XWIKI-7688 : Implement the user preferences configuration source

Added unit test.

xwiki-platform-core/xwiki-platform-bridge/src/main/java/org/xwiki/bridge/DocumentAccessBridge.java

@@ -589,7 +589,7 @@ String getDocumentURL(final DocumentReference documentReference,
      * Utility method to retrieve the current user.
      * 
      * @return the current user full reference.
-     * @deprecated replaced by {@link org.xwiki.bridge.DocumentAccessBridge#getCurrentUserReference()}
+     * @deprecated replaced by {@link org.xwiki.bridge.DocumentAccessBridge#getCurrentUserReference()} since 4.0RC1
      */
     @Deprecated
     String getCurrentUser();

xwiki-platform-core/xwiki-platform-configuration/xwiki-platform-configuration-default/src/test/java/org/xwiki/configuration/internal/UserPreferencesConfigurationSourceTest.java

+/*
+ * See the NOTICE file distributed with this work for additional
+ * information regarding copyright ownership.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+package org.xwiki.configuration.internal;
+
+import org.jmock.Expectations;
+import org.junit.Assert;
+import org.junit.Test;
+import org.xwiki.bridge.DocumentAccessBridge;
+import org.xwiki.model.ModelContext;
+import org.xwiki.model.reference.DocumentReference;
+import org.xwiki.model.reference.WikiReference;
+import org.xwiki.test.AbstractMockingComponentTestCase;
+import org.xwiki.test.annotation.MockingRequirement;
+
+/**
+ * Unit tests for {@link UserPreferencesConfigurationSource}.
+ *
+ * @version $Id$
+ * @since 4.0RC1
+ */
+public class UserPreferencesConfigurationSourceTest extends AbstractMockingComponentTestCase
+{
+    @MockingRequirement
+    private UserPreferencesConfigurationSource source;
+
+    @Test
+    public void getPropertyForStringWhenExists() throws Exception
+    {
+        final DocumentReference userPreferencesReference = new DocumentReference("wiki", "XWiki", "XWikiUsers");
+        final DocumentReference currentUserReference = new DocumentReference("wiki", "XWiki", "User");
+
+        final DocumentAccessBridge dab = getComponentManager().lookupComponent(DocumentAccessBridge.class);
+        final ModelContext modelContext = getComponentManager().lookupComponent(ModelContext.class);
+        getMockery().checking(new Expectations() {{
+            allowing(dab).getCurrentUserReference();
+                will(returnValue(currentUserReference));
+            allowing(modelContext).getCurrentEntityReference();
+                will(returnValue(new WikiReference("wiki")));
+            oneOf(dab).getProperty(currentUserReference, userPreferencesReference, "key");
+                will(returnValue("value"));
+        }});
+
+        String result = this.source.getProperty("key", String.class);
+
+        Assert.assertEquals("value", result);
+    }
+}