test for action.js

app/components/atoms/LanguageProvider/tests/action.test.js

@@ -0,0 +1,19 @@
+import { changeLocale } from '../actions';
+import { CHANGE_LOCALE } from '../constants'; // Import your action creator and action type
+
+// Test suite for the changeLocale action creator
+describe('changeLocale action creator', () => {
+  it('should create an action to change the locale', () => {
+    // Define the expected language locale
+    const languageLocale = 'fr';
+    // Expected action object to be returned
+    const expectedAction = {
+      type: CHANGE_LOCALE,
+      locale: languageLocale
+    };
+    // Call the changeLocale action creator with a languageLocale argument
+    const action = changeLocale(languageLocale);
+    // Assert that the action creator returns the correct action
+    expect(action).toEqual(expectedAction);
+  });
+});