package com.github.searls.jasmine.runner;
   
   import org.apache.commons.lang3.StringUtils;
   import org.apache.maven.plugin.logging.Log;
   import org.openqa.selenium.By;
   import org.openqa.selenium.WebDriver;
   import org.openqa.selenium.WebElement;
   
   class ConsoleErrorChecker {
    void checkForConsoleErrors(final WebDriver driver, final Log log) {
      final WebElement head = driver.findElement(By.tagName("head"));
      if (head != null) {
        String jserrors = head.getAttribute("jmp_jserror");
        if (StringUtils.isNotBlank(jserrors)) {
          String errors = "JavaScript Console Errors:\n\n  * " + jserrors.replaceAll(":!:", "\n  * ") + "\n\n";
          log.warn(errors);
          throw new RuntimeException("There were javascript console errors.\n\n" + errors);
        }
      }
    }
  }