from __future__ import unicode_literals
from .. import unittest
from fig.service import Service
from fig.project import Project, ConfigurationError

class ProjectTest(unittest.TestCase):
    def test_from_dict(self):
        project = Project.from_dicts('figtest', [
            {
                'name': 'web',
                'image': 'busybox:latest'
            },
            {
                'name': 'db',
                'image': 'busybox:latest'
            },
        ], None)
        self.assertEqual(len(project.services), 2)
        self.assertEqual(project.get_service('web').name, 'web')
        self.assertEqual(project.get_service('web').options['image'], 'busybox:latest')
        self.assertEqual(project.get_service('db').name, 'db')
        self.assertEqual(project.get_service('db').options['image'], 'busybox:latest')

    def test_from_dict_sorts_in_dependency_order(self):
        project = Project.from_dicts('figtest', [
            {
                'name': 'web',
                'image': 'busybox:latest',
                'links': ['db'],
            },
            {
                'name': 'db',
                'image': 'busybox:latest'
            }
        ], None)

        self.assertEqual(project.services[0].name, 'db')
        self.assertEqual(project.services[1].name, 'web')

    def test_from_config(self):
        project = Project.from_config('figtest', {
            'web': {
                'image': 'busybox:latest',
            },
            'db': {
                'image': 'busybox:latest',
            },
        }, None)
        self.assertEqual(len(project.services), 2)
        self.assertEqual(project.get_service('web').name, 'web')
        self.assertEqual(project.get_service('web').options['image'], 'busybox:latest')
        self.assertEqual(project.get_service('db').name, 'db')
        self.assertEqual(project.get_service('db').options['image'], 'busybox:latest')

    def test_from_config_throws_error_when_not_dict(self):
        with self.assertRaises(ConfigurationError):
            project = Project.from_config('figtest', {
                'web': 'busybox:latest',
            }, None)

    def test_get_service(self):
        web = Service(
            project='figtest',
            name='web',
            client=None,
            image="busybox:latest",
        )
        project = Project('test', [web], None)
        self.assertEqual(project.get_service('web'), web)