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133 lines
4.3 KiB
Python
133 lines
4.3 KiB
Python
# Copyright (c) 2011 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Setups a local Rietveld instance to test against a live server for
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integration tests.
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It makes sure Google AppEngine SDK is found, download Rietveld and Django code
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if necessary and starts the server on a free inbound TCP port.
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"""
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import os
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import socket
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import subprocess
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import time
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class Failure(Exception):
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pass
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def test_port(port):
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s = socket.socket()
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try:
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return s.connect_ex(('127.0.0.1', port)) == 0
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finally:
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s.close()
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def find_free_port():
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# Test to find an available port starting at 8080.
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port = 8080
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max_val = (2<<16)
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while test_port(port) and port < max_val:
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port += 1
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if port == max_val:
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raise Failure('Having issues finding an available port')
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return port
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class LocalRietveld(object):
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"""Downloads everything needed to run a local instance of Rietveld."""
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def __init__(self, base_dir=None):
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# Paths
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self.base_dir = base_dir
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if not self.base_dir:
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self.base_dir = os.path.dirname(os.path.abspath(__file__))
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self.base_dir = os.path.realpath(os.path.join(self.base_dir, '..'))
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self.sdk_path = os.path.abspath(
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os.path.join(self.base_dir, '..', '..', 'google_appengine'))
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self.dev_app = os.path.join(self.sdk_path, 'dev_appserver.py')
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self.rietveld = os.path.join(self.base_dir, 'test', 'rietveld')
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self.django_path = os.path.join(self.rietveld, 'django')
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self.test_server = None
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self.port = None
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# Generate a friendly environment.
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self.env = os.environ.copy()
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self.env['LANGUAGE'] = 'en'
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if self.env.get('PYTHONPATH'):
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self.env['PYTHONPATH'] = (
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self.env['PYTHONPATH'].rstrip(os.pathsep) + os.pathsep +
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self.django_path)
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else:
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self.env['PYTHONPATH'] = self.django_path
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def install_prerequisites(self):
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# First, verify the Google AppEngine SDK is available.
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if not os.path.isfile(self.dev_app):
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raise Failure('Install google_appengine sdk in %s' % self.sdk_path)
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def call(*args, **kwargs):
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kwargs['env'] = self.env
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x = subprocess.Popen(*args, **kwargs)
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x.communicate()
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return x.returncode == 0
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# Second, checkout rietveld and django if not available.
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if not os.path.isdir(self.rietveld):
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print('Checking out rietveld...')
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if not call(
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['svn', 'co', '-q',
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'http://rietveld.googlecode.com/svn/trunk@563',
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self.rietveld]):
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raise Failure('Failed to checkout rietveld')
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if not os.path.isdir(self.django_path):
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print('Checking out django...')
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if not call(
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['svn', 'co', '-q',
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'http://code.djangoproject.com/'
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'svn/django/branches/releases/1.0.X/django@13637',
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self.django_path]):
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raise Failure('Failed to checkout django')
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def start_server(self, verbose=False):
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self.install_prerequisites()
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self.port = find_free_port()
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if verbose:
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stdout = None
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stderr = None
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else:
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stdout = subprocess.PIPE
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stderr = subprocess.PIPE
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output = []
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self.test_server = subprocess.Popen(
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[self.dev_app, self.rietveld, '--port=%d' % self.port,
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'--datastore_path=' + os.path.join(self.rietveld, 'tmp.db'), '-c'],
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stdout=stdout, stderr=stderr, env=self.env)
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# Loop until port 127.0.0.1:port opens or the process dies.
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while not test_port(self.port):
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self.test_server.poll()
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if self.test_server.returncode is not None:
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raise Failure(
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'Test rietveld instance failed early on port %s' %
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self.port)
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time.sleep(0.001)
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def stop_server(self):
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if self.test_server:
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self.test_server.kill()
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self.test_server = None
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self.port = None
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def main():
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print LocalRietveld().start_server()
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if __name__ == '__main__':
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main()
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# vim: ts=4:sw=4:tw=80:et:
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