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1
8 package org.picocontainer.gems.monitors;
9
10 import java.io.BufferedReader  ;
11 import java.io.IOException ;
12 import java.io.Reader ;
13 import java.io.StringReader ;
14 import java.lang.reflect.Constructor ;
15 import java.lang.reflect.Method ;
16 import java.util.ArrayList ;
17 import java.util.List ;
18
19 import junit.framework.TestCase;
20
21 import org.picocontainer.ComponentMonitor;
22 import org.picocontainer.monitors.AbstractComponentMonitor;
23
24
31 public abstract class AbstractComponentMonitorTestCase extends TestCase {
32 private ComponentMonitor componentMonitor;
33 private Constructor constructor;
34 private Method method;
35
36 protected void setUp() throws Exception {
37 constructor = getConstructor();
38 method = getMethod();
39 componentMonitor = makeComponentMonitor();
40 }
41
42 protected abstract ComponentMonitor makeComponentMonitor();
43
44 protected abstract Constructor getConstructor() throws NoSuchMethodException ;
45
46 protected abstract Method getMethod() throws NoSuchMethodException ;
47
48 protected abstract String getLogPrefix();
49
50 protected void tearDown() throws Exception {
51 ForTestSakeAppender.CONTENT = "";
52 }
53
54 public void testShouldTraceInstantiating() throws Exception {
55 componentMonitor.instantiating(constructor);
56 assertFileContent(getLogPrefix() + AbstractComponentMonitor.format(AbstractComponentMonitor.INSTANTIATING, new Object []{AbstractComponentMonitor.toString(constructor)}));
57 }
58
59 public void testShouldTraceInstantiated() throws Exception {
60 componentMonitor.instantiated(constructor, 543);
61 String line = getLogPrefix() + AbstractComponentMonitor.format(AbstractComponentMonitor.INSTANTIATED, new Object []{AbstractComponentMonitor.toString(constructor), new Long (543)});
62 assertFileContent(line);
63 }
64
65 public void testShouldTraceInstantiatedWithInjected() throws Exception {
66 Object [] injected = new Object [0];
67 Object instantiated = new Object ();
68 componentMonitor.instantiated(constructor, instantiated, injected, 543);
69 String s = AbstractComponentMonitor.format(AbstractComponentMonitor.INSTANTIATED2, new Object []{AbstractComponentMonitor.toString(constructor), new Long (543), instantiated.getClass().getName(), AbstractComponentMonitor.toString(injected)});
70 assertFileContent(getLogPrefix() + s);
71 }
72
73
74 public void testShouldTraceInstantiationFailed() throws Exception {
75 componentMonitor.instantiationFailed(constructor, new RuntimeException ("doh"));
76 assertFileContent(getLogPrefix() + AbstractComponentMonitor.format(AbstractComponentMonitor.INSTANTIATION_FAILED, new Object []{AbstractComponentMonitor.toString(constructor), "doh"}));
77 }
78
79 public void testShouldTraceInvoking() throws Exception {
80 componentMonitor.invoking(method, this);
81 assertFileContent(getLogPrefix() + AbstractComponentMonitor.format(AbstractComponentMonitor.INVOKING, new Object []{AbstractComponentMonitor.toString(method), this}));
82 }
83
84 public void testShouldTraceInvoked() throws Exception {
85 componentMonitor.invoked(method, this, 543);
86 assertFileContent(getLogPrefix() + AbstractComponentMonitor.format(AbstractComponentMonitor.INVOKED, new Object []{AbstractComponentMonitor.toString(method), this, new Long (543)}));
87 }
88
89 public void testShouldTraceInvocatiationFailed() throws Exception {
90 componentMonitor.invocationFailed(method, this, new RuntimeException ("doh"));
91 assertFileContent(getLogPrefix() + AbstractComponentMonitor.format(AbstractComponentMonitor.INVOCATION_FAILED, new Object []{AbstractComponentMonitor.toString(method), this, "doh"}));
92 }
93
94 protected void assertFileContent(String line) throws IOException {
95 List lines = toLines( new StringReader ( ForTestSakeAppender.CONTENT ) );
96 String s = lines.toString();
97 assertTrue("Line '" + line + "' not found", s.indexOf(line) > 0);
98 }
99
100 protected List toLines(Reader resource) throws IOException {
101 BufferedReader br = new BufferedReader (resource);
102 List lines = new ArrayList ();
103 String line = br.readLine();
104 while ( line != null) {
105 lines.add(line);
106 line = br.readLine();
107 }
108 return lines;
109 }
110
111 }
112 |
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