class TestWdomElement(ElementTestCase, TestCase): def get_elements(self): self.root = WdomElement('div') self.tag = WdomElement('span', parent=self.root) self.df = DocumentFragment() self.c1 = WdomElement('c1') self.c2 = WdomElement('c2') self.c3 = WdomElement('c3') self.c4 = WdomElement('c4') self.c1.textContent = 'child1' self.c2.textContent = 'child2' self.c3.textContent = 'child3' self.c4.textContent = 'child4' return self.root def test_connection(self): self.wait_until(lambda: self.root.connected) self.assertTrue(self.root.connected) self.browser.get('http://example.com/') self.assertIsFalse(self.root.connected) def test_text_content(self): self.set_element(self.tag) self.assertEqual(self.element.text, '') self.tag.textContent = 'text' self.wait_until(lambda: self.element.text == 'text') self.assertEqual(self.element.text, 'text') self.c1.textContent = 'child' self.tag.appendChild(self.c1) self.wait_until(lambda: self.element.text == 'textchild') self.assertEqual(self.element.text, 'textchild') self.tag.textContent = 'NewText' self.wait_until(lambda: self.element.text == 'NewText') self.assertEqual(self.element.text, 'NewText') with self.assertRaises(NoSuchElementException): self.set_element(self.c1, self.wait_time * 10) self.set_element(self.tag) t_node = Text('TextNode') self.tag.replaceChild(t_node, self.tag.childNodes[0]) self.wait_until(lambda: self.element.text == 'TextNode') self.assertEqual(self.element.text, 'TextNode') self.tag.removeChild(self.tag.childNodes[0]) self.set_element(self.tag) self.wait_until(lambda: self.element.text == '') self.assertEqual(self.element.text, '') def test_attr(self): self.set_element(self.tag) self.assertIsNone(self.element.get_attribute('src')) self.tag.setAttribute('src', 'a') self.wait_until(lambda: self.element.get_attribute('src') == 'a') self.assertEqual(self.element.get_attribute('src'), 'a') self.tag.removeAttribute('src') self.wait_until(lambda: self.element.get_attribute('src') is None) self.assertIsNone(self.element.get_attribute('src')) def test_addremove_child(self): self.tag.appendChild(self.c1) self.set_element(self.c1) self.assertEqual(self.element.text, 'child1') self.c1.textContent = 'Child' self.wait_until(lambda: self.element.text == 'Child') self.assertEqual(self.element.text, 'Child') self.set_element(self.tag) self.wait_until(lambda: self.element.text == 'Child') self.assertEqual(self.element.text, 'Child') self.tag.removeChild(self.c1) with self.assertRaises(NoSuchElementException): self.wait(0.1) self.set_element(self.c1, self.wait_time * 10) self.set_element(self.tag) self.wait_until(lambda: self.element.text == '') self.assertEqual(self.element.text, '') def test_insert_child(self): self.set_element(self.tag) # test parent in constructor self.c1 = WdomElement('c1', parent=self.tag) self.c1.textContent = 'child1' self.assertIsTrue(self.set_element(self.c1)) with self.assertRaises(NoSuchElementException): self.wait(0.1) self.set_element(self.c2, self.wait_time * 10) self.set_element(self.tag) self.wait_until(lambda: self.element.text == 'child1') self.assertEqual(self.element.text, 'child1') self.tag.insertBefore(self.c2, self.c1) self.assertIsTrue(self.set_element(self.c2)) self.set_element(self.tag) self.wait_until(lambda: self.element.text == 'child2child1') self.assertEqual(self.element.text, 'child2child1') self.tag.empty() self.wait_until(lambda: self.element.text == '') self.assertEqual(self.element.text, '') with self.assertRaises(NoSuchElementException): self.set_element(self.c1, self.wait_time * 10) with self.assertRaises(NoSuchElementException): self.set_element(self.c2, self.wait_time * 10) def test_add_df(self): self.set_element(self.tag) self.df.append(self.c1, self.c2, 'text') self.tag.appendChild(self.df) self.wait_until(lambda: self.element.text == 'child1child2text') self.assertEqual(self.element.text, 'child1child2text') df = DocumentFragment() df.append(self.c3, 'text2') self.tag.appendChild(df) self.wait_until( lambda: self.element.text == 'child1child2textchild3text2') self.assertEqual(self.element.text, 'child1child2textchild3text2') def test_insert_df(self): self.set_element(self.tag) self.tag.appendChild(self.c1) self.df.append(self.c2, self.c3, 'text') self.tag.insertBefore(self.df, self.c1) self.wait_until(lambda: self.element.text == 'child2child3textchild1') self.assertEqual(self.element.text, 'child2child3textchild1') df = DocumentFragment() df.append(self.c4, 'text2') self.tag.insertBefore(df, self.c3) self.wait_until( lambda: self.element.text == 'child2child4text2child3textchild1') self.assertEqual(self.element.text, 'child2child4text2child3textchild1') def test_replace_child(self): self.set_element(self.tag) self.tag.appendChild(self.c1) with self.assertRaises(NoSuchElementException): self.set_element(self.c2, self.wait_time * 10) self.assertIsTrue(self.set_element(self.c1)) self.wait_until(lambda: self.element.text == 'child1') self.assertEqual(self.element.text, 'child1') self.tag.replaceChild(self.c2, self.c1) with self.assertRaises(NoSuchElementException): self.wait(0.1) self.set_element(self.c1, self.wait_time * 10) self.assertIsTrue(self.set_element(self.c2)) self.wait_until(lambda: self.element.text == 'child2') self.assertEqual(self.element.text, 'child2') self.set_element(self.tag) self.wait_until(lambda: self.element.text == 'child2') self.assertEqual(self.element.text, 'child2') def test_append(self): self.set_element(self.tag) self.tag.append(self.c1) self.wait_until(lambda: self.element.text == 'child1') self.assertEqual(self.element.text, 'child1') self.tag.append(self.c2, self.c3) self.wait_until(lambda: self.element.text == 'child1child2child3') self.assertEqual(self.element.text, 'child1child2child3') self.tag.append(self.c4, self.c1) self.wait_until( lambda: self.element.text == 'child2child3child4child1') self.assertEqual(self.element.text, 'child2child3child4child1') self.tag.append('t1', 't2') self.wait_until( lambda: self.element.text == 'child2child3child4child1t1t2') self.assertEqual(self.element.text, 'child2child3child4child1t1t2') def test_prepend(self): self.set_element(self.tag) self.tag.prepend(self.c1) self.wait_until(lambda: self.element.text == 'child1') self.assertEqual(self.element.text, 'child1') self.tag.prepend(self.c2, self.c3) self.wait_until(lambda: self.element.text == 'child2child3child1') self.assertEqual(self.element.text, 'child2child3child1') self.tag.prepend(self.c4, self.c1) self.wait_until( lambda: self.element.text == 'child4child1child2child3') self.assertEqual(self.element.text, 'child4child1child2child3') self.tag.prepend('t1', 't2') self.wait_until( lambda: self.element.text == 't1t2child4child1child2child3') self.assertEqual(self.element.text, 't1t2child4child1child2child3') def test_prepend_append_text(self): self.set_element(self.tag) self.tag.append('t1') self.wait_until(lambda: self.element.text == 't1') self.assertEqual(self.element.text, 't1') self.tag.firstChild.remove() self.wait_until(lambda: self.element.text == '') self.assertEqual(self.element.text, '') self.tag.prepend('t2') self.wait_until(lambda: self.element.text == 't2') self.assertEqual(self.element.text, 't2') self.tag.append('t3', 't4') self.wait_until(lambda: self.element.text == 't2t3t4') self.assertEqual(self.element.text, 't2t3t4') self.tag.prepend('t5', 't6') self.wait_until(lambda: self.element.text == 't5t6t2t3t4') self.assertEqual(self.element.text, 't5t6t2t3t4') def test_after(self): self.set_element(self.tag) self.tag.append(self.c1) self.c1.after(self.c2) self.wait_until(lambda: self.element.text == 'child1child2') self.assertEqual(self.element.text, 'child1child2') self.c1.after(self.c3, self.c4) self.wait_until( lambda: self.element.text == 'child1child3child4child2') self.assertEqual(self.element.text, 'child1child3child4child2') self.c1.after(self.c2, 'text') self.wait_until( lambda: self.element.text == 'child1child2textchild3child4') self.assertEqual(self.element.text, 'child1child2textchild3child4') def test_before(self): self.set_element(self.tag) self.tag.append(self.c1) self.c1.before(self.c2) self.wait_until(lambda: self.element.text == 'child2child1') self.assertEqual(self.element.text, 'child2child1') self.c1.before(self.c3, self.c4) self.wait_until( lambda: self.element.text == 'child2child3child4child1') self.assertEqual(self.element.text, 'child2child3child4child1') self.c1.before(self.c2, 'text') self.wait_until( lambda: self.element.text == 'child3child4child2textchild1') self.assertEqual(self.element.text, 'child3child4child2textchild1') def test_after_before_text(self): self.set_element(self.tag) self.tag.append('a') t = self.tag.firstChild t.after('b') self.wait_until(lambda: self.element.text == 'ab') self.assertEqual(self.element.text, 'ab') t.after('c', 'd') self.wait_until(lambda: self.element.text == 'acdb') self.assertEqual(self.element.text, 'acdb') t.before('e') self.wait_until(lambda: self.element.text == 'eacdb') self.assertEqual(self.element.text, 'eacdb') t.before('f', 'g') self.wait_until(lambda: self.element.text == 'efgacdb') self.assertEqual(self.element.text, 'efgacdb') def test_inner_html(self): self.set_element(self.tag) self.tag.innerHTML = '<div>a</div>' self.wait_until(lambda: self.element.text == 'a') self.set_element(self.tag.firstChild) self.wait_until(lambda: self.element.text == 'a') self.assertEqual(self.element.text, 'a') def test_shortcut_attr(self): self.tag.textContent = 'TAG' self.set_element(self.tag) self.wait_until(lambda: self.element.is_displayed()) self.assertIsTrue(self.element.is_displayed()) self.tag.hidden = True self.wait_until(lambda: not self.element.is_displayed()) self.assertIsFalse(self.element.is_displayed()) self.tag.hidden = False self.wait_until(lambda: self.element.is_displayed()) self.assertIsTrue(self.element.is_displayed()) def test_style(self): self.tag.textContent = 'Style' self.set_element(self.tag) self.wait_until(lambda: self.element.get_attribute('style') == '') self.assertEqual(self.element.get_attribute('style'), '') style = 'color: red;' self.tag.style = style self.wait_until(lambda: self.element.get_attribute('style') == style) self.assertEqual(self.element.get_attribute('style'), style) self.tag.style.color = 'black' self.wait_until( lambda: self.element.get_attribute('style') == 'color: black;') self.assertEqual(self.element.get_attribute('style'), 'color: black;') def test_classlist(self): self.set_element(self.tag) self.assertEqual(self.element.get_attribute('class'), '') self.tag.classList.add('a') self.wait_until(lambda: self.element.get_attribute('class') == 'a') self.assertEqual(self.element.get_attribute('class'), 'a') self.tag.classList.add('b', 'c', 'd') self.wait_until( lambda: self.element.get_attribute('class') == 'a b c d') self.assertEqual(self.element.get_attribute('class'), 'a b c d') self.tag.classList.remove('c') self.wait_until(lambda: self.element.get_attribute('class') == 'a b d') self.assertEqual(self.element.get_attribute('class'), 'a b d') self.tag.classList.remove('a', 'd') self.wait_until(lambda: self.element.get_attribute('class') == 'b') self.assertEqual(self.element.get_attribute('class'), 'b') self.tag.classList.toggle('b') self.wait_until(lambda: self.element.get_attribute('class') == '') self.assertEqual(self.element.get_attribute('class'), '') self.tag.classList.toggle('b') self.wait_until(lambda: self.element.get_attribute('class') == 'b') self.assertEqual(self.element.get_attribute('class'), 'b') def test_click(self): mock = MagicMock(_is_coroutine=False) self.tag.addEventListener('click', mock) self.tag.click() self.wait_until(lambda: mock.call_count == 1) self.assertEqual(mock.call_count, 1) @sync async def test_get_rect(self): rect = WdomElement('div', style='width:200px;height:100px;') self.tag.appendChild(rect) await asyncio.sleep(self.wait_time) data = await rect.getBoundingClientRect() self.assertEqual(data['width'], 200) self.assertEqual(data['height'], 100) @sync async def test_scroll(self): rect = WdomElement('div', style='width:3000px;height:3000px;background:#eee;') # noqa: #501 self.tag.appendChild(rect) await asyncio.sleep(self.wait_time) X = await rect.scrollX() Y = await rect.scrollY() self.assertEqual(X['x'], 0) self.assertEqual(Y['y'], 0) rect.scrollTo(200, 200) await asyncio.sleep(self.wait_time) X = await rect.scrollX() Y = await rect.scrollY() self.assertEqual(X['x'], 200) self.assertEqual(Y['y'], 200) def test_exec(self): self.tag.exec('this.style = "color: red;"') self.set_element(self.tag) self.wait_until( lambda: re.search(r'255,\s*0,\s* 0,\s*1\s*', self.element.value_of_css_property('color'))) self.assertRegex(self.element.value_of_css_property('color'), r'255,\s*0,\s* 0,\s*1\s*') self.tag.exec('node.style = "color: blue;"') self.wait_until( lambda: re.search(r'0,\s*0,\s* 255,\s*1\s*', self.element.value_of_css_property('color'))) self.assertRegex(self.element.value_of_css_property('color'), r'0,\s*0,\s*255,\s*1\s*') def test_exec_error(self): with self.assertLogs('wdom.server', 'ERROR') as log: self.tag.exec('a.b') self.wait_until(lambda: len(log.output) > 0) self.assertRegex(log.output[0], r'JS: ReferenceError')
class TestWdomElement(PyppeteerTestCase): def setUp(self): super().setUp() def get_elements(self): root = WdomElement('div') self.tag = WdomElement('span', parent=root) self.df = DocumentFragment() self.c1 = WdomElement('c1') self.c2 = WdomElement('c2') self.c3 = WdomElement('c3') self.c4 = WdomElement('c4') self.c1.textContent = 'child1' self.c2.textContent = 'child2' self.c3.textContent = 'child3' self.c4.textContent = 'child4' return root @sync async def test_connection(self): self.assertTrue(self.root.connected) await self.page.goto('https://example.com') await self.wait() self.assertFalse(self.root.connected) @sync async def test_text_content(self): self.element = await self.get_element_handle(self.tag) self.assertEqual(await self.get_text(), '') self.tag.textContent = 'text' await self.wait() self.assertEqual(await self.get_text(), 'text') self.c1.textContent = 'child' self.tag.appendChild(self.c1) await self.wait_for_element(self.c1) self.assertEqual(await self.get_text(), 'textchild') self.tag.textContent = 'NewText' await self.wait() self.assertEqual(await self.get_text(), 'NewText') self.assertIsNone(await self.get_element_handle(self.c1)) t_node = Text('TextNode') self.tag.replaceChild(t_node, self.tag.childNodes[0]) await self.wait() self.assertEqual(await self.get_text(), 'TextNode') self.tag.removeChild(t_node) await self.wait() self.assertEqual(await self.get_text(), '') @sync async def test_attr(self): self.element = await self.get_element_handle(self.tag) self.assertIsNone(await self.get_attribute('src')) self.tag.setAttribute('src', 'a') await self.wait() self.assertEqual(await self.get_attribute('src'), 'a') self.tag.removeAttribute('src') await self.wait() self.assertIsNone(await self.get_attribute('src')) @sync async def test_addremove_child(self): self.tag.appendChild(self.c1) await self.wait_for_element(self.c1) self.assertEqual(await self.get_text(), 'child1') self.c1.textContent = 'Child' await self.wait() self.assertEqual(await self.get_text(), 'Child') self.tag.removeChild(self.c1) await self.wait() self.assertIsNone(await self.get_element_handle(self.c1)) self.assertEqual(await self.get_text(), '') @sync async def test_insert_child(self): # test parent in constructor self.c1 = WdomElement('c1', parent=self.tag) await self.wait_for_element(self.c1) self.c1.textContent = 'child1' await self.wait() self.assertTrue(await self.get_element_handle(self.c1)) self.assertIsNone(await self.get_element_handle(self.c2)) self.assertEqual(await self.get_text(), 'child1') self.tag.insertBefore(self.c2, self.c1) await self.wait_for_element(self.c2) self.assertTrue(await self.get_element_handle(self.c2)) self.assertEqual(await self.get_text(), 'child2child1') self.tag.empty() await self.wait() self.assertEqual(await self.get_text(), '') self.assertIsNone(await self.get_element_handle(self.c1)) self.assertIsNone(await self.get_element_handle(self.c2)) @sync async def test_add_df(self): self.df.append(self.c1, self.c2, 'text') self.tag.appendChild(self.df) await self.wait_for_element(self.c1) await self.wait_for_element(self.c2) self.assertEqual(await self.get_text(), 'child1child2text') df = DocumentFragment() df.append(self.c3, 'text2') self.tag.appendChild(df) await self.wait_for_element(self.c3) self.assertEqual(await self.get_text(), 'child1child2textchild3text2') @sync async def test_insert_df(self): self.tag.appendChild(self.c1) await self.wait_for_element(self.c1) self.df.append(self.c2, self.c3, 'text') self.tag.insertBefore(self.df, self.c1) await self.wait_for_element(self.c2) await self.wait_for_element(self.c3) self.assertEqual(await self.get_text(), 'child2child3textchild1') df = DocumentFragment() df.append(self.c4, 'text2') self.tag.insertBefore(df, self.c3) await self.wait_for_element(self.c4) self.assertEqual(await self.get_text(), 'child2child4text2child3textchild1') # noqa @sync async def test_replace_child(self): self.tag.appendChild(self.c1) await self.wait_for_element(self.c1) self.assertIsNotNone(await self.get_element_handle(self.c1)) self.assertIsNone(await self.get_element_handle(self.c2)) self.assertEqual(await self.get_text(), 'child1') self.tag.replaceChild(self.c2, self.c1) await self.wait_for_element(self.c2) self.assertIsNone(await self.get_element_handle(self.c1)) self.assertIsNotNone(await self.get_element_handle(self.c2)) self.assertEqual(await self.get_text(), 'child2') @sync async def test_append(self): self.tag.append(self.c1) await self.wait_for_element(self.c1) self.assertEqual(await self.get_text(), 'child1') self.tag.append(self.c2, self.c3) await self.wait_for_element(self.c2) await self.wait_for_element(self.c3) self.assertEqual(await self.get_text(), 'child1child2child3') self.tag.append(self.c4, self.c1) await self.wait_for_element(self.c4) self.assertEqual(await self.get_text(), 'child2child3child4child1') self.tag.append('t1', 't2') await self.wait() self.assertEqual(await self.get_text(), 'child2child3child4child1t1t2') @sync async def test_prepend(self): self.tag.prepend(self.c1) await self.wait_for_element(self.c1) self.assertEqual(await self.get_text(), 'child1') self.tag.prepend(self.c2, self.c3) await self.wait_for_element(self.c2) await self.wait_for_element(self.c3) self.assertEqual(await self.get_text(), 'child2child3child1') self.tag.prepend(self.c4, self.c1) await self.wait_for_element(self.c4) self.assertEqual(await self.get_text(), 'child4child1child2child3') self.tag.prepend('t1', 't2') await self.wait() self.assertEqual(await self.get_text(), 't1t2child4child1child2child3') @sync async def test_prepend_append_text(self): self.tag.append('t1') await self.wait() self.assertEqual(await self.get_text(), 't1') self.tag.firstChild.remove() await self.wait() self.assertEqual(await self.get_text(), '') self.tag.prepend('t2') await self.wait() self.assertEqual(await self.get_text(), 't2') self.tag.append('t3', 't4') await self.wait() self.assertEqual(await self.get_text(), 't2t3t4') self.tag.prepend('t5', 't6') await self.wait() self.assertEqual(await self.get_text(), 't5t6t2t3t4') @sync async def test_after(self): self.tag.append(self.c1) await self.wait_for_element(self.c1) self.c1.after(self.c2) await self.wait_for_element(self.c2) self.assertEqual(await self.get_text(), 'child1child2') self.c1.after(self.c3, self.c4) await self.wait_for_element(self.c3) await self.wait_for_element(self.c4) self.assertEqual(await self.get_text(), 'child1child3child4child2') self.c1.after(self.c2, 'text') await self.wait() self.assertEqual(await self.get_text(), 'child1child2textchild3child4') @sync async def test_before(self): self.tag.append(self.c1) await self.wait_for_element(self.c1) self.c1.before(self.c2) await self.wait_for_element(self.c2) self.assertEqual(await self.get_text(), 'child2child1') self.c1.before(self.c3, self.c4) await self.wait_for_element(self.c3) await self.wait_for_element(self.c4) self.assertEqual(await self.get_text(), 'child2child3child4child1') self.c1.before(self.c2, 'text') await self.wait() self.assertEqual(await self.get_text(), 'child3child4child2textchild1') @sync async def test_after_before_text(self): self.tag.append('a') t = self.tag.firstChild t.after('b') await self.wait() self.assertEqual(await self.get_text(), 'ab') t.after('c', 'd') await self.wait() self.assertEqual(await self.get_text(), 'acdb') t.before('e') await self.wait() self.assertEqual(await self.get_text(), 'eacdb') t.before('f', 'g') await self.wait() self.assertEqual(await self.get_text(), 'efgacdb') @sync async def test_inner_html(self): self.tag.innerHTML = '<div>a</div>' await self.wait() self.assertEqual(await self.get_text(), 'a') @sync async def test_shortcut_attr(self): tag = await self.get_element_handle(self.tag) self.tag.textContent = 'TAG' await self.wait() self.assertFalse(await tag.evaluate('(elm) => elm.hasAttribute("hidden")')) self.tag.hidden = True await self.wait() self.assertTrue(await tag.evaluate('(elm) => elm.hasAttribute("hidden")')) self.tag.hidden = False await self.wait() self.assertFalse(await tag.evaluate('(elm) => elm.hasAttribute("hidden")')) @sync async def test_style(self): self.element = await self.get_element_handle(self.tag) self.tag.textContent = 'Style' await self.wait() self.assertIsNone(await self.get_attribute('style')) style = 'color: red;' self.tag.style = style await self.wait() self.assertEqual(await self.get_attribute('style'), style) self.tag.style.color = 'black' await self.wait() self.assertEqual(await self.get_attribute('style'), 'color: black;') @sync async def test_classlist(self): self.element = await self.get_element_handle(self.tag) self.assertEqual(await self.get_attribute('class'), None) self.assertNotIn('class', await self.element.evaluate('(elm) => elm.outerHTML')) self.tag.classList.add('a') await self.wait() self.assertEqual(await self.get_attribute('class'), 'a') self.tag.classList.add('b', 'c', 'd') await self.wait() self.assertEqual(await self.get_attribute('class'), 'a b c d') self.tag.classList.remove('c') await self.wait() self.assertEqual(await self.get_attribute('class'), 'a b d') self.tag.classList.remove('a', 'd') await self.wait() self.assertEqual(await self.get_attribute('class'), 'b') self.tag.classList.toggle('b') await self.wait() self.assertEqual(await self.get_attribute('class'), None) self.assertNotIn('class', await self.element.evaluate('(elm) => elm.outerHTML')) self.tag.classList.toggle('b') await self.wait() self.assertEqual(await self.get_attribute('class'), 'b') @sync async def test_click(self): mock = MagicMock(_is_coroutine=False) self.tag.addEventListener('click', mock) self.tag.click() await self.wait() self.assertEqual(mock.call_count, 1) @sync async def test_get_rect(self): rect = WdomElement('div', style='width:200px;height:100px;') self.tag.appendChild(rect) await self.wait() data = await rect.getBoundingClientRect() self.assertEqual(data['width'], 200) self.assertEqual(data['height'], 100) @sync async def test_scroll(self): rect = WdomElement( 'div', style='width:3000px;height:3000px;background:#eee;') # noqa: #501 self.tag.appendChild(rect) await self.wait() X = await rect.scrollX() Y = await rect.scrollY() self.assertEqual(X['x'], 0) self.assertEqual(Y['y'], 0) rect.scrollTo(200, 200) await asyncio.sleep(self.wait_time) X = await rect.scrollX() Y = await rect.scrollY() self.assertEqual(X['x'], 200) self.assertEqual(Y['y'], 200) @sync async def test_exec(self): self.element = await self.get_element_handle(self.tag) self.tag.exec('this.style = "color: red;"') await self.wait() self.assertEqual(await self.get_attribute('style'), 'color: red;') self.tag.exec('node.style = "color: blue;"') await self.wait() self.assertEqual(await self.get_attribute('style'), 'color: blue;') @sync async def test_exec_error(self): with self.assertLogs('wdom.server', 'ERROR') as log: self.tag.exec('a.b') await self.wait() self.assertRegex(log.output[0], r'JS: ReferenceError')