Fix npm tests on local env and CI

This patch adds upper-contraints support both for Python and JavaScript
tests.

Change-Id: Ied15af4c3c16043f8fb657b11cfce6fc44ff006f

package.json

@@ -17,7 +17,7 @@
     "karma-spec-reporter": "0.0.32"
   },
   "scripts": {
-    "postinstall": "if [ ! -d .venv ]; then tox -e npm --notest; fi",
+    "postinstall": "if [ ! -d .tox/npm ]; then tox -e npm --notest; fi",
     "lint": "eslint --no-color vitrage_dashboard/static",
     "lintq": "eslint --quiet vitrage_dashboard/static",
     "test": "karma start karma.conf.js --single-run"

test-requirements.txt

@@ -7,6 +7,7 @@ hacking>=1.1.0,<1.2.0 # Apache-2.0
 coverage>=3.6
 python-subunit>=0.0.18
 sphinx>=1.6.2 # BSD
+nodeenv>=0.9.4 # BSD
 openstackdocstheme>=1.24.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
 testrepository>=0.0.18

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-minversion = 2.0
+minversion = 2.3.2
 envlist = py35,py27,pep8,npm
 skipsdist = True
 
@@ -8,7 +8,10 @@ usedevelop = True
 install_command = pip install -U {opts} {packages}
 setenv =
    VIRTUAL_ENV={envdir}
-deps = -r{toxinidir}/test-requirements.txt
+deps =
+   -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
+   -r{toxinidir}/test-requirements.txt
+   -r{toxinidir}/requirements.txt
 commands = /bin/rm -f .testrepository/times.dbm
            python setup.py test --slowest --testr-args='{posargs}'
 
@@ -30,7 +33,8 @@ commands =
   nodeenv -p
   npm install
   npm run {posargs:test}
-deps = 
+deps =
+  -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
   -r{toxinidir}/requirements.txt
   -r{toxinidir}/test-requirements.txt
 [testenv:venv]