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#############################################################################
# Some helpers to make step functions simpler.
import json
import os
import re
import subprocess
import time
import urllib.parse
import yaml
# Run a subprocess, capture its output and exit code in context.
def _run(ctx, argv):
p = subprocess.Popen(argv, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = p.communicate("")
ctx['argv'] = argv
ctx['stdout'] = stdout.decode('utf-8')
ctx['stderr'] = stderr.decode('utf-8')
ctx['exit'] = p.returncode
# Check that latest call of _run ended with an specific exit code.
def _run_exit(ctx, expected):
assert_eq(ctx['exit'], expected)
# Write a file with given content.
def _write(filename, content):
open(filename, 'w').write(content)
# Construct a URL that points to server running on localhost by
# replacing the actual scheme and host with ones that work for test.
def _url(ctx, url):
c = urllib.parse.urlparse(url)
host = c[1]
c = ('http', 'localhost:{}'.format(ctx['port'])) + c[2:]
return urllib.parse.urlunparse(c), host
#############################################################################
# The actual step functions.
# Fail: use this for unimplemented steps.
def fixme(*args, **kwargs):
assert 0
# Start server using named configuration file.
def start_server(ctx, filename=None):
config = get_file(filename).decode('UTF-8')
ctx['config'] = yaml.safe_load(config)
_write(filename, config)
pid = os.path.abspath('ewww.pid')
bin = os.path.join(srcdir, 'target', 'debug', 'ewww')
_run(ctx, ['/usr/sbin/daemonize', '-p', pid, bin, filename])
ctx['pid'] = open(pid).read()
ctx['port'] = 3030
_run_exit(ctx, 0)
def request(ctx, method=None, url=None):
url, host = _url(ctx, url)
_run(ctx, ['curl', '-sv', '-X', method, '-HHost: {}'.format(host), url])
_run_exit(ctx, 0)
def status_code_is(ctx, code=None):
pattern = '\n< HTTP/1.1 {} '.format(code)
assert_eq(pattern in ctx['stderr'], True)
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