fix(worker): 固定等待任务的准入候选

双 Worker 会按动态运行态排序重复规划同一批 waiting 任务，导致候选绑定来回迁移并把同步事务消耗在 rebind 上。\n\n调度 waiting 任务时优先使用首次登记的候选；仅当候选不再可用或已不在合法候选集时才按现有顺序迁移。执行阶段的 admitted 候选固定逻辑保持不变。\n\n验证：新增 waiting 候选固定回归测试；Go 全量测试、go vet、gofmt 通过。
2026-07-31 08:58:57 +08:00
parent 1e12522f0c
commit b0dac9f8ec
2 changed files with 53 additions and 24 deletions
@@ -87,31 +87,41 @@ func TestPinCandidatesToTaskAdmissionPreservesAdmittedCandidate(t *testing.T) {
 	}
 }

-func TestPinCandidatesToTaskAdmissionIgnoresWaitingOrMissingCandidate(t *testing.T) {
+func TestPinCandidatesToTaskAdmissionPreservesWaitingCandidate(t *testing.T) {
 	input := []store.RuntimeModelCandidate{
 		{PlatformID: "platform-a", PlatformModelID: "model-a"},
 		{PlatformID: "platform-b", PlatformModelID: "model-b"},
 	}
-	for name, admission := range map[string]*store.TaskAdmission{
-		"waiting": {
-			Status:          "waiting",
-			PlatformID:      "platform-b",
-			PlatformModelID: "model-b",
-		},
-		"missing": {
-			Status:          "admitted",
-			PlatformID:      "platform-c",
-			PlatformModelID: "model-c",
-		},
-	} {
-		t.Run(name, func(t *testing.T) {
-			got, pinned := pinCandidatesToTaskAdmission(input, admission)
-			if pinned {
-				t.Fatalf("unexpected candidate pin for %s: %+v", name, got)
-			}
-			if got[0].PlatformModelID != "model-a" {
-				t.Fatalf("candidate order changed for %s: %+v", name, got)
-			}
-		})
+	admission := &store.TaskAdmission{
+		Status:          "waiting",
+		PlatformID:      "platform-b",
+		PlatformModelID: "model-b",
+	}
+
+	got, pinned := pinCandidatesToTaskAdmission(input, admission)
+
+	if !pinned || got[0].PlatformModelID != "model-b" {
+		t.Fatalf("waiting candidate was not pinned: pinned=%v candidates=%+v", pinned, got)
+	}
+}
+
+func TestPinCandidatesToTaskAdmissionIgnoresMissingCandidate(t *testing.T) {
+	input := []store.RuntimeModelCandidate{
+		{PlatformID: "platform-a", PlatformModelID: "model-a"},
+		{PlatformID: "platform-b", PlatformModelID: "model-b"},
+	}
+	admission := &store.TaskAdmission{
+		Status:          "admitted",
+		PlatformID:      "platform-c",
+		PlatformModelID: "model-c",
+	}
+
+	got, pinned := pinCandidatesToTaskAdmission(input, admission)
+
+	if pinned {
+		t.Fatalf("unexpected candidate pin for missing binding: %+v", got)
+	}
+	if got[0].PlatformModelID != "model-a" {
+		t.Fatalf("candidate order changed for missing binding: %+v", got)
 	}
 }