@bigtest/mirage/tests/integration/orm/mixed/2-many-to-one/_helper.js

A client-side server to develop, test and prototype your app.

import { Model, hasMany, belongsTo, Db, Schema } from '@bigtest/mirage';
/*
  A model with a hasMany association can be in eight states
  with respect to its association. This helper class
  returns a parent (and its children) in these various states.

  The return value is an array of the form

    [ parent, [child1, child2...] ]

  where the children array may be empty.
*/
export default class Helper {
  constructor() {
    this.db = new Db();

    this.schema = new Schema(this.db, {
      user: Model.extend({
        posts: hasMany()
      }),
      post: Model.extend({
        user: belongsTo()
      })
    });
  }

  savedChildNoParent() {
    let post = this.db.posts.insert({ title: 'Lorem' });

    return [ this.schema.posts.find(post.id), null ];
  }

  savedChildNewParent() {
    let post = this.schema.posts.create({ title: 'Lorem' });
    let user = this.schema.users.new({ name: 'Link' });

    post.user = user;

    return [ post, user ];
  }

  savedChildSavedParent() {
    let { schema } = this;
    schema.db.loadData({
      posts: [
        { id: '1', title: 'Lorem', userId: '1' }
      ],
      users: [
        { id: '1', name: 'Link', postIds: ['1'] }
      ]
    });

    return [ schema.posts.find(1), schema.users.find(1) ];
  }

  newChildNoParent() {
    let post = this.schema.posts.new({ title: 'Lorem' });

    return [ post, null ];
  }

  newChildNewParent() {
    let post = this.schema.posts.new({ title: 'Lorem' });
    let user = this.schema.users.new({ name: 'Link' });

    post.user = user;

    return [ post, user ];
  }

  newChildSavedParent() {
    let post = this.schema.posts.create({ title: 'Lorem' });
    let user = this.schema.users.new({ name: 'Link' });

    post.user = user;

    return [ post, user ];
  }

  // Unassociated models
  savedParent() {
    let insertedUser = this.db.users.insert({ name: 'Link' });

    return this.schema.users.find(insertedUser.id);
  }

  newParent() {
    return this.schema.users.new({ name: 'Link' });
  }
}

export const states = [
  'savedChildNoParent',
  'savedChildNewParent',
  'savedChildSavedParent',
  'newChildNoParent',
  'newChildNewParent',
  'newChildSavedParent'
];