import pytest
from werkzeug.datastructures import MultiDict

from app.main.forms import CreateKeyForm


def test_return_validation_error_when_key_name_exists(client):
    _existing_keys = [
        {'name': 'some key'},
        {'name': 'another key'},
    ]

    form = CreateKeyForm(_existing_keys,
                         formdata=MultiDict([('key_name', 'Some key')]))
    form.key_type.choices = [('a', 'a'), ('b', 'b')]
    form.validate()
    assert form.errors['key_name'] == ['A key with this name already exists']


@pytest.mark.parametrize(
    'key_type, expected_error', [
        ('', 'This field is required.'),
        ('invalid', 'Not a valid choice')
    ]
)
def test_return_validation_error_when_key_type_not_chosen(client, key_type, expected_error):

    form = CreateKeyForm(
        [],
        formdata=MultiDict([('key_name', 'Some key'), ('key_type', key_type)]))
    form.key_type.choices = [('a', 'a'), ('b', 'b')]
    form.validate()
    assert form.errors['key_type'] == [expected_error]