311 lines
9.4 KiB
Python
311 lines
9.4 KiB
Python
import logging
|
|
|
|
import pytest
|
|
from _pytest.logging import caplog_records_key
|
|
from _pytest.pytester import Pytester
|
|
|
|
logger = logging.getLogger(__name__)
|
|
sublogger = logging.getLogger(__name__ + ".baz")
|
|
|
|
|
|
def test_fixture_help(pytester: Pytester) -> None:
|
|
result = pytester.runpytest("--fixtures")
|
|
result.stdout.fnmatch_lines(["*caplog*"])
|
|
|
|
|
|
def test_change_level(caplog):
|
|
caplog.set_level(logging.INFO)
|
|
logger.debug("handler DEBUG level")
|
|
logger.info("handler INFO level")
|
|
|
|
caplog.set_level(logging.CRITICAL, logger=sublogger.name)
|
|
sublogger.warning("logger WARNING level")
|
|
sublogger.critical("logger CRITICAL level")
|
|
|
|
assert "DEBUG" not in caplog.text
|
|
assert "INFO" in caplog.text
|
|
assert "WARNING" not in caplog.text
|
|
assert "CRITICAL" in caplog.text
|
|
|
|
|
|
def test_change_level_undo(pytester: Pytester) -> None:
|
|
"""Ensure that 'set_level' is undone after the end of the test.
|
|
|
|
Tests the logging output themselves (affacted both by logger and handler levels).
|
|
"""
|
|
pytester.makepyfile(
|
|
"""
|
|
import logging
|
|
|
|
def test1(caplog):
|
|
caplog.set_level(logging.INFO)
|
|
# using + operator here so fnmatch_lines doesn't match the code in the traceback
|
|
logging.info('log from ' + 'test1')
|
|
assert 0
|
|
|
|
def test2(caplog):
|
|
# using + operator here so fnmatch_lines doesn't match the code in the traceback
|
|
logging.info('log from ' + 'test2')
|
|
assert 0
|
|
"""
|
|
)
|
|
result = pytester.runpytest()
|
|
result.stdout.fnmatch_lines(["*log from test1*", "*2 failed in *"])
|
|
result.stdout.no_fnmatch_line("*log from test2*")
|
|
|
|
|
|
def test_change_level_undos_handler_level(pytester: Pytester) -> None:
|
|
"""Ensure that 'set_level' is undone after the end of the test (handler).
|
|
|
|
Issue #7569. Tests the handler level specifically.
|
|
"""
|
|
pytester.makepyfile(
|
|
"""
|
|
import logging
|
|
|
|
def test1(caplog):
|
|
assert caplog.handler.level == 0
|
|
caplog.set_level(9999)
|
|
caplog.set_level(41)
|
|
assert caplog.handler.level == 41
|
|
|
|
def test2(caplog):
|
|
assert caplog.handler.level == 0
|
|
|
|
def test3(caplog):
|
|
assert caplog.handler.level == 0
|
|
caplog.set_level(43)
|
|
assert caplog.handler.level == 43
|
|
"""
|
|
)
|
|
result = pytester.runpytest()
|
|
result.assert_outcomes(passed=3)
|
|
|
|
|
|
def test_with_statement(caplog):
|
|
with caplog.at_level(logging.INFO):
|
|
logger.debug("handler DEBUG level")
|
|
logger.info("handler INFO level")
|
|
|
|
with caplog.at_level(logging.CRITICAL, logger=sublogger.name):
|
|
sublogger.warning("logger WARNING level")
|
|
sublogger.critical("logger CRITICAL level")
|
|
|
|
assert "DEBUG" not in caplog.text
|
|
assert "INFO" in caplog.text
|
|
assert "WARNING" not in caplog.text
|
|
assert "CRITICAL" in caplog.text
|
|
|
|
|
|
def test_log_access(caplog):
|
|
caplog.set_level(logging.INFO)
|
|
logger.info("boo %s", "arg")
|
|
assert caplog.records[0].levelname == "INFO"
|
|
assert caplog.records[0].msg == "boo %s"
|
|
assert "boo arg" in caplog.text
|
|
|
|
|
|
def test_messages(caplog):
|
|
caplog.set_level(logging.INFO)
|
|
logger.info("boo %s", "arg")
|
|
logger.info("bar %s\nbaz %s", "arg1", "arg2")
|
|
assert "boo arg" == caplog.messages[0]
|
|
assert "bar arg1\nbaz arg2" == caplog.messages[1]
|
|
assert caplog.text.count("\n") > len(caplog.messages)
|
|
assert len(caplog.text.splitlines()) > len(caplog.messages)
|
|
|
|
try:
|
|
raise Exception("test")
|
|
except Exception:
|
|
logger.exception("oops")
|
|
|
|
assert "oops" in caplog.text
|
|
assert "oops" in caplog.messages[-1]
|
|
# Tracebacks are stored in the record and not added until the formatter or handler.
|
|
assert "Exception" in caplog.text
|
|
assert "Exception" not in caplog.messages[-1]
|
|
|
|
|
|
def test_record_tuples(caplog):
|
|
caplog.set_level(logging.INFO)
|
|
logger.info("boo %s", "arg")
|
|
|
|
assert caplog.record_tuples == [(__name__, logging.INFO, "boo arg")]
|
|
|
|
|
|
def test_unicode(caplog):
|
|
caplog.set_level(logging.INFO)
|
|
logger.info("bū")
|
|
assert caplog.records[0].levelname == "INFO"
|
|
assert caplog.records[0].msg == "bū"
|
|
assert "bū" in caplog.text
|
|
|
|
|
|
def test_clear(caplog):
|
|
caplog.set_level(logging.INFO)
|
|
logger.info("bū")
|
|
assert len(caplog.records)
|
|
assert caplog.text
|
|
caplog.clear()
|
|
assert not len(caplog.records)
|
|
assert not caplog.text
|
|
|
|
|
|
@pytest.fixture
|
|
def logging_during_setup_and_teardown(caplog):
|
|
caplog.set_level("INFO")
|
|
logger.info("a_setup_log")
|
|
yield
|
|
logger.info("a_teardown_log")
|
|
assert [x.message for x in caplog.get_records("teardown")] == ["a_teardown_log"]
|
|
|
|
|
|
def test_caplog_captures_for_all_stages(caplog, logging_during_setup_and_teardown):
|
|
assert not caplog.records
|
|
assert not caplog.get_records("call")
|
|
logger.info("a_call_log")
|
|
assert [x.message for x in caplog.get_records("call")] == ["a_call_log"]
|
|
|
|
assert [x.message for x in caplog.get_records("setup")] == ["a_setup_log"]
|
|
|
|
# This reaches into private API, don't use this type of thing in real tests!
|
|
assert set(caplog._item.stash[caplog_records_key]) == {"setup", "call"}
|
|
|
|
|
|
def test_ini_controls_global_log_level(pytester: Pytester) -> None:
|
|
pytester.makepyfile(
|
|
"""
|
|
import pytest
|
|
import logging
|
|
def test_log_level_override(request, caplog):
|
|
plugin = request.config.pluginmanager.getplugin('logging-plugin')
|
|
assert plugin.log_level == logging.ERROR
|
|
logger = logging.getLogger('catchlog')
|
|
logger.warning("WARNING message won't be shown")
|
|
logger.error("ERROR message will be shown")
|
|
assert 'WARNING' not in caplog.text
|
|
assert 'ERROR' in caplog.text
|
|
"""
|
|
)
|
|
pytester.makeini(
|
|
"""
|
|
[pytest]
|
|
log_level=ERROR
|
|
"""
|
|
)
|
|
|
|
result = pytester.runpytest()
|
|
# make sure that that we get a '0' exit code for the testsuite
|
|
assert result.ret == 0
|
|
|
|
|
|
def test_caplog_can_override_global_log_level(pytester: Pytester) -> None:
|
|
pytester.makepyfile(
|
|
"""
|
|
import pytest
|
|
import logging
|
|
def test_log_level_override(request, caplog):
|
|
logger = logging.getLogger('catchlog')
|
|
plugin = request.config.pluginmanager.getplugin('logging-plugin')
|
|
assert plugin.log_level == logging.WARNING
|
|
|
|
logger.info("INFO message won't be shown")
|
|
|
|
caplog.set_level(logging.INFO, logger.name)
|
|
|
|
with caplog.at_level(logging.DEBUG, logger.name):
|
|
logger.debug("DEBUG message will be shown")
|
|
|
|
logger.debug("DEBUG message won't be shown")
|
|
|
|
with caplog.at_level(logging.CRITICAL, logger.name):
|
|
logger.warning("WARNING message won't be shown")
|
|
|
|
logger.debug("DEBUG message won't be shown")
|
|
logger.info("INFO message will be shown")
|
|
|
|
assert "message won't be shown" not in caplog.text
|
|
"""
|
|
)
|
|
pytester.makeini(
|
|
"""
|
|
[pytest]
|
|
log_level=WARNING
|
|
"""
|
|
)
|
|
|
|
result = pytester.runpytest()
|
|
assert result.ret == 0
|
|
|
|
|
|
def test_caplog_captures_despite_exception(pytester: Pytester) -> None:
|
|
pytester.makepyfile(
|
|
"""
|
|
import pytest
|
|
import logging
|
|
def test_log_level_override(request, caplog):
|
|
logger = logging.getLogger('catchlog')
|
|
plugin = request.config.pluginmanager.getplugin('logging-plugin')
|
|
assert plugin.log_level == logging.WARNING
|
|
|
|
logger.error("ERROR message " + "will be shown")
|
|
|
|
with caplog.at_level(logging.DEBUG, logger.name):
|
|
logger.debug("DEBUG message " + "won't be shown")
|
|
raise Exception()
|
|
"""
|
|
)
|
|
pytester.makeini(
|
|
"""
|
|
[pytest]
|
|
log_level=WARNING
|
|
"""
|
|
)
|
|
|
|
result = pytester.runpytest()
|
|
result.stdout.fnmatch_lines(["*ERROR message will be shown*"])
|
|
result.stdout.no_fnmatch_line("*DEBUG message won't be shown*")
|
|
assert result.ret == 1
|
|
|
|
|
|
def test_log_report_captures_according_to_config_option_upon_failure(
|
|
pytester: Pytester,
|
|
) -> None:
|
|
"""Test that upon failure:
|
|
(1) `caplog` succeeded to capture the DEBUG message and assert on it => No `Exception` is raised.
|
|
(2) The `DEBUG` message does NOT appear in the `Captured log call` report.
|
|
(3) The stdout, `INFO`, and `WARNING` messages DO appear in the test reports due to `--log-level=INFO`.
|
|
"""
|
|
pytester.makepyfile(
|
|
"""
|
|
import pytest
|
|
import logging
|
|
|
|
def function_that_logs():
|
|
logging.debug('DEBUG log ' + 'message')
|
|
logging.info('INFO log ' + 'message')
|
|
logging.warning('WARNING log ' + 'message')
|
|
print('Print ' + 'message')
|
|
|
|
def test_that_fails(request, caplog):
|
|
plugin = request.config.pluginmanager.getplugin('logging-plugin')
|
|
assert plugin.log_level == logging.INFO
|
|
|
|
with caplog.at_level(logging.DEBUG):
|
|
function_that_logs()
|
|
|
|
if 'DEBUG log ' + 'message' not in caplog.text:
|
|
raise Exception('caplog failed to ' + 'capture DEBUG')
|
|
|
|
assert False
|
|
"""
|
|
)
|
|
|
|
result = pytester.runpytest("--log-level=INFO")
|
|
result.stdout.no_fnmatch_line("*Exception: caplog failed to capture DEBUG*")
|
|
result.stdout.no_fnmatch_line("*DEBUG log message*")
|
|
result.stdout.fnmatch_lines(
|
|
["*Print message*", "*INFO log message*", "*WARNING log message*"]
|
|
)
|
|
assert result.ret == 1
|