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-rw-r--r--test/test-document-util.js270
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diff --git a/test/test-document-util.js b/test/test-document-util.js
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--- a/test/test-document-util.js
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-/*
- * Copyright (C) 2023 Yomitan Authors
- * Copyright (C) 2020-2022 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 {testMain} = require('../dev/util');
-const {VM} = require('../dev/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([
- 'js/data/sandbox/string-util.js',
- 'js/dom/dom-text-scanner.js',
- 'js/dom/text-source-range.js',
- 'js/dom/text-source-element.js',
- 'js/dom/document-util.js'
- ]);
- const [DOMTextScanner, TextSourceRange, TextSourceElement, DocumentUtil] = vm.get([
- 'DOMTextScanner',
- 'TextSourceRange',
- 'TextSourceElement',
- 'DocumentUtil'
- ]);
-
- try {
- await testDocumentTextScanningFunctions(dom, {DocumentUtil, TextSourceRange, TextSourceElement});
- await testTextSourceRangeSeekFunctions(dom, {DOMTextScanner});
- } finally {
- window.close();
- }
-}
-
-async function testDocumentTextScanningFunctions(dom, {DocumentUtil, 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,
- sentenceScanExtent,
- sentence,
- hasImposter,
- terminateAtNewlines
- } = 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);
- sentenceScanExtent = parseInt(sentenceScanExtent, 10);
- terminateAtNewlines = (terminateAtNewlines !== 'false');
-
- 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 = DocumentUtil.getRangeFromPoint(0, 0, {
- deepContentScan: false,
- normalizeCssZoom: true
- });
- 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; }
-
- // Sentence info
- const terminatorString = '…。．.？?！!';
- const terminatorMap = new Map();
- for (const char of terminatorString) {
- terminatorMap.set(char, [false, true]);
- }
- const quoteArray = [['「', '」'], ['『', '』'], ['\'', '\''], ['"', '"']];
- const forwardQuoteMap = new Map();
- const backwardQuoteMap = new Map();
- for (const [char1, char2] of quoteArray) {
- forwardQuoteMap.set(char1, [char2, false]);
- backwardQuoteMap.set(char2, [char1, false]);
- }
-
- // Test docSentenceExtract
- const sentenceActual = DocumentUtil.extractSentence(
- source,
- false,
- sentenceScanExtent,
- terminateAtNewlines,
- terminatorMap,
- forwardQuoteMap,
- backwardQuoteMap
- ).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) { testMain(main); }