Issue 5336 - Allow additional include, page, and template paths using CMS

tests/utils.py

+# This file is part of the Adblock Plus web scripts,
+# Copyright (C) 2006-present eyeo GmbH
+#
+# Adblock Plus is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 3 as
+# published by the Free Software Foundation.
+#
+# Adblock Plus is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+
+import contextlib
+import os
+import signal
+import subprocess
+import time
+
+
+def get_dir_contents(path):
+    # TODO: This function is duplicated in test_page_outputs.py.
+    dirdata = {}
+    for dirpath, dirnames, filenames in os.walk(path):
+        for output_file in filenames:
+            filepath = os.path.join(dirpath, output_file)
+            with open(filepath) as f:
+                locale = os.path.split(os.path.split(filepath)[0])[1]
+                dirdata[os.path.join(locale, output_file)] = f.read().strip()
+    return dirdata
+
+
+@contextlib.contextmanager
+def run_test_server(site_path):
+    """Run test server, yield its URL. Terminate server on next iteration.
+
+    This function is intended be used in a pytest fixture.
+    """
+    args = ['python', 'runserver.py', site_path]
+    # 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()
+    # Issue: https://github.com/pallets/werkzeug/issues/58
+    p = subprocess.Popen(args, stdout=subprocess.PIPE, preexec_fn=os.setsid)
+    time.sleep(0.5)
+    yield 'http://localhost:5000/'
+    os.killpg(os.getpgid(p.pid), signal.SIGTERM)