Merge pull request #5 from csc301-winter-2019/feat/1

Feat/1

1 files changed, 22 insertions, 0 deletions

diff --git a/mobile/hello-world/__tests__/App-test.js b/mobile/hello-world/__tests__/App-test.js
new file mode 100644
index 0000000..2d73499
--- /dev/null
+++ b/mobile/hello-world/__tests__/App-test.js
@@ -0,0 +1,22 @@
+import 'react-native';
+import React from 'react';
+import App from '../App';
+import renderer from 'react-test-renderer';
+import NavigationTestUtils from 'react-navigation/NavigationTestUtils';
+
+describe('App snapshot', () => {
+  jest.useFakeTimers();
+  beforeEach(() => {
+    NavigationTestUtils.resetInternalState();
+  });
+
+  it('renders the loading screen', async () => {
+    const tree = renderer.create(<App />).toJSON();
+    expect(tree).toMatchSnapshot();
+  });
+
+  it('renders the root without loading screen', async () => {
+    const tree = renderer.create(<App skipLoadingScreen />).toJSON();
+    expect(tree).toMatchSnapshot();
+  });
+});