.go

@@ -0,0 +1,29 @@
+package model
+
+import "testing"
+
+func TestRecoveryDoesNotReopenTerminalOrUnknownWork(t *testing.T) {
+	for _, state := range []TaskState{TaskSucceeded, TaskFailed, TaskCancelled, TaskNeedsReview, TaskState("new-future-state")} {
+		if state.CanTransitionTo(TaskWaiting) || state.CanTransitionTo(TaskRunning) {
+			t.Fatalf("unsafe automatic restart from %s", state)
+		}
+	}
+	for _, safety := range []RecoverySafety{"", RecoveryReconcileOnly, "future"} {
+		if safety.CanRecoverAutomatically() {
+			t.Fatalf("unsafe default: %s", safety)
+		}
+	}
+	if !TaskRunning.CanTransitionTo(TaskNeedsReview) {
+		t.Fatal("unknown effects cannot be preserved")
+	}
+}
+func TestRetryPolicyRejectsUnboundedOrOverflowingParameters(t *testing.T) {
+	for _, p := range []RetryPolicy{{}, {MaxAttempts: 2, AttemptTimeoutMS: 1}, {MaxAttempts: 1, AttemptTimeoutMS: ^uint64(0)}, {MaxAttempts: 2, AttemptTimeoutMS: 1, InitialDelayMS: 100, MaxDelayMS: 1}} {
+		if p.Validate() == nil {
+			t.Fatalf("accepted unsafe policy: %+v", p)
+		}
+	}
+	if err := (RetryPolicy{MaxAttempts: 3, AttemptTimeoutMS: 1000, InitialDelayMS: 100, MaxDelayMS: 5000}).Validate(); err != nil {
+		t.Fatal(err)
+	}
+}