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code-highlighting.spec.js
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code-highlighting.spec.js
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/**
* Copyright (C) 2019 The Software Heritage developers
* See the AUTHORS file at the top-level directory of this distribution
* License: GNU Affero General Public License version 3, or any later version
* See top-level LICENSE file for more information
*/
const origin = 'https://github.com/memononen/libtess2';
const contentPath = 'Source/tess.h';
const lineStart = 32;
const lineEnd = 42;
const $ = Cypress.$;
let url;
describe('Code highlighting tests', function() {
before(function() {
url = this.Urls.browse_origin_content(origin, contentPath);
});
it('should highlight source code and add line numbers', function() {
cy.visit(url);
cy.get('.hljs-ln-numbers').then(lnNumbers => {
cy.get('.hljs-ln-code').then(lnCode => {
assert.equal(lnNumbers.length, lnCode.length);
});
});
});
it('should emphasize source code lines based on url fragment', function() {
cy.visit(`${url}/#L${lineStart}-L${lineEnd}`);
cy.get('.hljs-ln-line').then(lines => {
for (let line of lines) {
let lineElt = $(line);
let lineNumber = parseInt(lineElt.data('line-number'));
if (lineNumber >= lineStart && lineNumber <= lineEnd) {
assert.notEqual(lineElt.css('background-color'), 'rgba(0, 0, 0, 0)');
} else {
assert.equal(lineElt.css('background-color'), 'rgba(0, 0, 0, 0)');
}
}
});
});
it('should emphasize a line by clicking on its number', function() {
cy.visit(url);
cy.get('.hljs-ln-numbers').then(lnNumbers => {
let lnNumber = lnNumbers[Math.floor(Math.random() * lnNumbers.length)];
let lnNumberElt = $(lnNumber);
assert.equal(lnNumberElt.css('background-color'), 'rgba(0, 0, 0, 0)');
let line = parseInt(lnNumberElt.data('line-number'));
cy.get(`.hljs-ln-numbers[data-line-number="${line}"]`)
.scrollIntoView()
.click()
.then(() => {
assert.notEqual(lnNumberElt.css('background-color'), 'rgba(0, 0, 0, 0)');
});
});
});
it('should emphasize a range of lines by clicking on two line numbers and holding shift', function() {
cy.visit(url);
cy.get(`.hljs-ln-numbers[data-line-number="${lineStart}"]`)
.scrollIntoView()
.click()
.get(`body`)
.type(`{shift}`, { release: false })
.get(`.hljs-ln-numbers[data-line-number="${lineEnd}"]`)
.scrollIntoView()
.click()
.get('.hljs-ln-line')
.then(lines => {
for (let line of lines) {
let lineElt = $(line);
let lineNumber = parseInt(lineElt.data('line-number'));
if (lineNumber >= lineStart && lineNumber <= lineEnd) {
assert.notEqual(lineElt.css('background-color'), 'rgba(0, 0, 0, 0)');
} else {
assert.equal(lineElt.css('background-color'), 'rgba(0, 0, 0, 0)');
}
}
});
});
it('should remove emphasized lines when clicking anywhere in code', function() {
cy.visit(`${url}/#L${lineStart}-L${lineEnd}`);
cy.get(`.hljs-ln-code[data-line-number="1"]`)
.scrollIntoView()
.click()
.get('.hljs-ln-line')
.then(lines => {
for (let line of lines) {
let lineElt = $(line);
assert.equal(lineElt.css('background-color'), 'rgba(0, 0, 0, 0)');
}
});
});
});

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