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aria_query_handler_spec.rb
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aria_query_handler_spec.rb
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require 'spec_helper'
RSpec.describe 'AriaQueryHandler', skip: Puppeteer.env.firefox? do
describe 'parseAreaSelector', puppeteer: :page do
before {
page.content = '<button id="btn" role="button"> Submit button and some spaces </button>'
}
let(:button) { page.query_selector(selector) }
subject(:found) { button.evaluate('(button) => button.id') == 'btn' }
[
'aria/Submit button and some spaces[role="button"]',
"aria/Submit button and some spaces[role='button']",
'aria/ Submit button and some spaces[role="button"]',
'aria/Submit button and some spaces [role="button"]',
'aria/Submit button and some spaces [ role = "button" ] ',
'aria/[role="button"]Submit button and some spaces',
'aria/Submit button [role="button"]and some spaces',
'aria/[name=" Submit button and some spaces"][role="button"]',
"aria/[name=' Submit button and some spaces'][role='button']",
'aria/ignored[name="Submit button and some spaces"][role="button"]',
].each do |selector_value|
context "selector=#{selector_value}" do
let(:selector) { selector_value }
it 'should find element' do
expect(found).to eq(true)
end
end
end
end
describe 'query_one', puppeteer: :page do
it 'should find button by role' do
page.content = '<div id="div"><button id="btn" role="button">Submit</button></div>'
button = page.query_selector('aria/[role="button"]')
expect(button.evaluate('(button) => button.id')).to eq('btn')
end
it 'should find button by name and role' do
page.content = '<div id="div"><button id="btn" role="button">Submit</button></div>'
button = page.query_selector('aria/Submit[role="button"]')
expect(button.evaluate('(button) => button.id')).to eq('btn')
end
it 'should find first matching element' do
page.content = 2.times.map { |i| "<div role=\"menu\" id=\"mnu#{i}\" aria-label=\"menu div\"></div>" }.join("")
div = page.query_selector('aria/menu div')
expect(div.evaluate('(div) => div.id')).to eq('mnu0')
end
it 'should find by name' do
page.content = 2.times.map { |i| "<div role=\"menu\" id=\"mnu#{i}\" aria-label=\"menu-label#{i}\"></div>" }.join("")
div = page.query_selector('aria/menu-label1')
expect(div.evaluate('(div) => div.id')).to eq('mnu1')
div = page.query_selector('aria/menu-label0')
expect(div.evaluate('(div) => div.id')).to eq('mnu0')
end
end
describe 'query_all' do
it 'should find by name' do
page.content = 2.times.map { |i| "<div role=\"menu\" id=\"mnu#{i}\" aria-label=\"menu div\"></div>" }.join("")
div = page.query_selector_all('aria/menu div')
expect(div[0].evaluate('(div) => div.id')).to eq('mnu0')
expect(div[1].evaluate('(div) => div.id')).to eq('mnu1')
end
end
describe 'query_all_array' do
it 'eval_on_selector_all should handle many elements' do
page.content = ''
js = <<~JAVASCRIPT
for (var i = 0; i <= 100; i++) {
const button = document.createElement('button');
button.textContent = i;
document.body.appendChild(button);
}
JAVASCRIPT
page.evaluate(js)
sum = page.eval_on_selector_all('aria/[role="button"]', '(buttons) => buttons.reduce((acc, button) => acc + Number(button.textContent), 0)')
expect(sum).to eq((0..100).sum)
end
end
describe 'wait_for_selector (aria)', puppeteer: :page, sinatra: true do
let(:add_element) { '(tag) => document.body.appendChild(document.createElement(tag))' }
it 'should immediately resolve promise if node exists' do
page.goto(server_empty_page)
page.evaluate(add_element, 'button')
Timeout.timeout(1) { page.wait_for_selector('aria/[role="button"]') }
end
it 'should return the element handle' do
page.evaluate(<<~JAVASCRIPT)
() => (document.body.innerHTML = `<div></div>`)
JAVASCRIPT
element = page.query_selector('div')
inner_element = element.wait_for_selector('aria/test') do
element.evaluate(<<~JAVASCRIPT)
el => el.innerHTML="<p><button>test</button></p>"
JAVASCRIPT
end
expect(inner_element.evaluate('el => el.outerHTML')).to eq('<button>test</button>')
end
it 'should persist query handler bindings across reloads' do
page.goto(server_empty_page)
page.evaluate(add_element, 'button')
Timeout.timeout(1) { page.wait_for_selector('aria/[role="button"]') }
page.reload
page.evaluate(add_element, 'button')
Timeout.timeout(1) { page.wait_for_selector('aria/[role="button"]') }
end
it 'should persist query handler bindings across navigations' do
# Reset page but make sure that execution context ids start with 1.
page.goto('data:text/html,')
page.goto(server_empty_page)
page.evaluate(add_element, 'button')
Timeout.timeout(1) { page.wait_for_selector('aria/[role="button"]') }
# Reset page but again make sure that execution context ids start with 1.
page.goto('data:text/html,')
page.goto(server_empty_page)
page.evaluate(add_element, 'button')
Timeout.timeout(1) { page.wait_for_selector('aria/[role="button"]') }
end
it 'should work independently of `exposeFunction`' do
page.goto(server_empty_page)
page.expose_function('ariaQuerySelector', -> (a, b) { a + b })
page.evaluate(add_element, 'button')
page.wait_for_selector('aria/[role="button"]')
result = page.evaluate('globalThis.ariaQuerySelector(2,8)')
expect(result).to eq(10)
end
# it('should work with removed MutationObserver', async () => {
# const { page } = getTestState();
# await page.evaluate(() => delete window.MutationObserver);
# const [handle] = await Promise.all([
# page.waitForSelector('aria/anything'),
# page.setContent(`<h1>anything</h1>`),
# ]);
# expect(
# await page.evaluate((x: HTMLElement) => x.textContent, handle)
# ).toBe('anything');
# });
# it('should resolve promise when node is added', async () => {
# const { page, server } = getTestState();
# await page.goto(server.EMPTY_PAGE);
# const frame = page.mainFrame();
# const watchdog = frame.waitForSelector('aria/[role="heading"]');
# await frame.evaluate(addElement, 'br');
# await frame.evaluate(addElement, 'h1');
# const elementHandle = await watchdog;
# const tagName = await elementHandle
# .getProperty('tagName')
# .then((element) => element.jsonValue());
# expect(tagName).toBe('H1');
# });
# it('should work when node is added through innerHTML', async () => {
# const { page, server } = getTestState();
# await page.goto(server.EMPTY_PAGE);
# const watchdog = page.waitForSelector('aria/name');
# await page.evaluate(addElement, 'span');
# await page.evaluate(
# () =>
# (document.querySelector('span').innerHTML =
# '<h3><div aria-label="name"></div></h3>')
# );
# await watchdog;
# });
# it('Page.waitForSelector is shortcut for main frame', async () => {
# const { page, server } = getTestState();
# await page.goto(server.EMPTY_PAGE);
# await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
# const otherFrame = page.frames()[1];
# const watchdog = page.waitForSelector('aria/[role="button"]');
# await otherFrame.evaluate(addElement, 'button');
# await page.evaluate(addElement, 'button');
# const elementHandle = await watchdog;
# expect(elementHandle.executionContext().frame()).toBe(page.mainFrame());
# });
# it('should run in specified frame', async () => {
# const { page, server } = getTestState();
# await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
# await utils.attachFrame(page, 'frame2', server.EMPTY_PAGE);
# const frame1 = page.frames()[1];
# const frame2 = page.frames()[2];
# const waitForSelectorPromise = frame2.waitForSelector(
# 'aria/[role="button"]'
# );
# await frame1.evaluate(addElement, 'button');
# await frame2.evaluate(addElement, 'button');
# const elementHandle = await waitForSelectorPromise;
# expect(elementHandle.executionContext().frame()).toBe(frame2);
# });
# it('should throw when frame is detached', async () => {
# const { page, server } = getTestState();
# await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
# const frame = page.frames()[1];
# let waitError = null;
# const waitPromise = frame
# .waitForSelector('aria/does-not-exist')
# .catch((error) => (waitError = error));
# await utils.detachFrame(page, 'frame1');
# await waitPromise;
# expect(waitError).toBeTruthy();
# expect(waitError.message).toContain(
# 'waitForFunction failed: frame got detached.'
# );
# });
# it('should survive cross-process navigation', async () => {
# const { page, server } = getTestState();
# let imgFound = false;
# const waitForSelector = page
# .waitForSelector('aria/[role="img"]')
# .then(() => (imgFound = true));
# await page.goto(server.EMPTY_PAGE);
# expect(imgFound).toBe(false);
# await page.reload();
# expect(imgFound).toBe(false);
# await page.goto(server.CROSS_PROCESS_PREFIX + '/grid.html');
# await waitForSelector;
# expect(imgFound).toBe(true);
# });
it 'should wait for visible' do
div_found = false
wait_for_selector_promise = page.async_wait_for_selector('aria/name', visible: true).then { div_found = true }
page.content = "<div aria-label='name' style='display: none; visibility: hidden;'>1</div>"
expect(div_found).to eq(false)
page.evaluate(<<~JAVASCRIPT)
() => document.querySelector('div').style.removeProperty('display')
JAVASCRIPT
expect(div_found).to eq(false)
page.evaluate(<<~JAVASCRIPT)
() => document.querySelector('div').style.removeProperty('visibility')
JAVASCRIPT
await wait_for_selector_promise
expect(div_found).to eq(true)
end
# it('should wait for visible recursively', async () => {
# const { page } = getTestState();
# let divVisible = false;
# const waitForSelector = page
# .waitForSelector('aria/inner', { visible: true })
# .then(() => (divVisible = true));
# await page.setContent(
# `<div style='display: none; visibility: hidden;'><div aria-label="inner">hi</div></div>`
# );
# expect(divVisible).toBe(false);
# await page.evaluate(() =>
# document.querySelector('div').style.removeProperty('display')
# );
# expect(divVisible).toBe(false);
# await page.evaluate(() =>
# document.querySelector('div').style.removeProperty('visibility')
# );
# expect(await waitForSelector).toBe(true);
# expect(divVisible).toBe(true);
# });
# it('hidden should wait for visibility: hidden', async () => {
# const { page } = getTestState();
# let divHidden = false;
# await page.setContent(
# `<div role='button' style='display: block;'></div>`
# );
# const waitForSelector = page
# .waitForSelector('aria/[role="button"]', { hidden: true })
# .then(() => (divHidden = true));
# await page.waitForSelector('aria/[role="button"]'); // do a round trip
# expect(divHidden).toBe(false);
# await page.evaluate(() =>
# document.querySelector('div').style.setProperty('visibility', 'hidden')
# );
# expect(await waitForSelector).toBe(true);
# expect(divHidden).toBe(true);
# });
# it('hidden should wait for display: none', async () => {
# const { page } = getTestState();
# let divHidden = false;
# await page.setContent(`<div role='main' style='display: block;'></div>`);
# const waitForSelector = page
# .waitForSelector('aria/[role="main"]', { hidden: true })
# .then(() => (divHidden = true));
# await page.waitForSelector('aria/[role="main"]'); // do a round trip
# expect(divHidden).toBe(false);
# await page.evaluate(() =>
# document.querySelector('div').style.setProperty('display', 'none')
# );
# expect(await waitForSelector).toBe(true);
# expect(divHidden).toBe(true);
# });
# it('hidden should wait for removal', async () => {
# const { page } = getTestState();
# await page.setContent(`<div role='main'></div>`);
# let divRemoved = false;
# const waitForSelector = page
# .waitForSelector('aria/[role="main"]', { hidden: true })
# .then(() => (divRemoved = true));
# await page.waitForSelector('aria/[role="main"]'); // do a round trip
# expect(divRemoved).toBe(false);
# await page.evaluate(() => document.querySelector('div').remove());
# expect(await waitForSelector).toBe(true);
# expect(divRemoved).toBe(true);
# });
# it('should return null if waiting to hide non-existing element', async () => {
# const { page } = getTestState();
# const handle = await page.waitForSelector('aria/non-existing', {
# hidden: true,
# });
# expect(handle).toBe(null);
# });
# it('should respect timeout', async () => {
# const { page, puppeteer } = getTestState();
# let error = null;
# await page
# .waitForSelector('aria/[role="button"]', { timeout: 10 })
# .catch((error_) => (error = error_));
# expect(error).toBeTruthy();
# expect(error.message).toContain(
# 'waiting for selector `[role="button"]` failed: timeout'
# );
# expect(error).toBeInstanceOf(puppeteer.errors.TimeoutError);
# });
# it('should have an error message specifically for awaiting an element to be hidden', async () => {
# const { page } = getTestState();
# await page.setContent(`<div role='main'></div>`);
# let error = null;
# await page
# .waitForSelector('aria/[role="main"]', { hidden: true, timeout: 10 })
# .catch((error_) => (error = error_));
# expect(error).toBeTruthy();
# expect(error.message).toContain(
# 'waiting for selector `[role="main"]` to be hidden failed: timeout'
# );
# });
# it('should respond to node attribute mutation', async () => {
# const { page } = getTestState();
# let divFound = false;
# const waitForSelector = page
# .waitForSelector('aria/zombo')
# .then(() => (divFound = true));
# await page.setContent(`<div aria-label='notZombo'></div>`);
# expect(divFound).toBe(false);
# await page.evaluate(() =>
# document.querySelector('div').setAttribute('aria-label', 'zombo')
# );
# expect(await waitForSelector).toBe(true);
# });
it 'should return the element handle' do
result = page.wait_for_selector('aria/zombo') do
page.content = "<div aria-label='zombo'>anything</div>"
end
expect(result).to be_a(Puppeteer::ElementHandle)
expect(page.evaluate('(x) => x.textContent', result)).to eq('anything')
end
# it('should have correct stack trace for timeout', async () => {
# const { page } = getTestState();
# let error;
# await page
# .waitForSelector('aria/zombo', { timeout: 10 })
# .catch((error_) => (error = error_));
# expect(error.stack).toContain('waiting for selector `zombo` failed');
# });
end
# describe('queryOne (Chromium web test)', async () => {
# beforeEach(async () => {
# const { page } = getTestState();
# await page.setContent(
# `
# <h2 id="shown">title</h2>
# <h2 id="hidden" aria-hidden="true">title</h2>
# <div id="node1" aria-labeledby="node2"></div>
# <div id="node2" aria-label="bar"></div>
# <div id="node3" aria-label="foo"></div>
# <div id="node4" class="container">
# <div id="node5" role="button" aria-label="foo"></div>
# <div id="node6" role="button" aria-label="foo"></div>
# <!-- Accessible name not available when element is hidden -->
# <div id="node7" hidden role="button" aria-label="foo"></div>
# <div id="node8" role="button" aria-label="bar"></div>
# </div>
# <button id="node10">text content</button>
# <h1 id="node11">text content</h1>
# <!-- Accessible name not available when role is "presentation" -->
# <h1 id="node12" role="presentation">text content</h1>
# <!-- Elements inside shadow dom should be found -->
# <script>
# const div = document.createElement('div');
# const shadowRoot = div.attachShadow({mode: 'open'});
# const h1 = document.createElement('h1');
# h1.textContent = 'text content';
# h1.id = 'node13';
# shadowRoot.appendChild(h1);
# document.documentElement.appendChild(div);
# </script>
# <img id="node20" src="" alt="Accessible Name">
# <input id="node21" type="submit" value="Accessible Name">
# <label id="node22" for="node23">Accessible Name</label>
# <!-- Accessible name for the <input> is "Accessible Name" -->
# <input id="node23">
# <div id="node24" title="Accessible Name"></div>
# <div role="treeitem" id="node30">
# <div role="treeitem" id="node31">
# <div role="treeitem" id="node32">item1</div>
# <div role="treeitem" id="node33">item2</div>
# </div>
# <div role="treeitem" id="node34">item3</div>
# </div>
# <!-- Accessible name for the <div> is "item1 item2 item3" -->
# <div aria-describedby="node30"></div>
# `
# );
# });
# const getIds = async (elements: ElementHandle[]) =>
# Promise.all(
# elements.map((element) =>
# element.evaluate((element: Element) => element.id)
# )
# );
# it('should find by name "foo"', async () => {
# const { page } = getTestState();
# const found = await page.$$('aria/foo');
# const ids = await getIds(found);
# expect(ids).toEqual(['node3', 'node5', 'node6']);
# });
# it('should find by name "bar"', async () => {
# const { page } = getTestState();
# const found = await page.$$('aria/bar');
# const ids = await getIds(found);
# expect(ids).toEqual(['node1', 'node2', 'node8']);
# });
# it('should find treeitem by name', async () => {
# const { page } = getTestState();
# const found = await page.$$('aria/item1 item2 item3');
# const ids = await getIds(found);
# expect(ids).toEqual(['node30']);
# });
# it('should find by role "button"', async () => {
# const { page } = getTestState();
# const found = await page.$$('aria/[role="button"]');
# const ids = await getIds(found);
# expect(ids).toEqual(['node5', 'node6', 'node8', 'node10', 'node21']);
# });
# it('should find by role "heading"', async () => {
# const { page } = getTestState();
# const found = await page.$$('aria/[role="heading"]');
# const ids = await getIds(found);
# expect(ids).toEqual(['shown', 'node11', 'node13']);
# });
# it('should not find ignored', async () => {
# const { page } = getTestState();
# const found = await page.$$('aria/title');
# const ids = await getIds(found);
# expect(ids).toEqual(['shown']);
# });
# });
end