paths.js

const expect = require('chai').expect;

const path = require('path');
const node = require('../index.js');

describe('paths', function () {
  it('handles base path relative to CWD', function () {
    expect(node.resolve('../', './test/file.js'))
      .to.have.property('path')
      .equal(path.resolve(__dirname, '../index.js'));
  });
});


describe('core', function () {
  it('returns found, but null path, for core Node modules', function () {
    const resolved = node.resolve('fs', './test/file.js');
    expect(resolved).has.property('found', true);
    expect(resolved).has.property('path', null);
  });
});


describe('default options', function () {

  it('finds .json files', function () {
    expect(node.resolve('./data', './test/file.js'))
      .to.have.property('path')
      .equal(path.resolve(__dirname, './data.json'));
  });

  it("ignores .json files if 'extensions' is redefined", function () {
    expect(node.resolve('./data', './test/file.js', { extensions: ['.js'] }))
      .to.have.property('found', false);
  });

  it('finds mjs modules, with precedence over .js', function () {
    expect(node.resolve('./native', './test/file.js'))
      .to.have.property('path')
      .equal(path.resolve(__dirname, './native.mjs'));
  });

  it('finds .node modules, with lowest precedence', function () {
    expect(node.resolve('./native.node', './test/file.js'))
      .to.have.property('path')
      .equal(path.resolve(__dirname, './native.node'));
  });

  it('finds .node modules', function () {
    expect(node.resolve('./dot-node', './test/file.js'))
      .to.have.property('path')
      .equal(path.resolve(__dirname, './dot-node.node'));
  });

  it('still finds .js if explicit', function () {
    expect(node.resolve('./native.js', './test/file.js'))
      .to.have.property('path')
      .equal(path.resolve(__dirname, './native.js'));
  });
});