diff options
| -rw-r--r-- | TESTING | 7 | ||||
| -rw-r--r-- | aurweb/spawn.py | 107 | ||||
| -rw-r--r-- | conf/config.defaults | 3 |
3 files changed, 114 insertions, 3 deletions
@@ -17,7 +17,8 @@ INSTALL. Ensure to enable the pdo_sqlite extension in php.ini. 3) Copy conf/config.defaults to conf/config and adjust the configuration - (pay attention to disable_http_login, enable_maintenance and aur_location). + Pay attention to disable_http_login, enable_maintenance, aur_location and + htmldir. Be sure to change backend to sqlite and name to the file location of your created test database. @@ -31,6 +32,6 @@ INSTALL. $ ./gendummydata.py out.sql $ sqlite3 path/to/aurweb.sqlite3 < out.sql -5) Run the PHP built-in web server: +5) Run the test server: - $ AUR_CONFIG='/path/to/aurweb/conf/config' php -S localhost:8080 -t /path/to/aurweb/web/html + $ AUR_CONFIG='/path/to/aurweb/conf/config' python -m aurweb.spawn diff --git a/aurweb/spawn.py b/aurweb/spawn.py new file mode 100644 index 00000000..5fa646b5 --- /dev/null +++ b/aurweb/spawn.py @@ -0,0 +1,107 @@ +""" +Provide an automatic way of spawing an HTTP test server running aurweb. + +It can be called from the command-line or from another Python module. + +This module uses a global state, since you can’t open two servers with the same +configuration anyway. +""" + + +import atexit +import argparse +import subprocess +import sys +import time +import urllib + +import aurweb.config +import aurweb.schema + + +children = [] +verbosity = 0 + + +class ProcessExceptions(Exception): + """ + Compound exception used by stop() to list all the errors that happened when + terminating child processes. + """ + def __init__(self, message, exceptions): + self.message = message + self.exceptions = exceptions + messages = [message] + [str(e) for e in exceptions] + super().__init__("\n- ".join(messages)) + + +def spawn_child(args): + """Open a subprocess and add it to the global state.""" + if verbosity >= 1: + print(f"Spawning {args}", file=sys.stderr) + children.append(subprocess.Popen(args)) + + +def start(): + """ + Spawn the test server. If it is already running, do nothing. + + The server can be stopped with stop(), or is automatically stopped when the + Python process ends using atexit. + """ + if children: + return + atexit.register(stop) + aur_location = aurweb.config.get("options", "aur_location") + aur_location_parts = urllib.parse.urlsplit(aur_location) + htmldir = aurweb.config.get("options", "htmldir") + spawn_child(["php", "-S", aur_location_parts.netloc, "-t", htmldir]) + + +def stop(): + """ + Stop all the child processes. + + If an exception occurs during the process, the process continues anyway + because we don’t want to leave runaway processes around, and all the + exceptions are finally raised as a single ProcessExceptions. + """ + global children + atexit.unregister(stop) + exceptions = [] + for p in children: + try: + p.terminate() + if verbosity >= 1: + print(f"Sent SIGTERM to {p.args}", file=sys.stderr) + except Exception as e: + exceptions.append(e) + for p in children: + try: + rc = p.wait() + if rc != 0 and rc != -15: + # rc = -15 indicates the process was terminated with SIGTERM, + # which is to be expected since we called terminate on them. + raise Exception(f"Process {p.args} exited with {rc}") + except Exception as e: + exceptions.append(e) + children = [] + if exceptions: + raise ProcessExceptions("Errors terminating the child processes:", + exceptions) + + +if __name__ == '__main__': + parser = argparse.ArgumentParser( + prog='python -m aurweb.spawn', + description='Start aurweb\'s test server.') + parser.add_argument('-v', '--verbose', action='count', default=0, + help='increase verbosity') + args = parser.parse_args() + verbosity = args.verbose + start() + try: + while True: + time.sleep(60) + except KeyboardInterrupt: + stop() diff --git a/conf/config.defaults b/conf/config.defaults index 447dacac..86fe765c 100644 --- a/conf/config.defaults +++ b/conf/config.defaults @@ -41,6 +41,9 @@ cache = none cache_pkginfo_ttl = 86400 memcache_servers = 127.0.0.1:11211 +; Directory containing aurweb's PHP code, required by aurweb.spawn. +;htmldir = /path/to/web/html + [ratelimit] request_limit = 4000 window_length = 86400 |