refactor(*): 平台架构 - 拆分后端领域模块并同步插件协议与模型能力

backend/internal/app/json_fields_test.go

@@ -0,0 +1,28 @@
+package app
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestExtractProviderTaskID(t *testing.T) {
+	id, err := extractProviderTaskID([]byte(`{"id":12,"task_id":"abc"}`))
+	if err != nil || id != "abc" {
+		t.Fatalf("extractProviderTaskID() = %q, %v", id, err)
+	}
+
+	_, err = extractProviderTaskID([]byte(`{"id":12}`))
+	if err == nil || !strings.Contains(err.Error(), "expected string") || !strings.Contains(err.Error(), "float64") {
+		t.Fatalf("extractProviderTaskID(numeric id) error = %v", err)
+	}
+
+	id, err = extractProviderTaskID([]byte(`{"data":{"task_id":"nested"}}`))
+	if err != nil || id != "nested" {
+		t.Fatalf("extractProviderTaskID(nested) = %q, %v", id, err)
+	}
+
+	id, err = extractProviderTaskID([]byte(`{"name":"task-from-name"}`))
+	if err != nil || id != "task-from-name" {
+		t.Fatalf("extractProviderTaskID(name) = %q, %v", id, err)
+	}
+}