Function populateDatabase

tests/features/dataloader/dataloader.test.ts:162–214

(em: MikroORM['em'])

}

async function populateDatabase(em: MikroORM['em']) {
  const authors = [
    new Author({ id: 1, name: 'a', age: 31, email: 'a@a.com' }),
    new Author({ id: 2, name: 'b', age: 47, email: 'b@b.com' }),
    new Author({ id: 3, name: 'c', age: 26, email: 'c@c.com' }),
    new Author({ id: 4, name: 'd', age: 87, email: 'd@d.com' }),
    new Author({ id: 5, name: 'e', age: 39, email: 'e@e.com' }),
  ];
  authors[0].friends.add([authors[1], authors[3], authors[4]]);
  authors[1].friends.add([authors[0]]);
  authors[2].friends.add([authors[3]]);
  authors[3].friends.add([authors[0], authors[2]]);
  authors[4].friends.add([authors[0]]);
  authors[0].buddies.add([authors[1], authors[3], authors[4]]);
  authors[1].buddies.add([authors[0]]);
  authors[2].buddies.add([authors[3]]);
  authors[3].buddies.add([authors[0], authors[2]]);
  authors[4].buddies.add([authors[0]]);
  em.persist(authors);

  const chats = [
    new Chat({ owner: authors[0], recipient: authors[1] }),
    new Chat({ owner: authors[0], recipient: authors[2] }),
    new Chat({ owner: authors[0], recipient: authors[4] }),
    new Chat({ owner: authors[2], recipient: authors[0] }),
  ];
  chats[0].messages.add([new Message({ content: 'A1' }), new Message({ content: 'A2' })]);
  chats[1].messages.add([new Message({ content: 'B1' }), new Message({ content: 'B2' })]);
  chats[3].messages.add([new Message({ content: 'C1' })]);
  em.persist(chats);

  const publishers = [new Publisher({ id: 1, name: 'AAA' }), new Publisher({ id: 2, name: 'BBB' })];
  em.persist(publishers);

  const books = [
    new Book({ id: 1, title: 'One', author: authors[0] }),
    new Book({ id: 2, title: 'Two', author: authors[0] }),
    new Book({ id: 3, title: 'Three', author: authors[1] }),
    new Book({ id: 4, title: 'Four', author: authors[2] }),
    new Book({ id: 5, title: 'Five', author: authors[2] }),
    new Book({ id: 6, title: 'Six', author: authors[2] }),
  ];
  books[0].publisher = ref(publishers[0]);
  books[1].publisher = ref(publishers[1]);
  books[2].publisher = ref(publishers[1]);
  books[3].publisher = ref(publishers[1]);
  books[4].publisher = ref(publishers[1]);
  books[5].publisher = ref(publishers[1]);
  em.persist(books);

  await em.flush();
  em.clear();
}

function getReferences(em: MikroORM['em']): Ref<any>[] {
  const forkedEm = em.fork();