def test_ensure_field_no_field():
builder = ConferenceBuilder()
assert 'test_field' not in builder.record
builder._ensure_field('test_field', default_value='test_value')
assert 'test_field' in builder.record
assert builder.record['test_field'] == 'test_value'
def test_ensure_field_separate():
builder = ConferenceBuilder()
obj = {'field_one': 'value'}
builder._ensure_field('test_field', default_value='test_value', obj=obj)
builder._ensure_field('field_one', 'wrong_value', obj=obj)
assert 'test_field' in obj
assert obj['test_field'] == 'test_value'
assert obj['field_one'] == 'value'