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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-opacity-diff-mode</title>
<link rel="import" href="../node_modules/polymer/polymer.html">
<link rel="import" href="../node_modules/@polymer/test-fixture/test-fixture.html">
<link rel="import" href="../node_modules/iron-test-helpers/iron-test-helpers.html">
<link rel="import" href="./gr-opacity-diff-mode.html">
<script>void(0);</script>
<script src="../node_modules/webcomponents.js/webcomponents-lite.min.js"></script>
<script src="../node_modules/web-component-tester/browser.js"></script>
<script src="../node_modules/@polymer/sinonjs/sinon.js"></script>
<test-fixture id='opacity-diff-fixture'>
<template>
<gr-opacity-diff-mode></gr-opacity-diff-mode>
</template>
</test-fixture>
<script>
suite('gr-opacity-diff-tool tests', () => {
let element;
setup(() => {
stub('gr-opacity-diff-mode', {
attached() {},
});
element= fixture('opacity-diff-fixture');
});
test('slider changes opacity of image', () => {
const arrayOfNumbers = [0.73, 0.5, 0.0];
arrayOfNumbers.forEach(number => {
assert.notEqual(element.customStyle['--my-opacity-value'], number);
element.$.opacitySlider.value = number;
element.handleOpacityChange();
assert.equal(element.customStyle['--my-opacity-value'], number);
});
});
test('create the src string for images', () => {
element.revisionImage = {
type: 'IMG/src',
body: 'Zx3Cgffk=',
};
const expectedOutcome = 'data:IMG/src;base64, Zx3Cgffk=';
assert.equal(element.computeSrcString(element.revisionImage),
expectedOutcome);
});
});
</script>