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4206e5f00b
These changes are all independent of each other; I just didn’t feel like making dozens of commits for them. Signed-off-by: Anders Kaseorg <anders@zulip.com>
119 lines
4.3 KiB
Python
119 lines
4.3 KiB
Python
import logging
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import re
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import sys
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from types import TracebackType
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from typing import Optional, Sequence, Type, cast
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class ExtraConsoleOutputInTestException(Exception):
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pass
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class ExtraConsoleOutputFinder:
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def __init__(self) -> None:
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valid_line_patterns = [
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# Example: Running zerver.tests.test_attachments.AttachmentsTests.test_delete_unauthenticated
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"^Running ",
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# Example: ** Test is TOO slow: analytics.tests.test_counts.TestRealmActiveHumans.test_end_to_end (0.581 s)
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"^\\*\\* Test is TOO slow: ",
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"^----------------------------------------------------------------------",
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# Example: INFO: URL coverage report is in var/url_coverage.txt
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"^INFO: URL coverage report is in",
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# Example: INFO: Try running: ./tools/create-test-api-docs
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"^INFO: Try running:",
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# Example: -- Running tests in parallel mode with 4 processes
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"^-- Running tests in",
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"^OK",
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# Example: Ran 2139 tests in 115.659s
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"^Ran [0-9]+ tests in",
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# Destroying test database for alias 'default'...
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"^Destroying test database for alias ",
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"^Using existing clone",
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"^\\*\\* Skipping ",
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]
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self.compiled_line_patterns = []
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for pattern in valid_line_patterns:
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self.compiled_line_patterns.append(re.compile(pattern))
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self.full_extra_output = ""
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def find_extra_output(self, data: str) -> None:
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lines = data.split("\n")
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for line in lines:
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if not line:
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continue
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found_extra_output = True
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for compiled_pattern in self.compiled_line_patterns:
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if compiled_pattern.match(line):
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found_extra_output = False
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break
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if found_extra_output:
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self.full_extra_output += f"{line}\n"
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class TeeStderrAndFindExtraConsoleOutput:
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def __init__(self, extra_output_finder: ExtraConsoleOutputFinder) -> None:
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self.stderr_stream = sys.stderr
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# get shared console handler instance from any logger that have it
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self.console_log_handler = cast(
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logging.StreamHandler, logging.getLogger("django.server").handlers[0]
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)
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assert isinstance(self.console_log_handler, logging.StreamHandler)
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assert self.console_log_handler.stream == sys.stderr
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self.extra_output_finder = extra_output_finder
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def __enter__(self) -> None:
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sys.stderr = self # type: ignore[assignment] # Doing tee by swapping stderr stream with custom file like class
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self.console_log_handler.stream = self
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def __exit__(
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self,
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exc_type: Optional[Type[BaseException]],
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exc_value: Optional[BaseException],
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traceback: Optional[TracebackType],
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) -> None:
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sys.stderr = self.stderr_stream
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self.console_log_handler.stream = sys.stderr
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def write(self, data: str) -> None:
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self.stderr_stream.write(data)
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self.extra_output_finder.find_extra_output(data)
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def writelines(self, data: Sequence[str]) -> None:
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self.stderr_stream.writelines(data)
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lines = "".join(data)
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self.extra_output_finder.find_extra_output(lines)
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def flush(self) -> None:
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self.stderr_stream.flush()
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class TeeStdoutAndFindExtraConsoleOutput:
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def __init__(self, extra_output_finder: ExtraConsoleOutputFinder) -> None:
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self.stdout_stream = sys.stdout
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self.extra_output_finder = extra_output_finder
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def __enter__(self) -> None:
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sys.stdout = self # type: ignore[assignment] # Doing tee by swapping stderr stream with custom file like class
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def __exit__(
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self,
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exc_type: Optional[Type[BaseException]],
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exc_value: Optional[BaseException],
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traceback: Optional[TracebackType],
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) -> None:
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sys.stdout = self.stdout_stream
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def write(self, data: str) -> None:
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self.stdout_stream.write(data)
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self.extra_output_finder.find_extra_output(data)
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def writelines(self, data: Sequence[str]) -> None:
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self.stdout_stream.writelines(data)
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lines = "".join(data)
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self.extra_output_finder.find_extra_output(lines)
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def flush(self) -> None:
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self.stdout_stream.flush()
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