From 0c8cc1292f833caaaac51c8e69de6a8d2ce5232c Mon Sep 17 00:00:00 2001
From: Christian Kaisermann <christian@kaisermann.me>
Date: Fri, 29 Nov 2019 18:39:20 -0300
Subject: [PATCH] =?UTF-8?q?test:=20=F0=9F=92=8D=20add=20tests=20for=20form?=
 =?UTF-8?q?at=20method=20update?=
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---
 test/client/index.test.ts | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/test/client/index.test.ts b/test/client/index.test.ts
index 5da3394..63e28da 100644
--- a/test/client/index.test.ts
+++ b/test/client/index.test.ts
@@ -5,6 +5,7 @@ import {
   getLocaleDictionary,
   $dictionary,
 } from '../../src/client/stores/dictionary'
+import { $format } from '../../src/client/stores/format'
 
 test('defineMessages returns the identity of its first argument', () => {
   const obj = {}
@@ -47,3 +48,26 @@ describe('waiting for a locale to load', () => {
     expect(getLocaleDictionary('pt')).toMatchObject({ foo: 'foo' })
   })
 })
+
+describe('changing locale', () => {
+  beforeEach(() => {
+    init({ fallbackLocale: 'en' })
+  })
+
+  test('format store is updated when locale changes', () => {
+    const fn = jest.fn()
+    const cancel = $format.subscribe(fn)
+
+    $locale.set('pt')
+    expect(fn).toHaveBeenCalledTimes(2)
+    cancel()
+  })
+
+  test('format store is updated when dictionary changes', () => {
+    const fn = jest.fn()
+    const cancel = $format.subscribe(fn)
+    $dictionary.set({})
+    expect(fn).toHaveBeenCalledTimes(2)
+    cancel()
+  })
+})