feat: add tests for pages/login.ts

Author: jsjoeio

test/browser/pages/login.test.ts

@@ -0,0 +1,38 @@
+import { JSDOM } from "jsdom"
+import { LocationLike } from "../../unit/util.test"
+
+describe("login", () => {
+  // TODO test for when el is defined
+  describe.skip("when navigator and serviceWorker are NOT defined", () => {
+    it("should log an error", () => {
+      // Load service worker like you would in the browser
+      require("../../src/browser/register")
+    })
+  })
+  // TODO test for when el is undefined
+  describe("there is no element with id 'base'", () => {
+    let initialDom: Document
+    beforeEach(() => {
+      const dom = new JSDOM()
+      initialDom = dom.window.document
+      global.document = dom.window.document
+
+      const location: LocationLike = {
+        pathname: "/healthz",
+        origin: "http://localhost:8080",
+      }
+
+      global.location = location as Location
+    })
+    afterEach(() => {
+      // Reset the global.document
+      global.document = undefined as any as Document
+    })
+    it("should not change the DOM", () => {
+      // Load file
+      require("../../../src/browser/pages/login")
+      const currentDom = global.document
+      expect(initialDom).toBe(currentDom)
+    })
+  })
+})