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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* $Id$ */
+
+package org.apache.fop.fo;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import java.io.IOException;
+
+import org.apache.xmlgraphics.image.loader.ImageException;
+import org.apache.xmlgraphics.image.loader.ImageManager;
+import org.apache.xmlgraphics.image.loader.ImageSessionContext;
+
+import org.apache.fop.apps.FOUserAgent;
+import org.apache.fop.apps.FopFactory;
+
+/**
+ * A helper class for creating mocks of {@link FONode} and its descendants.
+ */
+public final class FONodeMocks {
+
+ private FONodeMocks() { }
+
+ /**
+ * Creates and returns a mock {@link FONode} configured with a mock
+ * {@link FOEventHandler}. The FO event handler returns a mock {@link FOUserAgent},
+ * which in turn returns a mock {@link FopFactory}, which returns a mock
+ * {@link ImageManager}.
+ *
+ * @return a mock FO node
+ */
+ public static FONode mockFONode() {
+ FONode mockFONode = mock(FONode.class);
+ mockGetFOEventHandler(mockFONode);
+ return mockFONode;
+ }
+
+ private static void mockGetFOEventHandler(FONode mockFONode) {
+ FOEventHandler mockFOEventHandler = mock(FOEventHandler.class);
+ mockGetUserAgent(mockFOEventHandler);
+ when(mockFONode.getFOEventHandler()).thenReturn(mockFOEventHandler);
+ }
+
+ private static void mockGetUserAgent(FOEventHandler mockFOEventHandler) {
+ FOUserAgent mockFOUserAgent = mock(FOUserAgent.class);
+ mockGetFactory(mockFOUserAgent);
+ when(mockFOEventHandler.getUserAgent()).thenReturn(mockFOUserAgent);
+ }
+
+ private static void mockGetFactory(FOUserAgent mockFOUserAgent) {
+ FopFactory mockFopFactory = mock(FopFactory.class);
+ mockGetImageManager(mockFopFactory);
+ when(mockFOUserAgent.getFactory()).thenReturn(mockFopFactory);
+ }
+
+ private static void mockGetImageManager(FopFactory mockFopFactory) {
+ try {
+ ImageManager mockImageManager = mock(ImageManager.class);
+ when(mockImageManager.getImageInfo(anyString(), any(ImageSessionContext.class)))
+ .thenReturn(null);
+ when(mockFopFactory.getImageManager()).thenReturn(mockImageManager);
+ } catch (ImageException e) {
+ throw new RuntimeException(e);
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+}