Add HeroSMS free phone reuse

tests/background-message-router-module.test.js

@@ -7,6 +7,27 @@ test('background imports message router module', () => {
   assert.match(source, /background\/message-router\.js/);
 });
 
+test('background defaults enable free phone reuse switches', () => {
+  const source = fs.readFileSync('background.js', 'utf8');
+  const defaultsStart = source.indexOf('const PERSISTED_SETTING_DEFAULTS = {');
+  const defaultsEnd = source.indexOf('const PERSISTED_SETTING_KEYS = Object.keys(PERSISTED_SETTING_DEFAULTS);');
+  const defaultsBlock = source.slice(defaultsStart, defaultsEnd);
+
+  assert.match(defaultsBlock, /freePhoneReuseEnabled:\s*true/);
+  assert.match(defaultsBlock, /freePhoneReuseAutoEnabled:\s*true/);
+});
+
+test('background free reusable phone setter does not depend on module-scoped phone flow constants', () => {
+  const source = fs.readFileSync('background.js', 'utf8');
+  const setterStart = source.indexOf('async function setFreeReusablePhoneActivation');
+  const setterEnd = source.indexOf('// ============================================================\n// Tab Registry', setterStart);
+  const setterBlock = source.slice(setterStart, setterEnd);
+
+  assert.ok(setterStart >= 0, 'expected setFreeReusablePhoneActivation to exist');
+  assert.doesNotMatch(setterBlock, /DEFAULT_PHONE_NUMBER_MAX_USES/);
+  assert.match(setterBlock, /maxUses:\s*Math\.max\(1,\s*Math\.floor\(Number\(record\.maxUses\)\s*\|\|\s*3\)\)/);
+});
+
 test('message router module exposes a factory', () => {
   const source = fs.readFileSync('background/message-router.js', 'utf8');
   const globalScope = {};
@@ -15,3 +36,56 @@ test('message router module exposes a factory', () => {
 
   assert.equal(typeof api?.createMessageRouter, 'function');
 });
+
+test('SAVE_SETTING broadcasts free phone reuse setting updates for realtime sidepanel sync', async () => {
+  const source = fs.readFileSync('background/message-router.js', 'utf8');
+  const globalScope = { console };
+  const api = new Function('self', `${source}; return self.MultiPageBackgroundMessageRouter;`)(globalScope);
+  const broadcasts = [];
+  let state = {
+    freePhoneReuseEnabled: false,
+    freePhoneReuseAutoEnabled: false,
+    plusModeEnabled: false,
+    plusPaymentMethod: 'paypal',
+  };
+
+  const router = api.createMessageRouter({
+    addLog: async () => {},
+    buildLuckmailSessionSettingsPayload: () => ({}),
+    buildPersistentSettingsPayload: (input = {}) => {
+      const updates = {};
+      if (Object.prototype.hasOwnProperty.call(input, 'freePhoneReuseEnabled')) {
+        updates.freePhoneReuseEnabled = Boolean(input.freePhoneReuseEnabled);
+      }
+      if (Object.prototype.hasOwnProperty.call(input, 'freePhoneReuseAutoEnabled')) {
+        updates.freePhoneReuseAutoEnabled = Boolean(input.freePhoneReuseAutoEnabled);
+      }
+      return updates;
+    },
+    broadcastDataUpdate: (payload) => broadcasts.push(payload),
+    getState: async () => ({ ...state }),
+    setPersistentSettings: async () => {},
+    setState: async (updates) => {
+      state = { ...state, ...updates };
+    },
+  });
+
+  const response = await router.handleMessage({
+    type: 'SAVE_SETTING',
+    payload: {
+      freePhoneReuseEnabled: true,
+      freePhoneReuseAutoEnabled: true,
+    },
+  });
+
+  assert.equal(response.ok, true);
+  assert.equal(state.freePhoneReuseEnabled, true);
+  assert.equal(state.freePhoneReuseAutoEnabled, true);
+  assert.ok(
+    broadcasts.some((payload) => (
+      payload.freePhoneReuseEnabled === true
+      && payload.freePhoneReuseAutoEnabled === true
+    )),
+    'expected SAVE_SETTING to broadcast free reuse switch updates'
+  );
+});