Use localStorage with Web Storage API (#23172)

test/common/auth/token_storage/askWrite.test.ts

@@ -0,0 +1,62 @@
+import { afterEach, describe, expect, test, vi } from "vitest";
+
+let askWrite;
+
+describe("token_storage.askWrite", () => {
+  afterEach(() => {
+    vi.resetModules();
+  });
+
+  test("askWrite", async () => {
+    vi.stubGlobal(
+      "window.__tokenCache",
+      (window.__tokenCache = {
+        tokens: undefined,
+        writeEnabled: true,
+      })
+    );
+
+    ({ askWrite } = await import("../../../../src/common/auth/token_storage"));
+    expect(askWrite()).toBe(false);
+  });
+
+  test("askWrite prefilled token", async () => {
+    vi.stubGlobal(
+      "window.__tokenCache",
+      (window.__tokenCache = {
+        tokens: {
+          access_token: "test",
+          expires: 1800,
+          expires_in: 1800,
+          hassUrl: "http://localhost",
+          refresh_token: "refresh",
+          clientId: "client",
+        },
+        writeEnabled: undefined,
+      })
+    );
+
+    ({ askWrite } = await import("../../../../src/common/auth/token_storage"));
+    expect(askWrite()).toBe(true);
+  });
+
+  test("askWrite prefilled token, write enabled", async () => {
+    vi.stubGlobal(
+      "window.__tokenCache",
+      (window.__tokenCache = {
+        tokens: {
+          access_token: "test",
+          expires: 1800,
+          expires_in: 1800,
+          hassUrl: "http://localhost",
+          refresh_token: "refresh",
+          clientId: "client",
+        },
+        writeEnabled: true,
+      })
+    );
+
+    ({ askWrite } = await import("../../../../src/common/auth/token_storage"));
+    expect(askWrite()).toBe(false);
+  });
+});