Method test_delay

Lib/test/test_logging.py:6349–6357

(self)

class FileHandlerTest(BaseFileTest):
    def test_delay(self):
        os.unlink(self.fn)
        fh = logging.FileHandler(self.fn, encoding='utf-8', delay=True)
        self.assertIsNone(fh.stream)
        self.assertFalse(os.path.exists(self.fn))
        fh.handle(logging.makeLogRecord({}))
        self.assertIsNotNone(fh.stream)
        self.assertTrue(os.path.exists(self.fn))
        fh.close()

    def test_emit_after_closing_in_write_mode(self):
        # Issue #42378