Add unittests for LoggingPlugin (excluding perf tests)

testing/logging/test_fixture.py

@@ -0,0 +1,99 @@
+# -*- coding: utf-8 -*-
+import sys
+import logging
+
+
+logger = logging.getLogger(__name__)
+sublogger = logging.getLogger(__name__+'.baz')
+
+u = (lambda x: x.decode('utf-8')) if sys.version_info < (3,) else (lambda x: x)
+
+
+def test_fixture_help(testdir):
+    result = testdir.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_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):
+    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_record_tuples(caplog):
+    logger.info('boo %s', 'arg')
+
+    assert caplog.record_tuples == [
+        (__name__, logging.INFO, 'boo arg'),
+    ]
+
+
+def test_unicode(caplog):
+    logger.info(u('bū'))
+    assert caplog.records[0].levelname == 'INFO'
+    assert caplog.records[0].msg == u('bū')
+    assert u('bū') in caplog.text
+
+
+def test_clear(caplog):
+    logger.info(u('bū'))
+    assert len(caplog.records)
+    caplog.clear()
+    assert not len(caplog.records)
+
+
+def test_special_warning_with_del_records_warning(testdir):
+    p1 = testdir.makepyfile("""
+        def test_del_records_inline(caplog):
+            del caplog.records()[:]
+    """)
+    result = testdir.runpytest_subprocess(p1)
+    result.stdout.fnmatch_lines([
+        "*'caplog.records()' syntax is deprecated,"
+        " use 'caplog.records' property (or caplog.clear()) instead",
+        "*1 *warnings*",
+    ])
+
+
+def test_warning_with_setLevel(testdir):
+    p1 = testdir.makepyfile("""
+        def test_inline(caplog):
+            caplog.setLevel(0)
+    """)
+    result = testdir.runpytest_subprocess(p1)
+    result.stdout.fnmatch_lines([
+        "*'caplog.setLevel()' is deprecated,"
+        " use 'caplog.set_level()' instead",
+        "*1 *warnings*",
+    ])