| from tests.support.asserts import assert_error, assert_success |
| from tests.support.image import png_dimensions |
| |
| from . import element_dimensions |
| |
| |
| def take_element_screenshot(session, element_id): |
| return session.transport.send( |
| "GET", |
| "session/{session_id}/element/{element_id}/screenshot".format( |
| session_id=session.session_id, |
| element_id=element_id, |
| ) |
| ) |
| |
| |
| def test_no_top_browsing_context(session, closed_window): |
| response = take_element_screenshot(session, "foo") |
| assert_error(response, "no such window") |
| |
| |
| def test_no_browsing_context(session, closed_frame, inline): |
| session.url = inline("<input>") |
| element = session.find.css("input", all=False) |
| |
| response = take_element_screenshot(session, element.id) |
| screenshot = assert_success(response) |
| |
| assert png_dimensions(screenshot) == element_dimensions(session, element) |
| |
| |
| def test_stale(session, inline): |
| session.url = inline("<input>") |
| element = session.find.css("input", all=False) |
| session.refresh() |
| |
| result = take_element_screenshot(session, element.id) |
| assert_error(result, "stale element reference") |
| |
| |
| def test_format_and_dimensions(session, inline): |
| session.url = inline("<input>") |
| element = session.find.css("input", all=False) |
| |
| response = take_element_screenshot(session, element.id) |
| screenshot = assert_success(response) |
| |
| assert png_dimensions(screenshot) == element_dimensions(session, element) |
