tests: pinning example application dependencies

* Pins `invenio-i18n` package version and NPM `node-sass`, `clean-css` package
  versions for the example application to work again.

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>

examples/app.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 #
 # This file is part of Invenio.
-# Copyright (C) 2016 CERN.
+# Copyright (C) 2016, 2017 CERN.
 #
 # Invenio is free software; you can redistribute it
 # and/or modify it under the terms of the GNU General Public License as
@@ -62,7 +62,7 @@
         cd static
         npm install
         cd ..
-        npm install -g node-sass clean-css requirejs uglify-js
+        npm install -g node-sass@3.8.0 clean-css@3.4.24 requirejs uglify-js
 
 5. Collect static files and build bundles
 

examples/requirements.txt

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 #
 # This file is part of Invenio.
-# Copyright (C) 2016 CERN.
+# Copyright (C) 2016, 2017 CERN.
 #
 # Invenio is free software; you can redistribute it
 # and/or modify it under the terms of the GNU General Public License as
@@ -24,5 +24,6 @@
 
 -e ..[all]
 invenio-assets>=1.0.0a4,<1.1
+invenio-i18n==1.0.0b1
 invenio-pidstore>=1.0.0a7,<1.1
 invenio-theme>=1.0.0a9,<1.1

tests/test_example_app.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 #
 # This file is part of Invenio.
-# Copyright (C) 2016 CERN.
+# Copyright (C) 2016, 2017 CERN.
 #
 # Invenio is free software; you can redistribute it
 # and/or modify it under the terms of the GNU General Public License as
@@ -72,7 +72,8 @@ def test_example_app():
     # Download javascript and css libraries
     for cmd in ['FLASK_APP=app.py flask npm',
                 'cd static && npm install && cd ..',
-                'npm install -g node-sass clean-css requirejs uglify-js',
+                'npm install -g node-sass@3.8.0 clean-css@3.4.24'
+                ' requirejs uglify-js',
                 'FLASK_APP=app.py flask collect -v',
                 'FLASK_APP=app.py flask assets build']:
         exit_status = subprocess.call(cmd, shell=True)