001 package org.picocontainer.monitors; 002 003 import java.io.StringWriter; 004 import java.io.Writer; 005 import java.lang.reflect.Constructor; 006 import java.lang.reflect.Method; 007 008 import junit.framework.TestCase; 009 010 import org.picocontainer.ComponentMonitor; 011 012 /** 013 * @author Aslak Hellesøy 014 * @author Mauro Talevi 015 * @version $Revision: 2973 $ 016 */ 017 public class WriterComponentMonitorTestCase extends TestCase { 018 private Writer out; 019 private ComponentMonitor componentMonitor; 020 private static final String NL = System.getProperty("line.separator"); 021 private Constructor constructor; 022 private Method method; 023 024 protected void setUp() throws Exception { 025 out = new StringWriter(); 026 constructor = getClass().getConstructor((Class[])null); 027 method = getClass().getDeclaredMethod("setUp", (Class[])null); 028 componentMonitor = new WriterComponentMonitor(out); 029 } 030 031 public void testShouldTraceInstantiating() { 032 componentMonitor.instantiating(constructor); 033 assertEquals(WriterComponentMonitor.format(WriterComponentMonitor.INSTANTIATING, new Object[]{AbstractComponentMonitor.toString(constructor)}) +NL, out.toString()); 034 } 035 036 public void testShouldTraceInstantiated() { 037 componentMonitor.instantiated(constructor, 543); 038 assertEquals(WriterComponentMonitor.format(WriterComponentMonitor.INSTANTIATED, new Object[]{AbstractComponentMonitor.toString(constructor), new Long(543)}) +NL, out.toString()); 039 } 040 041 public void testShouldTraceInstantiatedWithInjected() { 042 Object[] injected = new Object[0]; 043 Object instantiated = new Object(); 044 componentMonitor.instantiated(constructor, instantiated, injected, 543); 045 assertEquals(WriterComponentMonitor.format(WriterComponentMonitor.INSTANTIATED2, new Object[]{AbstractComponentMonitor.toString(constructor), new Long(543), instantiated.getClass().getName(), WriterComponentMonitor.toString(injected)}) +NL, out.toString()); 046 } 047 048 049 public void testShouldTraceInstantiationFailed() { 050 componentMonitor.instantiationFailed(constructor, new RuntimeException("doh")); 051 assertEquals(WriterComponentMonitor.format(WriterComponentMonitor.INSTANTIATION_FAILED, new Object[]{AbstractComponentMonitor.toString(constructor), "doh"}) +NL, out.toString()); 052 } 053 054 public void testShouldTraceInvoking() { 055 componentMonitor.invoking(method, this); 056 assertEquals(WriterComponentMonitor.format(WriterComponentMonitor.INVOKING, new Object[]{AbstractComponentMonitor.toString(method), this}) +NL, out.toString()); 057 } 058 059 public void testShouldTraceInvoked() { 060 componentMonitor.invoked(method, this, 543); 061 assertEquals(WriterComponentMonitor.format(WriterComponentMonitor.INVOKED, new Object[]{AbstractComponentMonitor.toString(method), this, new Long(543)}) +NL, out.toString()); 062 } 063 064 public void testShouldTraceInvocatiationFailed() { 065 componentMonitor.invocationFailed(method, this, new RuntimeException("doh")); 066 assertEquals(WriterComponentMonitor.format(WriterComponentMonitor.INVOCATION_FAILED, new Object[]{AbstractComponentMonitor.toString(method), this, "doh"}) +NL, out.toString()); 067 } 068 069 }