eslint-plugin-jest/lib/rules/__tests__/prefer-strict-equal.test.js

Eslint rules for Jest

'use strict';

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

const rule = require('../prefer-strict-equal');

const ruleTester = new RuleTester();
ruleTester.run('prefer-strict-equal', rule, {
  valid: ['expect(something).toStrictEqual(somethingElse);', "a().toEqual('b')"],
  invalid: [{
    code: 'expect(something).toEqual(somethingElse);',
    errors: [{
      messageId: 'useToStrictEqual',
      column: 19,
      line: 1
    }],
    output: 'expect(something).toStrictEqual(somethingElse);'
  }]
});