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no-jest-import.test.js
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no-jest-import.test.js
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import { RuleTester } from 'eslint';
import rule from '../no-jest-import';
const ruleTester = new RuleTester();
ruleTester.run('no-jest-import', rule, {
valid: [
{
code: 'import something from "something"',
parserOptions: { sourceType: 'module' },
},
'require("somethingElse")',
'require()',
'entirelyDifferent(fn)',
],
invalid: [
{
code: 'require("jest")',
errors: [{ endColumn: 15, column: 9, messageId: 'unexpectedImport' }],
},
{
code: 'import jest from "jest"',
parserOptions: { sourceType: 'module' },
errors: [{ endColumn: 24, column: 1, messageId: 'unexpectedImport' }],
},
{
code: 'var jest = require("jest")',
errors: [{ endColumn: 26, column: 20, messageId: 'unexpectedImport' }],
},
{
code: 'import {jest as test} from "jest"',
parserOptions: { sourceType: 'module' },
errors: [{ endColumn: 34, column: 1, messageId: 'unexpectedImport' }],
},
{
code: 'const jest = require("jest")',
parserOptions: { sourceType: 'module' },
errors: [{ endColumn: 28, column: 22, messageId: 'unexpectedImport' }],
},
],
});