init

scratch-gui/test/unit/components/controls.test.jsx

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+import React from 'react';
+import {mountWithIntl} from '../../helpers/intl-helpers.jsx';
+import Controls from '../../../src/components/controls/controls';
+import TurboMode from '../../../src/components/turbo-mode/turbo-mode';
+import GreenFlag from '../../../src/components/green-flag/green-flag';
+import StopAll from '../../../src/components/stop-all/stop-all';
+
+describe('Controls component', () => {
+    const defaultProps = () => ({
+        active: false,
+        onGreenFlagClick: jest.fn(),
+        onStopAllClick: jest.fn(),
+        turbo: false
+    });
+
+    test('shows turbo mode when in turbo mode', () => {
+        const component = mountWithIntl(
+            <Controls
+                {...defaultProps()}
+            />
+        );
+        expect(component.find(TurboMode).exists()).toEqual(false);
+        component.setProps({turbo: true});
+        expect(component.find(TurboMode).exists()).toEqual(true);
+    });
+
+    test('triggers the right callbacks when clicked', () => {
+        const props = defaultProps();
+        const component = mountWithIntl(
+            <Controls
+                {...props}
+            />
+        );
+        component.find(GreenFlag).simulate('click');
+        expect(props.onGreenFlagClick).toHaveBeenCalled();
+
+        component.find(StopAll).simulate('click');
+        expect(props.onStopAllClick).toHaveBeenCalled();
+    });
+});