Update Makefile to setup more easily the test env

Makefile

@@ -1,4 +1,4 @@
-.PHONY: clean build install dist test_venv
+.PHONY: clean build install dist test_venv test_project
 VERSION=`python setup.py -V`
 
 build:
@@ -22,14 +22,15 @@ clean_all: clean_pyc clean_build clean_tox clean_test_venv
 dist:
 	python setup.py sdist
 
-test_venv: dist
+test_venv:
 	mkdir -p test_venv
 	virtualenv test_venv
-	test_venv/bin/pip install -U django-cas-server -f ./dist/django-cas-server-${VERSION}.tar.gz
+	test_venv/bin/pip install -U --requirement requirements.txt
 
-test_venv/cas:
+test_venv/cas/manage.py:
 	mkdir -p test_venv/cas
 	test_venv/bin/django-admin startproject cas test_venv/cas
+	ln -s ../../cas_server test_venv/cas/cas_server
 	sed -i "s/'django.contrib.staticfiles',/'django.contrib.staticfiles',\n    'bootstrap3',\n    'cas_server',/" test_venv/cas/cas/settings.py
 	sed -i "s/'django.middleware.clickjacking.XFrameOptionsMiddleware',/'django.middleware.clickjacking.XFrameOptionsMiddleware',\n    'django.middleware.locale.LocaleMiddleware',/" test_venv/cas/cas/settings.py
 	sed -i 's/from django.conf.urls import url/from django.conf.urls import url, include/' test_venv/cas/cas/urls.py
@@ -37,5 +38,9 @@ test_venv/cas:
 	test_venv/bin/python test_venv/cas/manage.py migrate
 	test_venv/bin/python test_venv/cas/manage.py createsuperuser
 
-run_test_server: test_venv test_venv/cas
+test_project: test_venv test_venv/cas/manage.py
+	@echo "##############################################################"
+	@echo "A test django project was created in $(realpath test_venv/cas)"
+
+run_test_server: test_project
 	test_venv/bin/python test_venv/cas/manage.py runserver

requirements-dev.txt

@@ -1,3 +1,4 @@
+Django >= 1.8,<1.10
 tox==1.8.1
 pytest==2.6.4
 pytest-django==2.7.0

requirements.txt

@@ -1,3 +1,4 @@
+Django >= 1.8,<1.10
 setuptools>=5.5
 requests>=2.4
 requests_futures>=0.9.5