datahub/wherehows-web/tests/unit/constants/datasets/owner-test.js

import { module, test } from 'qunit';
import { updateOwner, confirmOwner, ownerAlreadyExists } from 'wherehows-web/constants/datasets/owner';
import owners from 'wherehows-web/mirage/fixtures/owners';

let testOwners;
let testOwner;

module('Unit | Constants | constants/datasets/owner', {
  beforeEach() {
    testOwners = JSON.parse(JSON.stringify(owners));
    testOwner = testOwners[0];
  }
});

test('updateOwner behaves as expected', function(assert) {
  assert.expect(6);

  assert.ok(typeof updateOwner === 'function', 'exported property updateOwner is a function');

  assert.ok(
    typeof updateOwner() === 'undefined',
    'invoking update owner without arguments is undefined and does not throw'
  );

  const testOwnerConfirmedBy = 'testOwner';
  let result = updateOwner(testOwners, testOwner, 'confirmedBy', testOwnerConfirmedBy);
  let [updatedTestOwner] = result;

  assert.ok(Array.isArray(result), 'invoking updateOwner with expected arguments is an array');

  assert.ok(testOwner !== updatedTestOwner, 'updateOwner does not mutate the original owner reference');

  assert.equal(
    updatedTestOwner.confirmedBy,
    testOwnerConfirmedBy,
    'correctly updates a property on the owner object when a single property is specified'
  );

  testOwner = testOwners[0];
  result = updateOwner(testOwners, testOwner, { confirmedBy: null });
  updatedTestOwner = result[0];

  assert.equal(
    updatedTestOwner.confirmedBy,
    null,
    'correctly updates properties on the owner object when a hash of properties is provided'
  );
});

test('confirmOwner behaves as expected', function(assert) {
  assert.ok(typeof confirmOwner === 'function', 'exported property confirmOwner is a function');
  confirmOwner(testOwner);

  assert.ok(
    testOwner.confirmedBy === null,
    'invoking confirmOwner without a second argument set the confirmedBy attr to null'
  );
  confirmOwner(testOwner, 'testOwner');
  assert.ok(
    testOwner.confirmedBy === 'testOwner',
    'confirmOwner correctly updates to confirmedBy attr when invoked with a string arguments'
  );
});

test('ownerAlreadyExists behaves as expected', function(assert) {
  const [{ userName, source }] = testOwners;

  assert.ok(typeof ownerAlreadyExists === 'function', 'exported property ownerAlreadyExists is a function');

  assert.ok(
    ownerAlreadyExists(testOwners, { userName, source }),
    'ownerAlreadyExists correctly asserts that an owner with userName, source combination already exists'
  );

  assert.notOk(
    ownerAlreadyExists(testOwners, { userName }),
    'ownerAlreadyExists does not assert an owner exists when source is not present'
  );
  assert.notOk(
    ownerAlreadyExists(testOwners, { source }),
    'ownerAlreadyExists does not assert an owner exists when userName is not present'
  );
});