diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/data/html/test-dom-text-scanner.html | 393 | ||||
-rw-r--r-- | test/data/html/test-stylesheet.css | 12 | ||||
-rw-r--r-- | test/test-dom-text-scanner.js | 181 |
3 files changed, 583 insertions, 3 deletions
diff --git a/test/data/html/test-dom-text-scanner.html b/test/data/html/test-dom-text-scanner.html new file mode 100644 index 00000000..6b78570a --- /dev/null +++ b/test/data/html/test-dom-text-scanner.html @@ -0,0 +1,393 @@ +<!DOCTYPE html> +<html> + <head> + <meta charset="UTF-8"> + <meta name="viewport" content="width=device-width,initial-scale=1" /> + <title>Yomichan DOMTextScanner Tests</title> + <link rel="icon" type="image/gif" href="data:image/gif;base64,R0lGODlhEAAQAKEBAAAAAP///////////yH5BAEKAAIALAAAAAAQABAAAAImFI6Zpt0B4YkS0TCpq07xbmEgcGVRUpLaI46ZG7ppalY0jDCwUAAAOw==" /> + <link rel="stylesheet" href="test-stylesheet.css" /> + </head> +<body> + + <h1>Yomichan DOMTextScanner Tests</h1> + + <y-test + data-test-data='{ + "node": "div:nth-of-type(1)", + "offset": 0, + "length": 15, + "expected": { + "node": "div:nth-of-type(2)>div::text", + "offset": 3, + "content": "小ぢん\nまり1\n小ぢん\nまり2" + } + }' + > + <y-description>Layout newlines expected due to entering and exiting display:block nodes.</y-description> +<div><div>小ぢん</div>まり1</div> +<div>小ぢん<div>まり2</div></div> + </y-test> + + <y-test + data-test-data='{ + "node": "div:nth-of-type(1)::text", + "offset": 0, + "length": 13, + "expected": { + "node": "div:nth-of-type(2)::text", + "offset": 6, + "content": "小ぢんまり1\n小ぢんまり2" + } + }' + > + <y-description>Layout newline expected due to sequential display:block elements.</y-description> +<div>小ぢんまり1</div><div>小ぢんまり2</div> + </y-test> + + <y-test + data-test-data='{ + "node": "div:nth-of-type(1)::text", + "offset": 0, + "length": 13, + "expected": { + "node": "div:nth-of-type(2)::text", + "offset": 6, + "content": "小ぢんまり1\n小ぢんまり2" + } + }' + > + <y-description>Layout newline expected due to sequential display:block elements separated by a newline.</y-description> +<div>小ぢんまり1</div> +<div>小ぢんまり2</div> + </y-test> + + <y-test + data-test-data='{ + "node": "span:nth-of-type(1)::text", + "offset": 0, + "length": 12, + "expected": { + "node": "span:nth-of-type(2)::text", + "offset": 6, + "content": "小ぢんまり1小ぢんまり2" + } + }' + > + <y-description>No newlines expected due to display:inline.</y-description> +<span>小ぢんまり1</span><span>小ぢんまり2</span> + </y-test> + + <y-test + data-test-data='{ + "node": "span:nth-of-type(1)::text", + "offset": 0, + "length": 13, + "expected": { + "node": "span:nth-of-type(2)::text", + "offset": 6, + "content": "小ぢんまり1\n小ぢんまり2" + } + }' + > + <y-description>No newlines expected due to white-space:normal.</y-description> +<span>小ぢんまり1</span> +<span>小ぢんまり2</span> + </y-test> + + <y-test + data-test-data='{ + "node": "span:nth-of-type(1)::text", + "offset": 0, + "length": 13, + "expected": { + "node": "span:nth-of-type(2)::text", + "offset": 6, + "content": "小ぢんまり1\n小ぢんまり2" + } + }' + > + <y-description>Newline expected due to white-space:pre.</y-description> +<pre> +<span>小ぢんまり1</span> +<span>小ぢんまり2</span> +</pre> + </y-test> + + <y-test + data-test-data='{ + "node": "span:nth-of-type(1)::text", + "offset": 0, + "length": 12, + "expected": { + "node": "span:nth-of-type(2)::text", + "offset": 6, + "content": "小ぢんまり1小ぢんまり2" + } + }' + > + <y-description>No newlines expected due to display:inline-block. Actual layout flow cannot be determined by DOM/CSS alone.</y-description> +<span style="display: inline-block;">小ぢんまり1</span><span style="display: inline-block;">小ぢんまり2</span> + </y-test> + + <y-test + style="position: relative;" + data-test-data='{ + "node": "div:nth-of-type(1)::text", + "offset": 0, + "length": 13, + "expected": { + "node": "div:nth-of-type(2)::text", + "offset": 6, + "content": "小ぢんまり1\n小ぢんまり2" + } + }' + > + <y-description>Single newline expected due to display:block layout.</y-description> +<div>小ぢんまり1</div><div style="position: relative;">小ぢんまり2</div> + </y-test> + + <y-test + style="position: relative; overflow: hidden;" + data-test-data='{ + "node": "div:nth-of-type(1)::text", + "offset": 0, + "length": 14, + "expected": { + "node": "div:nth-of-type(2)::text", + "offset": 6, + "content": "小ぢんまり1\n\n小ぢんまり2" + } + }' + > + <y-description>Two newlines expected due to position:absolute causing a significant layout change.</y-description> +<div>小ぢんまり1</div><div style="position: absolute;">小ぢんまり2</div> + </y-test> + + <y-test + style="position: relative; overflow: hidden;" + data-test-data='{ + "node": "div:nth-of-type(1)::text", + "offset": 0, + "length": 14, + "expected": { + "node": "div:nth-of-type(2)::text", + "offset": 6, + "content": "小ぢんまり1\n\n小ぢんまり2" + } + }' + > + <y-description>Two newlines expected due to position:fixed causing a significant layout change.</y-description> +<div>小ぢんまり1</div><div style="position: fixed;">小ぢんまり2</div> + </y-test> + + <y-test + style="position: relative;" + data-test-data='{ + "node": "div:nth-of-type(1)::text", + "offset": 0, + "length": 14, + "expected": { + "node": "div:nth-of-type(2)::text", + "offset": 6, + "content": "小ぢんまり1\n\n小ぢんまり2" + } + }' + > + <y-description>Two newlines expected due to position:sticky being able to cause a significant layout change.</y-description> +<div>小ぢんまり1</div><div style="position: sticky;">小ぢんまり2</div> + </y-test> + + <y-test + data-test-data='{ + "node": "rt", + "offset": 0, + "length": 6, + "expected": { + "node": "div::text", + "offset": 5, + "content": "小ぢんまり1" + } + }' + > + <y-description>Scanning text starting in an <rt> element. Should start scanning at the start of the <ruby> tag instead.</y-description> +<div><ruby>小<rp>(</rp><rt>こ</rt><rp>)</rp></ruby>ぢんまり1</div> + </y-test> + + <y-test + data-test-data='{ + "node": "div", + "offset": 0, + "length": 6, + "expected": { + "node": "div::nth-text(2)", + "offset": 3, + "content": "小ぢんまり1" + } + }' + > + <y-description>Skip <script> content.</y-description> +<div>小ぢん<script>/*comment*/</script>まり1</div> + </y-test> + + <y-test + data-test-data='{ + "node": "div", + "offset": 0, + "length": 6, + "expected": { + "node": "div::nth-text(2)", + "offset": 3, + "content": "小ぢんまり1" + } + }' + > + <y-description>Skip <style> content.</y-description> +<div>小ぢん<style>/*comment*/</style>まり1</div> + </y-test> + + <y-test + data-test-data='{ + "node": "div", + "offset": 0, + "length": 6, + "expected": { + "node": "div::nth-text(2)", + "offset": 3, + "content": "小ぢんまり1" + } + }' + > + <y-description>Skip <textarea> content.</y-description> +<div>小ぢん<textarea>textarea content</textarea>まり1</div> + </y-test> + + <y-test + data-test-data='{ + "node": "div", + "offset": 0, + "length": 6, + "expected": { + "node": "div::nth-text(2)", + "offset": 3, + "content": "小ぢんまり1" + } + }' + > + <y-description>Skip <input> content.</y-description> +<div>小ぢん<input value="content" />まり1</div> + </y-test> + + <y-test + data-test-data='{ + "node": "div", + "offset": 0, + "length": 6, + "expected": { + "node": "div::nth-text(2)", + "offset": 3, + "content": "小ぢんまり1" + } + }' + > + <y-description>Skip <button> content.</y-description> +<div>小ぢん<button>content</button>まり1</div> + </y-test> + + <y-test + data-test-data='{ + "node": "div", + "offset": 0, + "length": 6, + "expected": { + "node": "div::nth-text(2)", + "offset": 3, + "content": "小ぢんまり1" + } + }' + > + <y-description>Skip content with font-size:0.</y-description> +<div>小ぢん<span style="font-size: 0;">content</span>まり1</div> + </y-test> + + <y-test + data-test-data='{ + "node": "div", + "offset": 0, + "length": 6, + "expected": { + "node": "div::nth-text(2)", + "offset": 3, + "content": "小ぢんまり1" + } + }' + > + <y-description>Skip content with opacity:0.</y-description> +<div>小ぢん<span style="opacity: 0;">content</span>まり1</div> + </y-test> + + <y-test + data-test-data='{ + "node": "div", + "offset": 0, + "length": 6, + "expected": { + "node": "div::nth-text(2)", + "offset": 3, + "content": "小ぢんまり1" + } + }' + > + <y-description>Skip content with visibility:hidden.</y-description> +<div>小ぢん<span style="visibility: hidden;">content</span>まり1</div> + </y-test> + + <y-test + data-test-data='{ + "node": "div", + "offset": 0, + "length": 6, + "expected": { + "node": "div::nth-text(2)", + "offset": 3, + "content": "小ぢんまり1" + } + }' + > + <y-description>Skip content with display:none.</y-description> +<div>小ぢん<span style="display: none;">content</span>まり1</div> + </y-test> + + <y-test + data-test-data='{ + "node": "div", + "offset": 0, + "length": 6, + "expected": { + "node": "div::nth-text(2)", + "offset": 3, + "content": "小ぢんまり1" + } + }' + > + <y-description>Don't skip content with user-select:none.</y-description> +<div>小ぢ<span style="user-select: none;">ん</span>まり1</div> + </y-test> + + <y-test + data-test-data='{ + "node": "div", + "offset": 0, + "length": 6, + "expected": { + "node": "div::nth-text(2)", + "offset": 3, + "content": "小ぢんまり1" + } + }' + > + <y-description>Skip content with user-select:none <em>and</em> a transparent color.</y-description> +<div>小ぢん<span style="user-select: none; color: rgba(0, 0, 0, 0);">content</span>まり1</div> + </y-test> + +</body> +</html>
\ No newline at end of file diff --git a/test/data/html/test-stylesheet.css b/test/data/html/test-stylesheet.css index f63d2481..2e9a2f52 100644 --- a/test/data/html/test-stylesheet.css +++ b/test/data/html/test-stylesheet.css @@ -28,7 +28,9 @@ a, a:visited { text-decoration: underline; } -.test { +.test, +y-test { + display: block; background-color: #ffffff; margin: 1em 0; padding: 0.5em; @@ -36,7 +38,8 @@ a, a:visited { border-radius: 4px; } -.test:before { +.test:before, +y-test:before { content: "Test " counter(test-id); display: block; counter-increment: test-id; @@ -45,7 +48,10 @@ a, a:visited { font-weight: bold; } -.description { +.description, +y-description { color: #444444; font-style: italic; + display: block; + padding-bottom: 0.5em; } diff --git a/test/test-dom-text-scanner.js b/test/test-dom-text-scanner.js new file mode 100644 index 00000000..41d6e307 --- /dev/null +++ b/test/test-dom-text-scanner.js @@ -0,0 +1,181 @@ +/* + * Copyright (C) 2020 Yomichan Authors + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +const fs = require('fs'); +const path = require('path'); +const assert = require('assert'); +const {JSDOM} = require('jsdom'); +const {VM} = require('./yomichan-vm'); + + +function createJSDOM(fileName) { + const domSource = fs.readFileSync(fileName, {encoding: 'utf8'}); + return new JSDOM(domSource); +} + +function querySelectorTextNode(element, selector) { + let textIndex = -1; + const match = /::text$|::nth-text\((\d+)\)$/.exec(selector); + if (match !== null) { + textIndex = (match[1] ? parseInt(match[1], 10) - 1 : 0); + selector = selector.substring(0, selector.length - match[0].length); + } + const result = element.querySelector(selector); + if (textIndex < 0) { + return result; + } + for (let n = result.firstChild; n !== null; n = n.nextSibling) { + if (n.nodeType === n.constructor.TEXT_NODE) { + if (textIndex === 0) { + return n; + } + --textIndex; + } + } + return null; +} + + +function getComputedFontSizeInPixels(window, getComputedStyle, element) { + for (; element !== null; element = element.parentNode) { + if (element.nodeType === window.Node.ELEMENT_NODE) { + const fontSize = getComputedStyle(element).fontSize; + if (fontSize.endsWith('px')) { + const value = parseFloat(fontSize.substring(0, fontSize.length - 2)); + return value; + } + } + } + const defaultFontSize = 14; + return defaultFontSize; +} + +function createAbsoluteGetComputedStyle(window) { + // Wrapper to convert em units to px units + const getComputedStyleOld = window.getComputedStyle.bind(window); + return (element, ...args) => { + const style = getComputedStyleOld(element, ...args); + return new Proxy(style, { + get: (target, property) => { + let result = target[property]; + if (typeof result === 'string') { + result = result.replace(/([-+]?\d(?:\.\d)?(?:[eE][-+]?\d+)?)em/g, (g0, g1) => { + const fontSize = getComputedFontSizeInPixels(window, getComputedStyleOld, element); + return `${parseFloat(g1) * fontSize}px`; + }); + } + return result; + } + }); + }; +} + + +async function testDomTextScanner(dom, {DOMTextScanner}) { + const document = dom.window.document; + for (const testElement of document.querySelectorAll('y-test')) { + let testData = JSON.parse(testElement.dataset.testData); + if (!Array.isArray(testData)) { + testData = [testData]; + } + for (const testDataItem of testData) { + let { + node, + offset, + length, + forcePreserveWhitespace, + generateLayoutContent, + reversible, + expected: { + node: expectedNode, + offset: expectedOffset, + content: expectedContent + } + } = testDataItem; + + node = querySelectorTextNode(testElement, node); + expectedNode = querySelectorTextNode(testElement, expectedNode); + + // Standard test + { + const scanner = new DOMTextScanner(node, offset, forcePreserveWhitespace, generateLayoutContent); + scanner.seek(length); + + const {node: actualNode1, offset: actualOffset1, content: actualContent1} = scanner; + assert.strictEqual(actualContent1, expectedContent); + assert.strictEqual(actualOffset1, expectedOffset); + assert.strictEqual(actualNode1, expectedNode); + } + + // Substring tests + for (let i = 1; i <= length; ++i) { + const scanner = new DOMTextScanner(node, offset, forcePreserveWhitespace, generateLayoutContent); + scanner.seek(length - i); + + const {content: actualContent} = scanner; + assert.strictEqual(actualContent, expectedContent.substring(0, expectedContent.length - i)); + } + + if (reversible === false) { continue; } + + // Reversed test + { + const scanner = new DOMTextScanner(expectedNode, expectedOffset, forcePreserveWhitespace, generateLayoutContent); + scanner.seek(-length); + + const {content: actualContent} = scanner; + assert.strictEqual(actualContent, expectedContent); + } + + // Reversed substring tests + for (let i = 1; i <= length; ++i) { + const scanner = new DOMTextScanner(expectedNode, expectedOffset, forcePreserveWhitespace, generateLayoutContent); + scanner.seek(-(length - i)); + + const {content: actualContent} = scanner; + assert.strictEqual(actualContent, expectedContent.substring(i)); + } + } + } +} + + +async function testDocument1() { + const dom = createJSDOM(path.join(__dirname, 'data', 'html', 'test-dom-text-scanner.html')); + const window = dom.window; + try { + const {document, Node, Range} = window; + + window.getComputedStyle = createAbsoluteGetComputedStyle(window); + + const vm = new VM({document, window, Range, Node}); + vm.execute('fg/js/dom-text-scanner.js'); + const DOMTextScanner = vm.get('DOMTextScanner'); + + await testDomTextScanner(dom, {DOMTextScanner}); + } finally { + window.close(); + } +} + + +async function main() { + await testDocument1(); +} + + +if (require.main === module) { main(); } |