Issue 4992 - Adds optional revision arg to generate_static_pages

tests/test_page_outputs.py

 import os
 import sys
 import time
 import runpy
 import signal
 import pytest
 import urllib2
 import subprocess
 from conftest import ROOTPATH
 
 
 def get_dir_contents(path):
     return_data = {}
     for dirpath, dirnames, filenames in os.walk(path):
         for output_file in filenames:
             with open(os.path.join(dirpath, output_file)) as f:
                 return_data[output_file] = f.read()
     return return_data
 
 
 def get_expected_outputs():
     expected_out_path = os.path.join(ROOTPATH, 'tests', 'expected_output')
     return get_dir_contents(expected_out_path).items()
 
 expected_outputs = get_expected_outputs()
 
 
+@pytest.fixture(scope='session', params=['master', None])
+def revision(request):
+    return request.param
+
+
 @pytest.fixture(scope='session')
-def static_output(request, temp_site):
+def static_output(revision, request, temp_site):
     static_out_path = os.path.join(temp_site, 'static_out')
     sys.argv = ['filler', temp_site, static_out_path]
+    if revision is not None:
+        sys.argv += ['--rev', revision]
+
     runpy.run_module('cms.bin.generate_static_pages', run_name='__main__')
     return static_out_path
 
 
 @pytest.yield_fixture()
 def dynamic_server(temp_site):
     args = ['python', 'runserver.py', temp_site]
     # Werkzeug is a dependency of flask which we are using for the mock api
     # however there is an issue with Werkzeug that prevents it from properly
     # handling the SIGTERM sent by p.kill() or terminate()
@@ skipping 11 matching lines @@
 
 @pytest.mark.parametrize('filename,expected_output', expected_outputs)
 def test_static(output_pages, filename, expected_output):
     assert output_pages[filename] == expected_output
 
 
 @pytest.mark.parametrize('filename,expected_output', expected_outputs)
 def test_dynamic(dynamic_server, filename, expected_output):
     response = urllib2.urlopen(dynamic_server + filename)
     assert response.read() == expected_output
+
+
+def test_revision_arg(revision, output_pages):
+    if revision is None:
+        assert 'bar' in output_pages
+    else:
+        assert 'bar' not in output_pages