jenkins: adopt authentic way of doing tox.ini and Jenkinsfile

Jenkinsfile

@@ -2,19 +2,28 @@
 
 pipeline {
     agent any
+    options { disableConcurrentBuilds() }
+    environment {
+        TMPDIR = "/tmp/$BUILD_TAG"
+    }
     stages {
         stage('Unit Tests') {
             steps {
-                sh 'tox -rv'
+                sh "mkdir ${env.TMPDIR}"
+                sh """
+virtualenv -p python3 ${env.TMPDIR}/venv/
+${env.TMPDIR}/venv/bin/pip install tox "virtualenv<=20.0.5" "importlib-resources<=1.0.2"
+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"""
             }
             post {
                 always {
                     script {
                         utils = new Utils()
                         utils.publish_coverage('coverage.xml')
-                        utils.publish_coverage_native()
+                        utils.publish_coverage_native('index.html')
+                        utils.publish_pylint('pylint.out')
                     }
-                    junit 'junit.xml'
+                    mergeJunitResults()
                 }
             }
         }
@@ -36,6 +45,7 @@ pipeline {
             }
         }
         success {
+            sh "rm -rf ${env.TMPDIR}"
             cleanWs()
         }
     }

pylint.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+set -e
+
+pylint -f parseable "$@" > pylint.out || /bin/true

tests/conftest.py

@@ -172,7 +172,7 @@ olap = olap
 
     with (wcs_dir / 'wcs.cfg').open('w') as fd:
         fd.write(u'''[main]
-app_dir = %s\n''' % wcs_dir)
+app_dir = %s\n''' % (str(wcs_dir).replace('%', '%%')))
 
     with (wcs_dir / 'local_settings.py').open('w') as fd:
         fd.write(u'''
@@ -230,7 +230,7 @@ orig = olap
 key = olap
 schema = olap
 cubes_slug = olap-slug
-'''.format(wcs=wcs, model_dir=model_dir, dsn=postgres_db.dsn))
+'''.format(wcs=wcs, model_dir=str(model_dir).replace('%', '%%'), dsn=postgres_db.dsn))
 
     from wcs_olap import cmd
     import sys

tox.ini

@@ -5,29 +5,51 @@
 
 [tox]
 toxworkdir = {env:TMPDIR:/tmp}/tox-{env:USER}/wcs-olap/{env:BRANCH_NAME:}
-envlist = py3-coverage
+envlist = py3
+
+[tox:jenkins]
+envlist =
+  pylint
+  py3
 
 [testenv]
 usedevelop = true
 setenv =
-	coverage: COVERAGE=--junit-xml=junit.xml --cov=wcs_olap --cov-report xml --cov-report html
-	WCS_MANAGE=wcs/manage.py
+  COVERAGE={tty::--cov=wcs_olap --cov-branch --cov-append --cov-report xml --cov-report html}
+  JUNIT={tty::-o junit_suite_name={envname} --junit-xml=junit-{envname}.xml}
+  WCS_MANAGE=wcs/manage.py
+  PGDATABASE=postgres
 deps =
-	coverage
-	pytest
-	pytest-cov
-	pytest-random
-	quixote>=3
-	psycopg2-binary
-	vobject
-	pyproj
-	django-ratelimit<3
-	gadjo
-	httmock
-	django>=1.11,<1.12
+  pytest
+  pytest-cov
+  pytest-random
+  httmock
+
+# w.c.s. dependencies, as it cannot b installed through pip
+  quixote>=3
+  psycopg2-binary
+  vobject
+  pyproj
+  django-ratelimit<3
+  gadjo
+  django>=1.11,<1.12
+passenv=
+  BRANCH_NAME
+  # support for pg_virtualenv
+  PGPORT
+  PGHOST
+  PGUSER
+  PGPASSWORD
 commands =
-	./get_wcs.sh
-	py.test {env:COVERAGE:} {posargs:--random-group tests}
+  ./get_wcs.sh
+  py.test {tty:--sw:} {env:JUNIT:} {env:COVERAGE:} {posargs:--random-group tests}
+
+[testenv:pylint]
+basepython = python3
+deps =
+  pylint
+commands =
+  /bin/bash -c "./pylint.sh wcs_olap"
 
 [pytest]
 junit_family=xunit2