tests: add support for pg_virtualenv

Jenkinsfile

@@ -2,10 +2,19 @@
 
 pipeline {
     agent any
+    options { disableConcurrentBuilds() }
+    environment {
+        TMPDIR = "/tmp/$BUILD_TAG"
+    }
     stages {
         stage('Unit Tests') {
             steps {
-                sh 'tox -rv'
+                sh """
+mkdir ${env.TMPDIR}
+virtualenv venv
+./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 ./venv/bin/tox -rv
+"""
             }
             post {
                 always {
@@ -35,7 +44,8 @@ pipeline {
                 utils.mail_notify(currentBuild, env, 'admin+jenkins-wcs-olap@entrouvert.com')
             }
         }
-        success {
+        cleanup {
+            sh "rm -rf ${env.TMPDIR}"
             cleanWs()
         }
     }

tests/conftest.py

@@ -22,7 +22,18 @@ class Database(object):
     def __init__(self):
         self.db_name = 'db%s' % random.getrandbits(20)
         self.dsn = 'dbname=%s' % self.db_name
-        with closing(psycopg2.connect('')) as conn:
+        self.connect_kwargs = {
+            'dbname': 'postgres'
+        }
+        for variable, key in [
+                ('PGHOST', 'host'),
+                ('PGUSER', 'user'),
+                ('PGPASSWORD', 'password'),
+                ('PGPORT', 'port'),
+                ('PGDATABASE', 'dbname')]:
+            if variable in os.environ:
+                self.connect_kwargs[key] = os.environ[variable]
+        with closing(psycopg2.connect(**self.connect_kwargs)) as conn:
             conn.set_isolation_level(0)
             with conn.cursor() as cursor:
                 cursor.execute('CREATE DATABASE %s' % self.db_name)
@@ -31,7 +42,7 @@ class Database(object):
         return closing(psycopg2.connect(self.dsn))
 
     def delete(self):
-        with closing(psycopg2.connect('')) as conn:
+        with closing(psycopg2.connect(**self.connect_kwargs)) as conn:
             conn.set_isolation_level(0)
             with conn.cursor() as cursor:
                 cursor.execute('DROP DATABASE IF EXISTS %s' % self.db_name)

tox.ini

@@ -13,6 +13,10 @@ basepython = python2
 setenv =
 	coverage: COVERAGE=--junit-xml=junit.xml --cov=wcs_olap --cov-report xml --cov-report html
 	WCSCTL=wcs/wcsctl.py
+	PGPORT={env:PGPORT:}
+	PGHOST={env:PGHOST:}
+	PGUSER={env:PGUSER:}
+	PGPASSWORD={env:PGPASSWORD:}
 deps =
 	coverage
 	pytest