example test for properties override

compute/src/test/java/org/jclouds/compute/reference/ComputeServiceConstantsTest.java

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+/**
+ * Licensed to jclouds, Inc. (jclouds) under one or more
+ * contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  jclouds 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.jclouds.compute.reference;
+
+import static org.testng.Assert.assertEquals;
+
+import java.util.Properties;
+
+import org.jclouds.compute.ComputeServiceContextFactory;
+import org.jclouds.compute.reference.ComputeServiceConstants.InitStatusProperties;
+import org.testng.annotations.Test;
+
+import com.google.common.collect.ImmutableSet;
+import com.google.inject.Module;
+
+/**
+ * 
+ * @author Adrian Cole
+ */
+@Test(groups = "unit", testName = "ComputeServiceConstantsTest")
+public class ComputeServiceConstantsTest {
+   public void testDefaultInitStatusProperties() {
+      InitStatusProperties props = new ComputeServiceContextFactory().createContext("stub", "", "").utils().injector()
+            .getInstance(InitStatusProperties.class);
+      assertEquals(props.initStatusInitialPeriod, 500);
+      assertEquals(props.initStatusMaxPeriod, 5000);
+   }
+
+   public void testOverrideInitStatusProperties() {
+      Properties overrides = new Properties();
+      overrides.setProperty(ComputeServiceConstants.PROPERTY_INIT_STATUS_INITIAL_PERIOD, "501");
+      overrides.setProperty(ComputeServiceConstants.PROPERTY_INIT_STATUS_MAX_PERIOD, "5001");
+      
+      InitStatusProperties props = new ComputeServiceContextFactory()
+            .createContext("stub", "", "", ImmutableSet.<Module> of(), overrides).utils().injector()
+            .getInstance(InitStatusProperties.class);
+      
+      assertEquals(props.initStatusInitialPeriod, 501);
+      assertEquals(props.initStatusMaxPeriod, 5001);
+   }
+
+}