datahub/wherehows-web/tests/unit/utils/tracking-headers-test.js

import { module, test } from 'qunit';
import trackingHeaders, { trackingHeaderFieldsRegex } from 'wherehows-web/utils/validators/tracking-headers';
import {
  trackingHeaderList,
  nonTrackingHeaderList
} from 'wherehows-web/tests/helpers/validators/tracking-headers/constants';

module('Unit | Utility | tracking headers');

test('module exports a function', function(assert) {
  assert.expect(1);
  assert.ok(typeof trackingHeaders === 'function');
});

test('tracking headers utils exports a trackingHeaderFieldsRegex regular expression', function(assert) {
  assert.expect(1);
  assert.ok(trackingHeaderFieldsRegex instanceof RegExp);
});

test('it should correctly identify a string tracking header', function(assert) {
  assert.expect(trackingHeaderList.length);
  trackingHeaderList.forEach(candidateHeader =>
    assert.ok(trackingHeaders(candidateHeader), `${candidateHeader} is a tracking header`)
  );
});

test('it should correctly identify a string as NOT a tracking header', function(assert) {
  assert.expect(nonTrackingHeaderList.length);
  nonTrackingHeaderList.forEach(nonCandidate =>
    assert.notOk(trackingHeaders(nonCandidate), `${nonCandidate} is NOT a tracking header`)
  );
});