FELIX-1030: add device access tests

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@765537 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/deviceaccess/src/test/java/org/apache/felix/das/DriverAttributesTest.java b/deviceaccess/src/test/java/org/apache/felix/das/DriverAttributesTest.java
new file mode 100644
index 0000000..56cef12
--- /dev/null
+++ b/deviceaccess/src/test/java/org/apache/felix/das/DriverAttributesTest.java
@@ -0,0 +1,174 @@
+/*
+ * 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.das;
+
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.Constants;
+import org.osgi.framework.ServiceReference;
+import org.osgi.service.device.Device;
+import org.osgi.service.device.Driver;
+
+/**
+ * 
+ * Some simple tests for the DriverAttributes class.
+ * 
+ * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
+ *
+ */
+public class DriverAttributesTest {
+
+	
+	private DriverAttributes m_attributes;
+	
+	@Mock
+	private ServiceReference m_ref;
+	
+	@Mock
+	private Driver m_driver;
+	
+	@Mock
+	private Bundle m_bundle;
+	
+	@Before
+	public void setUp() throws Exception {
+		
+		MockitoAnnotations.initMocks(this);
+		
+		Mockito.when(m_ref.getBundle()).thenReturn(m_bundle);
+		
+		Mockito.when(m_bundle.getLocation()).thenReturn("_DD_test-driverbundle");
+		
+		m_attributes = new DriverAttributes(m_ref, m_driver);
+	}
+
+
+	@Test
+	public void VerifyDriverReferenceReturned() throws Exception {
+		
+		Assert.assertEquals(m_ref, m_attributes.getReference());
+	}
+
+	@Test
+	public void VerifyDriverInUseByDevice() throws Exception {
+		
+		ServiceReference ref = Mockito.mock(ServiceReference.class);
+		
+		Mockito.when(ref.getProperty(Constants.OBJECTCLASS))
+			.thenReturn(new String[]{Object.class.getName()});
+		
+		Mockito.when(ref.getProperty(
+			org.osgi.service.device.Constants.DEVICE_CATEGORY))
+			.thenReturn(new String[]{"dummy"});
+		
+		Mockito.when(m_bundle.getServicesInUse()).thenReturn(new ServiceReference[]{ref});
+		
+		m_attributes.tryUninstall();
+		
+		Mockito.verify(m_bundle).getLocation();
+		Mockito.verify(m_bundle).getServicesInUse();
+		Mockito.verifyNoMoreInteractions(m_bundle);
+
+	}
+	
+	@Test
+	public void VerifyDriverInUseByDeviceInstance() throws Exception {
+		
+		ServiceReference ref = Mockito.mock(ServiceReference.class);
+		
+		Mockito.when(ref.getProperty(Constants.OBJECTCLASS)).thenReturn(new String[]{Device.class.getName()});
+		Mockito.when(ref.getProperty(
+				org.osgi.service.device.Constants.DEVICE_CATEGORY))
+				.thenReturn(new String[]{"dummy"});
+		
+		Mockito.when(m_bundle.getServicesInUse()).thenReturn(new ServiceReference[]{ref});
+		
+		m_attributes.tryUninstall();
+		
+		Mockito.verify(m_bundle).getLocation();
+		Mockito.verify(m_bundle).getServicesInUse();
+		Mockito.verifyNoMoreInteractions(m_bundle);
+
+	}
+	
+	
+	@Test
+	public void VerifyDriverInUseByNoDevice() throws Exception {
+		
+		ServiceReference ref = Mockito.mock(ServiceReference.class);
+		
+		Mockito.when(ref.getProperty(Constants.OBJECTCLASS)).thenReturn(new String[]{Object.class.getName()});
+		Mockito.when(m_bundle.getServicesInUse()).thenReturn(new ServiceReference[]{ref});
+		
+		m_attributes.tryUninstall();
+		
+		Mockito.verify(m_bundle).getLocation();
+		Mockito.verify(m_bundle).getServicesInUse();
+		Mockito.verify(m_bundle).uninstall();
+
+	}
+	@Test
+	public void VerifyDriverNotInUseLeadsToUnInstall1() throws Exception {
+		
+		Mockito.when(m_bundle.getServicesInUse()).thenReturn(new ServiceReference[0]);
+		
+		m_attributes.tryUninstall();
+		
+		Mockito.verify(m_bundle).uninstall();
+		
+
+	}
+	
+	@Test
+	public void VerifyDriverNotInUseLeadsToUnInstall2() throws Exception {
+		
+		m_attributes.tryUninstall();
+		
+		Mockito.verify(m_bundle).uninstall();
+		
+	}	
+	
+	@Test
+	public void VerifyAttachCalledOnDriver() throws Exception {
+		
+		
+		ServiceReference ref = Mockito.mock(ServiceReference.class);
+		m_attributes.attach(ref);
+		
+		Mockito.verify(m_driver).attach(Mockito.eq(ref));
+		
+	}
+
+	@Test
+	public void VerifyMatchCalledOnDriver() throws Exception {
+		
+		
+		ServiceReference ref = Mockito.mock(ServiceReference.class);
+		m_attributes.match(ref);
+		
+		Mockito.verify(m_driver).match(Mockito.eq(ref));
+		
+	}
+}