BasicDataObjectTest


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16   * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
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19  
20  package org.openide.loaders;
21  
22  import javax.swing.SwingUtilities  ;
23  import org.openide.filesystems.*;
24  import org.openide.loaders.*;
25  import java.beans.*;
26  import org.netbeans.junit.*;
27  import org.openide.nodes.Node;
28  
29  /*
30   * This class tests the basic functionality of standard DataObjects - Instance,
31   * Settings, Default, Folder and Shadow.
32   * @author js104452
33   */
34  public class BasicDataObjectTest extends NbTestCase {
35  
36      /** Creates new BasicDataObjectTest */
37      public BasicDataObjectTest(String   name) {
38          super(name);
39      }
40  
41      // For each test setup a FileSystem and DataObjects
42      protected void setUp() throws Exception   {
43          clearWorkDir ();
44          lfs = TestUtilHid.createLocalFileSystem (getWorkDir (), fsstruct);
45          Repository.getDefault ().addFileSystem (lfs);
46          subDir = lfs.findResource("/Dir/SubDir");
47          dir = lfs.findResource("/Dir");
48          do1 = DataObject.find(subDir);
49          do2 = DataObject.find(dir);        
50          df1 = DataFolder.findFolder(subDir);
51          df2 = DataFolder.findFolder(dir);
52      }
53      
54      //Clear all stuff when the test finish
55      protected void tearDown() throws Exception   {
56          TestUtilHid.destroyLocalFileSystem (getName());
57      }
58      
59      public void testDirectCallToDataObjectContructorIsNotAllowed () throws Exception   {
60          try {
61              LocalFileSystem lfs = new LocalFileSystem ();
62              new MultiDataObject (lfs.getRoot(), DataLoaderPool.getFolderLoader ());
63              fail ("Constructor succeeded, it should not");
64          } catch (IllegalStateException   ex) {
65              // ok, we expect IllegalStateException
66          }
67      }
68      
69      public void testRenameShouldNotMove () throws Exception   {
70          FileObject fo = dir.createData ("file.txt");
71          DataObject obj = DataObject.find (fo);
72          try {
73              obj.getNodeDelegate ().setName ("SubDir/x.txt");
74              fail ("Rename should not be allowed to move: " + obj);
75          } catch (IllegalArgumentException   ex) {
76              // this is what should be thrown
77          }
78          try {
79              obj.getNodeDelegate ().setName ("../x.txt");
80              fail ("Move to root should not be allowed to move: " + obj);
81          } catch (IllegalArgumentException   ex) {
82              // this is what should be thrown
83          }
84      }
85  
86      public void testRenameFiresProperly () throws Exception   {
87          
88          class L implements PropertyChangeListener{
89              boolean name;
90              boolean files;
91              boolean dname;
92              
93              public void propertyChange(PropertyChangeEvent evt) {
94                  if(evt.getPropertyName().equals(DataObject.PROP_NAME)) name = true;
95                  if(evt.getPropertyName().equals(DataObject.PROP_FILES)) files = true;
96                  if(evt.getPropertyName().equals(Node.PROP_DISPLAY_NAME)) dname = true;
97              }
98          }
99          
100         FileObject fo = dir.createData ("file.txt");
101         DataObject data = DataObject.find(fo);
102         L dol = new L();
103         L dnl = new L();
104         data.addPropertyChangeListener(dol);
105         data.getNodeDelegate().addPropertyChangeListener(dnl);
106 
107         data.getNodeDelegate ().setName ("file2.txt");
108         
109         // wait for DataNode firing in AWT
110         SwingUtilities.invokeAndWait(new Runnable  () { public void run() {} });
111         
112         assertTrue("DataObject fired PROP_NAME on rename.", dol.name);
113         assertTrue("DataObject fired PROP_FILES on rename.", dol.files);
114         assertTrue("DataNode fired PROP_NAME on rename.", dnl.name);
115         assertTrue("DataNode fired PROP_FILES on rename.", dnl.files);
116         // assertTrue("DataNode fired PROP_DISPLAY_NAME on rename.", dnl.dname);
117     }
118 
119     
120     // Test basic functionality of a DataFolder
121     public void testBasicDataFolder() throws Exception   {        
122         
123         assertTrue("The DataObject.getFolder() method hasn't returned the same Folder as Folder which was created directly from the FileObject.",do1.equals(df1));
124 
125         assertTrue("The DataObject.getClass() method hasn't returned class org.openide.loaders.DataFolder but "+do1.getClass().toString()+".",do1.getClass().toString().equalsIgnoreCase("class org.openide.loaders.DataFolder"));
126 
127         assertTrue("The DataObject.getNodeDelegate().getCookie(DataObject.getClass()) method hasn't returned the DataFolder itself.",df1.equals(do1.getNodeDelegate().getCookie(do1.getClass())));
128         assertTrue("The DataObject.getNodeDelegate().getCookie(DataObject.getClass()) method hasn't returned the DataObject itself.",do1.equals(do1.getNodeDelegate().getCookie(do1.getClass())));
129 
130         assertTrue("The DataObject.getFolder().getPrimaryFile() hasn't returned the same value as the DataObject.getPrimaryFile().getParent() method.",do1.getFolder().getPrimaryFile().equals(do1.getPrimaryFile().getParent()));
131 
132         assertTrue("The DataObject.getName() hasn't returned the proper name but "+do1.getName()+".",do1.getName().equalsIgnoreCase("SubDir"));
133         
134         assertTrue("The DataObject.getLoader() hasn't returned the proper loader class but "+do1.getLoader().getClass().toString()+".",do1.getLoader().getClass().toString().equalsIgnoreCase("class org.openide.loaders.DataLoaderPool$FolderLoader"));
135         assertTrue("Two different DataObjects created on folder have not the same loader.",do1.getLoader().equals(do2.getLoader()));
136         assertTrue("DataObject created on folder has not the same loader as the DataFolder.",do2.getLoader().equals(df1.getLoader()) || df1.getLoader().equals(df2.getLoader()));
137 
138         DataObject[] arr = df1.getChildren();
139 
140         assertTrue("The DataFolder.getChildren() hasn't returned proper value.",arr.length == 0);
141         
142         boolean hlpBool_1 = do1.isValid();
143         do1.setValid(!hlpBool_1);
144         boolean hlpBool_2 = (do1.isValid() == !hlpBool_1);
145 
146         assertTrue("The DataObject.setValid() method has not changed the Valid state.", hlpBool_2);
147 
148         hlpBool_2 = (do1.isValid() == df1.isValid());
149 
150         assertTrue("The DataObject.setValid() method has not changed the Valid state on a DataFolder object created directly from the Folder.", hlpBool_2);
151     }    
152 
153     // Test basic functionality of a DataInstance
154     public void testBasicDataInstance() throws Exception   {            
155         FileObject fo1 = do1.getPrimaryFile().createData("file.instance");
156         FileObject fo2 = do1.getPrimaryFile().createData("file.settings");
157         Object   nc = do1.getCookie(DataFolder.class);
158         if (nc == null) { 
159             fail("FAILED - can't recieave the DataFolder.class Coockie.");
160         }
161         DataFolder df1 = (DataFolder)nc;
162         DataObject[] arr = df1.getChildren();
163         
164         if (arr.length <= 0 && arr.length > 2) {
165             fail("The DataFolder.getChildren() hasn't returned proper value.");
166         }
167 
168         for (int i=0; i<arr.length; i++) {
169             assertTrue("The DataObject.getFolder() hasn't returned the same DataFolder as the existing DataFolder is." ,arr[i].getFolder().equals(df1));
170             
171             assertTrue("The DataObject.getLoader() hasn't returned the proper loader class but "+arr[i].getLoader().getClass().toString()+".",arr[i].getLoader().getClass().toString().equalsIgnoreCase("class org.openide.loaders.DataLoaderPool$InstanceLoader"));
172             
173             assertTrue("The DataObject.getPrimaryFile().getParent().getName() hasn't returned the same value as the existing DataFolder.getName()",arr[i].getPrimaryFile().getParent().getName().equalsIgnoreCase(df1.getName()));
174 
175             assertTrue("The DataObject.getClass() method hasn't returned class org.openide.loaders.InstanceDataObject but "+arr[i].getClass().toString()+".",arr[i].getClass().toString().equalsIgnoreCase("class org.openide.loaders.InstanceDataObject"));
176 
177             assertTrue("The DataObject.getPrimaryFile().getName() hasn't returned the same value as DataObject.getName().",arr[i].getPrimaryFile().getName().equalsIgnoreCase(arr[i].getName()));
178         }
179     }
180 
181     // Test basic functionality of a DataDefault
182     public void testBasicDataDefault() throws Exception   {            
183         FileObject fo = do1.getPrimaryFile().createData("file.default");
184         Object   nc = do1.getCookie(DataFolder.class);
185         if (nc == null) { 
186             fail("FAILED - can't recieave the DataFolder.class Coockie.");
187         }
188         DataFolder df1 = (DataFolder)nc;
189         DataObject[] arr = df1.getChildren();
190         
191         if (arr.length <= 0 && arr.length > 1) {
192             fail("The DataFolder.getChildren() hasn't returned proper value.");
193         }
194 
195         int i = 0;
196         
197         assertTrue("The DataObject.getFolder() hasn't returned the same DataFolder as the existing DataFolder is." ,arr[i].getFolder().equals(df1));
198 
199         assertTrue("The DataObject.getLoader() hasn't returned the proper loader class but "+arr[i].getLoader().getClass().toString()+".",arr[i].getLoader().getClass().toString().equalsIgnoreCase("class org.openide.loaders.DataLoaderPool$DefaultLoader"));
200 
201         assertTrue("The DataObject.getPrimaryFile().getParent().getName() hasn't returned the same value as the existing DataFolder.getName()",arr[i].getPrimaryFile().getParent().getName().equalsIgnoreCase(df1.getName()));
202 
203         assertTrue("The DataObject.getClass() method hasn't returned class org.openide.loaders.DefaultDataObject but "+arr[i].getClass().toString()+".",arr[i].getClass().toString().equalsIgnoreCase("class org.openide.loaders.DefaultDataObject"));
204 
205         assertTrue("The DataObject.getPrimaryFile().getNameExt() hasn't returned the same value as DataObject.getName().",arr[i].getPrimaryFile().getNameExt().equalsIgnoreCase(arr[i].getName()));
206     }
207 
208     // Test basic functionality of a DataShadow
209     public void testBasicDataShadow() throws Exception   {        
210         FileObject fo = do1.getPrimaryFile().createData("file.shadow");
211         Object   nc = do1.getCookie(DataFolder.class);
212         if (nc == null) { 
213             fail("FAILED - can't recieave the DataFolder.class Coockie.");
214         }
215         DataFolder df1 = (DataFolder)nc;
216         DataObject[] arr = df1.getChildren();
217         
218         if (arr.length <= 0 && arr.length > 1) {
219             fail("The DataFolder.getChildren() hasn't returned proper value.");
220         }
221 
222         int i = 0;
223         
224         assertTrue("The DataObject.getFolder() hasn't returned the same DataFolder as the existing DataFolder is." ,arr[i].getFolder().equals(df1));
225 
226         assertTrue("The DataObject.getLoader() hasn't returned the proper loader class but "+arr[i].getLoader().getClass().toString()+".",arr[i].getLoader().getClass().toString().equalsIgnoreCase("class org.openide.loaders.DataLoaderPool$ShadowLoader"));
227 
228         assertTrue("The DataObject.getPrimaryFile().getParent().getName() hasn't returned the same value as the existing DataFolder.getName()",arr[i].getPrimaryFile().getParent().getName().equalsIgnoreCase(df1.getName()));
229 
230         assertTrue("The DataObject.getClass() method hasn't returned class org.openide.loaders.BrokenDataShadow but "+arr[i].getClass().toString()+".",arr[i].getClass().toString().equalsIgnoreCase("class org.openide.loaders.BrokenDataShadow"));
231         
232         assertTrue("The DataObject.getPrimaryFile().getName() hasn't returned the same value as DataObject.getName().",arr[i].getPrimaryFile().getName().equalsIgnoreCase(arr[i].getName()));
233     }
234     
235     
236     private String   fsstruct [] = new String   [] {"Dir/SubDir/"};
237     private FileSystem lfs;
238     private FileObject subDir;
239     private FileObject dir;
240     private DataObject do1;
241     private DataObject do2;
242     private DataFolder df1;
243     private DataFolder df2;
244     
245     public void testPropValidAfeterFileDeletion() throws Exception  {
246         class PropListener implements PropertyChangeListener{
247             PropertyChangeEvent validEvent;
248             public void propertyChange(PropertyChangeEvent evt) {
249                 if(evt.getPropertyName().equals(DataObject.PROP_VALID)){
250                 validEvent = evt;
251                 }
252             }
253             public PropertyChangeEvent getEvent(){
254                 return validEvent;
255             }
256         }
257         
258         FileObject fo = dir.createData("test.test");
259         DataObject data = DataObject.find(fo);
260         PropListener l = new PropListener();
261         data.addPropertyChangeListener(l);
262         assertTrue(data.isValid());
263         assertNull(l.getEvent());
264         fo.delete();
265         // now DO becomes invalid
266         assertFalse(data.isValid());
267         assertNotNull("Data object schould recive DataObject.PROP_VALID event.",l.getEvent());
268     }
269     
270     public void testDeleteAndTryToDeserializeIssue47446 () throws Exception   {
271         doSerTest (this.do1);
272     }
273     
274     public void testDeleteAndTryToDeserializeOnFolderIssue47446 () throws Exception   {
275         doSerTest (DataObject.find (
276             FileUtil.createData (subDir, "somedata.txt")
277         ));
278     }
279     
280     public void testDataObjectIsInItLookup() throws Exception   {
281         DataObject obj = DataObject.find (
282             FileUtil.createData (subDir, "somedata.txt")
283         );
284         
285         DataObject query = obj.getLookup().lookup(DataObject.class);
286         assertSame("Object is in its own lookup", obj, query);
287     }
288     
289     private void doSerTest (DataObject obj) throws Exception   {
290         org.openide.util.io.NbMarshalledObject mar = new org.openide.util.io.NbMarshalledObject (obj);
291         
292         assertSame ("If my object exists, deserialization returns the same", obj, mar.get ());
293         obj.delete ();
294         
295         try {
296             mar.get ();
297             fail ("Deserialization is supposed to fire an exception");
298         } catch (java.io.FileNotFoundException   ex) {
299             // ok
300         }
301     }
302 }
303
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