|
| 1 | +'use strict'; |
| 2 | + |
| 3 | +const assert = require('assert'); |
| 4 | +const eslint = require('eslint'); |
| 5 | +const values = require('object.values'); |
| 6 | + |
| 7 | +const Components = require('../../lib/util/Components'); |
| 8 | +const parsers = require('../helpers/parsers'); |
| 9 | + |
| 10 | +const ruleTester = new eslint.RuleTester({ |
| 11 | + parserOptions: { |
| 12 | + ecmaVersion: 2018, |
| 13 | + sourceType: 'module', |
| 14 | + ecmaFeatures: { |
| 15 | + jsx: true, |
| 16 | + }, |
| 17 | + }, |
| 18 | +}); |
| 19 | + |
| 20 | +describe('Components', () => { |
| 21 | + describe('static detect', () => { |
| 22 | + function testComponentsDetect(test, done) { |
| 23 | + const rule = Components.detect((context, components, util) => ({ |
| 24 | + 'Program:exit'() { |
| 25 | + done(context, components, util); |
| 26 | + }, |
| 27 | + })); |
| 28 | + |
| 29 | + const tests = { |
| 30 | + valid: parsers.all([Object.assign({}, test, { |
| 31 | + settings: { |
| 32 | + react: { |
| 33 | + version: 'detect', |
| 34 | + }, |
| 35 | + }, |
| 36 | + })]), |
| 37 | + invalid: [], |
| 38 | + }; |
| 39 | + ruleTester.run(test.code, rule, tests); |
| 40 | + } |
| 41 | + |
| 42 | + it('should detect Stateless Function Component', () => { |
| 43 | + testComponentsDetect({ |
| 44 | + code: `import React from 'react' |
| 45 | + function MyStatelessComponent() { |
| 46 | + return <React.Fragment />; |
| 47 | + }`, |
| 48 | + }, (_context, components) => { |
| 49 | + assert.equal(components.length(), 1, 'MyStatelessComponent should be detected component'); |
| 50 | + values(components.list()).forEach((component) => { |
| 51 | + assert.equal( |
| 52 | + component.node.id.name, |
| 53 | + 'MyStatelessComponent', |
| 54 | + 'MyStatelessComponent should be detected component' |
| 55 | + ); |
| 56 | + }); |
| 57 | + }); |
| 58 | + }); |
| 59 | + |
| 60 | + it('should detect Class Components', () => { |
| 61 | + testComponentsDetect({ |
| 62 | + code: `import React from 'react' |
| 63 | + class MyClassComponent extends React.Component { |
| 64 | + render() { |
| 65 | + return <React.Fragment />; |
| 66 | + } |
| 67 | + }`, |
| 68 | + }, (_context, components) => { |
| 69 | + assert(components.length() === 1, 'MyClassComponent should be detected component'); |
| 70 | + values(components.list()).forEach((component) => { |
| 71 | + assert.equal( |
| 72 | + component.node.id.name, |
| 73 | + 'MyClassComponent', |
| 74 | + 'MyClassComponent should be detected component' |
| 75 | + ); |
| 76 | + }); |
| 77 | + }); |
| 78 | + }); |
| 79 | + }); |
| 80 | +}); |
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