add redis tests

test/cases/redisTest.ts

@@ -0,0 +1,21 @@
+import { config } from "../../src/config";
+import redis from "../../src/utils/redis";
+import crypto from "crypto";
+import assert from "assert";
+
+const randomID = crypto.pseudoRandomBytes(8).toString("hex");
+
+describe("redis test", function() {
+    before(async function() {
+        if (!config.redis) this.skip();
+        await redis.setAsync(randomID, "test");
+    });
+    it("Should get stored value", (done) => {
+        redis.getAsync(randomID)
+            .then(res => {
+                if (res.err) assert.fail(res.err);
+                assert.strictEqual(res.reply, "test");
+                done();
+            });
+    });
+});