def validate_presenters(presenters):
"""Check validity of the list of presenters.
This function should never fail since the checks should already have been made client-side.
"""
mandatory_keys = ['is_lead', 'email', 'name', 'bio', 'country']
leads_found = []
for presenter in presenters:
for key in mandatory_keys:
if key not in presenter:
return False, '{} attribute is mandatory for Presenters'.format(key)
if presenter[key] is None:
return False, '{} attribute should have valid data'.format(key)
if not is_valid_email(presenter['email']):
return False, '{} not a valid email'.format(presenter['email'])
if not is_valid_name(presenter['name']):
return False, '{} not a valid name'.format(presenter['name'])
if not is_valid_bio(presenter['bio']):
return False, '{} not a valid bio'.format(presenter['bio'])
if not is_valid_country(presenter['country']):
return False, '{} not a valid country'.format(presenter['country'])
if presenter['is_lead']:
leads_found.append(presenter['email'])
lead_count = len(leads_found)
if lead_count == 0:
return False, 'No lead presenter.'
elif lead_count > 1:
return False, '{} marked as lead presenters'.format(leads_found)
return True, 'validated'
def test_unknown_country_is_not_valid_country():
assert not utils.is_valid_country('Middle Earth')
def test_known_country_is_valid_country(country):
assert utils.is_valid_country(country)