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stale_response.test.py: address log wait flakiness #13323

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stale_response.test.py: address log wait flakiness #13323

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33 changes: 14 additions & 19 deletions tests/gold_tests/pluginTest/stale_response/stale_response.test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -140,28 +140,23 @@ def setupClient(self, tr: 'TestRun') -> None:

def verify_plugin_log(self) -> None:
"""Verify the contents of the stale_response plugin log."""
tr = Test.AddTestRun("Verify stale_response plugin log")
name = f'log_waiter_{TestStaleResponse._ts_counter}'
log_waiter = tr.Processes.Process(name)
log_waiter.Command = 'sleep 30'
swr_log_pattern = "stale-while-revalidate:.*stale.jpeg"
sie_log_pattern = "stale-if-error:.*error.jpeg"

def expect_log_entry(pattern: str, description: str, still_running_after: bool = False) -> None:
tr = Test.AddAwaitFileContainsTestRun(f"Await {description}", self._ts.Disk.stale_responses_log.AbsPath, pattern)
tr.StillRunningBefore = self._ts
if still_running_after:
tr.StillRunningAfter = self._ts
self._ts.Disk.stale_responses_log.Content += Testers.ContainsExpression(pattern, f"Verify {description}")

if self._option_type == OptionType.FORCE_SWR:
log_waiter.Ready = When.FileContains(self._ts.Disk.stale_responses_log.Name, "stale-while-revalidate:")
self._ts.Disk.stale_responses_log.Content += Testers.ContainsExpression(
"stale-while-revalidate:.*stale.jpeg", "Verify stale-while-revalidate directive is logged")
expect_log_entry(swr_log_pattern, "stale-while-revalidate directive is logged")
elif self._option_type == OptionType.FORCE_SIE:
log_waiter.Ready = When.FileContains(self._ts.Disk.stale_responses_log.Name, "stale-if-error:")
self._ts.Disk.stale_responses_log.Content += Testers.ContainsExpression(
"stale-if-error:.*error.jpeg", "Verify stale-if-error directive is logged")
expect_log_entry(sie_log_pattern, "stale-if-error directive is logged")
else:
log_waiter.Ready = When.FileContains(self._ts.Disk.stale_responses_log.Name, "stale-if-error:")
self._ts.Disk.stale_responses_log.Content += Testers.ContainsExpression(
"stale-while-revalidate:.*stale.jpeg", "Verify stale-while-revalidate directive is logged")
self._ts.Disk.stale_responses_log.Content += Testers.ContainsExpression(
"stale-if-error:.*error.jpeg", "Verify stale-if-error directive is logged")
p = tr.Processes.Default
p.Command = 'echo "Waiting upon the stale response log."'
p.StartBefore(log_waiter)
p.StillRunningAfter = self._ts
expect_log_entry(swr_log_pattern, "stale-while-revalidate directive is logged", still_running_after=True)
expect_log_entry(sie_log_pattern, "stale-if-error directive is logged")


TestStaleResponse(OptionType.NONE, is_global=True)
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