def when_present(self, timeout=5):
"""
Waits for element to be present on the current page.
Args:
timeout (integer): seconds to wait before throwing exception.
"""
self.wait_until(element_predicate(self, 'exists'), timeout)
def when_visible(self, timeout=5):
"""
Waits for element to be visible on the current page.
Args:
timeout (integer): seconds to wait before throwing exception.
"""
self.wait_until(element_predicate(self, 'is_visible'), timeout)
def when_enabled(self, timeout=5):
"""
Waits for element to be enabled on the current page.
Args:
timeout (integer): seconds to wait before throwing exception.
"""
self.wait_unitl(element_predicate(self, 'is_enabled'), timeout)