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3da642c4f0
curl/tests/http/testenv/curl.py
Stefan Eissing f8f010e469
tests/http: fix log formatting on wrong exit code 
Closes #10868
2023-03-30 13:09:12 +02:00

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# SPDX-License-Identifier: curl
#
###########################################################################
#
import json
import logging
import os
import re
import shutil
import subprocess
from datetime import timedelta, datetime
from typing import List, Optional, Dict
from urllib.parse import urlparse
from .env import Env
log = logging.getLogger(__name__)
class ExecResult:
def __init__(self, args: List[str], exit_code: int,
stdout: List[str], stderr: List[str],
trace: Optional[List[str]] = None,
duration: Optional[timedelta] = None,
with_stats: bool = False,
exception: Optional[str] = None):
self._args = args
self._exit_code = exit_code
self._exception = exception
self._stdout = stdout
self._stderr = stderr
self._trace = trace
self._duration = duration if duration is not None else timedelta()
self._response = None
self._responses = []
self._results = {}
self._assets = []
self._stats = []
self._json_out = None
self._with_stats = with_stats
if with_stats:
self._parse_stats()
else:
# noinspection PyBroadException
try:
out = ''.join(self._stdout)
self._json_out = json.loads(out)
except:
pass
def __repr__(self):
return f"ExecResult[code={self.exit_code}, exception={self._exception}, "\
f"args={self._args}, stdout={self._stdout}, stderr={self._stderr}]"
def _parse_stats(self):
self._stats = []
for l in self._stdout:
try:
self._stats.append(json.loads(l))
except:
log.error(f'not a JSON stat: {l}')
break
@property
def exit_code(self) -> int:
return self._exit_code
@property
def args(self) -> List[str]:
return self._args
@property
def outraw(self) -> bytes:
return ''.join(self._stdout).encode()
@property
def stdout(self) -> str:
return ''.join(self._stdout)
@property
def json(self) -> Optional[Dict]:
"""Output as JSON dictionary or None if not parseable."""
return self._json_out
@property
def stderr(self) -> str:
return ''.join(self._stderr)
@property
def duration(self) -> timedelta:
return self._duration
@property
def response(self) -> Optional[Dict]:
return self._response
@property
def responses(self) -> List[Dict]:
return self._responses
@property
def results(self) -> Dict:
return self._results
@property
def assets(self) -> List:
return self._assets
@property
def with_stats(self) -> bool:
return self._with_stats
@property
def stats(self) -> List:
return self._stats
@property
def total_connects(self) -> Optional[int]:
if len(self.stats):
n = 0
for stat in self.stats:
n += stat['num_connects']
return n
return None
def add_response(self, resp: Dict):
self._response = resp
self._responses.append(resp)
def add_results(self, results: Dict):
self._results.update(results)
if 'response' in results:
self.add_response(results['response'])
def add_assets(self, assets: List):
self._assets.extend(assets)
def check_exit_code(self, code: int):
assert self.exit_code == code, \
f'expected exit code {code}, '\
f'got {self.exit_code}\n{self._dump_logs()}'
def check_exit_code_not(self, code: int):
assert self.exit_code != code, \
f'expected exit code other than {code}\n{self._dump_logs()}'
def check_responses(self, count: int, exp_status: Optional[int] = None,
exp_exitcode: Optional[int] = None):
assert len(self.responses) == count, \
f'response count: expected {count}, ' \
f'got {len(self.responses)}\n{self._dump_logs()}'
if exp_status is not None:
for idx, x in enumerate(self.responses):
assert x['status'] == exp_status, \
f'response #{idx} status: expected {exp_status},'\
f'got {x["status"]}\n{self._dump_logs()}'
if exp_exitcode is not None:
for idx, x in enumerate(self.responses):
if 'exitcode' in x:
assert x['exitcode'] == 0, \
f'response #{idx} exitcode: expected {exp_exitcode}, '\
f'got {x["exitcode"]}\n{self._dump_logs()}'
if self.with_stats:
self.check_stats(count)
def check_stats(self, count: int, exp_status: Optional[int] = None,
exp_exitcode: Optional[int] = None):
assert len(self.stats) == count, \
f'stats count: expected {count}, got {len(self.stats)}\n{self._dump_logs()}'
if exp_status is not None:
for idx, x in enumerate(self.stats):
assert 'http_code' in x, \
f'status #{idx} reports no http_code\n{self._dump_logs()}'
assert x['http_code'] == exp_status, \
f'status #{idx} http_code: expected {exp_status}, '\
f'got {x["http_code"]}\n{self._dump_logs()}'
if exp_exitcode is not None:
for idx, x in enumerate(self.stats):
if 'exitcode' in x:
assert x['exitcode'] == 0, \
f'status #{idx} exitcode: expected {exp_exitcode}, '\
f'got {x["exitcode"]}\n{self._dump_logs()}'
def _dump_logs(self):
lines = []
lines.append('>>--stdout ----------------------------------------------\n')
lines.extend(self._stdout)
if self._trace:
lines.append('>>--trace ----------------------------------------------\n')
lines.extend(self._trace)
else:
lines.append('>>--stderr ----------------------------------------------\n')
lines.extend(self._stderr)
lines.append('<<-------------------------------------------------------\n')
return ''.join(lines)
class CurlClient:
ALPN_ARG = {
'http/0.9': '--http0.9',
'http/1.0': '--http1.0',
'http/1.1': '--http1.1',
'h2': '--http2',
'h2c': '--http2',
'h3': '--http3-only',
}
def __init__(self, env: Env, run_dir: Optional[str] = None,
timeout: Optional[float] = None, silent: bool = False):
self.env = env
self._timeout = timeout if timeout else env.test_timeout
self._curl = os.environ['CURL'] if 'CURL' in os.environ else env.curl
self._run_dir = run_dir if run_dir else os.path.join(env.gen_dir, 'curl')
self._stdoutfile = f'{self._run_dir}/curl.stdout'
self._stderrfile = f'{self._run_dir}/curl.stderr'
self._headerfile = f'{self._run_dir}/curl.headers'
self._tracefile = f'{self._run_dir}/curl.trace'
self._log_path = f'{self._run_dir}/curl.log'
self._silent = silent
self._rmrf(self._run_dir)
self._mkpath(self._run_dir)
@property
def run_dir(self) -> str:
return self._run_dir
def download_file(self, i: int) -> str:
return os.path.join(self.run_dir, f'download_{i}.data')
def _rmf(self, path):
if os.path.exists(path):
return os.remove(path)
def _rmrf(self, path):
if os.path.exists(path):
return shutil.rmtree(path)
def _mkpath(self, path):
if not os.path.exists(path):
return os.makedirs(path)
def http_get(self, url: str, extra_args: Optional[List[str]] = None):
return self._raw(url, options=extra_args, with_stats=False)
def http_download(self, urls: List[str],
alpn_proto: Optional[str] = None,
with_stats: bool = True,
with_headers: bool = False,
no_save: bool = False,
extra_args: List[str] = None):
if extra_args is None:
extra_args = []
if no_save:
extra_args.extend([
'-o', '/dev/null',
])
else:
extra_args.extend([
'-o', 'download_#1.data',
])
# remove any existing ones
for i in range(100):
self._rmf(self.download_file(i))
if with_stats:
extra_args.extend([
'-w', '%{json}\\n'
])
return self._raw(urls, alpn_proto=alpn_proto, options=extra_args,
with_stats=with_stats,
with_headers=with_headers)
def http_upload(self, urls: List[str], data: str,
alpn_proto: Optional[str] = None,
with_stats: bool = True,
with_headers: bool = False,
extra_args: Optional[List[str]] = None):
if extra_args is None:
extra_args = []
extra_args.extend([
'--data-binary', data, '-o', 'download_#1.data',
])
if with_stats:
extra_args.extend([
'-w', '%{json}\\n'
])
return self._raw(urls, alpn_proto=alpn_proto, options=extra_args,
with_stats=with_stats,
with_headers=with_headers)
def http_put(self, urls: List[str], data=None, fdata=None,
alpn_proto: Optional[str] = None,
with_stats: bool = True,
with_headers: bool = False,
extra_args: Optional[List[str]] = None):
if extra_args is None:
extra_args = []
if fdata is not None:
extra_args.extend(['-T', fdata])
elif data is not None:
extra_args.extend(['-T', '-'])
extra_args.extend([
'-o', 'download_#1.data',
])
if with_stats:
extra_args.extend([
'-w', '%{json}\\n'
])
return self._raw(urls, intext=data,
alpn_proto=alpn_proto, options=extra_args,
with_stats=with_stats,
with_headers=with_headers)
def response_file(self, idx: int):
return os.path.join(self._run_dir, f'download_{idx}.data')
def run_direct(self, args, with_stats: bool = False):
my_args = [self._curl]
if with_stats:
my_args.extend([
'-w', '%{json}\\n'
])
my_args.extend([
'-o', 'download.data',
])
my_args.extend(args)
return self._run(args=my_args, with_stats=with_stats)
def _run(self, args, intext='', with_stats: bool = False):
self._rmf(self._stdoutfile)
self._rmf(self._stderrfile)
self._rmf(self._headerfile)
self._rmf(self._tracefile)
start = datetime.now()
exception = None
try:
with open(self._stdoutfile, 'w') as cout:
with open(self._stderrfile, 'w') as cerr:
p = subprocess.run(args, stderr=cerr, stdout=cout,
cwd=self._run_dir, shell=False,
input=intext.encode() if intext else None,
timeout=self._timeout)
exitcode = p.returncode
except subprocess.TimeoutExpired:
log.warning(f'Timeout after {self._timeout}s: {args}')
exitcode = -1
exception = 'TimeoutExpired'
coutput = open(self._stdoutfile).readlines()
cerrput = open(self._stderrfile).readlines()
ctrace = None
if os.path.exists(self._tracefile):
ctrace = open(self._tracefile).readlines()
return ExecResult(args=args, exit_code=exitcode, exception=exception,
stdout=coutput, stderr=cerrput, trace=ctrace,
duration=datetime.now() - start,
with_stats=with_stats)
def _raw(self, urls, intext='', timeout=10, options=None, insecure=False,
alpn_proto: Optional[str] = None,
force_resolve=True,
with_stats=False,
with_headers=True):
args = self._complete_args(
urls=urls, timeout=timeout, options=options, insecure=insecure,
alpn_proto=alpn_proto, force_resolve=force_resolve,
with_headers=with_headers)
r = self._run(args, intext=intext, with_stats=with_stats)
if r.exit_code == 0 and with_headers:
self._parse_headerfile(self._headerfile, r=r)
if r.json:
r.response["json"] = r.json
return r
def _complete_args(self, urls, timeout=None, options=None,
insecure=False, force_resolve=True,
alpn_proto: Optional[str] = None,
with_headers: bool = True):
if not isinstance(urls, list):
urls = [urls]
args = [self._curl, "-s", "--path-as-is"]
if with_headers:
args.extend(["-D", self._headerfile])
if self.env.verbose > 2:
args.extend(['--trace', self._tracefile, '--trace-time'])
elif self.env.verbose > 1:
args.extend(['--trace', self._tracefile])
elif not self._silent:
args.extend(['-v'])
for url in urls:
u = urlparse(urls[0])
if alpn_proto is not None:
if alpn_proto not in self.ALPN_ARG:
raise Exception(f'unknown ALPN protocol: "{alpn_proto}"')
args.append(self.ALPN_ARG[alpn_proto])
if u.scheme == 'http':
pass
elif insecure:
args.append('--insecure')
elif options and "--cacert" in options:
pass
elif u.hostname:
args.extend(["--cacert", self.env.ca.cert_file])
if force_resolve and u.hostname and u.hostname != 'localhost' \
and not re.match(r'^(\d+|\[|:).*', u.hostname):
port = u.port if u.port else 443
args.extend(["--resolve", f"{u.hostname}:{port}:127.0.0.1"])
if timeout is not None and int(timeout) > 0:
args.extend(["--connect-timeout", str(int(timeout))])
if options:
args.extend(options)
args.append(url)
return args
def _parse_headerfile(self, headerfile: str, r: ExecResult = None) -> ExecResult:
lines = open(headerfile).readlines()
if r is None:
r = ExecResult(args=[], exit_code=0, stdout=[], stderr=[])
response = None
def fin_response(resp):
if resp:
r.add_response(resp)
expected = ['status']
for line in lines:
line = line.strip()
if re.match(r'^$', line):
if 'trailer' in expected:
# end of trailers
fin_response(response)
response = None
expected = ['status']
elif 'header' in expected:
# end of header, another status or trailers might follow
expected = ['status', 'trailer']
else:
assert False, f"unexpected line: '{line}'"
continue
if 'status' in expected:
# log.debug("reading 1st response line: %s", line)
m = re.match(r'^(\S+) (\d+)( .*)?$', line)
if m:
fin_response(response)
response = {
"protocol": m.group(1),
"status": int(m.group(2)),
"description": m.group(3),
"header": {},
"trailer": {},
"body": r.outraw
}
expected = ['header']
continue
if 'trailer' in expected:
m = re.match(r'^([^:]+):\s*(.*)$', line)
if m:
response['trailer'][m.group(1).lower()] = m.group(2)
continue
if 'header' in expected:
m = re.match(r'^([^:]+):\s*(.*)$', line)
if m:
response['header'][m.group(1).lower()] = m.group(2)
continue
assert False, f"unexpected line: '{line}, expected: {expected}'"
fin_response(response)
return r
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