Add releases script pytest tests to tox.ini

Add tox testing in upstream jobs with changes to
the releases script.

Removed pyflakes as these test are not running as
required.

Change-Id: I3fdf0be7beb814a681a2dcc155bae87fdb6a4c7e

scripts/emit_releases_file/emit_releases_file.py

@@ -2,6 +2,7 @@ import logging
 import re
 import requests
 
+# Define releases
 RELEASES = ['newton', 'ocata', 'pike', 'queens', 'master']
 LONG_TERM_SUPPORT_RELEASES = ['queens']
 

scripts/emit_releases_file/test_get_dlrn_hash.py

@@ -30,5 +30,5 @@ def test_null_response_raises_runtimeerror(mock_get):
     mock_get.return_value = None
     with pytest.raises(RuntimeError):
         get_dlrn_hash(release, hash_name)
-    mock_get.assert_called(repo_url, timeout=(3.05, 27))
+    mock_get.assert_called_with(repo_url, timeout=(3.05, 27))
     assert (10 == mock_get.call_count)

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = pyflakes, pep8, py27
+envlist = pep8, py27, py35
 
 [testenv]
 usedevelop = True
@@ -32,3 +32,14 @@ commands = python scripts/tripleo-jobs-gerrit.py {posargs}
 # separately, outside of the requirements files.
 deps = bindep
 commands = bindep test
+
+# This environment is used to run unit tests
+[testenv:py27]
+deps = {[testenv]deps}
+changedir = scripts/emit_releases_file
+commands = pytest
+
+[testenv:py35]
+deps={[testenv]deps}
+changedir = {[testenv:py27]changedir}
+commands = {[testenv:py27]commands}

zuul.d/layout.yaml

@@ -10,3 +10,20 @@
       - tripleo-multinode-container-minimal
       - tripleo-multinode-experimental
       - tripleo-undercloud-jobs
+    check:
+      jobs:
+        - openstack-tox-py27:
+            files:
+              - ^scripts/emit_releases_file/.*$
+        - openstack-tox-py35:
+            files:
+              - ^scripts/emit_releases_file/.*$
+    gate:
+      queue: tripleo
+      jobs:
+        - openstack-tox-py27:
+            files:
+              - ^scripts/emit_releases_file/.*$
+        - openstack-tox-py35:
+            files:
+              - ^scripts/emit_releases_file/.*$