no-test-import-export.md

ember/no-test-import-export

💼 This rule is enabled in the ✅ recommended config.

No importing of test files.

TL;DR Do not import from a test file (a file ending in "-test.js") in another test file. Doing so will cause the module and tests from the imported file to be executed again. Similarly, test files should not have any exports.

Due to how qunit unloads a test module, importing a test file will cause any modules and tests within the file to be executed every time it gets loaded. If you want to import any helper functions or tests to be shared between multiple test files, please make it a test-helper that gets imported by the test file.

Examples

Examples of incorrect code for this rule:

import setupModule from './some-other-test';
import { module, test } from 'qunit';

module('Acceptance | module', setupModule());

import { beforeEachSetup, testMethod } from './some-other-test';
import { module, test } from 'qunit';

module('Acceptance | module', beforeEachSetup());

import testModule from '../../test-dir/another-test';
import { module, test } from 'qunit';

module('Acceptance | module', testModule());

// some-test.js
export function beforeEachSetup() {}

// some-test.js
function beforeEachSetup() {}

export default { beforeEachSetup };

Examples of correct code for this rule:

import setupModule from './some-test-helper';
import { module, test } from 'qunit';

module('Acceptance | module', setupModule());

// some-test-helper.js
export function beforeEachSetup() {
  // ...
}

// some-test-helper.js
function beforeEachSetup() {}

export default { beforeEachSetup };

// Any imports from `tests/helpers` are allowed.
import { setupApplicationTest } from 'tests/helpers/setup-application-test';

// Any exports from `tests/helpers` are allowed.
// tests/helpers/setup-application-test.js
export default function setupApplicationTest() {}