[jboss-user] [JBoss Seam] - Re: Unit Testing EL in EJB-QL/HQL

[matt.drees]

Yeah, I mock the log object in my unit tests to get around the fact that there is no application context active.  It looks like this, and seems to work ok:

  | package org.uscm.crs.misc;
  | 
  | import org.jboss.seam.log.Log;
  | import org.jboss.seam.log.Logging;
  | 
  | public class MockSeamLogger implements Log {
  | 
  | 	
  | 	private Log log;
  | 
  | 	public MockSeamLogger() {
  | 		log = Logging.getLog(MockSeamLogger.class);
  | 	}
  | 	
  | 	public MockSeamLogger(Class clazz) {
  | 		log = Logging.getLog(clazz);		
  | 	}
  | 	
  | 	
  | 	private Object clean(Object object) {
  | 		if (object instanceof String) {
  | 			String string = (String) object;
  | 			return string.replace("#{", "{");
  | 		}
  | 		return object;
  | 	}
  | 
  | 	public void debug(Object object, Object... params) {
  | 		log.debug(clean(object), params);
  | 	}
  | 
  | 
  | 	public void debug(Object object, Throwable t, Object... params) {
  | 		log.debug(clean(object), t, params);
  | 
  | 	}
  | 
  | 	public void error(Object object, Object... params) {
  | 		log.error(clean(object), params);
  | 	}
  | 
  | 	public void error(Object object, Throwable t, Object... params) {
  | 		log.error(clean(object), t, params);
  | 
  | 	}
  | 
  | 	public void fatal(Object object, Object... params) {
  | 		log.fatal(clean(object), params);
  | 	}
  | 
  | 	public void fatal(Object object, Throwable t, Object... params) {
  | 		log.fatal(clean(object), t, params);
  | 
  | 	}
  | 
  | 	public void info(Object object, Object... params) {
  | 		log.info(clean(object), params);
  | 	}
  | 
  | 	public void info(Object object, Throwable t, Object... params) {
  | 		log.info(clean(object), t, params);
  | 
  | 	}
  | 
  | 	public boolean isDebugEnabled() {
  | 		return true;
  | 	}
  | 
  | 	public boolean isErrorEnabled() {
  | 		return true;
  | 	}
  | 
  | 	public boolean isFatalEnabled() {
  | 		return true;
  | 	}
  | 
  | 	public boolean isInfoEnabled() {
  | 		return true;
  | 	}
  | 
  | 	public boolean isTraceEnabled() {
  | 		return true;
  | 	}
  | 
  | 	public boolean isWarnEnabled() {
  | 		return true;
  | 	}
  | 
  | 	public void trace(Object object, Object... params) {
  | 		log.trace(clean(object), params);
  | 	}
  | 
  | 	public void trace(Object object, Throwable t, Object... params) {
  | 		log.trace(clean(object), t, params);
  | 	}
  | 
  | 	public void warn(Object object, Object... params) {
  | 		log.warn(clean(object), params);
  | 	}
  | 
  | 	public void warn(Object object, Throwable t, Object... params) {
  | 		log.warn(clean(object), t);
  | 	}
  | 
  | }
  | 

I'm definitely interested to hear if anyone else has found useful patterns for unit testing.  I'm wondering if it'd be worth it to simply set up the Application context manually; it might be lightweight enough to be reasonable in a unit test.

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