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# Copyright (c) 2023 Egor Tensin <Egor.Tensin@gmail.com>
# This file is part of the "cimple" project.
# For details, see https://github.com/egor-tensin/cimple.
# Distributed under the MIT License.
import logging
import os
import random
from pytest import fixture
from lib.process import CmdLine
from lib.test_repo import TestRepo
class Param:
def __init__(self, codename, help_string, required=True):
self.codename = codename
self.help_string = help_string
self.required = required
@property
def cmd_line(self):
return f"--{self.codename.replace('_', '-')}"
def add_to_parser(self, parser):
parser.addoption(self.cmd_line, required=self.required, help=self.help_string)
class ParamBinary(Param):
def __init__(self, name, **kwargs):
self.name = name
super().__init__(self.get_code_name(), self.get_help_string(), **kwargs)
def get_code_name(self):
return f'{self.name}_binary'
@property
def basename(self):
return f'cimple-{self.name}'
def get_help_string(self):
return f'{self.basename} binary path'
BINARY_PARAMS = [
ParamBinary(name) for name in ('server', 'worker', 'client')
]
PARAM_VALGRIND = ParamBinary('valgrind', required=False)
class ParamVersion(Param):
def __init__(self):
super().__init__('project_version', 'project version')
PARAM_VERSION = ParamVersion()
PARAMS = list(BINARY_PARAMS)
PARAMS += [
PARAM_VALGRIND,
PARAM_VERSION,
]
def pytest_addoption(parser):
for opt in PARAMS:
opt.add_to_parser(parser)
def pytest_generate_tests(metafunc):
for opt in PARAMS:
if opt.codename in metafunc.fixturenames:
metafunc.parametrize(opt.codename, metafunc.config.getoption(opt.codename))
@fixture(scope='session')
def rng():
random.seed()
class Paths:
def __init__(self, pytestconfig):
for opt in BINARY_PARAMS:
setattr(self, opt.codename, None)
for opt in BINARY_PARAMS:
path = pytestconfig.getoption(opt.codename)
if path is None:
continue
logging.info('%s path: %s', opt.basename, path)
setattr(self, opt.codename, path)
@fixture(scope='session')
def paths(pytestconfig):
return Paths(pytestconfig)
@fixture(scope='session')
def base_cmd_line(pytestconfig):
cmd_line = CmdLine.unbuffered()
valgrind = pytestconfig.getoption(PARAM_VALGRIND.codename)
if valgrind is not None:
# Signal to Valgrind that ci.sh should obviously be exempt from memory
# leak checking:
cmd_line = CmdLine.wrap(CmdLine(valgrind, '--trace-children-skip=*/ci.sh', '--'), cmd_line)
return cmd_line
@fixture(scope='session')
def version(pytestconfig):
return pytestconfig.getoption(PARAM_VERSION.codename)
@fixture
def server_port(rng):
return str(random.randint(2000, 50000))
@fixture
def sqlite_path(tmp_path):
return os.path.join(tmp_path, 'cimple.sqlite')
class CmdLineServer(CmdLine):
def log_line_means_process_ready(self, line):
return line.endswith('Waiting for new connections')
class CmdLineWorker(CmdLine):
def log_line_means_process_ready(self, line):
return line.endswith('Waiting for a new command')
@fixture
def server(base_cmd_line, paths, server_port, sqlite_path):
args = ['--port', server_port, '--sqlite', sqlite_path]
cmd_line = CmdLineServer.wrap(base_cmd_line, CmdLine(paths.server_binary, *args))
with cmd_line.run_async() as server:
yield server
assert server.returncode == 0
@fixture
def workers(base_cmd_line, paths, server_port):
args = ['--host', '127.0.0.1', '--port', server_port]
cmd_line = CmdLineWorker.wrap(base_cmd_line, CmdLine(paths.worker_binary, *args))
with cmd_line.run_async() as worker1, \
cmd_line.run_async() as worker2:
yield [worker1, worker2]
assert worker1.returncode == 0
assert worker2.returncode == 0
@fixture
def server_and_workers(server, workers):
yield server, workers
@fixture
def client(base_cmd_line, paths, server_port):
args = ['--host', '127.0.0.1', '--port', server_port]
cmd_line = CmdLine.wrap(base_cmd_line, CmdLine(paths.client_binary, *args))
return cmd_line
@fixture
def test_repo(tmp_path):
return TestRepo(tmp_path)
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