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# -*- coding: utf-8 -*-
Flask Extension Tests
Tests the Flask extensions.
:copyright: (c) 2014 by Ali Afshar.
:license: BSD, see LICENSE for more details.
import os
import sys
import shutil
import urllib2
import tempfile
import subprocess
import argparse
from flask import json
from setuptools.package_index import PackageIndex
from setuptools.archive_util import unpack_archive
flask_svc_url = ''
# OS X has awful paths when using mkstemp or gettempdir(). I don't
# care about security or clashes here, so pick something that is
# actually rememberable.
if sys.platform == 'darwin':
_tempdir = '/private/tmp'
_tempdir = tempfile.gettempdir()
tdir = _tempdir + '/flaskext-test'
flaskdir = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
# virtualenv hack *cough*
<!doctype html>
<title>Flask-Extension Test Results</title>
<style type=text/css>
body { font-family: 'Georgia', serif; font-size: 17px; color: #000; }
a { color: #004B6B; }
a:hover { color: #6D4100; }
h1, h2, h3 { font-family: 'Garamond', 'Georgia', serif; font-weight: normal; }
h1 { font-size: 30px; margin: 15px 0 5px 0; }
h2 { font-size: 24px; margin: 15px 0 5px 0; }
h3 { font-size: 19px; margin: 15px 0 5px 0; }
textarea, code,
pre { font-family: 'Consolas', 'Menlo', 'Deja Vu Sans Mono',
'Bitstream Vera Sans Mono', monospace!important; font-size: 15px;
background: #eee; }
pre { padding: 7px 15px; line-height: 1.3; }
p { line-height: 1.4; }
table { border: 1px solid black; border-collapse: collapse;
margin: 15px 0; }
td, th { border: 1px solid black; padding: 4px 10px;
text-align: left; }
th { background: #eee; font-weight: normal; }
tr.success { background: #D3F5CC; }
tr.failed { background: #F5D2CB; }
<h1>Flask-Extension Test Results</h1>
This page contains the detailed test results for the test run of
all {{ 'approved' if approved }} Flask extensions.
<table class=results>
{%- for iptr, _ in results[0].logs|dictsort %}
<th>{{ iptr }}
{%- endfor %}
{%- for result in results %}
{% set outcome = 'success' if result.success else 'failed' %}
<tr class={{ outcome }}>
<th>{{ }}
<td>{{ result.version }}
<td>{{ }}
<td>{{ result.license }}
<td>{{ outcome }}
{%- for iptr, _ in result.logs|dictsort %}
<td><a href="#{{ }}-{{ iptr }}">see log</a>
{%- endfor %}
{%- endfor %}
<h2>Test Logs</h2>
<p>Detailed test logs for all tests on all platforms:
{%- for result in results %}
{%- for iptr, log in result.logs|dictsort %}
<h3 id="{{ }}-{{ iptr }}">
{{ }} - {{ result.version }} [{{ iptr }}]</h3>
<pre>{{ log }}</pre>
{%- endfor %}
{%- endfor %}
def log(msg, *args):
print '[EXTTEST]', msg % args
class TestResult(object):
def __init__(self, name, folder, statuscode, interpreters):
intrptr = os.path.join(folder, '.tox/%s/bin/python'
% interpreters[0])
self.statuscode = statuscode
self.folder = folder
self.success = statuscode == 0
def fetch(field):
c = subprocess.Popen([intrptr, '',
'--' + field], cwd=folder,
return c.communicate()[0].strip()
except OSError:
return '?' = name
self.license = fetch('license') = fetch('author')
self.version = fetch('version')
self.logs = {}
for interpreter in interpreters:
logfile = os.path.join(folder, '.tox/%s/log/test.log'
% interpreter)
if os.path.isfile(logfile):
self.logs[interpreter] = open(logfile).read()
self.logs[interpreter] = ''
def create_tdir():
except Exception:
def package_flask():
distfolder = tdir + '/.flask-dist'
c = subprocess.Popen(['python', '', 'sdist', '--formats=gztar',
'--dist', distfolder], cwd=flaskdir)
return os.path.join(distfolder, os.listdir(distfolder)[0])
def get_test_command(checkout_dir):
if os.path.isfile(checkout_dir + '/Makefile'):
return 'make test'
return 'python test'
def fetch_extensions_list():
req = urllib2.Request(flask_svc_url, headers={'accept':'application/json'})
d = urllib2.urlopen(req).read()
data = json.loads(d)
for ext in data['extensions']:
yield ext
def checkout_extension(name):
log('Downloading extension %s to temporary folder', name)
root = os.path.join(tdir, name)
checkout_path = PackageIndex().download(name, root)
unpack_archive(checkout_path, root)
path = None
for fn in os.listdir(root):
path = os.path.join(root, fn)
if os.path.isdir(path):
log('Downloaded to %s', path)
return path
tox_template = """[tox]
commands=bash {envlogdir}/test.log
def create_tox_ini(checkout_path, interpreters, flask_dep):
tox_path = os.path.join(checkout_path, 'tox-flask-test.ini')
if not os.path.exists(tox_path):
with open(tox_path, 'w') as f:
f.write(tox_template % {
'env': ','.join(interpreters),
'cache': tdir,
'deps': flask_dep
return tox_path
def iter_extensions(only_approved=True):
for ext in fetch_extensions_list():
if ext['approved'] or not only_approved:
yield ext['name']
def test_extension(name, interpreters, flask_dep):
checkout_path = checkout_extension(name)
log('Running tests with tox in %s', checkout_path)
# figure out the test command and write a wrapper script. We
# can't write that directly into the tox ini because tox does
# not invoke the command from the shell so we have no chance
# to pipe the output into a logfile. The /dev/null hack is
# to trick py.test (if used) into not guessing widths from the
# invoking terminal.
test_command = get_test_command(checkout_path)
log('Test command: %s', test_command)
f = open(checkout_path + '/', 'w')
f.write(test_command + ' &> "$1" < /dev/null\n')
# if there is a tox.ini, remove it, it will cause troubles
# for us. Remove it if present, we are running tox ourselves
# afterall.
create_tox_ini(checkout_path, interpreters, flask_dep)
rv =['tox', '-c', 'tox-flask-test.ini'], cwd=checkout_path)
return TestResult(name, checkout_path, rv, interpreters)
def run_tests(extensions, interpreters):
results = {}
log('Packaging Flask')
flask_dep = package_flask()
log('Running extension tests')
log('Temporary Environment: %s', tdir)
for name in extensions:
log('Testing %s', name)
result = test_extension(name, interpreters, flask_dep)
if result.success:
log('Extension test succeeded')
log('Extension test failed')
results[name] = result
return results
def render_results(results, approved):
from jinja2 import Template
items = results.values()
items.sort(key=lambda x:
rv = Template(RESULT_TEMPATE, autoescape=True).render(results=items,
fd, filename = tempfile.mkstemp(suffix='.html')
os.fdopen(fd, 'w').write(rv.encode('utf-8') + '\n')
return filename
def main():
parser = argparse.ArgumentParser(description='Runs Flask extension tests')
parser.add_argument('--all', dest='all', action='store_true',
help='run against all extensions, not just approved')
parser.add_argument('--browse', dest='browse', action='store_true',
help='show browser with the result summary')
parser.add_argument('--env', dest='env', default='py25,py26,py27',
help='the tox environments to run against')
parser.add_argument('--extension=', dest='extension', default=None,
help='tests a single extension')
args = parser.parse_args()
if args.extension is not None:
only_approved = False
extensions = [args.extension]
only_approved = not args.all
extensions = iter_extensions(only_approved)
results = run_tests(extensions, [x.strip() for x in args.env.split(',')])
filename = render_results(results, only_approved)
if args.browse:
import webbrowser'file:///' + filename.lstrip('/'))
print 'Results written to', filename
if __name__ == '__main__':
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