/**
 * Copyright 2013 Facebook, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @emails javascript@lists.facebook.com voloko@fb.com
 */

describe('ResourceMap', function() {

  var ResourceMap = require('../lib/ResourceMap');
  var Resource = require('../lib/resource/Resource');
  var ProjectConfiguration = require('../lib/resource/ProjectConfiguration');

  it('should intialize from a list', function() {
    var a, b;
    var map = new ResourceMap([
      a = new Resource('a'),
      b = new Resource('b')
    ]);

    expect(map.getResource('Resource', 'a')).toBe(a);
    expect(map.getResource('Resource', 'b')).toBe(b);
    expect(map.getResource('Resource', 'c')).toBe(undefined);
    expect(map.getAllResources()).toEqual([a, b]);
  });

  it('should return elements from empty map', function() {
    var map = new ResourceMap([]);
    expect(map.getResource('JS', 'a')).toBe(undefined);
  });

  it('should add elements', function() {
    var a, b;
    var map = new ResourceMap([
      a = new Resource('a')
    ]);
    map.addResource(b = new Resource('b'));

    expect(map.getResource('Resource', 'b')).toBe(b);
    expect(map.getAllResources()).toEqual([a, b]);
  });

  it('should update elements', function() {
    var a1, a2;
    var map = new ResourceMap([
      a1 = new Resource('a')
    ]);
    map.updateResource(a1, a2 = new Resource('a'));

    expect(map.getResource('Resource', 'a')).toBe(a2);
  });

  it('should remove elements', function() {
    var a, b;
    var map = new ResourceMap([
      a = new Resource('a'),
      b = new Resource('b')
    ]);
    map.removeResource(b);
    expect(map.getResource('Resource', 'b')).toBe(undefined);
    expect(map.getAllResources()).toEqual([a]);
    expect(map.getAllResourcesByType('Resource')).toEqual([a]);
  });

  it('should get all resources by type', function() {
    var a, b, pa, pb;
    var map = new ResourceMap([
      a = new Resource('a'),
      b = new Resource('b'),
      pa = new ProjectConfiguration('pa.json'),
      pb = new ProjectConfiguration('pb.json')
    ]);
    expect(map.getAllResourcesByType('ProjectConfiguration')).toEqual([pa, pb]);
    expect(map.getAllResourcesByType('Resource')).toEqual([a, b]);
  });

  it('should get all resources by type', function() {
    var a, b, pa, pb;
    var map = new ResourceMap([
      a = new Resource('a/a.js'),
      b = new Resource('b/b.js'),
      pa = new ProjectConfiguration('a/package.json', {})
    ]);
    expect(map.getConfigurationByPath(a.path)).toBe(pa);
    pb = new ProjectConfiguration('b/package.json', {});
    map.addResource(pb);
    expect(map.getConfigurationForResource(b)).toBe(pb);
  });
});