init app resources

app/src/core/drivers/cache/cache-driver-test-suite.ts

@@ -0,0 +1,72 @@
+import type { TestRunner } from "core/test";
+import type { ICacheDriver } from "./index";
+
+export function cacheDriverTestSuite(
+   testRunner: TestRunner,
+   {
+      makeCache,
+      setTime,
+      options,
+   }: {
+      makeCache: () => ICacheDriver;
+      setTime: (ms: number) => void;
+      options?: {
+         minTTL?: number;
+         skipTTL?: boolean;
+      };
+   },
+) {
+   const { test, expect } = testRunner;
+   const minTTL = options?.minTTL ?? 0;
+
+   test("get within ttl", async () => {
+      const cache = makeCache();
+      await cache.set("ttl", "bar", minTTL + 2); // 2 second TTL
+      setTime(minTTL * 1000 + 1000); // advance by 1 second
+      expect(await cache.get("ttl")).toBe("bar");
+   });
+
+   test("set and get returns value", async () => {
+      const cache = makeCache();
+      await cache.set("value", "bar");
+      expect(await cache.get("value")).toBe("bar");
+   });
+
+   test("get returns undefined for missing key", async () => {
+      const cache = makeCache();
+      expect(await cache.get("missing" + Math.random())).toBeUndefined();
+   });
+
+   test("delete removes value", async () => {
+      const cache = makeCache();
+      await cache.set("delete", "bar");
+      await cache.del("delete");
+      expect(await cache.get("delete")).toBeUndefined();
+   });
+
+   test("set overwrites value", async () => {
+      const cache = makeCache();
+      await cache.set("overwrite", "bar");
+      await cache.set("overwrite", "baz");
+      expect(await cache.get("overwrite")).toBe("baz");
+   });
+
+   test("set with ttl expires", async () => {
+      const cache = makeCache();
+      await cache.set("expire", "bar", minTTL + 1); // 1 second TTL
+      expect(await cache.get("expire")).toBe("bar");
+      // advance time
+      setTime(minTTL * 1000 * 2000);
+      if (options?.skipTTL) {
+         await cache.del("expire");
+      }
+      expect(await cache.get("expire")).toBeUndefined();
+   });
+   test("set without ttl does not expire", async () => {
+      const cache = makeCache();
+      await cache.set("ttl0", "bar");
+      expect(await cache.get("ttl0")).toBe("bar");
+      setTime(1000);
+      expect(await cache.get("ttl0")).toBe("bar");
+   });
+}