events.test.ts

/*
 * Copyright (c) 2021 Snowplow Analytics Ltd, 2010 Anthon Pang
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
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 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
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 *    this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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import { addTracker, SharedState } from '@snowplow/browser-tracker-core';
import F from 'lodash/fp';
import { LinkClickTrackingPlugin, trackLinkClick } from '../src';

const getUEEvents = F.compose(F.filter(F.compose(F.eq('ue'), F.get('evt.e'))));
const extractEventProperties = F.map(F.compose(F.get('data'), (cx: string) => JSON.parse(cx), F.get('evt.ue_pr')));
const extractUeEvent = (schema: string) => {
  return {
    from: F.compose(
      F.first,
      F.filter(F.compose(F.eq(schema), F.get('schema'))),
      F.flatten,
      extractEventProperties,
      getUEEvents
    ),
  };
};

describe('AdTrackingPlugin', () => {
  const state = new SharedState();
  addTracker('sp1', 'sp1', 'js-3.0.0', '', state, {
    stateStorageStrategy: 'cookie',
    encodeBase64: false,
    plugins: [LinkClickTrackingPlugin()],
  });

  it('trackLinkClick adds the expected link click event to the queue', () => {
    trackLinkClick({
      targetUrl: 'https://www.example.com',
      elementClasses: ['class-1', 'class-2'],
      elementContent: 'content-1',
      elementId: 'id-1234',
      elementTarget: '_blank',
    });

    expect(
      extractUeEvent('iglu:com.snowplowanalytics.snowplow/link_click/jsonschema/1-0-1').from(state.outQueues[0])
    ).toMatchObject({
      schema: 'iglu:com.snowplowanalytics.snowplow/link_click/jsonschema/1-0-1',
      data: {
        targetUrl: 'https://www.example.com',
        elementClasses: ['class-1', 'class-2'],
        elementContent: 'content-1',
        elementId: 'id-1234',
        elementTarget: '_blank',
      },
    });
  });
});