99 lines
2.6 KiB
JavaScript
99 lines
2.6 KiB
JavaScript
/**
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* @jest-environment jsdom
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*/
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import { graphql } from 'gatsby'
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import { createPages } from '../src/gatsby-node.js'
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jest.mock('gatsby', () => ({
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graphql: jest.fn(),
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actions: { createRedirect: jest.fn() }
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}))
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describe('createPages', () => {
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let pluginOptions
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let actions
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let consoleLogSpy
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beforeEach(() => {
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actions = { createRedirect: jest.fn() }
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pluginOptions = { query: 'allMarkdownRemark' }
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consoleLogSpy = jest.spyOn(console, 'log').mockImplementation(() => {})
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})
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afterEach(() => {
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jest.resetAllMocks()
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consoleLogSpy.mockRestore()
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})
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it('should create redirects correctly', async () => {
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graphql.mockReturnValueOnce(
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Promise.resolve({
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data: {
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q: {
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edges: [
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{
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node: {
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fields: { slug: '/post-1/' },
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frontmatter: { redirect_from: ['/old-url-1', '/old-url-2'] }
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}
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}
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]
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}
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}
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})
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)
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await createPages({ graphql, actions }, pluginOptions)
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expect(actions.createRedirect).toHaveBeenCalledTimes(2)
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expect(actions.createRedirect).toHaveBeenCalledWith({
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fromPath: '/old-url-1',
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toPath: '/post-1/',
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isPermanent: true,
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redirectInBrowser: true
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})
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expect(actions.createRedirect).toHaveBeenCalledWith({
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fromPath: '/old-url-2',
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toPath: '/post-1/',
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isPermanent: true,
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redirectInBrowser: true
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})
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})
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it('should use pluginOptions.query when defined', async () => {
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const customQuery = 'someCustomQuery'
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pluginOptions.query = customQuery
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graphql.mockImplementation((queryString) => {
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expect(queryString).toContain(customQuery)
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return Promise.resolve({ data: { q: { edges: [] } } })
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})
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await createPages({ graphql, actions }, pluginOptions)
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})
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it('should default to allMarkdownRemark when pluginOptions.query is undefined', async () => {
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pluginOptions.query = undefined
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graphql.mockImplementation((queryString) => {
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expect(queryString).toContain('allMarkdownRemark')
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return Promise.resolve({ data: { q: { edges: [] } } })
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})
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await createPages({ graphql, actions }, pluginOptions)
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})
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it('should log and reject errors when the GraphQL query fails', async () => {
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graphql.mockReturnValueOnce(
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Promise.resolve({ errors: [{ message: 'GraphQL error' }] })
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)
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try {
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await createPages({ graphql, actions }, pluginOptions)
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} catch (error) {
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expect(console.log).toHaveBeenCalledWith([{ message: 'GraphQL error' }])
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expect(error).toEqual([{ message: 'GraphQL error' }])
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}
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})
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})
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