BotFramework-WebChat/__tests__/html2/autoScroll/autoScroll.snap.default.html at b1408ce528fbf533fc24e36d7294aff5a23acd27 · microsoft/BotFramework-WebChat · GitHub

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<!DOCTYPE html>
<html lang="en-US">
  <head>
    <link href="/assets/index.css" rel="stylesheet" type="text/css" />
    <script crossorigin="anonymous" src="/test-harness.js"></script>
    <script crossorigin="anonymous" src="/test-page-object.js"></script>
    <script crossorigin="anonymous" src="/__dist__/webchat-es5.js"></script>
    <style type="text/css">
      .webchat__basic-transcript__activity.webchat__basic-transcript__activity--acknowledged {
        background-color: Cyan;
      }

      .webchat__basic-transcript__activity:not(.webchat__basic-transcript__activity--acknowledged) {
        background-color: Orange;
      }
    </style>
  </head>
  <body>
    <main id="webchat"></main>
    <script>
      const directLine = testHelpers.createDirectLineWithTranscript([createActivity(20)]);
      const store = testHelpers.createStore();

      let now = +new Date(2020, 0, 23, 12, 34);

      function createActivity(numLines) {
        return {
          from: { role: 'bot' },
          id: Math.random().toString(36).substr(2, 5),
          text: new Array(numLines)
            .fill()
            .map((_, index) => `Line ${index + 1}`)
            .join('\n\n'),
          timestamp: new Date().toISOString(),
          type: 'message'
        };
      }

      function addDummyActivitiesToDirectLine(numLines) {
        directLine.activityDeferredObservable.next(createActivity(numLines));
      }

      function numActivitiesByAcknowledgement() {
        const { length: numActivities } = document.querySelectorAll('.webchat__basic-transcript__activity');

        const { length: numAcknowledged } = document.querySelectorAll(
          '.webchat__basic-transcript__activity--acknowledged'
        );

        return {
          acknowledged: numAcknowledged,
          unacknowledged: numActivities - numAcknowledged
        };
      }

      run(async function () {
        const webChatElement = document.getElementById('webchat');

        WebChat.renderWebChat(
          {
            directLine,
            store,
            styleOptions: { subtle: 'Black' }
          },
          webChatElement
        );

        await pageConditions.uiConnected();

        addDummyActivitiesToDirectLine(10);

        await pageConditions.minNumActivitiesShown(2);
        await pageConditions.scrollStabilized();

        await pageObjects.sendMessageViaSendBox('Hello, World!');

        await pageConditions.minNumActivitiesShown(3);
        await pageConditions.scrollStabilized();

        const scrollable = document.querySelector('.webchat__basic-transcript__scrollable');

        expect(scrollable.scrollTop).toBe(
          scrollable.scrollHeight - scrollable.offsetHeight,
          'scrollable should be at bottom'
        );

        addDummyActivitiesToDirectLine(40);

        await pageConditions.minNumActivitiesShown(4);
        await pageConditions.scrollStabilized();

        expect(Math.abs(scrollable.scrollTop - (scrollable.scrollHeight - scrollable.offsetHeight)) < 1).toBe(
          true,
          'scrollable should be at bottom'
        );

        await host.snapshot('local');
      });
    </script>
  </body>
</html>