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test_container.py
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"""
Unit tests for the Deis api app.
Run the tests with "./manage.py test api"
"""
from __future__ import unicode_literals
import json
from django.contrib.auth.models import User
from django.test import TransactionTestCase
from django.test.utils import override_settings
from api.models import Container, App
@override_settings(CELERY_ALWAYS_EAGER=True)
class ContainerTest(TransactionTestCase):
"""Tests creation of containers on nodes"""
fixtures = ['tests.json']
def setUp(self):
self.assertTrue(
self.client.login(username='autotest', password='password'))
body = {'id': 'autotest', 'domain': 'autotest.local', 'type': 'mock',
'hosts': 'host1,host2', 'auth': 'base64string', 'options': {}}
response = self.client.post('/api/clusters', json.dumps(body),
content_type='application/json')
self.assertEqual(response.status_code, 201)
def test_container(self):
url = '/api/apps'
body = {'cluster': 'autotest'}
response = self.client.post(url, json.dumps(body), content_type='application/json')
self.assertEqual(response.status_code, 201)
app_id = response.data['id']
# create a container
c = Container.objects.create(owner=User.objects.get(username='autotest'),
app=App.objects.get(id=app_id),
release=App.objects.get(id=app_id).release_set.latest(),
type='web',
num=1)
self.assertEqual(c.state, 'initialized')
c.create()
self.assertEqual(c.state, 'created')
c.start()
self.assertEqual(c.state, 'up')
c.destroy()
self.assertEqual(c.state, 'destroyed')
def test_container_api(self):
url = '/api/apps'
body = {'cluster': 'autotest'}
response = self.client.post(url, json.dumps(body), content_type='application/json')
self.assertEqual(response.status_code, 201)
app_id = response.data['id']
# should start with zero
url = "/api/apps/{app_id}/containers".format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200)
self.assertEqual(len(response.data['results']), 0)
# scale up
url = "/api/apps/{app_id}/scale".format(**locals())
body = {'web': 4, 'worker': 2}
response = self.client.post(url, json.dumps(body), content_type='application/json')
self.assertEqual(response.status_code, 204)
url = "/api/apps/{app_id}/containers".format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200)
self.assertEqual(len(response.data['results']), 6)
url = "/api/apps/{app_id}".format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200)
# test listing/retrieving container info
url = "/api/apps/{app_id}/containers/web".format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200)
self.assertEqual(len(response.data['results']), 4)
num = response.data['results'][0]['num']
url = "/api/apps/{app_id}/containers/web/{num}".format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200)
self.assertEqual(response.data['num'], num)
# scale down
url = "/api/apps/{app_id}/scale".format(**locals())
body = {'web': 2, 'worker': 1}
response = self.client.post(url, json.dumps(body), content_type='application/json')
self.assertEqual(response.status_code, 204)
url = "/api/apps/{app_id}/containers".format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200)
self.assertEqual(len(response.data['results']), 3)
url = "/api/apps/{app_id}".format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200)
# scale down to 0
url = "/api/apps/{app_id}/scale".format(**locals())
body = {'web': 0, 'worker': 0}
response = self.client.post(url, json.dumps(body), content_type='application/json')
self.assertEqual(response.status_code, 204)
url = "/api/apps/{app_id}/containers".format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200)
self.assertEqual(len(response.data['results']), 0)
url = "/api/apps/{app_id}".format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200)
def test_container_release(self):
url = '/api/apps'
body = {'cluster': 'autotest'}
response = self.client.post(url, json.dumps(body), content_type='application/json')
self.assertEqual(response.status_code, 201)
app_id = response.data['id']
# should start with zero
url = "/api/apps/{app_id}/containers".format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200)
self.assertEqual(len(response.data['results']), 0)
# scale up
url = "/api/apps/{app_id}/scale".format(**locals())
body = {'web': 1}
response = self.client.post(url, json.dumps(body), content_type='application/json')
self.assertEqual(response.status_code, 204)
url = "/api/apps/{app_id}/containers".format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200)
self.assertEqual(len(response.data['results']), 1)
self.assertEqual(response.data['results'][0]['release'], 'v1')
# post a new build
url = "/api/apps/{app_id}/builds".format(**locals())
body = {'image': 'autotest/example'}
response = self.client.post(url, json.dumps(body), content_type='application/json')
self.assertEqual(response.status_code, 201)
self.assertEqual(response.data['image'], body['image'])
url = "/api/apps/{app_id}/containers".format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200)
self.assertEqual(len(response.data['results']), 1)
self.assertEqual(response.data['results'][0]['release'], 'v2')
# post new config
url = "/api/apps/{app_id}/config".format(**locals())
body = {'values': json.dumps({'KEY': 'value'})}
response = self.client.post(url, json.dumps(body), content_type='application/json')
self.assertEqual(response.status_code, 201)
url = "/api/apps/{app_id}/containers".format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200)
self.assertEqual(len(response.data['results']), 1)
self.assertEqual(response.data['results'][0]['release'], 'v3')
def test_container_errors(self):
url = '/api/apps'
body = {'cluster': 'autotest'}
response = self.client.post(url, json.dumps(body), content_type='application/json')
self.assertEqual(response.status_code, 201)
app_id = response.data['id']
url = "/api/apps/{app_id}/scale".format(**locals())
body = {'web': 'not_an_int'}
response = self.client.post(url, json.dumps(body), content_type='application/json')
self.assertContains(response, 'Invalid scaling format', status_code=400)
def test_container_str(self):
"""Test the text representation of a container."""
url = '/api/apps'
body = {'cluster': 'autotest'}
response = self.client.post(url, json.dumps(body), content_type='application/json')
self.assertEqual(response.status_code, 201)
app_id = response.data['id']
# scale up
url = "/api/apps/{app_id}/scale".format(**locals())
body = {'web': 4, 'worker': 2}
response = self.client.post(url, json.dumps(body), content_type='application/json')
self.assertEqual(response.status_code, 204)
# should start with zero
url = "/api/apps/{app_id}/containers".format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200)
self.assertEqual(len(response.data['results']), 6)
uuid = response.data['results'][0]['uuid']
container = Container.objects.get(uuid=uuid)
self.assertEqual(container.short_name(),
"{}.{}.{}".format(container.app, container.type, container.num))
self.assertEqual(str(container),
"{}.{}.{}".format(container.app, container.type, container.num))