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109 lines
3.3 KiB
Python
109 lines
3.3 KiB
Python
import testflows.settings as settings
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from testflows.core import *
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from multiprocessing.dummy import Pool
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from multiprocessing import TimeoutError as PoolTaskTimeoutError
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@TestStep(Given)
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def instrument_clickhouse_server_log(self, node=None, test=None,
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clickhouse_server_log="/var/log/clickhouse-server/clickhouse-server.log"):
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"""Instrument clickhouse-server.log for the current test (default)
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by adding start and end messages that include test name to log
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of the specified node. If we are in the debug mode and the test
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fails then dump the messages from the log for this test.
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"""
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if test is None:
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test = current()
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if node is None:
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node = self.context.node
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with By("getting current log size"):
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cmd = node.command(f"stat --format=%s {clickhouse_server_log}")
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start_logsize = cmd.output.split(" ")[0].strip()
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try:
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with And("adding test name start message to the clickhouse-server.log"):
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node.command(f"echo -e \"\\n-- start: {test.name} --\\n\" >> {clickhouse_server_log}")
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yield
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finally:
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if top().terminating is True:
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return
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with Finally("adding test name end message to the clickhouse-server.log", flags=TE):
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node.command(f"echo -e \"\\n-- end: {test.name} --\\n\" >> {clickhouse_server_log}")
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with And("getting current log size at the end of the test"):
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cmd = node.command(f"stat --format=%s {clickhouse_server_log}")
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end_logsize = cmd.output.split(" ")[0].strip()
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with And("checking if test has failing result"):
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if settings.debug and not self.parent.result:
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with Then("dumping clickhouse-server.log for this test"):
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node.command(f"tail -c +{start_logsize} {clickhouse_server_log}"
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f" | head -c {int(end_logsize) - int(start_logsize)}")
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def join(tasks, timeout=None, polling=5):
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"""Join all parallel tests.
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"""
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exc = None
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for task in tasks:
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task._join_timeout = timeout
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while tasks:
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try:
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try:
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tasks[0].get(timeout=polling)
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tasks.pop(0)
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except PoolTaskTimeoutError as e:
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task = tasks.pop(0)
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if task._join_timeout is not None:
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task._join_timeout -= polling
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if task._join_timeout <= 0:
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raise
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tasks.append(task)
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continue
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except KeyboardInterrupt as e:
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top().terminating = True
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raise
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except Exception as e:
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tasks.pop(0)
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if exc is None:
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exc = e
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top().terminating = True
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if exc is not None:
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raise exc
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def start(pool, tasks, scenario, kwargs=None):
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"""Start parallel test.
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"""
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if kwargs is None:
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kwargs = {}
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task = pool.apply_async(scenario, [], kwargs)
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tasks.append(task)
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return task
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def run_scenario(pool, tasks, scenario, kwargs=None):
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if kwargs is None:
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kwargs = {}
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_top = top()
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def _scenario_wrapper(**kwargs):
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if _top.terminating:
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return
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return scenario(**kwargs)
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if current().context.parallel:
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start(pool, tasks, _scenario_wrapper, kwargs)
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else:
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scenario(**kwargs)
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