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Diffstat (limited to 'test/test-document.js')
| -rw-r--r-- | test/test-document.js | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/test/test-document.js b/test/test-document.js deleted file mode 100644 index ba7acc49..00000000 --- a/test/test-document.js +++ /dev/null @@ -1,241 +0,0 @@ -/* - * 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'); - - -// DOMRect class definition -class DOMRect { - constructor(x, y, width, height) { - this._x = x; - this._y = y; - this._width = width; - this._height = height; - } - - get x() { return this._x; } - get y() { return this._y; } - get width() { return this._width; } - get height() { return this._height; } - get left() { return this._x + Math.min(0, this._width); } - get right() { return this._x + Math.max(0, this._width); } - get top() { return this._y + Math.min(0, this._height); } - get bottom() { return this._y + Math.max(0, this._height); } -} - - -function createJSDOM(fileName) { - const domSource = fs.readFileSync(fileName, {encoding: 'utf8'}); - const dom = new JSDOM(domSource); - const document = dom.window.document; - const window = dom.window; - - // Define innerText setter as an alias for textContent setter - Object.defineProperty(window.HTMLDivElement.prototype, 'innerText', { - set(value) { this.textContent = value; } - }); - - // Placeholder for feature detection - document.caretRangeFromPoint = () => null; - - return dom; -} - -function querySelectorChildOrSelf(element, selector) { - return selector ? element.querySelector(selector) : element; -} - -function getChildTextNodeOrSelf(dom, node) { - if (node === null) { return null; } - const Node = dom.window.Node; - const childNode = node.firstChild; - return (childNode !== null && childNode.nodeType === Node.TEXT_NODE ? childNode : node); -} - -function getPrototypeOfOrNull(value) { - try { - return Object.getPrototypeOf(value); - } catch (e) { - return null; - } -} - -function findImposterElement(document) { - // Finds the imposter element based on it's z-index style - return document.querySelector('div[style*="2147483646"]>*'); -} - - -async function testDocument1() { - const dom = createJSDOM(path.join(__dirname, 'data', 'html', 'test-document1.html')); - const window = dom.window; - const document = window.document; - const Node = window.Node; - const Range = window.Range; - - const vm = new VM({document, window, Range, Node}); - vm.execute([ - 'mixed/js/dom.js', - 'fg/js/dom-text-scanner.js', - 'fg/js/source.js', - 'fg/js/document.js' - ]); - const [DOMTextScanner, TextSourceRange, TextSourceElement, docRangeFromPoint, docSentenceExtract] = vm.get([ - 'DOMTextScanner', - 'TextSourceRange', - 'TextSourceElement', - 'docRangeFromPoint', - 'docSentenceExtract' - ]); - - try { - await testDocumentTextScanningFunctions(dom, {docRangeFromPoint, docSentenceExtract, TextSourceRange, TextSourceElement}); - await testTextSourceRangeSeekFunctions(dom, {DOMTextScanner}); - } finally { - window.close(); - } -} - -async function testDocumentTextScanningFunctions(dom, {docRangeFromPoint, docSentenceExtract, TextSourceRange, TextSourceElement}) { - const document = dom.window.document; - - for (const testElement of document.querySelectorAll('.test[data-test-type=scan]')) { - // Get test parameters - let { - elementFromPointSelector, - caretRangeFromPointSelector, - startNodeSelector, - startOffset, - endNodeSelector, - endOffset, - resultType, - sentenceExtent, - sentence, - hasImposter - } = testElement.dataset; - - const elementFromPointValue = querySelectorChildOrSelf(testElement, elementFromPointSelector); - const caretRangeFromPointValue = querySelectorChildOrSelf(testElement, caretRangeFromPointSelector); - const startNode = getChildTextNodeOrSelf(dom, querySelectorChildOrSelf(testElement, startNodeSelector)); - const endNode = getChildTextNodeOrSelf(dom, querySelectorChildOrSelf(testElement, endNodeSelector)); - - startOffset = parseInt(startOffset, 10); - endOffset = parseInt(endOffset, 10); - sentenceExtent = parseInt(sentenceExtent, 10); - - assert.notStrictEqual(elementFromPointValue, null); - assert.notStrictEqual(caretRangeFromPointValue, null); - assert.notStrictEqual(startNode, null); - assert.notStrictEqual(endNode, null); - - // Setup functions - document.elementFromPoint = () => elementFromPointValue; - - document.caretRangeFromPoint = (x, y) => { - const imposter = getChildTextNodeOrSelf(dom, findImposterElement(document)); - assert.strictEqual(!!imposter, hasImposter === 'true'); - - const range = document.createRange(); - range.setStart(imposter ? imposter : startNode, startOffset); - range.setEnd(imposter ? imposter : startNode, endOffset); - - // Override getClientRects to return a rect guaranteed to contain (x, y) - range.getClientRects = () => [new DOMRect(x - 1, y - 1, 2, 2)]; - return range; - }; - - // Test docRangeFromPoint - const source = docRangeFromPoint(0, 0, false); - switch (resultType) { - case 'TextSourceRange': - assert.strictEqual(getPrototypeOfOrNull(source), TextSourceRange.prototype); - break; - case 'TextSourceElement': - assert.strictEqual(getPrototypeOfOrNull(source), TextSourceElement.prototype); - break; - case 'null': - assert.strictEqual(source, null); - break; - default: - assert.ok(false); - break; - } - if (source === null) { continue; } - - // Test docSentenceExtract - const sentenceActual = docSentenceExtract(source, sentenceExtent, false).text; - assert.strictEqual(sentenceActual, sentence); - - // Clean - source.cleanup(); - } -} - -async function testTextSourceRangeSeekFunctions(dom, {DOMTextScanner}) { - const document = dom.window.document; - - for (const testElement of document.querySelectorAll('.test[data-test-type=text-source-range-seek]')) { - // Get test parameters - let { - seekNodeSelector, - seekNodeIsText, - seekOffset, - seekLength, - seekDirection, - expectedResultNodeSelector, - expectedResultNodeIsText, - expectedResultOffset, - expectedResultContent - } = testElement.dataset; - - seekOffset = parseInt(seekOffset, 10); - seekLength = parseInt(seekLength, 10); - expectedResultOffset = parseInt(expectedResultOffset, 10); - - let seekNode = testElement.querySelector(seekNodeSelector); - if (seekNodeIsText === 'true') { - seekNode = seekNode.firstChild; - } - - let expectedResultNode = testElement.querySelector(expectedResultNodeSelector); - if (expectedResultNodeIsText === 'true') { - expectedResultNode = expectedResultNode.firstChild; - } - - const {node, offset, content} = ( - seekDirection === 'forward' ? - new DOMTextScanner(seekNode, seekOffset, true, false).seek(seekLength) : - new DOMTextScanner(seekNode, seekOffset, true, false).seek(-seekLength) - ); - - assert.strictEqual(node, expectedResultNode); - assert.strictEqual(offset, expectedResultOffset); - assert.strictEqual(content, expectedResultContent); - } -} - - -async function main() { - await testDocument1(); -} - - -if (require.main === module) { main(); } |