test(routes/login): add more tests for the login route

src/routes/login.spec.ts

@@ -1,18 +1,33 @@
-import { beforeAll, describe, it } from "vitest";
+import { beforeEach, describe, expect, it } from "vitest";
 import supertest from "supertest";
 import { initializeTranslations } from "../services/i18n.js";
 import type { Application, Request, Response, NextFunction } from "express";
+import dayjs from "dayjs";
 
 let app: Application;
 
 describe("Login Route test", () => {
 
-    beforeAll(async () => {
+    beforeEach(async () => {
         initializeTranslations();
         app = (await import("../app.js")).default;
     });
 
-    it("return a 401 status, when login fails with wrong password", async () => {
+    it("should return the login page, when using a GET request", async () => {
+
+        // RegExp for login page specific string in HTML: e.g. "assets/v0.92.7/app/login.css"
+        const loginCssRegexp = /assets\/v[0-9.a-z]+\/app\/login\.css/;
+
+        const res = await supertest(app)
+            .get("/login")
+            .expect(200)
+
+
+        expect(loginCssRegexp.test(res.text)).toBe(true);
+
+    });
+
+    it("returns a 401 status, when login fails with wrong password", async () => {
 
         await supertest(app)
             .post("/login")
@@ -21,16 +36,51 @@ describe("Login Route test", () => {
 
     });
 
-    // TriliumNextTODO: how to handle different configs here? e.g. TOTP, or different cookieMaxAge from config.ini
-
-    /*
 
     it("sets correct Expires, when 'Remember Me' is ticked", async () => {
-        await supertest(app)
+
+        // TriliumNextTODO: make setting cookieMaxAge via env variable work
+        // => process.env.TRILIUM_SESSION_COOKIEMAXAGE
+        // the custom cookieMaxAge is currently hardocded in the test data dir's config.ini
+
+        const CUSTOM_MAX_AGE_SECONDS = 86400;
+        const expectedExpiresDate = dayjs().utc().add(CUSTOM_MAX_AGE_SECONDS, "seconds").toDate().toUTCString();
+
+        const res = await supertest(app)
             .post("/login")
+            .send({ password: "demo1234", rememberMe: 1 })
             .expect(302)
-            .expect("Set-Cookie", "trilium.sid=trilium.sid; Path=/; Expires=TODO");
+
+        const setCookieHeader = res.headers["set-cookie"][0];
+
+        // match for e.g. "Expires=Wed, 07 May 2025 07:02:59 GMT;"
+        const expiresCookieRegExp = /Expires=(?<date>[\w\s,:]+)/;
+        const expiresCookieMatch = setCookieHeader.match(expiresCookieRegExp);
+        const actualExpiresDate = new Date(expiresCookieMatch?.groups?.date || "").toUTCString()
+
+        expect(actualExpiresDate).to.not.eql("Invalid Date");
+
+        // ignore the seconds in the comparison, just to avoid flakiness in tests, 
+        // if for some reason execution is slow between calculation of expected and actual
+        expect(actualExpiresDate.slice(0,23)).toBe(expectedExpiresDate.slice(0,23))
     });
 
-    */
+
+    it("does not set Expires, when 'Remember Me' is not ticked", async () => {
+
+        const res = await supertest(app)
+            .post("/login")
+            .send({ password: "demo1234" })
+            .expect(302)
+
+        const setCookieHeader = res.headers["set-cookie"][0];
+
+        // match for e.g. "Expires=Wed, 07 May 2025 07:02:59 GMT;"
+        const expiresCookieRegExp = /Expires=(?<date>[\w\s,:]+)/;
+        const expiresCookieMatch = setCookieHeader.match(expiresCookieRegExp);
+        expect(expiresCookieMatch).toBeNull();
+
+    });
+
+
 });