feat: backend executor implement

2026-08-16 17:12:06 +08:00
parent 390e0565d3
commit 7755da72e7
31 changed files with 2762 additions and 184 deletions
@@ -72,6 +72,56 @@ func TestCoordinatorLeavesIntentPendingWhenInspectionIsUnknown(t *testing.T) {
 	}
 }

+func TestCoordinatorRetriesFailedStepOnlyAfterManualResumeInspection(t *testing.T) {
+	t.Parallel()
+	ctx := context.Background()
+	store := openTestStore(t)
+	record := createTestTransaction(t, store, "retry-failed")
+	intent := StepIntent{Key: "restore-gateway", Name: "restore gateway", Intent: json.RawMessage(`{}`)}
+	operation := &fakeOperation{applyErr: errors.New("gateway executable unavailable"), result: json.RawMessage(`{"restored":true}`)}
+	coordinator := newTestCoordinator(t, store)
+
+	failed, err := coordinator.ExecuteStep(ctx, record.ID, intent, operation)
+	if err == nil || failed.Status != StepFailed {
+		t.Fatalf("unexpected initial failed step: step=%+v err=%v", failed, err)
+	}
+	if operation.applyCalls.Load() != 1 || operation.inspectCalls.Load() != 1 {
+		t.Fatalf("initial call retried unexpectedly: apply=%d inspect=%d", operation.applyCalls.Load(), operation.inspectCalls.Load())
+	}
+
+	operation.applyErr = nil
+	recovered, err := coordinator.ExecuteStep(ctx, record.ID, intent, operation)
+	if err != nil || recovered.Status != StepSucceeded {
+		t.Fatalf("recover failed step: step=%+v err=%v", recovered, err)
+	}
+	if operation.applyCalls.Load() != 2 || operation.inspectCalls.Load() != 3 {
+		t.Fatalf("unexpected manual recovery calls: apply=%d inspect=%d", operation.applyCalls.Load(), operation.inspectCalls.Load())
+	}
+}
+
+func TestCoordinatorCompletesFailedStepAlreadyAppliedBeforeManualResume(t *testing.T) {
+	t.Parallel()
+	ctx := context.Background()
+	store := openTestStore(t)
+	record := createTestTransaction(t, store, "recover-failed-applied")
+	intent := StepIntent{Key: "restore-gateway", Name: "restore gateway", Intent: json.RawMessage(`{}`)}
+	operation := &fakeOperation{applyErr: errors.New("gateway reload result unavailable"), result: json.RawMessage(`{"restored":true}`)}
+	coordinator := newTestCoordinator(t, store)
+
+	if _, err := coordinator.ExecuteStep(ctx, record.ID, intent, operation); err == nil {
+		t.Fatal("expected initial external step failure")
+	}
+	operation.applyErr = nil
+	operation.applied = true
+	recovered, err := coordinator.ExecuteStep(ctx, record.ID, intent, operation)
+	if err != nil || recovered.Status != StepSucceeded {
+		t.Fatalf("complete externally applied failed step: step=%+v err=%v", recovered, err)
+	}
+	if operation.applyCalls.Load() != 1 || operation.inspectCalls.Load() != 2 {
+		t.Fatalf("externally applied step was repeated: apply=%d inspect=%d", operation.applyCalls.Load(), operation.inspectCalls.Load())
+	}
+}
+
 func TestCoordinatorExclusiveExecutionHonorsContext(t *testing.T) {
 	t.Parallel()
 	store := openTestStore(t)