chore: 补充单元测试

2026-05-15 12:37:30 +08:00 · 2026-05-05 18:44:43 +08:00
parent 7c1d92ff4b
commit e0143fa540
5 changed files with 273 additions and 0 deletions
@@ -0,0 +1,78 @@
+/// <reference types="mocha" />
+
+import { expect } from "chai";
+
+import { mergeUtils, UnMergeable } from "./util.merge.js";
+
+describe("mergeUtils", () => {
+  describe("merge", () => {
+    it("deep merges plain objects", () => {
+      const target = { acme: { email: "admin@example.com" }, deploy: { retries: 1 } };
+
+      const result = mergeUtils.merge(target, { acme: { dnsProvider: "cloudflare" } });
+
+      expect(result).to.equal(target);
+      expect(result).to.deep.equal({
+        acme: { email: "admin@example.com", dnsProvider: "cloudflare" },
+        deploy: { retries: 1 },
+      });
+    });
+
+    it("replaces arrays instead of merging them by index", () => {
+      const result = mergeUtils.merge({ domains: ["old.example.com", "legacy.example.com"] }, { domains: ["new.example.com"] });
+
+      expect(result).to.deep.equal({ domains: ["new.example.com"] });
+    });
+
+    it("allows null to clear nested values", () => {
+      const result = mergeUtils.merge({ cert: { name: "certd" } }, { cert: null });
+
+      expect(result).to.deep.equal({ cert: null });
+    });
+
+    it("keeps undefined sources from overwriting existing nested values", () => {
+      const result = mergeUtils.merge({ cert: { name: "certd" } }, { cert: undefined });
+
+      expect(result).to.deep.equal({ cert: { name: "certd" } });
+    });
+
+    it("returns an UnMergeable source directly when it is merged at the top level", () => {
+      const source = new UnMergeable();
+
+      const result = mergeUtils.merge({ enabled: true }, source);
+
+      expect(result).to.equal(source);
+    });
+
+    it("replaces nested values marked as UnMergeable", () => {
+      const source = new UnMergeable();
+
+      const result = mergeUtils.merge({ plugin: { enabled: true } }, { plugin: source });
+
+      expect(result.plugin).to.equal(source);
+    });
+  });
+
+  describe("cloneDeep", () => {
+    it("deep clones plain values", () => {
+      const source = { acme: { email: "admin@example.com" }, domains: ["example.com"] };
+
+      const result = mergeUtils.cloneDeep(source);
+
+      expect(result).to.deep.equal(source);
+      expect(result).not.to.equal(source);
+      expect(result.acme).not.to.equal(source.acme);
+      expect(result.domains).not.to.equal(source.domains);
+    });
+
+    it("preserves references marked as not cloneable", () => {
+      const uncloneable = new UnMergeable();
+      const source = { plugin: uncloneable };
+
+      const result = mergeUtils.cloneDeep(source);
+
+      expect(result).not.to.equal(source);
+      expect(result.plugin).to.equal(uncloneable);
+    });
+  });
+});