Access captures logs in teardown

_pytest/logging.py

@@ -287,11 +287,16 @@ def _runtest_for(self, item, when):
         """Implements the internals of pytest_runtest_xxx() hook."""
         with catching_logs(LogCaptureHandler(),
                            formatter=self.formatter) as log_handler:
+            if not hasattr(item, 'catch_log_handlers'):
+                item.catch_log_handlers = {}
+            item.catch_log_handlers[when] = log_handler
             item.catch_log_handler = log_handler
             try:
                 yield  # run test
             finally:
                 del item.catch_log_handler
+                if when == 'teardown':
+                    del item.catch_log_handlers
 
             if self.print_logs:
                 # Add a captured log section to the report.

changelog/3117.feature

@@ -0,0 +1 @@
+New member on the `_item` member of the `caplog` fixture: `catch_log_handlers`. This contains a dict for the logs for the different stages of the test (setup, call, teardown). So to access the logs for the setup phase in your tests you can get to them via `caplog._item.catch_log_handlers`.

testing/logging/test_fixture.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 import logging
 
+import pytest
 
 logger = logging.getLogger(__name__)
 sublogger = logging.getLogger(__name__ + '.baz')
@@ -68,3 +69,22 @@ def test_clear(caplog):
     assert len(caplog.records)
     caplog.clear()
     assert not len(caplog.records)
+
+
+@pytest.fixture
+def logging_during_setup_and_teardown(caplog):
+    logger.info('a_setup_log')
+    yield
+    logger.info('a_teardown_log')
+    assert [x.message for x in caplog._item.catch_log_handlers['teardown'].records] == ['a_teardown_log']
+
+
+def test_caplog_captures_for_all_stages(caplog, logging_during_setup_and_teardown):
+    assert not caplog.records
+    assert not caplog._item.catch_log_handlers['call'].records
+    logger.info('a_call_log')
+    assert [x.message for x in caplog._item.catch_log_handlers['call'].records] == ['a_call_log']
+
+    assert [x.message for x in caplog._item.catch_log_handlers['setup'].records] == ['a_setup_log']
+
+    assert set(caplog._item.catch_log_handlers.keys()) == {'setup', 'call'}