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test_release.py
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test_release.py
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"""
Unit tests for the Deis api app.
Run the tests with "./manage.py test api"
"""
import json
import uuid
from django.contrib.auth.models import User
from django.core.cache import cache
from django.conf import settings
from unittest import mock
from rest_framework.authtoken.models import Token
from api.models import App, Release
from scheduler import KubeHTTPException
from api.tests import adapter, mock_port, DeisTransactionTestCase
import requests_mock
@requests_mock.Mocker(real_http=True, adapter=adapter)
@mock.patch('api.models.release.publish_release', lambda *args: None)
@mock.patch('api.models.release.docker_get_port', mock_port)
class ReleaseTest(DeisTransactionTestCase):
"""Tests push notification from build system"""
fixtures = ['tests.json']
def setUp(self):
self.user = User.objects.get(username='autotest')
self.token = Token.objects.get(user=self.user).key
self.client.credentials(HTTP_AUTHORIZATION='Token ' + self.token)
def tearDown(self):
# make sure every test has a clean slate for k8s mocking
cache.clear()
def test_release(self, mock_requests):
"""
Test that a release is created when an app is created, and
that updating config or build or triggers a new release
"""
app_id = self.create_app()
# check that updating config rolls a new release
url = '/v2/apps/{app_id}/config'.format(**locals())
body = {'values': json.dumps({'NEW_URL1': 'http://localhost:8080/'})}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 201, response.data)
self.assertIn('NEW_URL1', response.data['values'])
# check to see that an initial release was created
url = '/v2/apps/{app_id}/releases'.format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200, response.data)
# account for the config release as well
self.assertEqual(response.data['count'], 2)
url = '/v2/apps/{app_id}/releases/v1'.format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200, response.data)
release1 = response.data
self.assertIn('config', response.data)
self.assertIn('build', response.data)
self.assertEqual(release1['version'], 1)
# check to see that a new release was created
url = '/v2/apps/{app_id}/releases/v2'.format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200, response.data)
release2 = response.data
self.assertNotEqual(release1['uuid'], release2['uuid'])
self.assertNotEqual(release1['config'], release2['config'])
self.assertEqual(release1['build'], release2['build'])
self.assertEqual(release2['version'], 2)
# check that updating the build rolls a new release
url = '/v2/apps/{app_id}/builds'.format(**locals())
build_config = json.dumps({'PATH': 'bin:/usr/local/bin:/usr/bin:/bin'})
body = {'image': 'autotest/example'}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 201, response.data)
self.assertEqual(response.data['image'], body['image'])
# check to see that a new release was created
url = '/v2/apps/{app_id}/releases/v3'.format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200, response.data)
release3 = response.data
self.assertNotEqual(release2['uuid'], release3['uuid'])
self.assertNotEqual(release2['build'], release3['build'])
self.assertEqual(release3['version'], 3)
# check that we can fetch a previous release
url = '/v2/apps/{app_id}/releases/v2'.format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200, response.data)
release2 = response.data
self.assertNotEqual(release2['uuid'], release3['uuid'])
self.assertNotEqual(release2['build'], release3['build'])
self.assertEqual(release2['version'], 2)
# disallow post/put/patch/delete
url = '/v2/apps/{app_id}/releases'.format(**locals())
response = self.client.post(url)
self.assertEqual(response.status_code, 405, response.content)
response = self.client.put(url)
self.assertEqual(response.status_code, 405, response.content)
response = self.client.patch(url)
self.assertEqual(response.status_code, 405, response.content)
response = self.client.delete(url)
self.assertEqual(response.status_code, 405, response.content)
return release3
def test_response_data(self, mock_requests):
app_id = self.create_app()
body = {'values': json.dumps({'NEW_URL': 'http://localhost:8080/'})}
url = '/v2/apps/{}/config'.format(app_id)
config_response = self.client.post(url, body)
url = '/v2/apps/{}/releases/v2'.format(app_id)
response = self.client.get(url)
for key in response.data.keys():
self.assertIn(key, ['uuid', 'owner', 'created', 'updated', 'app', 'build', 'config',
'summary', 'version'])
expected = {
'owner': self.user.username,
'app': app_id,
'build': None,
'config': uuid.UUID(config_response.data['uuid']),
'summary': '{} added NEW_URL'.format(self.user.username),
'version': 2
}
self.assertDictContainsSubset(expected, response.data)
def test_release_rollback(self, mock_requests):
app_id = self.create_app()
app = App.objects.get(id=app_id)
# try to rollback with only 1 release extant, expecting 400
url = "/v2/apps/{app_id}/releases/rollback/".format(**locals())
response = self.client.post(url)
self.assertEqual(response.status_code, 400, response.data)
self.assertEqual(response.data, {'detail': 'version cannot be below 0'})
self.assertEqual(response.get('content-type'), 'application/json')
# update the build to roll a new release
url = '/v2/apps/{app_id}/builds'.format(**locals())
body = {'image': 'autotest/example'}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 201, response.data)
# update config to roll another release
url = '/v2/apps/{app_id}/config'.format(**locals())
body = {'values': json.dumps({'NEW_URL1': 'http://localhost:8080/'})}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 201, response.data)
# create another release with a different build
url = '/v2/apps/{app_id}/builds'.format(**locals())
body = {'image': 'autotest/example:canary'}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 201, response.data)
# rollback and check to see that a 5th release was created
# with the build and config of release #3
url = "/v2/apps/{app_id}/releases/rollback/".format(**locals())
response = self.client.post(url)
self.assertEqual(response.status_code, 201, response.data)
self.assertEqual(Release.objects.count(), 5)
release1 = Release.objects.get(app=app, version=1)
release2 = Release.objects.get(app=app, version=2)
release3 = Release.objects.get(app=app, version=3)
release4 = Release.objects.get(app=app, version=4)
release5 = Release.objects.get(app=app, version=5)
# verify the rollback to v3
self.assertNotEqual(release5.uuid, release3.uuid)
self.assertNotEqual(release5.build, release4.build)
self.assertEqual(release5.build, release3.build)
self.assertEqual(release5.config.values, release3.config.values)
# double-check to see that the current build and config is the same as v3
self.assertEqual(release5.build.image, 'autotest/example')
self.assertEqual(release5.config.values, {'NEW_URL1': 'http://localhost:8080/'})
# try to rollback to v1 and verify that the rollback failed
# (v1 is an initial release with no build)
url = "/v2/apps/{app_id}/releases/rollback/".format(**locals())
body = {'version': 1}
response = self.client.post(url, body)
self.assertContains(response, 'Cannot roll back to initial release.', status_code=400)
# roll back to v2 so we can verify config gets rolled back too
url = "/v2/apps/{app_id}/releases/rollback/".format(**locals())
body = {'version': 2}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 201, response.data)
self.assertEqual(Release.objects.count(), 6)
release6 = Release.objects.get(app=app, version=6)
self.assertEqual(release6.build.image, 'autotest/example')
self.assertEqual(release6.config.values, {})
def test_release_str(self, mock_requests):
"""Test the text representation of a release."""
release3 = self.test_release()
release = Release.objects.get(uuid=release3['uuid'])
self.assertEqual(str(release), "{}-v3".format(release3['app']))
def test_release_summary(self, mock_requests):
"""Test the text summary of a release."""
release = self.test_release()
app = App.objects.get(id=release['app'])
release = app.release_set.latest()
# check that the release has push and env change messages
self.assertIn('autotest deployed ', release.summary)
# add config and routable flags, confirm that routable
# and config objects are in the summary
url = '/v2/apps/{app.id}/config'.format(**locals())
body = {
'values': json.dumps({'FOO': 'bar'}),
'routable': False,
}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 201, response.data)
self.assertEqual(
'autotest added FOO and autotest disabled routing',
app.release_set.latest().summary)
def test_admin_can_create_release(self, mock_requests):
"""If a non-user creates an app, an admin should be able to create releases."""
user = User.objects.get(username='autotest2')
token = Token.objects.get(user=user).key
self.client.credentials(HTTP_AUTHORIZATION='Token ' + token)
app_id = self.create_app()
# check that updating config rolls a new release
url = '/v2/apps/{app_id}/config'.format(**locals())
body = {'values': json.dumps({'NEW_URL1': 'http://localhost:8080/'})}
self.client.credentials(HTTP_AUTHORIZATION='Token ' + self.token)
response = self.client.post(url, body)
self.assertEqual(response.status_code, 201, response.data)
self.assertIn('NEW_URL1', response.data['values'])
# check to see that an initial release was created
url = '/v2/apps/{app_id}/releases'.format(**locals())
response = self.client.get(url)
self.assertEqual(response.status_code, 200, response.data)
# account for the config release as well
self.assertEqual(response.data['count'], 2)
def test_unauthorized_user_cannot_modify_release(self, mock_requests):
"""
An unauthorized user should not be able to modify other releases.
Since an unauthorized user should not know about the application at all, these
requests should return a 404.
"""
app_id = self.create_app()
# push a new build
url = '/v2/apps/{app_id}/builds'.format(**locals())
body = {'image': 'test'}
response = self.client.post(url, body)
# update config to roll a new release
url = '/v2/apps/{app_id}/config'.format(**locals())
body = {'values': json.dumps({'NEW_URL1': 'http://localhost:8080/'})}
response = self.client.post(url, body)
unauthorized_user = User.objects.get(username='autotest2')
unauthorized_token = Token.objects.get(user=unauthorized_user).key
# try to rollback
self.client.credentials(HTTP_AUTHORIZATION='Token ' + unauthorized_token)
url = '/v2/apps/{app_id}/releases/rollback/'.format(**locals())
response = self.client.post(url)
self.assertEqual(response.status_code, 403)
def test_release_rollback_failure(self, mock_requests):
"""
Cause an Exception in app.deploy to cause a release.delete
"""
app_id = self.create_app()
# deploy app to get a build
url = "/v2/apps/{}/builds".format(app_id)
body = {'image': 'autotest/example'}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 201, response.data)
self.assertEqual(response.data['image'], body['image'])
# update config to roll a new release
url = '/v2/apps/{}/config'.format(app_id)
body = {'values': json.dumps({'NEW_URL1': 'http://localhost:8080/'})}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 201, response.data)
# update config to roll a new release
url = '/v2/apps/{}/config'.format(app_id)
body = {'values': json.dumps({'NEW_URL2': 'http://localhost:8080/'})}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 201, response.data)
# app.deploy exception
with mock.patch('api.models.App.deploy') as mock_deploy:
mock_deploy.side_effect = Exception('Boom!')
url = "/v2/apps/{}/releases/rollback/".format(app_id)
body = {'version': 2}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 400, response.data)
# app.deploy exception followed by a KubeHTTPException of 404
with mock.patch('api.models.App.deploy') as mock_deploy:
mock_deploy.side_effect = Exception('Boom!')
with mock.patch('api.models.Release._delete_release_in_scheduler') as mock_kube:
# instead of full request mocking, fake it out in a simple way
class Response(object):
def json(self):
return '{}'
response = Response()
response.status_code = 404
response.reason = "Not Found"
kube_exception = KubeHTTPException(response, 'big boom')
mock_kube.side_effect = kube_exception
url = "/v2/apps/{}/releases/rollback/".format(app_id)
body = {'version': 2}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 400, response.data)
def test_release_unset_config(self, mock_requests):
"""
Test that a release is created when an app is created, a config can be
set and then unset without causing a 409 (conflict)
"""
app_id = self.create_app()
# check that updating config rolls a new release
url = '/v2/apps/{app_id}/config'.format(**locals())
body = {'cpu': json.dumps({'cmd': None})}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 422, response.data)
def test_release_no_change(self, mock_requests):
"""
Test that a release is created when an app is created, and
then has 2 identical config set, causing a 409 as there was
no change
"""
app_id = self.create_app()
# check that updating config rolls a new release
url = '/v2/apps/{app_id}/config'.format(**locals())
body = {'values': json.dumps({'NEW_URL1': 'http://localhost:8080/'})}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 201, response.data)
self.assertIn('NEW_URL1', response.data['values'])
# trigger identical release
url = '/v2/apps/{app_id}/config'.format(**locals())
body = {'values': json.dumps({'NEW_URL1': 'http://localhost:8080/'})}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 409, response.data)
def test_release_get_port(self, mock_requests):
"""
Test that get_port always returns the proper value.
"""
app_id = self.create_app()
app = App.objects.get(id=app_id)
url = '/v2/apps/{app_id}/builds'.format(**locals())
body = {'sha': '123456', 'image': 'autotest/example'}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 201, response.data)
release = app.release_set.latest()
# when app is not routable, then it still return 5000
self.assertEqual(release.get_port(), 5000)
# when a buildpack type, default to 5000
self.assertEqual(release.get_port(), 5000)
# switch to a dockerfile app or else it'll automatically default to 5000
url = '/v2/apps/{app_id}/builds'.format(**locals())
body = {'image': 'autotest/example'}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 201, response.data)
url = '/v2/apps/{app_id}/config'.format(**locals())
body = {'values': json.dumps({'PORT': '8080'})}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 201, response.data)
release = app.release_set.latest()
# check that the port number returned is an int, not a string
self.assertEqual(release.get_port(), 8080)
# TODO(bacongobbler): test dockerfile ports
def test_release_external_registry(self, mock_requests):
"""
Test that get_port always returns the proper value.
"""
app_id = "test"
body = {'id': app_id}
response = self.client.post('/v2/apps', body,)
self.assertEqual(response.status_code, 201, response.data)
body = {'values': json.dumps({'PORT': '3000'})}
config_response = self.client.post('/v2/apps/test/config', body)
self.assertEqual(config_response.status_code, 201, config_response.data)
app = App.objects.get(id=app_id)
settings.REGISTRY_LOCATION = "off-cluster"
url = '/v2/apps/{app_id}/builds'.format(**locals())
body = {'image': 'test/autotest/example'}
response = self.client.post(url, body)
self.assertEqual(response.status_code, 201, response.data)
release = app.release_set.latest()
self.assertEqual(release.get_port(), 3000)
self.assertEqual(release.image, 'test/autotest/example')