Add tests

test/integration/tutorials-shortcut.test.js

+import path from 'path';
+import SeleniumHelper from '../helpers/selenium-helper';
+
+const {
+    clickText,
+    findByXpath,
+    getDriver,
+    loadUri
+} = new SeleniumHelper();
+
+const uri = path.resolve(__dirname, '../../build/index.html?tutorial=all');
+
+let driver;
+
+describe('Working with shortcut to Tutorials library', () => {
+    beforeAll(() => {
+        driver = getDriver();
+    });
+
+    afterAll(async () => {
+        await driver.quit();
+    });
+
+    test('opens with the Tutorial Library showing', async () => {
+        await loadUri(uri);
+        // make sure there is a tutorial visible that doesn't have a shortcut
+        await clickText('Switch costume');
+        await findByXpath('//div[contains(@class, "step-video")]');
+    });
+
+    // @todo navigating cards, etc.
+});

test/unit/util/tutorial-from-url.test.js

@@ -36,7 +36,7 @@ test('returns null if no query param', () => {
     expect(detectTutorialId()).toBe(null);
 });
 
-test('returns null if non-numeric template', () => {
+test('returns null if unrecognized template', () => {
     window.location.search = '?tutorial=asdf';
     expect(detectTutorialId()).toBe(null);
 });
@@ -45,3 +45,8 @@ test('takes the first of multiple', () => {
     window.location.search = '?tutorial=one&tutorial=two';
     expect(detectTutorialId()).toBe('foo');
 });
+
+test('returns all for the tutorial library shortcut', () => {
+    window.location.search = '?tutorial=all';
+    expect(detectTutorialId()).toBe('all');
+});