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import React from 'react';
import {mountWithIntl} from '../../helpers/intl-helpers.jsx';
import configureStore from 'redux-mock-store';
import mockAudioBufferPlayer from '../../__mocks__/audio-buffer-player.js';
import mockAudioEffects from '../../__mocks__/audio-effects.js';
import SoundEditor from '../../../src/containers/sound-editor';
import SoundEditorComponent from '../../../src/components/sound-editor/sound-editor';
jest.mock('react-ga');
jest.mock('../../../src/lib/audio/audio-buffer-player', () => mockAudioBufferPlayer);
jest.mock('../../../src/lib/audio/audio-effects', () => mockAudioEffects);
describe('Sound Editor Container', () => {
const mockStore = configureStore();
let store;
let soundIndex;
let soundBuffer;
const samples = new Float32Array([0, 0, 0]); // eslint-disable-line no-undef
let vm;
beforeEach(() => {
soundIndex = 0;
soundBuffer = {
numberOfChannels: 1,
sampleRate: 0,
getChannelData: jest.fn(() => samples)
};
vm = {
getSoundBuffer: jest.fn(() => soundBuffer),
renameSound: jest.fn(),
updateSoundBuffer: jest.fn(),
editingTarget: {
sprite: {
sounds: [{name: 'first name', id: 'first id'}]
}
}
};
store = mockStore({scratchGui: {vm: vm, mode: {isFullScreen: false}}});
});
test('should pass the correct data to the component from the store', () => {
const wrapper = mountWithIntl(
<SoundEditor
soundIndex={soundIndex}
store={store}
/>
);
const componentProps = wrapper.find(SoundEditorComponent).props();
// Data retreived and processed by the `connect` with the store
expect(componentProps.name).toEqual('first name');
expect(componentProps.chunkLevels).toEqual([0]);
expect(mockAudioBufferPlayer.instance.samples).toEqual(samples);
// Initial data
expect(componentProps.playhead).toEqual(null);
expect(componentProps.trimStart).toEqual(null);
expect(componentProps.trimEnd).toEqual(null);
});
test('it plays when clicked and stops when clicked again', () => {
const wrapper = mountWithIntl(
<SoundEditor
soundIndex={soundIndex}
store={store}
/>
);
let component = wrapper.find(SoundEditorComponent);
// Ensure rendering doesn't start playing any sounds
expect(mockAudioBufferPlayer.instance.play.mock.calls).toEqual([]);
expect(mockAudioBufferPlayer.instance.stop.mock.calls).toEqual([]);
component.props().onPlay();
expect(mockAudioBufferPlayer.instance.play).toHaveBeenCalled();
// Mock the audio buffer player calling onUpdate
mockAudioBufferPlayer.instance.onUpdate(0.5);
wrapper.update();
component = wrapper.find(SoundEditorComponent);
expect(component.props().playhead).toEqual(0.5);
component.props().onStop();
wrapper.update();
component = wrapper.find(SoundEditorComponent);
expect(mockAudioBufferPlayer.instance.stop).toHaveBeenCalled();
expect(component.props().playhead).toEqual(null);
});
test('it submits name changes to the vm', () => {
const wrapper = mountWithIntl(
<SoundEditor
soundIndex={soundIndex}
store={store}
/>
);
const component = wrapper.find(SoundEditorComponent);
component.props().onChangeName('hello');
expect(vm.renameSound).toHaveBeenCalledWith(soundIndex, 'hello');
});
test('it handles an effect by submitting the result and playing', async () => {
const wrapper = mountWithIntl(
<SoundEditor
soundIndex={soundIndex}
store={store}
/>
);
const component = wrapper.find(SoundEditorComponent);
component.props().onReverse(); // Could be any of the effects, just testing the end result
await mockAudioEffects.instance._finishProcessing(soundBuffer);
expect(mockAudioBufferPlayer.instance.play).toHaveBeenCalled();
expect(vm.updateSoundBuffer).toHaveBeenCalled();
});
test('it handles reverse effect correctly', () => {
const wrapper = mountWithIntl(
<SoundEditor
soundIndex={soundIndex}
store={store}
/>
);
const component = wrapper.find(SoundEditorComponent);
component.props().onReverse();
expect(mockAudioEffects.instance.name).toEqual(mockAudioEffects.effectTypes.REVERSE);
expect(mockAudioEffects.instance.process).toHaveBeenCalled();
});
test('it handles louder effect correctly', () => {
const wrapper = mountWithIntl(
<SoundEditor
soundIndex={soundIndex}
store={store}
/>
);
const component = wrapper.find(SoundEditorComponent);
component.props().onLouder();
expect(mockAudioEffects.instance.name).toEqual(mockAudioEffects.effectTypes.LOUDER);
expect(mockAudioEffects.instance.process).toHaveBeenCalled();
});
test('it handles softer effect correctly', () => {
const wrapper = mountWithIntl(
<SoundEditor
soundIndex={soundIndex}
store={store}
/>
);
const component = wrapper.find(SoundEditorComponent);
component.props().onSofter();
expect(mockAudioEffects.instance.name).toEqual(mockAudioEffects.effectTypes.SOFTER);
expect(mockAudioEffects.instance.process).toHaveBeenCalled();
});
test('it handles faster effect correctly', () => {
const wrapper = mountWithIntl(
<SoundEditor
soundIndex={soundIndex}
store={store}
/>
);
const component = wrapper.find(SoundEditorComponent);
component.props().onFaster();
expect(mockAudioEffects.instance.name).toEqual(mockAudioEffects.effectTypes.FASTER);
expect(mockAudioEffects.instance.process).toHaveBeenCalled();
});
test('it handles slower effect correctly', () => {
const wrapper = mountWithIntl(
<SoundEditor
soundIndex={soundIndex}
store={store}
/>
);
const component = wrapper.find(SoundEditorComponent);
component.props().onSlower();
expect(mockAudioEffects.instance.name).toEqual(mockAudioEffects.effectTypes.SLOWER);
expect(mockAudioEffects.instance.process).toHaveBeenCalled();
});
test('it handles echo effect correctly', () => {
const wrapper = mountWithIntl(
<SoundEditor
soundIndex={soundIndex}
store={store}
/>
);
const component = wrapper.find(SoundEditorComponent);
component.props().onEcho();
expect(mockAudioEffects.instance.name).toEqual(mockAudioEffects.effectTypes.ECHO);
expect(mockAudioEffects.instance.process).toHaveBeenCalled();
});
test('it handles robot effect correctly', () => {
const wrapper = mountWithIntl(
<SoundEditor
soundIndex={soundIndex}
store={store}
/>
);
const component = wrapper.find(SoundEditorComponent);
component.props().onRobot();
expect(mockAudioEffects.instance.name).toEqual(mockAudioEffects.effectTypes.ROBOT);
expect(mockAudioEffects.instance.process).toHaveBeenCalled();
});
test('undo/redo stack state', async () => {
const wrapper = mountWithIntl(
<SoundEditor
soundIndex={soundIndex}
store={store}
/>
);
let component = wrapper.find(SoundEditorComponent);
// Undo and redo should be disabled initially
expect(component.prop('canUndo')).toEqual(false);
expect(component.prop('canRedo')).toEqual(false);
// Submitting new samples should make it possible to undo
component.props().onFaster();
await mockAudioEffects.instance._finishProcessing(soundBuffer);
wrapper.update();
component = wrapper.find(SoundEditorComponent);
expect(component.prop('canUndo')).toEqual(true);
expect(component.prop('canRedo')).toEqual(false);
// Undoing should make it possible to redo and not possible to undo again
await component.props().onUndo();
wrapper.update();
component = wrapper.find(SoundEditorComponent);
expect(component.prop('canUndo')).toEqual(false);
expect(component.prop('canRedo')).toEqual(true);
// Redoing should make it possible to undo and not possible to redo again
await component.props().onRedo();
wrapper.update();
component = wrapper.find(SoundEditorComponent);
expect(component.prop('canUndo')).toEqual(true);
expect(component.prop('canRedo')).toEqual(false);
// New submission should clear the redo stack
await component.props().onUndo(); // Undo to go back to a state where redo is enabled
wrapper.update();
component = wrapper.find(SoundEditorComponent);
expect(component.prop('canRedo')).toEqual(true);
component.props().onFaster();
await mockAudioEffects.instance._finishProcessing(soundBuffer);
wrapper.update();
component = wrapper.find(SoundEditorComponent);
expect(component.prop('canRedo')).toEqual(false);
});
test('undo and redo submit new samples and play the sound', async () => {
const wrapper = mountWithIntl(
<SoundEditor
soundIndex={soundIndex}
store={store}
/>
);
let component = wrapper.find(SoundEditorComponent);
// Set up an undoable state
component.props().onFaster();
await mockAudioEffects.instance._finishProcessing(soundBuffer);
wrapper.update();
component = wrapper.find(SoundEditorComponent);
// Undo should update the sound buffer and play the new samples
await component.props().onUndo();
expect(mockAudioBufferPlayer.instance.play).toHaveBeenCalled();
expect(vm.updateSoundBuffer).toHaveBeenCalled();
// Clear the mocks call history to assert again for redo.
vm.updateSoundBuffer.mockClear();
mockAudioBufferPlayer.instance.play.mockClear();
// Undo should update the sound buffer and play the new samples
await component.props().onRedo();
expect(mockAudioBufferPlayer.instance.play).toHaveBeenCalled();
expect(vm.updateSoundBuffer).toHaveBeenCalled();
});
test('isStereo numberOfChannels=1', () => {
soundBuffer.numberOfChannels = 1;
const wrapper = mountWithIntl(
<SoundEditor
soundIndex={soundIndex}
store={store}
/>
);
const component = wrapper.find(SoundEditorComponent);
expect(component.props().isStereo).toEqual(false);
});
test('isStereo numberOfChannels=2', () => {
soundBuffer.numberOfChannels = 2;
const wrapper = mountWithIntl(
<SoundEditor
soundIndex={soundIndex}
store={store}
/>
);
const component = wrapper.find(SoundEditorComponent);
expect(component.props().isStereo).toEqual(true);
});
});
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