Test gerrit and github drivers in same tenant

Only sources which use the same connection as the event originates from
are queried for changes. This avoids eg. querying the change on
different gerrit or github than the event originated from.

Change-Id: Ie1c5b223d4eec13c18f2381c3e387a0ca7801137
Co-Authored-By: Jesse Keating <omgjlk@us.ibm.com>

tests/fixtures/config/multi-driver/git/common-config/playbooks/project-gerrit.yaml

@@ -0,0 +1,2 @@
+- hosts: all
+  tasks: []

tests/fixtures/config/multi-driver/git/common-config/playbooks/project1-github.yaml

@@ -0,0 +1,2 @@
+- hosts: all
+  tasks: []

tests/fixtures/config/multi-driver/git/common-config/zuul.yaml

@@ -0,0 +1,46 @@
+- pipeline:
+    name: check_github
+    manager: independent
+    trigger:
+      github:
+        - event: pull_request
+          action:
+            - opened
+            - changed
+            - reopened
+    success:
+      github:
+        status: 'success'
+    failure:
+      github:
+        status: 'failure'
+
+- pipeline:
+    name: check_gerrit
+    manager: independent
+    trigger:
+      gerrit:
+        - event: patchset-created
+    success:
+      gerrit:
+        verify: 1
+    failure:
+      gerrit:
+        verify: 1
+
+- job:
+    name: project-gerrit
+- job:
+    name: project1-github
+
+- project:
+    name: org/project
+    check_gerrit:
+      jobs:
+        - project-gerrit
+
+- project:
+    name: org/project1
+    check_github:
+      jobs:
+        - project1-github

tests/fixtures/config/multi-driver/git/org_project/README

@@ -0,0 +1 @@
+test

tests/fixtures/config/multi-driver/git/org_project1/README

@@ -0,0 +1 @@
+test

tests/fixtures/config/multi-driver/main.yaml

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+- tenant:
+    name: tenant-one
+    source:
+      github:
+        config-projects:
+          - common-config
+        untrusted-projects:
+          - org/project1
+      gerrit:
+        untrusted-projects:
+          - org/project

tests/fixtures/zuul-connections-gerrit-and-github.conf

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+[gearman]
+server=127.0.0.1
+
+[zuul]
+tenant_config=config/multi-driver/main.yaml
+job_name_in_report=true
+
+[merger]
+git_dir=/tmp/zuul-test/git
+git_user_email=zuul@example.com
+git_user_name=zuul
+zuul_url=http://zuul.example.com/p
+
+[executor]
+git_dir=/tmp/zuul-test/executor-git
+
+[connection gerrit]
+driver=gerrit
+server=review.example.com
+user=jenkins
+sshkey=none
+
+[connection github]
+driver=github
+
+[connection outgoing_smtp]
+driver=smtp
+server=localhost
+port=25
+default_from=zuul@example.com
+default_to=you@example.com

tests/unit/test_multi_driver.py

@@ -0,0 +1,50 @@
+# Copyright 2015 GoodData
+# Copyright (c) 2017 IBM Corp.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+import logging
+from tests.base import ZuulTestCase
+
+logging.basicConfig(level=logging.DEBUG,
+                    format='%(asctime)s %(name)-32s '
+                    '%(levelname)-8s %(message)s')
+
+
+class TestGerritAndGithub(ZuulTestCase):
+    config_file = 'zuul-connections-gerrit-and-github.conf'
+    tenant_config_file = 'config/multi-driver/main.yaml'
+
+    def setup_config(self):
+        super(TestGerritAndGithub, self).setup_config()
+
+    def test_multiple_project_gerrit_and_github(self):
+        self.executor_server.hold_jobs_in_build = True
+
+        A = self.fake_gerrit.addFakeChange('org/project', 'master', 'A')
+        self.fake_gerrit.addEvent(A.getPatchsetCreatedEvent(1))
+
+        B = self.fake_github.openFakePullRequest('org/project1', 'master', 'B')
+        self.fake_github.emitEvent(B.getPullRequestOpenedEvent())
+
+        self.waitUntilSettled()
+
+        self.assertEqual(2, len(self.builds))
+        self.assertEqual('project-gerrit', self.builds[0].name)
+        self.assertEqual('project1-github', self.builds[1].name)
+        self.assertTrue(self.builds[0].hasChanges(A))
+        self.assertTrue(self.builds[1].hasChanges(B))
+
+        self.executor_server.hold_jobs_in_build = False
+        self.executor_server.release()
+        self.waitUntilSettled()