chore: 补充单元测试

packages/core/pipeline/src/plugin/group.test.ts

@@ -0,0 +1,23 @@
+/// <reference types="mocha" />
+
+import { expect } from "chai";
+
+import { PluginGroup, pluginGroups } from "./group.js";
+
+describe("PluginGroup", () => {
+  it("initializes a group with defaults", () => {
+    const group = new PluginGroup("custom", "Custom");
+
+    expect(group.key).to.equal("custom");
+    expect(group.title).to.equal("Custom");
+    expect(group.order).to.equal(0);
+    expect(group.icon).to.equal("");
+    expect(group.plugins).to.deep.equal([]);
+  });
+
+  it("exposes built-in groups with stable keys", () => {
+    expect(pluginGroups.cert.key).to.equal("cert");
+    expect(pluginGroups.host.key).to.equal("host");
+    expect(pluginGroups.other.order).to.equal(10);
+  });
+});