import os
import unittest

from flask import current_app
from flask_testing import TestCase

from backend import app

basedir = os.path.abspath(os.path.join(os.path.abspath(app.root_path), os.pardir))


class TestDevelopmentConfig(TestCase):
    def create_app(self):
        app.config.from_object('backend.config.DevelopmentConfig')
        return app

    def test_app_is_development(self):
        self.assertFalse(app.config['SECRET_KEY'] is 'you-will-never-guess')
        self.assertTrue(app.config['DEBUG'] is True)
        self.assertFalse(current_app is None)
        self.assertTrue(
            app.config['SQLALCHEMY_DATABASE_URI'] == 'sqlite:///' + os.path.join(basedir, 'app.db_debug')
        )


class TestTestingConfig(TestCase):
    def create_app(self):
        app.config.from_object('backend.config.TestingConfig')
        return app

    def test_app_is_testing(self):
        self.assertFalse(app.config['SECRET_KEY'] is 'you-will-never-guess')
        self.assertTrue(app.config['DEBUG'])
        self.assertTrue(
            app.config['SQLALCHEMY_DATABASE_URI'] == 'sqlite:///' + os.path.join(basedir, 'app.db_test')
        )


class TestProductionConfig(TestCase):
    def create_app(self):
        app.config.from_object('backend.config.Config')
        return app

    def test_app_is_production(self):
        self.assertTrue(app.config['DEBUG'] is False)


if __name__ == '__main__':
    unittest.main()