from django.test import TestCase

from localized_fields.fields import LocalizedField
from localized_fields.value import LocalizedValue

from .fake_model import get_fake_model


class LocalizedModelTestCase(TestCase):
    """Tests whether the :see:LocalizedModel class."""

    TestModel = None

    @classmethod
    def setUpClass(cls):
        """Creates the test model in the database."""

        super(LocalizedModelTestCase, cls).setUpClass()

        cls.TestModel = get_fake_model({"title": LocalizedField()})

    @classmethod
    def test_defaults(cls):
        """Tests whether all :see:LocalizedField fields are assigned an empty
        :see:LocalizedValue instance when the model is instanitiated."""

        obj = cls.TestModel()

        assert isinstance(obj.title, LocalizedValue)

    @classmethod
    def test_model_init_kwargs(cls):
        """Tests whether all :see:LocalizedField fields are assigned an empty
        :see:LocalizedValue instance when the model is instanitiated."""
        data = {
            "title": {
                "en": "english_title",
                "ro": "romanian_title",
                "nl": "dutch_title",
            }
        }
        obj = cls.TestModel(**data)

        assert isinstance(obj.title, LocalizedValue)
        assert obj.title.en == "english_title"
        assert obj.title.ro == "romanian_title"
        assert obj.title.nl == "dutch_title"