|
| 1 | +jest.mock(`fs`) |
| 2 | + |
| 3 | +const resolveModuleExports = require(`../resolve-module-exports`) |
| 4 | +let resolver |
| 5 | + |
| 6 | +describe(`Resolve module exports`, () => { |
| 7 | + const MOCK_FILE_INFO = { |
| 8 | + "/bad/file": `const exports.blah = () = }}}`, |
| 9 | + "/simple/export": `exports.foo = '';`, |
| 10 | + "/multiple/export": `exports.bar = () => ''; exports.baz = {}; exports.foo = '';`, |
| 11 | + "/import/with/export": `import React from 'react'; exports.baz = '';`, |
| 12 | + "/realistic/export": ` |
| 13 | + /* eslint-disable react/prop-types */ |
| 14 | + /* globals window CustomEvent */ |
| 15 | + import React, { createElement } from "react" |
| 16 | + import { Transition } from "react-transition-group" |
| 17 | + import createHistory from "history/createBrowserHistory" |
| 18 | +
|
| 19 | + import getTransitionStyle from "./src/utils/getTransitionStyle" |
| 20 | +
|
| 21 | + const timeout = 250 |
| 22 | + const historyExitingEventType = 'history::exiting' |
| 23 | +
|
| 24 | + const getUserConfirmation = (pathname, callback) => { |
| 25 | + const event = new CustomEvent(historyExitingEventType, { detail: { pathname } }) |
| 26 | + window.dispatchEvent(event) |
| 27 | + setTimeout(() => { |
| 28 | + callback(true) |
| 29 | + }, timeout) |
| 30 | + } |
| 31 | + const history = createHistory({ getUserConfirmation }) |
| 32 | + // block must return a string to conform |
| 33 | + history.block((location, action) => location.pathname) |
| 34 | + exports.replaceHistory = () => history |
| 35 | +
|
| 36 | + class ReplaceComponentRenderer extends React.Component { |
| 37 | + constructor(props) { |
| 38 | + super(props) |
| 39 | + this.state = { exiting: false, nextPageResources: {} } |
| 40 | + this.listenerHandler = this.listenerHandler.bind(this) |
| 41 | + } |
| 42 | +
|
| 43 | + listenerHandler(event) { |
| 44 | + const nextPageResources = this.props.loader.getResourcesForPathname( |
| 45 | + event.detail.pathname, |
| 46 | + nextPageResources => this.setState({ nextPageResources }) |
| 47 | + ) || {} |
| 48 | + this.setState({ exiting: true, nextPageResources }) |
| 49 | + } |
| 50 | +
|
| 51 | + componentDidMount() { |
| 52 | + window.addEventListener(historyExitingEventType, this.listenerHandler) |
| 53 | + } |
| 54 | +
|
| 55 | + componentWillUnmount() { |
| 56 | + window.removeEventListener(historyExitingEventType, this.listenerHandler) |
| 57 | + } |
| 58 | +
|
| 59 | + componentWillReceiveProps(nextProps) { |
| 60 | + if (this.props.location.key !== nextProps.location.key) { |
| 61 | + this.setState({ exiting: false, nextPageResources: {} }) |
| 62 | + } |
| 63 | + } |
| 64 | +
|
| 65 | + render() { |
| 66 | + const transitionProps = { |
| 67 | + timeout: { |
| 68 | + enter: 0, |
| 69 | + exit: timeout, |
| 70 | + }, |
| 71 | + appear: true, |
| 72 | + in: !this.state.exiting, |
| 73 | + key: this.props.location.key, |
| 74 | + } |
| 75 | + return ( |
| 76 | + <Transition {...transitionProps}> |
| 77 | + { |
| 78 | + (status) => createElement(this.props.pageResources.component, { |
| 79 | + ...this.props, |
| 80 | + ...this.props.pageResources.json, |
| 81 | + transition: { |
| 82 | + status, |
| 83 | + timeout, |
| 84 | + style: getTransitionStyle({ status, timeout }), |
| 85 | + nextPageResources: this.state.nextPageResources, |
| 86 | + }, |
| 87 | + }) |
| 88 | + } |
| 89 | + </Transition> |
| 90 | + ) |
| 91 | + } |
| 92 | + } |
| 93 | +
|
| 94 | + // eslint-disable-next-line react/display-name |
| 95 | + exports.replaceComponentRenderer = ({ props, loader }) => { |
| 96 | + if (props.layout) { |
| 97 | + return undefined |
| 98 | + } |
| 99 | + return createElement(ReplaceComponentRenderer, { ...props, loader }) |
| 100 | + } |
| 101 | + `, |
| 102 | + } |
| 103 | + |
| 104 | + beforeEach(() => { |
| 105 | + resolver = jest.fn(arg => arg) |
| 106 | + require(`fs`).__setMockFiles(MOCK_FILE_INFO) |
| 107 | + }) |
| 108 | + |
| 109 | + it(`Returns empty array for file paths that don't exist`, () => { |
| 110 | + const result = resolveModuleExports(`/file/path/does/not/exist`) |
| 111 | + expect(result).toEqual([]) |
| 112 | + }) |
| 113 | + |
| 114 | + it(`Returns empty array for directory paths that don't exist`, () => { |
| 115 | + const result = resolveModuleExports(`/directory/path/does/not/exist/`) |
| 116 | + expect(result).toEqual([]) |
| 117 | + }) |
| 118 | + |
| 119 | + it(`Returns empty array for invalid JavaScript`, () => { |
| 120 | + const result = resolveModuleExports(`/bad/file`) |
| 121 | + expect(result).toEqual([]) |
| 122 | + }) |
| 123 | + |
| 124 | + it(`Resolves an export`, () => { |
| 125 | + const result = resolveModuleExports(`/simple/export`, resolver) |
| 126 | + expect(result).toEqual([`foo`]) |
| 127 | + }) |
| 128 | + |
| 129 | + it(`Resolves multiple exports`, () => { |
| 130 | + const result = resolveModuleExports(`/multiple/export`, resolver) |
| 131 | + expect(result).toEqual([`bar`, `baz`, `foo`]) |
| 132 | + }) |
| 133 | + |
| 134 | + it(`Resolves an export from an ES6 file`, () => { |
| 135 | + const result = resolveModuleExports(`/import/with/export`, resolver) |
| 136 | + expect(result).toEqual([`baz`]) |
| 137 | + }) |
| 138 | + |
| 139 | + it(`Resolves exports from a larger file`, () => { |
| 140 | + const result = resolveModuleExports(`/realistic/export`, resolver) |
| 141 | + expect(result).toEqual([`replaceHistory`, `replaceComponentRenderer`]) |
| 142 | + }) |
| 143 | +}) |
0 commit comments