no-relative-parent-imports.js

import { RuleTester } from 'eslint'
import rule from 'rules/no-relative-parent-imports'
import { test as _test, testFilePath } from '../utils'

const test = def => _test(Object.assign(def, {
  filename: testFilePath('./internal-modules/plugins/plugin2/index.js'),
  parser: 'babel-eslint',
}))

const ruleTester = new RuleTester()

ruleTester.run('no-relative-parent-imports', rule, {
  valid: [
    test({
      code: 'import foo from "./internal.js"',
    }),
    test({
      code: 'import foo from "./app/index.js"',
    }),
    test({
      code: 'import foo from "package"',
    }),
    test({
      code: 'require("./internal.js")',
      options: [{ commonjs: true }],
    }),
    test({
      code: 'require("./app/index.js")',
      options: [{ commonjs: true }],
    }),
    test({
      code: 'require("package")',
      options: [{ commonjs: true }],
    }),
    test({
      code: 'import("./internal.js")',
    }),
    test({
      code: 'import("./app/index.js")',
    }),
    test({
      code: 'import("package")',
    }),
  ],

  invalid: [
    test({
      code: 'import foo from "../plugin.js"',
      errors: [ {
        message: 'Relative imports from parent directories are not allowed. Please either pass what you\'re importing through at runtime (dependency injection), move `index.js` to same directory as `../plugin.js` or consider making `../plugin.js` a package.',
        line: 1,
        column: 17,
      } ],
    }),
    test({
      code: 'require("../plugin.js")',
      options: [{ commonjs: true }],
      errors: [ {
        message: 'Relative imports from parent directories are not allowed. Please either pass what you\'re importing through at runtime (dependency injection), move `index.js` to same directory as `../plugin.js` or consider making `../plugin.js` a package.',
        line: 1,
        column: 9,
      } ],
    }),
    test({
      code: 'import("../plugin.js")',
      errors: [ {
        message: 'Relative imports from parent directories are not allowed. Please either pass what you\'re importing through at runtime (dependency injection), move `index.js` to same directory as `../plugin.js` or consider making `../plugin.js` a package.',
        line: 1,
        column: 8,
      } ],
    }),
  ],
})