'use strict';

require('../__util__/test-init');

const chai = require('chai');
chai.Assertion.includeStack = true;
require('chai').should();
const expect = require('chai').expect;

var nodeRequire = require('../../node-require');

function testNodeRequireInstall(options, expected) {
    let requireObj = {
        extensions: {}
    };

    options.require = requireObj;

    nodeRequire.install(options);

    for (let i = 0; i < expected.length; i++) {
        let ext = expected[i];
        expect(requireObj.extensions[ext]).to.be.a('function');
    }

    expected.sort();

    var actualKeys = Object.keys(requireObj.extensions).sort();
    expect(expected).to.deep.equal(actualKeys);
}

describe('node-require', function () {

    it('should consolidate using both extension and extensions', function () {
        testNodeRequireInstall({
            extension: '.marko.xml',
            extensions: ['.marko', '.html']
        }, ['.marko.xml', '.marko', '.html']);
    });

    it('should consolidate using only extensions', function () {
        testNodeRequireInstall({
            extensions: ['.marko', '.html']
        }, ['.marko', '.html']);
    });

    it('should consolidate using only extension', function () {
        testNodeRequireInstall({
            extension: '.marko.xml'
        }, ['.marko.xml']);
    });

    it('should consolidate using extension and empty array of extensions', function () {
        testNodeRequireInstall({
            extension: '.marko.xml',
            extensions: []
        }, ['.marko.xml']);
    });

    it('should consolidate with .marko when neither extension or extensions provided', function () {
        testNodeRequireInstall({}, ['.marko']);
    });

    it('should insert missing period into extensions', function () {
        testNodeRequireInstall({
            extension: 'marko.xml',
            extensions: ['html']
        }, ['.marko.xml', '.html']);
    });
});