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Throw clearer error if no new window handles found

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This commit is contained in:
Thomas Kluyver 2019-01-31 11:48:10 +00:00
parent df8a548012
commit e00a86c4cb
1 changed files with 5 additions and 3 deletions
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8
notebook/tests/selenium/utils.py
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@ -324,9 +324,11 @@ def new_window(browser, selector=None):
"""
initial_window_handles = browser.window_handles
yield
new_window_handle = next(window for window in browser.window_handles
if window not in initial_window_handles)
browser.switch_to.window(new_window_handle)
new_window_handles = [window for window in browser.window_handles
if window not in initial_window_handles]
if not new_window_handles:
raise Exception("No new windows opened during context")
browser.switch_to.window(new_window_handles[0])
if selector is not None:
wait_for_selector(browser, selector)