rename of Transformations to TransformationPaths
[xmlrouter] / impl / src / test / java / org / wamblee / xmlrouter / impl / TransformationPathsTest.java
diff --git a/impl/src/test/java/org/wamblee/xmlrouter/impl/TransformationPathsTest.java b/impl/src/test/java/org/wamblee/xmlrouter/impl/TransformationPathsTest.java
new file mode 100644 (file)
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+/*
+ * Copyright 2005-2011 the original author or authors.
+ * 
+ * Licensed 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.
+ */
+package org.wamblee.xmlrouter.impl;
+
+import static junit.framework.Assert.*;
+
+import java.util.Collection;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import javax.xml.transform.dom.DOMSource;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.wamblee.xmlrouter.common.Id;
+import org.wamblee.xmlrouter.config.Transformation;
+
+public class TransformationPathsTest {
+
+    public static class MyTransformation implements Transformation {
+
+        private String from;
+        private String to;
+
+        public MyTransformation(String aFrom, String aTo) {
+            from = aFrom;
+            to = aTo;
+        }
+
+        @Override
+        public String getName() {
+            return "myname";
+        }
+
+        @Override
+        public String getFromType() {
+            return from;
+        }
+
+        @Override
+        public String getToType() {
+            return to;
+        }
+
+        @Override
+        public DOMSource transform(DOMSource aDocument) {
+            return null;
+        }
+
+        @Override
+        public String toString() {
+            return from + "->" + to;
+        }
+    }
+
+    private TransformationPaths transformations;
+
+    @Before
+    public void setUp() {
+        transformations = new TransformationPaths();
+    }
+
+    private Map<Id<Transformation>, Transformation> createTransformations(
+        long aStartId, Transformation... aTransformations) {
+        Map<Id<Transformation>, Transformation> res = new LinkedHashMap<Id<Transformation>, Transformation>();
+
+        long id = aStartId;
+        for (Transformation t : aTransformations) {
+            res.put(new Id<Transformation>(id++), t);
+        }
+        return res;
+    }
+
+    @Test
+    public void testOneTransformation() {
+        transformations.replaceTransformations(createTransformations(10L,
+            new MyTransformation("A", "B")));
+
+        System.out.println(transformations.toString());
+        TransformationPath path = transformations.getPath("A", "B");
+        assertEquals(1, path.size());
+        assertNull(transformations.getPath("B", "A"));
+
+        assertEquals(0, transformations.getPath("A", "A").size());
+        assertEquals(0, transformations.getPath("B", "B").size());
+
+        Collection<String> possibleTargets = transformations
+            .getPossibleTargetTypes("A");
+        assertEquals(2, possibleTargets.size());
+        assertTrue(possibleTargets.contains("A"));
+        assertTrue(possibleTargets.contains("B"));
+    }
+
+    @Test
+    public void testMultipleTransformations() {
+        transformations.replaceTransformations(createTransformations(10L,
+            new MyTransformation("A", "B"), new MyTransformation("B", "C"),
+            new MyTransformation("C", "A")));
+
+        System.out.println(transformations);
+        assertEquals(2, transformations.getPath("C", "B").size());
+
+        transformations.replaceTransformations(createTransformations(10L,
+            new MyTransformation("B", "C"), new MyTransformation("C", "A")));
+
+        assertNull(transformations.getPath("C", "B"));
+    }
+
+    @Test
+    public void testUnknownDestination() {
+        transformations.replaceTransformations(createTransformations(10L,
+            new MyTransformation("A", "B")));
+        assertNull(transformations.getPath("A", "D"));
+    }
+
+    @Test
+    public void testWithoutTransformations() {
+        Collection<String> res = transformations.getPossibleTargetTypes("a");
+        assertEquals(1, res.size());
+
+        TransformationPath path = transformations.getPath("A", "A");
+        assertNotNull(path);
+        assertEquals(0, path.size());
+
+        assertNull(transformations.getPath("B", "C"));
+    }
+}