LogBrowserLogs.java

import org.junit.rules.TestWatcher;
import org.junit.runner.Description;
import org.openqa.selenium.logging.LogEntries;
import org.openqa.selenium.logging.LogEntry;
import org.openqa.selenium.logging.LogType;
import org.openqa.selenium.logging.Logs;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Date;

import static com.codeborne.selenide.WebDriverRunner.getWebDriver;

public class LogBrowserLogs extends TestWatcher {
  private static final Logger logger = LoggerFactory.getLogger(LogBrowserLogs.class);

  @Override
  protected void starting(Description description) {
    logger.info("starting {}", description);
  }

  @Override
  protected void succeeded(Description description) {
    logger.info("succeeded {}", description);
  }

  @Override
  protected void failed(Throwable e, Description description) {
    logger.info("failed {}", description);
  }

  @Override
  protected void finished(Description description) {
    try {
      Logs logs = getWebDriver().manage().logs();
      printLogs(logs.get(LogType.BROWSER));
    }
    catch (RuntimeException e) {
      logger.error("Failed to print browser logs", e);
    }
  }

  private void printLogs(LogEntries entries) {
    logger.info("{} log entries found", entries.getAll().size());
    for (LogEntry entry : entries) {
      logger.info("{} {} {}",
        new Date(entry.getTimestamp()), entry.getLevel(), entry.getMessage()
      );
    }
  }
}