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1
50 package org.apache.avalon.meta.info.test;
51
52 import org.apache.avalon.meta.info.Descriptor;
53
54 import java.io.*;
55 import java.util.Properties  ;
56
57 import junit.framework.TestCase;
58
59
60
66 public abstract class AbstractDescriptorTestCase extends TestCase
67 {
68 protected static final String VALID_KEY = "key";
69 protected static final String VALID_VALUE = "value";
70 protected static final String INVALID_KEY = "bad-key";
71 protected static final String DEFAULT_VALUE = "default";
72
73 public AbstractDescriptorTestCase( String name )
74 {
75 super( name );
76 }
77
78 protected Properties getProperties()
79 {
80 Properties props = new Properties ();
81 props.put( VALID_KEY, VALID_VALUE );
82
83 return props;
84 }
85
86 protected abstract Descriptor getDescriptor();
87
88 protected void checkDescriptor( Descriptor desc )
89 {
90 assertEquals( VALID_VALUE, desc.getAttribute( VALID_KEY ) );
91 assertEquals( DEFAULT_VALUE, desc.getAttribute( INVALID_KEY, DEFAULT_VALUE ) );
92
93 boolean hasValid = false;
94 boolean hasInvalid = false;
95 String [] names = desc.getAttributeNames();
96
97 assertNotNull( names );
98 assertTrue( names.length > 0 );
99
100 for ( int i = 0; i < names.length; i++ )
101 {
102 if ( VALID_KEY.equals( names[i] ) ) hasValid = true;
103 if ( INVALID_KEY.equals( names[i] ) ) hasInvalid = true;
104 }
105
106 assertTrue( hasValid );
107 assertTrue( !hasInvalid );
108 }
109
110 public void testSerialization() throws IOException, ClassNotFoundException
111 {
112 Descriptor desc = getDescriptor();
113 checkDescriptor( desc );
114
115 File file = new File( "test.file" );
116 ObjectOutputStream oos = new ObjectOutputStream( new FileOutputStream( file ) );
117 oos.writeObject( desc );
118 oos.close();
119
120 ObjectInputStream ois = new ObjectInputStream( new FileInputStream( file ) );
121 Descriptor serialized = (Descriptor) ois.readObject();
122 ois.close();
123 file.delete();
124
125 assertTrue( desc != serialized ); checkDescriptor( serialized );
127
128 assertEquals( desc, serialized );
129 assertEquals( desc.hashCode(), serialized.hashCode() );
130 }
131 } |
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