test_moz_five_star.html

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<!DOCTYPE HTML>

<html>

<head>

  <meta charset="utf-8">

  <title>MozFiveStar Tests</title>

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>

  <script type="module" src="chrome://global/content/elements/moz-five-star.mjs"></script>

</head>

<body>

<p id="display"></p>

<div id="content" style="max-width: fit-content">

  <moz-five-star label="Label" rating="2.5"></moz-five-star>

</div>

<pre id="test">

  <script class="testbody" type="application/javascript">

    const { BrowserTestUtils } = ChromeUtils.importESModule("resource://testing-common/BrowserTestUtils.sys.mjs");

    add_task(async function testMozFiveStar() {

      const mozFiveStar = document.querySelector("moz-five-star");

      ok(mozFiveStar, "moz-five-star is rendered");

      const stars = mozFiveStar.starEls;

      ok(stars, "moz-five-star has stars");

      is(stars.length, 5, "moz-five-star stars count is 5");

      const rating = mozFiveStar.rating;

      ok(rating, "moz-five-star has a rating");

      is(rating, 2.5, "moz-five-star rating is 2.5");

});

    add_task(async function testMozFiveStarsDisplay() {

      const mozFiveStar = document.querySelector("moz-five-star");

      ok(mozFiveStar, "moz-five-star is rendered");

      async function testRating(rating, ratingRounded, expectation) {

        mozFiveStar.rating = rating;

        await mozFiveStar.updateComplete;

        if (mozFiveStar.ownerDocument.hasPendingL10nMutations) {

          await BrowserTestUtils.waitForEvent(

            mozFiveStar.ownerDocument,

            "L10nMutationsFinished"

);

        let starsString = Array.from(mozFiveStar.starEls)

          .map(star => star.getAttribute("fill"))

          .join(",");

        is(starsString, expectation, `Rendering of rating ${rating}`);

is(

          mozFiveStar.starsWrapperEl.title,

          `Rated ${ratingRounded} out of 5`,

          "Rendered title must contain at most one fractional digit"

);

        let isImage = mozFiveStar.starsWrapperEl.getAttribute("role") == "img"

          || mozFiveStar.starsWrapperEl.getAttribute("role") == "image";

ok(

          isImage,

          "Rating element is an image for the title to be announced"

);

      await testRating(0.0, "0", "empty,empty,empty,empty,empty");

      await testRating(0.249, "0.2", "empty,empty,empty,empty,empty");

      await testRating(0.25, "0.3", "half,empty,empty,empty,empty");

      await testRating(0.749, "0.7", "half,empty,empty,empty,empty");

      await testRating(0.99, "1", "full,empty,empty,empty,empty");

      await testRating(1.0, "1", "full,empty,empty,empty,empty");

      await testRating(2, "2", "full,full,empty,empty,empty");

      await testRating(3.0, "3", "full,full,full,empty,empty");

      await testRating(4.001, "4", "full,full,full,full,empty");

      await testRating(4.249, "4.2", "full,full,full,full,empty");

      await testRating(4.25, "4.3", "full,full,full,full,half");

      await testRating(4.749, "4.7", "full,full,full,full,half");

      await testRating(4.89, "4.9", "full,full,full,full,full");

      await testRating(5.0, "5", "full,full,full,full,full");

});

  </script>

</pre>

</body>

</html>