@bigtest/mirage/tests/integration/serializers/base/override-serialize-test.js

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import { Serializer, SerializerRegistry } from '@bigtest/mirage';
import schemaHelper from '../schema-helper';
import { module, test } from 'qunit';

module('Integration | Serializers | Base | Overriding Serialize', {
  beforeEach() {
    this.schema = schemaHelper.setup();
  },
  afterEach() {
    this.schema.db.emptyData();
  }
});

test(`it can use a completely custom serialize function`, function(assert) {
  this.registry = new SerializerRegistry(this.schema, {
    wordSmith: Serializer.extend({
      serialize() {
        return 'blah';
      }
    })
  });

  let wordSmith = this.schema.wordSmiths.create({
    id: 1,
    title: 'Link'
  });

  let result = this.registry.serialize(wordSmith);

  assert.deepEqual(result, 'blah');
});

test(`it can access the request in a custom serialize function`, function(assert) {
  this.registry = new SerializerRegistry(this.schema, {
    wordSmith: Serializer.extend({
      serialize(response, request) {
        return request.queryParams.foo || 'blah';
      }
    })
  });

  let wordSmith = this.schema.wordSmiths.create({
    id: 1,
    title: 'Link'
  });

  let request = { url: '/word-smiths/1?foo=bar', params: { id: '1' }, queryParams: { foo: 'bar' } };
  let result = this.registry.serialize(wordSmith, request);

  assert.deepEqual(result, 'bar');
});

test(`it can access the databse while in a serializer method`, function(assert) {
  this.registry = new SerializerRegistry(this.schema, {
    wordSmith: Serializer.extend({
      serialize(response, request) {
        let id = request.params.id;
        return this.schema.db.wordSmiths.find(id).title || 'No title';
      }
    })
  });

  let wordSmith = this.schema.wordSmiths.create({
    id: 1,
    title: 'Title in database'
  });

  let request = { url: '/word-smiths/1?foo=bar', params: { id: '1' }, queryParams: { foo: 'bar' } };
  let result = this.registry.serialize(wordSmith, request);

  assert.deepEqual(result, 'Title in database');
});