what is logging in programming
In computing, a log file is a file that records either events that
occur in an operating system or other software runs, or messages between
different users of a communication software. Logging is the act of
keeping a log. ... Many operating systems, software frameworks and
programs include a logging system.python logging example
# logging_example.py
import logging
# Create a custom logger
logger = logging.getLogger(__name__)
# Create handlers
c_handler = logging.StreamHandler()
f_handler = logging.FileHandler('file.log')
c_handler.setLevel(logging.WARNING)
f_handler.setLevel(logging.ERROR)
# Create formatters and add it to handlers
c_format = logging.Formatter('%(name)s - %(levelname)s - %(message)s')
f_format = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
c_handler.setFormatter(c_format)
f_handler.setFormatter(f_format)
# Add handlers to the logger
logger.addHandler(c_handler)
logger.addHandler(f_handler)
logger.warning('This is a warning')
logger.error('This is an error')how to logging in framework
How do you use Log4J in your framework?
Basically it is printing/logging the important
events of the application/test run.
in my project I did logging using the log4j library.
I added the library dependency into pom.xml.
For logging we create an object from
Logger Interface and LogManager class using
getLogger method and passing the class name in it;
private static Logger log = LogManager.getLogger(LogDemo.class.getName());
static Logger log = Logger.getLogger(log4jExample.class.getName());
We create it by passing the
name of the current class.
Then we can use this object
to do our logging.
log.info
log.debug
log.fatal
log.error
The Logger object is responsible for capturing
logging information and they are stored
in a namespace hierarchy.logging.logger
import logging
logging.basicConfig(level=logging.WARNING)
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
logger.debug("some debugging...")
logger.error("some error...")logging python
logging.basicConfig(filename='example.log', filemode='w', level=logging.DEBUG)What do you use for logging?
I use Log4J for logging. I always log important steps in the test execution.
That helps me to debug when there is a
failure.
● Log4J is not a replacement for HTML reports.
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j- core</artifactId>
<version>2.11.0</version>
</dependency>Copyright © 2021 Codeinu
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