from django.test import TestCase

from ..hydrators import dehydrate_value, hydrate_value
from ..models import Setting


class HydratorsTests(TestCase):
    def test_hydrate_dehydrate_string(self):
        """string value is correctly hydrated and dehydrated"""
        wet_value = "Ni!"
        dry_value = dehydrate_value("string", wet_value)
        self.assertEqual(hydrate_value("string", dry_value), wet_value)

    def test_hydrate_dehydrate_bool(self):
        """bool values are correctly hydrated and dehydrated"""
        wet_value = True
        dry_value = dehydrate_value("bool", wet_value)
        self.assertEqual(hydrate_value("bool", dry_value), wet_value)

        wet_value = False
        dry_value = dehydrate_value("bool", wet_value)
        self.assertEqual(hydrate_value("bool", dry_value), wet_value)

    def test_hydrate_dehydrate_int(self):
        """int value is correctly hydrated and dehydrated"""
        wet_value = 9001
        dry_value = dehydrate_value("int", wet_value)
        self.assertEqual(hydrate_value("int", dry_value), wet_value)

    def test_hydrate_dehydrate_list(self):
        """list is correctly hydrated and dehydrated"""
        wet_value = ["foxtrot", "uniform", "hotel"]
        dry_value = dehydrate_value("list", wet_value)
        self.assertEqual(hydrate_value("list", dry_value), wet_value)

    def test_hydrate_dehydrate_empty_list(self):
        """empty list is correctly hydrated and dehydrated"""
        wet_value = []
        dry_value = dehydrate_value("list", wet_value)
        self.assertEqual(hydrate_value("list", dry_value), wet_value)

    def test_value_error(self):
        """unsupported type raises ValueError"""
        with self.assertRaises(ValueError):
            hydrate_value("eric", None)

        with self.assertRaises(ValueError):
            dehydrate_value("eric", None)


class HydratorsModelTests(TestCase):
    def test_hydrate_dehydrate_string(self):
        """string value is correctly hydrated and dehydrated in model"""
        setting = Setting(python_type="string")

        wet_value = "Lorem Ipsum"
        dry_value = dehydrate_value(setting.python_type, wet_value)

        setting.value = wet_value
        self.assertEqual(setting.value, wet_value)
        self.assertEqual(setting.dry_value, dry_value)

    def test_hydrate_dehydrate_bool(self):
        """bool values are correctly hydrated and dehydrated in model"""
        setting = Setting(python_type="bool")

        wet_value = True
        dry_value = dehydrate_value(setting.python_type, wet_value)

        setting.value = wet_value
        self.assertEqual(setting.value, wet_value)
        self.assertEqual(setting.dry_value, dry_value)

        wet_value = False
        dry_value = dehydrate_value(setting.python_type, wet_value)

        setting.value = wet_value
        self.assertEqual(setting.value, wet_value)
        self.assertEqual(setting.dry_value, dry_value)

    def test_hydrate_dehydrate_int(self):
        """int value is correctly hydrated and dehydrated in model"""
        setting = Setting(python_type="int")

        wet_value = 9001
        dry_value = dehydrate_value(setting.python_type, wet_value)

        setting.value = wet_value
        self.assertEqual(setting.value, wet_value)
        self.assertEqual(setting.dry_value, dry_value)

    def test_hydrate_dehydrate_list(self):
        """list is correctly hydrated and dehydrated in model"""
        setting = Setting(python_type="list")

        wet_value = ["Lorem", "Ipsum", "Dolor", "Met"]
        dry_value = dehydrate_value(setting.python_type, wet_value)

        setting.value = wet_value
        self.assertEqual(setting.value, wet_value)
        self.assertEqual(setting.dry_value, dry_value)

    def test_hydrate_dehydrate_empty_list(self):
        """empty list is correctly hydrated and dehydrated in model"""
        setting = Setting(python_type="list")

        wet_value = []
        dry_value = dehydrate_value(setting.python_type, wet_value)

        setting.value = wet_value
        self.assertEqual(setting.value, wet_value)
        self.assertEqual(setting.dry_value, dry_value)