Jenkinsfile: use pgvirtualenv

Jenkinsfile

@@ -6,10 +6,16 @@ pipeline {
         disableConcurrentBuilds()
         timeout(time: 20, unit: 'MINUTES')
     }
+    environment {
+        TMPDIR = "${sh(returnStdout: true, script: "mktemp -d").trim()}"
+    }
     stages {
         stage('Unit Tests') {
             steps {
-                sh 'tox -r'
+                sh """
+python3 -m venv ${env.TMPDIR}/venv/
+${env.TMPDIR}/venv/bin/pip install tox
+PGPORT=`python -c 'import struct; import socket; s=socket.socket(); s.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, struct.pack("ii", 1, 0)); s.bind(("", 0)); print(s.getsockname()[1]); s.close()'` pg_virtualenv -o fsync=off ${env.TMPDIR}/venv/bin/tox -r --workdir ${env.TMPDIR}/tox/"""
             }
             post {
                 always {
@@ -41,6 +47,7 @@ pipeline {
             }
         }
         cleanup {
+            sh "rm -rf ${env.TMPDIR}"
             cleanWs()
         }
     }

tests/settings.py

@@ -22,7 +22,11 @@ DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.postgresql_psycopg2',
         'TEST': {
-            'NAME': 'barbacompta-test-%s' % os.environ.get("BRANCH_NAME", "").replace('/', '-')[:45],
+            'NAME': 'barbacompta-test',
         },
     }
 }
+
+for key in ('PGPORT', 'PGHOST', 'PGUSER', 'PGPASSWORD'):
+    if key in os.environ:
+        DATABASES['default']['TEST'][key[2:]] = os.environ[key]