chore: 补充单元测试

2026-06-23 18:57:31 +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 +1,90 @@
+/// <reference types="mocha" />
+
+import { expect } from "chai";
+
+import { logger } from "./util.log.js";
+import { promises } from "./util.promise.js";
+
+describe("promises", () => {
+  describe("TimeoutPromise", () => {
+    it("resolves when the callback finishes before the timeout", async () => {
+      let completed = false;
+
+      await promises.TimeoutPromise(async () => {
+        completed = true;
+      }, 50);
+
+      expect(completed).to.equal(true);
+    });
+
+    it("rejects when the callback exceeds the timeout", async () => {
+      try {
+        await promises.TimeoutPromise(() => new Promise<void>(resolve => setTimeout(resolve, 30)), 5);
+        expect.fail("expected TimeoutPromise to reject");
+      } catch (e: any) {
+        expect(e.message).to.equal("Task timeout in 5 ms");
+      }
+    });
+  });
+
+  describe("safePromise", () => {
+    it("resolves values provided by the callback", async () => {
+      const result = await promises.safePromise<string>(resolve => {
+        resolve("ok");
+      });
+
+      expect(result).to.equal("ok");
+    });
+
+    it("rejects synchronous errors thrown by the callback", async () => {
+      const oldLevel = logger.level;
+      logger.level = "fatal";
+      try {
+        await promises.safePromise(() => {
+          throw new Error("boom");
+        });
+        expect.fail("expected safePromise to reject");
+      } catch (e: any) {
+        expect(e.message).to.equal("boom");
+      } finally {
+        logger.level = oldLevel;
+      }
+    });
+  });
+
+  describe("promisify", () => {
+    it("resolves callback data", async () => {
+      const readValue = promises.promisify((prefix: string, callback: (err: Error | null, data?: string) => void) => {
+        callback(null, `${prefix}-value`);
+      });
+
+      expect(await readValue("certd")).to.equal("certd-value");
+    });
+
+    it("rejects callback errors", async () => {
+      const failing = promises.promisify((callback: (err: Error) => void) => {
+        callback(new Error("callback failed"));
+      });
+
+      try {
+        await failing();
+        expect.fail("expected promisified function to reject");
+      } catch (e: any) {
+        expect(e.message).to.equal("callback failed");
+      }
+    });
+
+    it("rejects synchronous errors", async () => {
+      const failing = promises.promisify(() => {
+        throw new Error("sync failed");
+      });
+
+      try {
+        await failing();
+        expect.fail("expected promisified function to reject");
+      } catch (e: any) {
+        expect(e.message).to.equal("sync failed");
+      }
+    });
+  });
+});