gr-opacity-diff-mode/gr-opacity-diff-mode_test.html - plugins/image-diff - Git at Google

 <!DOCTYPE html>
 <!--
 @license
 Copyright (C) 2018 The Android Open Source Project
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
 http://www.apache.org/licenses/LICENSE-2.0
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
 <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);
     });

     suite('size scaling', () => {
       test('base image larger', () => {
         element.baseImage = {
           _width: 200,
           _height: 300,
         };
         element.revisionImage = {
           _width: 100,
           _height: 90,
         };
         assert.equal(element.customStyle['--img-width'], undefined);
         assert.equal(element.customStyle['--img-height'], undefined);
         element.$.scaleSizesToggle.checked = true;
         element.handleScaleSizesToggle();
         flushAsynchronousOperations();
         assert.equal(element.customStyle['--img-width'], '200px');
         assert.equal(element.customStyle['--img-height'], '300px');
       });

       test('revisionImage larger', () => {
         element.baseImage = {
           _width: 200,
           _height: 300,
         };
         element.revisionImage = {
           _width: 400,
           _height: 500,
         };
         assert.equal(element.customStyle['--img-width'], null);
         assert.equal(element.customStyle['--img-height'], null);
         element.$.scaleSizesToggle.checked = true;
         element.handleScaleSizesToggle();
         flushAsynchronousOperations();
         assert.equal(element.customStyle['--img-width'], '400px');
         assert.equal(element.customStyle['--img-height'], '500px');
       });

       test('bigger base width, smaller base height', () => {
         element.baseImage = {
           _width: 200,
           _height: 300,
         };
         element.revisionImage = {
           _width: 140,
           _height: 400,
         };
         assert.equal(element.customStyle['--img-width'], null);
         assert.equal(element.customStyle['--img-height'], null);
         element.$.scaleSizesToggle.checked = true;
         element.handleScaleSizesToggle();
         flushAsynchronousOperations();
         assert.equal(element.customStyle['--img-width'], '200px');
         assert.equal(element.customStyle['--img-height'], '400px');
       });
     });
   });
 </script>
	<!DOCTYPE html>
	<!--
	@license
	Copyright (C) 2018 The Android Open Source Project
	Licensed under the Apache License, Version 2.0 (the "License");
	you may not use this file except in compliance with the License.
	You may obtain a copy of the License at
	http://www.apache.org/licenses/LICENSE-2.0
	Unless required by applicable law or agreed to in writing, software
	distributed under the License is distributed on an "AS IS" BASIS,
	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	See the License for the specific language governing permissions and
	limitations under the License.
	-->
	<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);
	});

	suite('size scaling', () => {
	test('base image larger', () => {
	element.baseImage = {
	_width: 200,
	_height: 300,
	};
	element.revisionImage = {
	_width: 100,
	_height: 90,
	};
	assert.equal(element.customStyle['--img-width'], undefined);
	assert.equal(element.customStyle['--img-height'], undefined);
	element.$.scaleSizesToggle.checked = true;
	element.handleScaleSizesToggle();
	flushAsynchronousOperations();
	assert.equal(element.customStyle['--img-width'], '200px');
	assert.equal(element.customStyle['--img-height'], '300px');
	});

	test('revisionImage larger', () => {
	element.baseImage = {
	_width: 200,
	_height: 300,
	};
	element.revisionImage = {
	_width: 400,
	_height: 500,
	};
	assert.equal(element.customStyle['--img-width'], null);
	assert.equal(element.customStyle['--img-height'], null);
	element.$.scaleSizesToggle.checked = true;
	element.handleScaleSizesToggle();
	flushAsynchronousOperations();
	assert.equal(element.customStyle['--img-width'], '400px');
	assert.equal(element.customStyle['--img-height'], '500px');
	});

	test('bigger base width, smaller base height', () => {
	element.baseImage = {
	_width: 200,
	_height: 300,
	};
	element.revisionImage = {
	_width: 140,
	_height: 400,
	};
	assert.equal(element.customStyle['--img-width'], null);
	assert.equal(element.customStyle['--img-height'], null);
	element.$.scaleSizesToggle.checked = true;
	element.handleScaleSizesToggle();
	flushAsynchronousOperations();
	assert.equal(element.customStyle['--img-width'], '200px');
	assert.equal(element.customStyle['--img-height'], '400px');
	});
	});
	});
	</script>