1 files changed, 176 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/composite-diagram/src/test/java/org/apache/tuscany/sca/diagram/layout/LayoutBuilderTestCase.java b/sca-java-2.x/tags/2.0.1-RC1/modules/composite-diagram/src/test/java/org/apache/tuscany/sca/diagram/layout/LayoutBuilderTestCase.java
new file mode 100755
index 0000000000..17e690ca71
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/composite-diagram/src/test/java/org/apache/tuscany/sca/diagram/layout/LayoutBuilderTestCase.java
@@ -0,0 +1,176 @@
+/*
+ * 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.    
+ */
+package org.apache.tuscany.sca.diagram.layout;
+
+import java.util.Arrays;
+import java.util.List;
+
+import junit.framework.Assert;
+
+import org.junit.Before;
+import org.junit.Test;
+
+public class LayoutBuilderTestCase {
+
+    LayoutBuilder lb;
+    Entity[] ents;
+    Entity parent;
+    int[][] conns;
+
+    @Before
+    public void setUp() throws Exception {
+        parent = new CompositeEntity("composite");
+        parent.setX(200);
+        parent.setY(100);
+
+        ents = new Entity[5];
+        for (int i = 0; i < ents.length; i++) {
+            ents[i] = new ComponentEntity();
+            ents[i].setId(i);
+            ents[i].setParent(parent);
+        }
+
+    }
+
+    @Test
+    public void testPlaceEntities() throws Exception {
+        //setUp();
+        Assert.assertEquals(5, ents.length);
+        Assert.assertEquals(200, ents[0].getStartPosition());
+
+        conns = new int[5][5];
+        for (int i = 0; i < conns.length; i++) {
+            for (int j = 0; j < conns.length; j++) {
+                //int x = Math.getExponent(Math.random());
+                if (i == j - 1)
+                    conns[i][j] = 1;
+                else
+                    conns[i][j] = 0;
+            }
+        }
+
+        lb = new LayoutBuilder(ents, conns, 4);
+
+        ents = lb.placeEntities();
+
+        Assert.assertEquals(5, ents.length);
+
+        Assert.assertEquals(0, ents[0].getLevel());
+        Assert.assertEquals(0, ents[1].getLevel());
+        Assert.assertEquals(0, ents[2].getLevel());
+        Assert.assertEquals(0, ents[3].getLevel());
+        Assert.assertEquals(0, ents[4].getLevel());
+
+        Assert.assertEquals(0, ents[0].getLane());
+        Assert.assertEquals(1, ents[1].getLane());
+        Assert.assertEquals(2, ents[2].getLane());
+        Assert.assertEquals(3, ents[3].getLane());
+        Assert.assertEquals(4, ents[4].getLane());
+
+    }
+
+    @Test
+    public void testPlaceEntities1() throws Exception {
+
+        conns = new int[5][5];
+        for (int i = 0; i < conns.length; i++) {
+            for (int j = 0; j < conns.length; j++) {
+                //int x = Math.getExponent(Math.random());
+                if (i == j - 1 || i == j - 4)
+                    conns[i][j] = 1;
+                else
+                    conns[i][j] = 0;
+            }
+        }
+        conns[3][4] = 0;
+
+        lb = new LayoutBuilder(ents, conns, 4);
+
+        ents = lb.placeEntities();
+
+        Assert.assertEquals(5, ents.length);
+
+        Assert.assertEquals(0, ents[0].getLevel());
+        Assert.assertEquals(0, ents[1].getLevel());
+        Assert.assertEquals(0, ents[2].getLevel());
+        Assert.assertEquals(0, ents[3].getLevel());
+        Assert.assertEquals(1, ents[4].getLevel());
+
+        Assert.assertEquals(0, ents[0].getLane());
+        Assert.assertEquals(1, ents[1].getLane());
+        Assert.assertEquals(2, ents[2].getLane());
+        Assert.assertEquals(3, ents[3].getLane());
+        Assert.assertEquals(1, ents[4].getLane());
+
+    }
+
+    @Test
+    public void testPlaceEntities2() throws Exception {
+
+        conns = new int[5][5];
+        for (int i = 0; i < conns.length; i++) {
+            for (int j = 0; j < conns.length; j++) {
+                if (i * j > 2 && i * j <= 6)
+                    conns[i][j] = 1;
+                else
+                    conns[i][j] = 0;
+            }
+        }
+
+        lb = new LayoutBuilder(ents, conns, 4);
+
+        ents = lb.placeEntities();
+
+        Assert.assertEquals(5, ents.length);
+
+        Assert.assertEquals(0, ents[0].getLevel());
+        Assert.assertEquals(0, ents[1].getLevel());
+        Assert.assertEquals(0, ents[2].getLevel());
+        Assert.assertEquals(0, ents[3].getLevel());
+        Assert.assertEquals(0, ents[4].getLevel());
+
+        Assert.assertEquals(0, ents[0].getLane());
+        Assert.assertEquals(1, ents[1].getLane());
+        Assert.assertEquals(3, ents[2].getLane());
+        Assert.assertEquals(4, ents[3].getLane());
+        Assert.assertEquals(2, ents[4].getLane());
+
+    }
+
+    @Test
+    public void testPlaceEntities3() throws Exception {
+
+        /*
+         * 0----1---2
+         *  |   |    
+         *  +---3---4
+         */
+        conns = new int[5][5];
+        conns[0][1] = 1;
+        conns[0][3] = 1;
+        conns[1][2] = 1;
+        conns[1][3] = 1;
+        conns[2][4] = 1;
+
+        lb = new LayoutBuilder(ents, conns, 4);
+        List<Integer> sorted = lb.sortEntities();
+        Assert.assertEquals(Arrays.asList(0, 1, 3, 2, 4), sorted);
+
+    }
+}