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# -*- coding: utf-8 -*-
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"""
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Flask Extension Tests
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~~~~~~~~~~~~~~~~~~~~~
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Tests the Flask extensions.
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:copyright: (c) 2015 by Ali Afshar.
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:license: BSD, see LICENSE for more details.
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"""
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import os
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import sys
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import shutil
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import urllib2
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import tempfile
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import subprocess
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import argparse
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from flask import json
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from setuptools.package_index import PackageIndex
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from setuptools.archive_util import unpack_archive
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flask_svc_url = 'http://flask.pocoo.org/extensions/'
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# OS X has awful paths when using mkstemp or gettempdir(). I don't
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# care about security or clashes here, so pick something that is
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# actually memorable.
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if sys.platform == 'darwin':
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_tempdir = '/private/tmp'
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else:
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_tempdir = tempfile.gettempdir()
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tdir = _tempdir + '/flaskext-test'
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flaskdir = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
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# virtualenv hack *cough*
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os.environ['PYTHONDONTWRITEBYTECODE'] = ''
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RESULT_TEMPATE = u'''\
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<!doctype html>
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<title>Flask-Extension Test Results</title>
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<style type=text/css>
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body { font-family: 'Georgia', serif; font-size: 17px; color: #000; }
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a { color: #004B6B; }
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a:hover { color: #6D4100; }
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h1, h2, h3 { font-family: 'Garamond', 'Georgia', serif; font-weight: normal; }
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h1 { font-size: 30px; margin: 15px 0 5px 0; }
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h2 { font-size: 24px; margin: 15px 0 5px 0; }
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h3 { font-size: 19px; margin: 15px 0 5px 0; }
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textarea, code,
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pre { font-family: 'Consolas', 'Menlo', 'Deja Vu Sans Mono',
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'Bitstream Vera Sans Mono', monospace!important; font-size: 15px;
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background: #eee; }
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pre { padding: 7px 15px; line-height: 1.3; }
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p { line-height: 1.4; }
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table { border: 1px solid black; border-collapse: collapse;
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margin: 15px 0; }
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td, th { border: 1px solid black; padding: 4px 10px;
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text-align: left; }
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th { background: #eee; font-weight: normal; }
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tr.success { background: #D3F5CC; }
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tr.failed { background: #F5D2CB; }
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</style>
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<h1>Flask-Extension Test Results</h1>
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<p>
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This page contains the detailed test results for the test run of
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all {{ 'approved' if approved }} Flask extensions.
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<h2>Summary</h2>
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<table class=results>
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<thead>
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<tr>
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<th>Extension
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<th>Version
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<th>Author
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<th>License
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<th>Outcome
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{%- for iptr, _ in results[0].logs|dictsort %}
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<th>{{ iptr }}
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{%- endfor %}
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</tr>
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</thead>
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<tbody>
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{%- for result in results %}
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{% set outcome = 'success' if result.success else 'failed' %}
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<tr class={{ outcome }}>
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<th>{{ result.name }}
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<td>{{ result.version }}
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<td>{{ result.author }}
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<td>{{ result.license }}
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<td>{{ outcome }}
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{%- for iptr, _ in result.logs|dictsort %}
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<td><a href="#{{ result.name }}-{{ iptr }}">see log</a>
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{%- endfor %}
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</tr>
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{%- endfor %}
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</tbody>
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</table>
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<h2>Test Logs</h2>
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<p>Detailed test logs for all tests on all platforms:
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{%- for result in results %}
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{%- for iptr, log in result.logs|dictsort %}
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<h3 id="{{ result.name }}-{{ iptr }}">
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{{ result.name }} - {{ result.version }} [{{ iptr }}]</h3>
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<pre>{{ log }}</pre>
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{%- endfor %}
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{%- endfor %}
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'''
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def log(msg, *args):
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print('[EXTTEST] ' + (msg % args))
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class TestResult(object):
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def __init__(self, name, folder, statuscode, interpreters):
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intrptr = os.path.join(folder, '.tox/%s/bin/python'
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% interpreters[0])
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self.statuscode = statuscode
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self.folder = folder
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self.success = statuscode == 0
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def fetch(field):
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try:
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c = subprocess.Popen([intrptr, 'setup.py',
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'--' + field], cwd=folder,
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stdout=subprocess.PIPE)
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return c.communicate()[0].strip()
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except OSError:
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return '?'
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self.name = name
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self.license = fetch('license')
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self.author = fetch('author')
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self.version = fetch('version')
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self.logs = {}
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for interpreter in interpreters:
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logfile = os.path.join(folder, '.tox/%s/log/test.log'
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% interpreter)
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if os.path.isfile(logfile):
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self.logs[interpreter] = open(logfile).read()
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else:
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self.logs[interpreter] = ''
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def create_tdir():
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try:
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shutil.rmtree(tdir)
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except Exception:
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pass
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os.mkdir(tdir)
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def package_flask():
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distfolder = tdir + '/.flask-dist'
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c = subprocess.Popen(['python', 'setup.py', 'sdist', '--formats=gztar',
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'--dist', distfolder], cwd=flaskdir)
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c.wait()
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return os.path.join(distfolder, os.listdir(distfolder)[0])
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def get_test_command(checkout_dir):
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if os.path.isfile(checkout_dir + '/Makefile'):
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return 'make test'
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return 'python setup.py test'
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def fetch_extensions_list():
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req = urllib2.Request(flask_svc_url, headers={'accept':'application/json'})
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d = urllib2.urlopen(req).read()
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data = json.loads(d)
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for ext in data['extensions']:
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yield ext
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def checkout_extension(name):
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log('Downloading extension %s to temporary folder', name)
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root = os.path.join(tdir, name)
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os.mkdir(root)
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checkout_path = PackageIndex().download(name, root)
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unpack_archive(checkout_path, root)
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path = None
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for fn in os.listdir(root):
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path = os.path.join(root, fn)
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if os.path.isdir(path):
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break
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log('Downloaded to %s', path)
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return path
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tox_template = """[tox]
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envlist=%(env)s
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[testenv]
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deps=
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%(deps)s
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distribute
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py
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commands=bash flaskext-runtest.sh {envlogdir}/test.log
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downloadcache=%(cache)s
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"""
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def create_tox_ini(checkout_path, interpreters, flask_dep):
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tox_path = os.path.join(checkout_path, 'tox-flask-test.ini')
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if not os.path.exists(tox_path):
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with open(tox_path, 'w') as f:
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f.write(tox_template % {
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'env': ','.join(interpreters),
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'cache': tdir,
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'deps': flask_dep
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})
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return tox_path
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def iter_extensions(only_approved=True):
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for ext in fetch_extensions_list():
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if ext['approved'] or not only_approved:
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yield ext['name']
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def test_extension(name, interpreters, flask_dep):
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checkout_path = checkout_extension(name)
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log('Running tests with tox in %s', checkout_path)
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# figure out the test command and write a wrapper script. We
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# can't write that directly into the tox ini because tox does
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# not invoke the command from the shell so we have no chance
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# to pipe the output into a logfile. The /dev/null hack is
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# to trick py.test (if used) into not guessing widths from the
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# invoking terminal.
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test_command = get_test_command(checkout_path)
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log('Test command: %s', test_command)
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f = open(checkout_path + '/flaskext-runtest.sh', 'w')
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f.write(test_command + ' &> "$1" < /dev/null\n')
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f.close()
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# if there is a tox.ini, remove it, it will cause troubles
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# for us. Remove it if present, we are running tox ourselves
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# afterall.
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create_tox_ini(checkout_path, interpreters, flask_dep)
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rv = subprocess.call(['tox', '-c', 'tox-flask-test.ini'], cwd=checkout_path)
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return TestResult(name, checkout_path, rv, interpreters)
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def run_tests(extensions, interpreters):
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results = {}
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create_tdir()
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log('Packaging Flask')
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flask_dep = package_flask()
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log('Running extension tests')
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log('Temporary Environment: %s', tdir)
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for name in extensions:
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log('Testing %s', name)
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result = test_extension(name, interpreters, flask_dep)
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if result.success:
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log('Extension test succeeded')
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else:
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log('Extension test failed')
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results[name] = result
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return results
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def render_results(results, approved):
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from jinja2 import Template
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items = results.values()
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items.sort(key=lambda x: x.name.lower())
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rv = Template(RESULT_TEMPATE, autoescape=True).render(results=items,
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approved=approved)
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fd, filename = tempfile.mkstemp(suffix='.html')
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os.fdopen(fd, 'w').write(rv.encode('utf-8') + '\n')
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return filename
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def main():
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parser = argparse.ArgumentParser(description='Runs Flask extension tests')
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parser.add_argument('--all', dest='all', action='store_true',
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help='run against all extensions, not just approved')
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parser.add_argument('--browse', dest='browse', action='store_true',
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help='show browser with the result summary')
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parser.add_argument('--env', dest='env', default='py25,py26,py27',
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help='the tox environments to run against')
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parser.add_argument('--extension=', dest='extension', default=None,
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help='tests a single extension')
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args = parser.parse_args()
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if args.extension is not None:
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only_approved = False
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extensions = [args.extension]
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else:
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only_approved = not args.all
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extensions = iter_extensions(only_approved)
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results = run_tests(extensions, [x.strip() for x in args.env.split(',')])
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filename = render_results(results, only_approved)
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if args.browse:
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import webbrowser
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webbrowser.open('file:///' + filename.lstrip('/'))
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print('Results written to {}'.format(filename))
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if __name__ == '__main__':
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main()
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