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1
19 package org.netbeans.api.java.source.support;
20
21 import javax.swing.event.ChangeEvent  ;
22 import javax.swing.event.ChangeListener ;
23 import java.util.Arrays ;
24 import java.util.HashSet ;
25 import org.netbeans.api.java.source.CancellableTask;
26 import org.netbeans.api.java.source.CompilationInfo;
27 import org.netbeans.api.java.source.JavaSource;
28 import org.netbeans.api.java.source.JavaSource.Phase;
29 import org.netbeans.api.java.source.SourceUtilsTestUtil;
30 import org.netbeans.junit.NbTestCase;
31 import org.openide.filesystems.FileObject;
32 import org.openide.loaders.DataObject;
33 import org.openide.nodes.Node;
34 import org.openide.util.Lookup;
35 import org.openide.util.lookup.Lookups;
36 import org.openide.util.lookup.ProxyLookup;
37
38
42 public class LookupBasedJavaSourceTaskFactoryTest extends NbTestCase {
43
44 public LookupBasedJavaSourceTaskFactoryTest(String testName) {
45 super(testName);
46 }
47
48 private FileObject testDir;
49 private FileObject testFile1;
50 private FileObject testFile2;
51 private DataObject testFile1DO;
52 private DataObject testFile2DO;
53 private Node testFile1Node;
54 private Node testFile2Node;
55
56 protected void setUp() throws Exception {
57 testDir = SourceUtilsTestUtil.makeScratchDir(this);
58 testFile1 = testDir.createData("test1.txt");
59 testFile2 = testDir.createData("test2.txt");
60 testFile1DO = DataObject.find(testFile1);
61 testFile2DO = DataObject.find(testFile2);
62 testFile1Node = testFile1DO.getNodeDelegate();
63 testFile2Node = testFile2DO.getNodeDelegate();
64 }
65
66 public void testFactoryListensOnLookupChanges() throws Exception {
67 int[] changeCount = new int[1];
68 LookupBasedJavaSourceTaskFactory factory = new LookupBasedJavaSourceTaskFactoryImpl(changeCount);
69 ChangeableLookup lookup = new ChangeableLookup();
70
71 factory.setLookup(lookup);
72
73 assertEquals(1, changeCount[0]);
74 assertEquals(0, factory.getFileObjects().size());
75
76 lookup.setLookupsImpl(new Lookup[] {Lookups.singleton(testFile1)});
77
78 assertEquals(2, changeCount[0]);
79 assertEquals(1, factory.getFileObjects().size());
80 assertEquals(testFile1, factory.getFileObjects().get(0));
81
82 lookup.setLookupsImpl(new Lookup[] {Lookups.singleton(testFile2)});
83
84 assertEquals(3, changeCount[0]);
85 assertEquals(1, factory.getFileObjects().size());
86 assertEquals(testFile2, factory.getFileObjects().get(0));
87
88 lookup.setLookupsImpl(new Lookup[] {});
89
90 assertEquals(4, changeCount[0]);
91 assertEquals(0, factory.getFileObjects().size());
92
93 lookup.setLookupsImpl(new Lookup[] {Lookups.fixed(new Object [] {testFile1, testFile2})});
94
95 assertEquals(5, changeCount[0]);
96 assertEquals(2, factory.getFileObjects().size());
97 assertEquals(new HashSet (Arrays.asList(testFile1, testFile2)), new HashSet (factory.getFileObjects()));
98
99 lookup.setLookupsImpl(new Lookup[] {});
100
101 assertEquals(6, changeCount[0]);
102 assertEquals(0, factory.getFileObjects().size());
103
104 lookup.setLookupsImpl(new Lookup[] {Lookups.singleton(testFile1DO)});
105
106 assertEquals(7, changeCount[0]);
107 assertEquals(1, factory.getFileObjects().size());
108 assertEquals(testFile1, factory.getFileObjects().get(0));
109
110 lookup.setLookupsImpl(new Lookup[] {Lookups.fixed(new Object [] {testFile1DO, testFile1Node})});
111
112 assertEquals(8, changeCount[0]);
113 assertEquals(1, factory.getFileObjects().size());
114 assertEquals(testFile1, factory.getFileObjects().get(0));
115
116 lookup.setLookupsImpl(new Lookup[] {Lookups.singleton(testFile2Node)});
117
118 assertEquals(10, changeCount[0]);
119 assertEquals(1, factory.getFileObjects().size());
120 assertEquals(testFile2, factory.getFileObjects().get(0));
121 }
122
123 private static class LookupBasedJavaSourceTaskFactoryImpl extends LookupBasedJavaSourceTaskFactory {
124
125 private int[] changeCount;
126
127 public LookupBasedJavaSourceTaskFactoryImpl(int[] changeCount) {
128 super(null, null);
129 this.changeCount = changeCount;
130 }
131
132 public CancellableTask<CompilationInfo> createTask(FileObject file) {
133 throw new IllegalStateException ();
134 }
135
136 @Override
137 protected void lookupContentChanged() {
138 changeCount[0]++;
139 }
140
141 }
142
143 private static class ChangeableLookup extends ProxyLookup {
144
145 public void setLookupsImpl(Lookup[] lookups) {
146 setLookups(lookups);
147 }
148 }
149 }
150 |
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