345 lines
14 KiB
JavaScript
345 lines
14 KiB
JavaScript
import React from 'react';
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import { Factory } from 'rosie';
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import { sendTrackEvent } from '@edx/frontend-platform/analytics';
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import {
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loadUnit, render, screen, fireEvent, waitFor, initializeTestStore,
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} from '../../../setupTest';
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import Sequence from './Sequence';
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import { fetchSequenceFailure } from '../../data/slice';
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jest.mock('@edx/frontend-platform/analytics');
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describe('Sequence', () => {
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let mockData;
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const courseMetadata = Factory.build('courseMetadata');
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const unitBlocks = Array.from({ length: 3 }).map(() => Factory.build(
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'block',
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{ type: 'vertical' },
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{ courseId: courseMetadata.id },
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));
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beforeAll(async () => {
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const store = await initializeTestStore({ courseMetadata, unitBlocks });
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const { courseware } = store.getState();
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mockData = {
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unitId: unitBlocks[0].id,
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sequenceId: courseware.sequenceId,
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courseId: courseware.courseId,
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unitNavigationHandler: () => {},
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nextSequenceHandler: () => {},
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previousSequenceHandler: () => {},
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};
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});
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it('renders correctly without data', async () => {
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const testStore = await initializeTestStore({ excludeFetchCourse: true, excludeFetchSequence: true }, false);
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render(<Sequence {...mockData} {...{ unitId: undefined, sequenceId: undefined }} />, { store: testStore });
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expect(screen.getByText('There is no content here.')).toBeInTheDocument();
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expect(screen.queryByRole('button')).not.toBeInTheDocument();
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});
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it('renders correctly for gated content', async () => {
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const sequenceBlock = [Factory.build(
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'block',
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{ type: 'sequential', children: [unitBlocks.map(block => block.id)] },
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{ courseId: courseMetadata.id },
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)];
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const gatedContent = {
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gated: true,
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prereq_id: `${sequenceBlock[0].id}-prereq`,
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prereq_section_name: `${sequenceBlock[0].display_name}-prereq`,
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gated_section_name: sequenceBlock[0].display_name,
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};
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const sequenceMetadata = [Factory.build(
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'sequenceMetadata',
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{ gated_content: gatedContent },
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{ courseId: courseMetadata.id, unitBlocks, sequenceBlock: sequenceBlock[0] },
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)];
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const testStore = await initializeTestStore(
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{
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courseMetadata, unitBlocks, sequenceBlock, sequenceMetadata,
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}, false,
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);
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const { container } = render(
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<Sequence {...mockData} {...{ sequenceId: sequenceBlock[0].id }} />,
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{ store: testStore },
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);
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expect(screen.getByText('Loading locked content messaging...')).toBeInTheDocument();
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// Only `Previous`, `Next` and `Bookmark` buttons.
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expect(screen.getAllByRole('button').length).toEqual(3);
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expect(await screen.findByText('Content Locked')).toBeInTheDocument();
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const unitContainer = container.querySelector('.unit-container');
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expect(unitContainer.querySelector('svg')).toHaveClass('fa-lock');
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expect(screen.getByText(/You must complete the prerequisite/)).toBeInTheDocument();
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expect(screen.getByRole('button', { name: 'Go To Prerequisite Section' })).toBeInTheDocument();
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expect(screen.queryByText('Loading locked content messaging...')).not.toBeInTheDocument();
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});
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it('displays error message on sequence load failure', async () => {
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const testStore = await initializeTestStore({ excludeFetchCourse: true, excludeFetchSequence: true }, false);
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testStore.dispatch(fetchSequenceFailure({ sequenceId: mockData.sequenceId }));
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render(<Sequence {...mockData} />, { store: testStore });
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expect(screen.getByText('There was an error loading this course.')).toBeInTheDocument();
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});
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it('handles loading unit', async () => {
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render(<Sequence {...mockData} />);
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expect(screen.getByText('Loading learning sequence...')).toBeInTheDocument();
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// Renders navigation buttons plus one button for each unit.
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expect(screen.getAllByRole('button')).toHaveLength(3 + unitBlocks.length);
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loadUnit();
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await waitFor(() => expect(screen.queryByText('Loading learning sequence...')).not.toBeInTheDocument());
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// At this point there will be 2 `Previous` and 2 `Next` buttons.
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expect(screen.getAllByRole('button', { name: /previous|next/i }).length).toEqual(4);
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});
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describe('sequence and unit navigation buttons', () => {
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let testStore;
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const sequenceBlock = [Factory.build(
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'block',
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{ type: 'sequential', children: [unitBlocks.map(block => block.id)] },
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{ courseId: courseMetadata.id },
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), Factory.build(
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'block',
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{ type: 'sequential', children: [unitBlocks.map(block => block.id)] },
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{ courseId: courseMetadata.id },
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)];
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beforeAll(async () => {
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testStore = await initializeTestStore({ courseMetadata, unitBlocks, sequenceBlock }, false);
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});
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beforeEach(() => {
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sendTrackEvent.mockClear();
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});
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it('navigates to the previous sequence if the unit is the first in the sequence', async () => {
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const testData = {
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...mockData,
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sequenceId: sequenceBlock[1].id,
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previousSequenceHandler: jest.fn(),
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};
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render(<Sequence {...testData} />, { store: testStore });
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const sequencePreviousButton = screen.getByRole('button', { name: /previous/i });
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fireEvent.click(sequencePreviousButton);
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expect(testData.previousSequenceHandler).toHaveBeenCalledTimes(1);
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expect(sendTrackEvent).toHaveBeenCalledTimes(1);
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expect(sendTrackEvent).toHaveBeenCalledWith('edx.ui.lms.sequence.previous_selected', {
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current_tab: 1,
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id: testData.unitId,
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tab_count: unitBlocks.length,
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widget_placement: 'top',
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});
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loadUnit();
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await waitFor(() => expect(screen.queryByText('Loading learning sequence...')).not.toBeInTheDocument());
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const unitPreviousButton = screen.getAllByRole('button', { name: /previous/i })
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.filter(button => button !== sequencePreviousButton)[0];
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fireEvent.click(unitPreviousButton);
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expect(testData.previousSequenceHandler).toHaveBeenCalledTimes(2);
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expect(sendTrackEvent).toHaveBeenCalledTimes(2);
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expect(sendTrackEvent).toHaveBeenNthCalledWith(2, 'edx.ui.lms.sequence.previous_selected', {
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current_tab: 1,
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id: testData.unitId,
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tab_count: unitBlocks.length,
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widget_placement: 'bottom',
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});
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});
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it('navigates to the next sequence if the unit is the last in the sequence', async () => {
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const testData = {
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...mockData,
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unitId: unitBlocks[unitBlocks.length - 1].id,
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sequenceId: sequenceBlock[0].id,
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nextSequenceHandler: jest.fn(),
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};
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render(<Sequence {...testData} />, { store: testStore });
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const sequenceNextButton = screen.getByRole('button', { name: /next/i });
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fireEvent.click(sequenceNextButton);
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expect(testData.nextSequenceHandler).toHaveBeenCalledTimes(1);
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expect(sendTrackEvent).toHaveBeenCalledWith('edx.ui.lms.sequence.next_selected', {
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current_tab: unitBlocks.length,
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id: testData.unitId,
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tab_count: unitBlocks.length,
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widget_placement: 'top',
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});
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loadUnit();
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await waitFor(() => expect(screen.queryByText('Loading learning sequence...')).not.toBeInTheDocument());
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const unitNextButton = screen.getAllByRole('button', { name: /next/i })
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.filter(button => button !== sequenceNextButton)[0];
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fireEvent.click(unitNextButton);
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expect(testData.nextSequenceHandler).toHaveBeenCalledTimes(2);
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expect(sendTrackEvent).toHaveBeenCalledTimes(2);
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expect(sendTrackEvent).toHaveBeenNthCalledWith(2, 'edx.ui.lms.sequence.next_selected', {
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current_tab: unitBlocks.length,
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id: testData.unitId,
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tab_count: unitBlocks.length,
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widget_placement: 'bottom',
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});
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});
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it('navigates to the previous/next unit if the unit is not in the corner of the sequence', () => {
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const unitNumber = 1;
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const testData = {
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...mockData,
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unitId: unitBlocks[unitNumber].id,
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sequenceId: sequenceBlock[0].id,
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unitNavigationHandler: jest.fn(),
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previousSequenceHandler: jest.fn(),
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nextSequenceHandler: jest.fn(),
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};
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render(<Sequence {...testData} />, { store: testStore });
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fireEvent.click(screen.getByRole('button', { name: /previous/i }));
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expect(testData.previousSequenceHandler).not.toHaveBeenCalled();
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expect(testData.unitNavigationHandler).toHaveBeenCalledWith(unitBlocks[unitNumber - 1].id);
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fireEvent.click(screen.getByRole('button', { name: /next/i }));
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expect(testData.nextSequenceHandler).not.toHaveBeenCalled();
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// As `previousSequenceHandler` and `nextSequenceHandler` are mocked, we aren't really changing the position here.
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// Therefore the next unit will still be `the initial one + 1`.
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expect(testData.unitNavigationHandler).toHaveBeenNthCalledWith(2, unitBlocks[unitNumber + 1].id);
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expect(sendTrackEvent).toHaveBeenCalledTimes(2);
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});
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it('handles the `Previous` buttons for the first unit in the first sequence', async () => {
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const testData = {
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...mockData,
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unitId: unitBlocks[0].id,
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sequenceId: sequenceBlock[0].id,
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unitNavigationHandler: jest.fn(),
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previousSequenceHandler: jest.fn(),
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};
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render(<Sequence {...testData} />, { store: testStore });
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loadUnit();
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await waitFor(() => expect(screen.queryByText('Loading learning sequence...')).not.toBeInTheDocument());
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screen.getAllByRole('button', { name: /previous/i }).forEach(button => fireEvent.click(button));
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expect(testData.previousSequenceHandler).not.toHaveBeenCalled();
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expect(testData.unitNavigationHandler).not.toHaveBeenCalled();
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expect(sendTrackEvent).not.toHaveBeenCalled();
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});
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it('handles the `Next` buttons for the last unit in the last sequence', async () => {
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const testData = {
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...mockData,
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unitId: unitBlocks[unitBlocks.length - 1].id,
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sequenceId: sequenceBlock[sequenceBlock.length - 1].id,
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unitNavigationHandler: jest.fn(),
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nextSequenceHandler: jest.fn(),
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};
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render(<Sequence {...testData} />, { store: testStore });
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loadUnit();
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await waitFor(() => expect(screen.queryByText('Loading learning sequence...')).not.toBeInTheDocument());
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screen.getAllByRole('button', { name: /next/i }).forEach(button => fireEvent.click(button));
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expect(testData.nextSequenceHandler).not.toHaveBeenCalled();
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expect(testData.unitNavigationHandler).not.toHaveBeenCalled();
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expect(sendTrackEvent).not.toHaveBeenCalled();
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});
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it('handles the navigation buttons for empty sequence', async () => {
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const testSequenceBlock = [Factory.build(
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'block',
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{ type: 'sequential', children: [unitBlocks.map(block => block.id)] },
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{ courseId: courseMetadata.id },
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), Factory.build(
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'block',
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{ type: 'sequential', children: [] },
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{ courseId: courseMetadata.id },
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), Factory.build(
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'block',
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{ type: 'sequential', children: [unitBlocks.map(block => block.id)] },
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{ courseId: courseMetadata.id },
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)];
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const testSequenceMetadata = testSequenceBlock.map(block => Factory.build(
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'sequenceMetadata',
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{},
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{ courseId: courseMetadata.id, unitBlocks: block.children.length ? unitBlocks : [], sequenceBlock: block },
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));
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const innerTestStore = await initializeTestStore({
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courseMetadata, unitBlocks, sequenceBlock: testSequenceBlock, sequenceMetadata: testSequenceMetadata,
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}, false);
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const testData = {
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...mockData,
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unitId: unitBlocks[0].id,
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sequenceId: testSequenceBlock[1].id,
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unitNavigationHandler: jest.fn(),
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previousSequenceHandler: jest.fn(),
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nextSequenceHandler: jest.fn(),
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};
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render(<Sequence {...testData} />, { store: innerTestStore });
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loadUnit();
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await waitFor(() => expect(screen.queryByText('Loading learning sequence...')).not.toBeInTheDocument());
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screen.getAllByRole('button', { name: /previous/i }).forEach(button => fireEvent.click(button));
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expect(testData.previousSequenceHandler).toHaveBeenCalledTimes(2);
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expect(testData.unitNavigationHandler).not.toHaveBeenCalled();
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screen.getAllByRole('button', { name: /next/i }).forEach(button => fireEvent.click(button));
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expect(testData.nextSequenceHandler).toHaveBeenCalledTimes(2);
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expect(testData.unitNavigationHandler).not.toHaveBeenCalled();
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expect(sendTrackEvent).toHaveBeenNthCalledWith(1, 'edx.ui.lms.sequence.previous_selected', {
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current_tab: 1,
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id: testData.unitId,
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tab_count: 0,
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widget_placement: 'top',
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});
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expect(sendTrackEvent).toHaveBeenNthCalledWith(2, 'edx.ui.lms.sequence.previous_selected', {
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current_tab: 1,
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id: testData.unitId,
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tab_count: 0,
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widget_placement: 'bottom',
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});
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expect(sendTrackEvent).toHaveBeenNthCalledWith(3, 'edx.ui.lms.sequence.next_selected', {
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current_tab: 1,
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id: testData.unitId,
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tab_count: 0,
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widget_placement: 'top',
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});
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expect(sendTrackEvent).toHaveBeenNthCalledWith(4, 'edx.ui.lms.sequence.next_selected', {
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current_tab: 1,
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id: testData.unitId,
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tab_count: 0,
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widget_placement: 'bottom',
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});
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});
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it('handles unit navigation button', () => {
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const currentTabNumber = 1;
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const targetUnitNumber = 2;
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const targetUnit = unitBlocks[targetUnitNumber - 1];
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const testData = {
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...mockData,
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unitId: unitBlocks[currentTabNumber - 1].id,
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sequenceId: sequenceBlock[0].id,
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unitNavigationHandler: jest.fn(),
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};
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render(<Sequence {...testData} />, { store: testStore });
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fireEvent.click(screen.getByRole('button', { name: targetUnit.display_name }));
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expect(testData.unitNavigationHandler).toHaveBeenCalledWith(targetUnit.id);
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expect(sendTrackEvent).toHaveBeenCalledWith('edx.ui.lms.sequence.tab_selected', {
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current_tab: currentTabNumber,
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id: testData.unitId,
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target_tab: targetUnitNumber,
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tab_count: unitBlocks.length,
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widget_placement: 'top',
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});
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});
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});
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});
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