eslint-plugin-jest/lib/rules/__tests__/no-jest-import.test.js

Eslint rules for Jest

'use strict';

const rule = require('../no-jest-import.js');

const _require = require('eslint'),
      RuleTester = _require.RuleTester;

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'
    }]
  }]
});