FELIX-4391 initial support for refname.cardinality.minimum property
git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1560874 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/scr/src/test/java/org/apache/felix/scr/integration/MinimumCardinalityTest.java b/scr/src/test/java/org/apache/felix/scr/integration/MinimumCardinalityTest.java
new file mode 100644
index 0000000..576b85a
--- /dev/null
+++ b/scr/src/test/java/org/apache/felix/scr/integration/MinimumCardinalityTest.java
@@ -0,0 +1,142 @@
+/*
+ * 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.felix.scr.integration;
+
+import static org.junit.Assert.*;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Hashtable;
+import java.util.List;
+
+import junit.framework.TestCase;
+
+import org.apache.felix.scr.integration.components.SimpleComponent;
+import org.apache.felix.scr.integration.components.SimpleServiceImpl;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.ops4j.pax.exam.junit.JUnit4TestRunner;
+import org.osgi.service.cm.Configuration;
+import org.osgi.util.tracker.ServiceTracker;
+
+@RunWith(JUnit4TestRunner.class)
+public class MinimumCardinalityTest extends ComponentTestBase
+{
+
+ private static final String pid = "MinimumCardinality";
+
+ static
+ {
+ descriptorFile = "/integration_test_min_cardinality.xml";
+ // uncomment to enable debugging of this test class
+// paxRunnerVmOption = DEBUG_VM_OPTION;
+ COMPONENT_PACKAGE = COMPONENT_PACKAGE;
+ }
+
+ @Test
+ public void testMinCardinality() throws Exception
+ {
+ ServiceTracker<SimpleComponent, SimpleComponent> tracker = new ServiceTracker<SimpleComponent, SimpleComponent>(bundleContext, SimpleComponent.class, null);
+ tracker.open();
+ //configuration-policy require
+ assertNull(tracker.getService());
+ onePresent( tracker, null );
+ onePresent( tracker, -1 );
+ onePresent( tracker, 2 );
+ onePresent( tracker, "-1" );
+ onePresent( tracker, 'c' );
+ onePresent( tracker, "2" );
+ onePresent( tracker, new int[] {4, 0} );
+ onePresent( tracker, null );
+
+ configureOne(1);
+ required(tracker, 1);
+ onePresent( tracker, null );
+
+ getConfigurationAdmin().getConfiguration( pid, null ).delete();
+ delay();
+ assertNull(tracker.getService());
+ manyPresent( tracker, null );
+ manyPresent( tracker, -1 );
+ manyPresent( tracker, "-1" );
+ manyPresent( tracker, new int[] {-4, 0} );
+ manyPresent( tracker, null );
+
+ configureMany(1);
+ required(tracker, 1);
+ configureMany(5);
+ required(tracker, 5);
+ manyPresent( tracker, null );
+ }
+
+ private void required(ServiceTracker<SimpleComponent, SimpleComponent> tracker, int count)
+ {
+ delay();
+ List<SimpleServiceImpl> services = new ArrayList<SimpleServiceImpl>();
+ for (int i = 0; i < count; i++)
+ {
+ assertNull("Expected no tracked with " + i + " services present, count " + count, tracker.getService());
+ services.add(SimpleServiceImpl.create( bundleContext, String.valueOf( i ) ));
+ }
+ assertNotNull(tracker.getService());
+ for (SimpleServiceImpl service: services)
+ {
+ service.drop();
+ assertNull(tracker.getService());
+ }
+ }
+
+ private void onePresent(ServiceTracker<SimpleComponent, SimpleComponent> tracker, Object value) throws IOException
+ {
+ configureOne(value);
+ delay();
+ assertNotNull(tracker.getService());
+ assertEquals(1, tracker.getServices().length);
+ }
+
+ private void configureOne(Object value ) throws IOException
+ {
+ configureTarget( "one.cardinality.minimum", value );
+ }
+
+ private void manyPresent(ServiceTracker<SimpleComponent, SimpleComponent> tracker, Object value) throws IOException
+ {
+ configureMany(value);
+ delay();
+ assertNotNull(tracker.getService());
+ assertEquals(1, tracker.getServices().length);
+ }
+
+ private void configureMany(Object value ) throws IOException
+ {
+ configureTarget( "many.cardinality.minimum", value );
+ }
+
+ private void configureTarget(final String targetKey, Object value) throws IOException
+ {
+ Hashtable<String, Object> props = new Hashtable<String, Object>();
+ if ( value != null )
+ {
+ props.put( targetKey, value );
+ }
+ Configuration config = getConfigurationAdmin().getConfiguration( pid, null );
+ config.update(props);
+ }
+
+}
diff --git a/scr/src/test/resources/integration_test_min_cardinality.xml b/scr/src/test/resources/integration_test_min_cardinality.xml
new file mode 100644
index 0000000..6462fe1
--- /dev/null
+++ b/scr/src/test/resources/integration_test_min_cardinality.xml
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ 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.
+-->
+<components xmlns:scr="http://www.osgi.org/xmlns/scr/v1.1.0">
+
+ <scr:component name="MinimumCardinality"
+ configuration-policy="require"
+ modified="configure">
+ <implementation class="org.apache.felix.scr.integration.components.SimpleComponent" />
+ <service>
+ <provide interface="org.apache.felix.scr.integration.components.SimpleComponent" />
+ </service>
+ <property name="service.pid" value="DynamicConfigurationComponentWithRequiredReference" />
+ <reference
+ name="one"
+ interface="org.apache.felix.scr.integration.components.SimpleService"
+ cardinality="0..1"
+ policy="dynamic"
+ bind="setSimpleService"
+ unbind="unsetSimpleService"
+ />
+ <reference
+ name="many"
+ interface="org.apache.felix.scr.integration.components.SimpleService"
+ cardinality="0..n"
+ policy="dynamic"
+ bind="bindSimpleService"
+ unbind="unbindSimpleService"
+ />
+ </scr:component>
+
+</components>