001 /*****************************************************************************
002 * Copyright (C) PicoContainer Organization. All rights reserved. *
003 * ------------------------------------------------------------------------- *
004 * The software in this package is published under the terms of the BSD *
005 * style license a copy of which has been included with this distribution in *
006 * the LICENSE.txt file. *
007 * *
008 * Original code by *
009 *****************************************************************************/
010 package org.picocontainer.monitors;
011
012 import static org.junit.Assert.assertEquals;
013 import static org.picocontainer.monitors.ComponentMonitorHelper.ctorToString;
014 import static org.picocontainer.monitors.ComponentMonitorHelper.format;
015 import static org.picocontainer.monitors.ComponentMonitorHelper.methodToString;
016 import static org.picocontainer.monitors.ComponentMonitorHelper.parmsToString;
017
018 import java.io.StringWriter;
019 import java.io.Writer;
020 import java.lang.reflect.Constructor;
021 import java.lang.reflect.Method;
022 import java.lang.reflect.Type;
023 import java.util.HashMap;
024 import java.util.Map;
025
026 import org.junit.Assert;
027 import org.junit.Before;
028 import org.junit.Test;
029 import org.picocontainer.ComponentMonitor;
030 import org.picocontainer.PicoCompositionException;
031 import org.picocontainer.PicoContainer;
032 import org.picocontainer.PicoLifecycleException;
033 import org.picocontainer.adapters.AbstractAdapter;
034 import org.picocontainer.containers.TransientPicoContainer;
035
036 /**
037 * @author Aslak Hellesøy
038 * @author Mauro Talevi
039 */
040 public class WriterComponentMonitorTestCase {
041
042 private Writer out;
043 private ComponentMonitor componentMonitor;
044 private static final String NL = System.getProperty("line.separator");
045 private Constructor constructor;
046 private Method method;
047
048 @Before
049 public void setUp() throws Exception {
050 out = new StringWriter();
051 constructor = getClass().getConstructor((Class[])null);
052 method = getClass().getDeclaredMethod("setUp", (Class[])null);
053 componentMonitor = new WriterComponentMonitor(out);
054 }
055
056 @Test public void testShouldTraceInstantiating() {
057 componentMonitor.instantiating(null, null, constructor);
058 assertEquals(format(ComponentMonitorHelper.INSTANTIATING, ctorToString(constructor)) +NL, out.toString());
059 }
060
061 @Test public void testShouldTraceInstantiatedWithInjected() {
062 Object[] injected = new Object[0];
063 Object instantiated = new Object();
064 componentMonitor.instantiated(null, null, constructor, instantiated, injected, 543);
065 Assert.assertEquals(format(ComponentMonitorHelper.INSTANTIATED,
066 ctorToString(constructor),
067 (long)543,
068 instantiated.getClass().getName(), parmsToString(injected)) +NL, out.toString());
069 }
070
071 @Test public void testShouldTraceInstantiationFailed() {
072 componentMonitor.instantiationFailed(null, null, constructor, new RuntimeException("doh"));
073 Assert.assertEquals(format(ComponentMonitorHelper.INSTANTIATION_FAILED,
074 ctorToString(constructor), "doh") +NL, out.toString());
075 }
076
077 @Test public void testShouldTraceInvoking() {
078 componentMonitor.invoking(null, null, method, this);
079 Assert.assertEquals(format(ComponentMonitorHelper.INVOKING,
080 methodToString(method), this) +NL, out.toString());
081 }
082
083 @Test public void testShouldTraceInvoked() {
084 componentMonitor.invoked(null, null, method, this, 543);
085 Assert.assertEquals(format(ComponentMonitorHelper.INVOKED,
086 methodToString(method), this,
087 (long)543) +NL, out.toString());
088 }
089
090 @Test public void testShouldTraceInvocatiationFailed() {
091 componentMonitor.invocationFailed(method, this, new RuntimeException("doh"));
092 Assert.assertEquals(format(ComponentMonitorHelper.INVOCATION_FAILED,
093 methodToString(method), this, "doh") +NL, out.toString());
094 }
095
096 @Test public void testShouldTraceLifecycleInvocationFailed() {
097 try {
098 componentMonitor.lifecycleInvocationFailed(new TransientPicoContainer(),
099 new AbstractAdapter(Map.class, HashMap.class) {
100 public Object getComponentInstance(PicoContainer container) throws PicoCompositionException {
101 return getComponentInstance(container, null);
102 }
103
104 public Object getComponentInstance(PicoContainer container, Type into)
105 throws PicoCompositionException {
106 return "x";
107 }
108
109 public void verify(PicoContainer container)
110 throws PicoCompositionException{
111 }
112
113 public String getDescriptor() {
114 return null;
115 }
116 },
117 method,
118 "fooooo",
119 new RuntimeException("doh"));
120 Assert.fail("should have barfed");
121 } catch (PicoLifecycleException e) {
122 //expected
123 }
124 Assert.assertEquals(format(ComponentMonitorHelper.LIFECYCLE_INVOCATION_FAILED,
125 methodToString(method), "fooooo", "doh") + NL,
126 out.toString());
127 }
128
129 @Test public void testNoComponent() {
130
131 componentMonitor.noComponentFound(new TransientPicoContainer(), "foo");
132 Assert.assertEquals(format(ComponentMonitorHelper.NO_COMPONENT,
133 "foo") +NL, out.toString());
134 }
135
136
137 }