fix: initial commit

src/SiteHeader.test.jsx

@@ -0,0 +1,54 @@
+
+import React from 'react';
+import { IntlProvider } from '@edx/frontend-i18n';
+import TestRenderer from 'react-test-renderer';
+import { AuthenticationContext } from '@edx/frontend-base';
+import { Context as ResponsiveContext } from 'react-responsive';
+
+import SiteHeader from './index';
+
+describe('<SiteHeader />', () => {
+  it('renders correctly for desktop', () => {
+    const component = (
+      <ResponsiveContext.Provider value={{ width: 1280 }}>
+        <IntlProvider locale="en" messages={{}}>
+          <AuthenticationContext.Provider
+            value={{
+              userId: null,
+              username: null,
+              administrator: false,
+            }}
+          >
+            <SiteHeader />
+          </AuthenticationContext.Provider>
+        </IntlProvider>
+      </ResponsiveContext.Provider>
+    );
+
+    const wrapper = TestRenderer.create(component);
+
+    expect(wrapper.toJSON()).toMatchSnapshot();
+  });
+
+  it('renders correctly for mobile', () => {
+    const component = (
+      <ResponsiveContext.Provider value={{ width: 500 }}>
+        <IntlProvider locale="en" messages={{}}>
+          <AuthenticationContext.Provider
+            value={{
+              userId: null,
+              username: null,
+              administrator: false,
+            }}
+          >
+            <SiteHeader />
+          </AuthenticationContext.Provider>
+        </IntlProvider>
+      </ResponsiveContext.Provider>
+    );
+
+    const wrapper = TestRenderer.create(component);
+
+    expect(wrapper.toJSON()).toMatchSnapshot();
+  });
+});