software/nginx-push-stream: add a software release test

software/nginx-push-stream/test/README.md

+Tests for Nginx Push Stream software release

software/nginx-push-stream/test/setup.py

+##############################################################################
+#
+# Copyright (c) 2021 Nexedi SA and Contributors. All Rights Reserved.
+#
+# WARNING: This program as such is intended to be used by professional
+# programmers who take the whole responsibility of assessing all potential
+# consequences resulting from its eventual inadequacies and bugs
+# End users who are looking for a ready-to-use solution with commercial
+# guarantees and support are strongly adviced to contract a Free Software
+# Service Company
+#
+# This program is Free Software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 3
+# of the License, or (at your option) any later version.
+#
+# This program 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 this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+##############################################################################
+from setuptools import setup, find_packages
+
+version = '0.0.1.dev0'
+name = 'slapos.test.nginx_push_stream'
+long_description = open("README.md").read()
+
+setup(
+    name=name,
+    version=version,
+    description="Test for SlapOS' Nginx Push Stream",
+    long_description=long_description,
+    long_description_content_type='text/markdown',
+    maintainer="Nexedi",
+    maintainer_email="info@nexedi.com",
+    url="https://lab.nexedi.com/nexedi/slapos",
+    packages=find_packages(),
+    install_requires=[
+        'slapos.core',
+        'slapos.libnetworkcache',
+        'requests',
+    ],
+    zip_safe=True,
+    test_suite='test',
+)

software/nginx-push-stream/test/test.py

+##############################################################################
+# coding: utf-8
+# Copyright (c) 2021 Nexedi SA and Contributors. All Rights Reserved.
+#
+# WARNING: This program as such is intended to be used by professional
+# programmers who take the whole responsibility of assessing all potential
+# consequences resulting from its eventual inadequacies and bugs
+# End users who are looking for a ready-to-use solution with commercial
+# guarantees and support are strongly adviced to contract a Free Software
+# Service Company
+#
+# This program is Free Software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 3
+# of the License, or (at your option) any later version.
+#
+# This program 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 this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+##############################################################################
+
+import os
+import multiprocessing
+
+import requests
+
+from slapos.testing.testcase import makeModuleSetUpAndTestCaseClass
+
+setUpModule, SlapOSInstanceTestCase = makeModuleSetUpAndTestCaseClass(
+    os.path.abspath(
+        os.path.join(os.path.dirname(__file__), '..', 'software.cfg')))
+
+
+class TestNginxPushStream(SlapOSInstanceTestCase):
+  def setUp(self):
+    self.connection_parameters = \
+        self.computer_partition.getConnectionParameterDict()
+
+  def test_push_stream_scenario(self):
+    def process_messages(q):
+      # type:(multiprocessing.Queue[bytes]) -> None
+      req = requests.get(
+          self.connection_parameters['subscriber-url'] + '/channel_id',
+          verify=False,
+          stream=True,
+      )
+      if not req.ok:
+        q.put(('error: wrong status code %s' % req.status_code).encode())
+      q.put(b'ready')
+      for _, line in zip(range(2), req.iter_lines()):
+        q.put(line)
+
+    q = multiprocessing.Queue()  # type: multiprocessing.Queue[bytes]
+    subscriber = multiprocessing.Process(target=process_messages, args=(q, ))
+    subscriber.start()
+    self.assertEqual(q.get(timeout=30), b'ready')
+
+    resp = requests.post(
+        self.connection_parameters['publisher-url'] + '?id=channel_id',
+        verify=False,
+        data='Hello',
+        timeout=2,
+    )
+    resp.raise_for_status()
+
+    try:
+      subscriber.join(timeout=30)
+    except multiprocessing.TimeoutError:
+      subscriber.terminate()
+      subscriber.join(timeout=30)
+      self.fail('Process did not terminate')
+
+    self.assertEqual(q.get_nowait(), b': ')
+    self.assertEqual(q.get_nowait(), b'data: Hello')