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-rw-r--r--test/test-document.js180
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diff --git a/test/test-document.js b/test/test-document.js
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+const fs = require('fs');
+const path = require('path');
+const assert = require('assert');
+const {JSDOM} = require('jsdom');
+const yomichanTest = require('./yomichan-test');
+
+
+// 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 {DOM} = yomichanTest.requireScript(
+ 'ext/mixed/js/dom.js',
+ ['DOM']
+ );
+ const {TextSourceRange, TextSourceElement} = yomichanTest.requireScript(
+ 'ext/fg/js/source.js',
+ ['TextSourceRange', 'TextSourceElement'],
+ {document, window, Range, Node}
+ );
+ const {docRangeFromPoint, docSentenceExtract} = yomichanTest.requireScript(
+ 'ext/fg/js/document.js',
+ ['docRangeFromPoint', 'docSentenceExtract'],
+ {document, window, Node, TextSourceElement, TextSourceRange, DOM}
+ );
+
+ try {
+ await testDocument1Inner(dom, {docRangeFromPoint, docSentenceExtract, TextSourceRange, TextSourceElement});
+ } finally {
+ window.close();
+ }
+}
+
+async function testDocument1Inner(dom, {docRangeFromPoint, docSentenceExtract, TextSourceRange, TextSourceElement}) {
+ const document = dom.window.document;
+
+ for (const testElement of document.querySelectorAll('.test')) {
+ // 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).text;
+ assert.strictEqual(sentenceActual, sentence);
+
+ // Clean
+ source.cleanup();
+ }
+}
+
+
+async function main() {
+ await testDocument1();
+}
+
+
+if (require.main === module) { main(); }