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/*
* 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.vtest.javaapi.annotations.reference;
import static org.junit.Assert.fail;
import junit.framework.Assert;
import org.apache.tuscany.sca.vtest.utilities.ServiceFinder;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Test;
/**
* This test class tests the "@Reference" annotation described in section 1.8.14
*/
public class ReferenceAnnotationTestCase {
protected static String compositeName = "ab.composite";
protected static AService a;
@BeforeClass
public static void init() throws Exception {
try {
System.out.println("Setting up");
ServiceFinder.init(compositeName);
a = ServiceFinder.getService(AService.class, "AComponent");
} catch (Exception ex) {
ex.printStackTrace();
}
}
@AfterClass
public static void destroy() throws Exception {
System.out.println("Cleaning up");
ServiceFinder.cleanup();
}
/**
* Temporary test unrelated to spec test effort. Remove after resolution of
*/
@Test
@Ignore
// JIRA T-2145
public void bogusComponentName() throws Exception {
ServiceFinder.init(compositeName);
try {
AService a = ServiceFinder.getService(AService.class, "AReallyBogusComponentName");
if (a == null)
fail("Should have thrown an exception rather than return null");
else
fail("Should have thrown an exception rather than return a proxy");
} finally {
ServiceFinder.cleanup();
}
}
/**
* Lines 1404, 1405, 1406 <br>
* The "@Reference" annotation type is used to annotate a Java class field
* or a setter method that is used to inject a service that resolves the
* reference. The interface of the service injected is defined by the type
* of the Java class field or the type of the setter method input argument.
* <p>
* This tests the use of the three usages of the "@Reference" annotation<br>
* B1 is injected via field injection <br>
* B2 is injected via constructor parameter <br>
* B3 is injected via setter method
*/
@Test
public void atReference1() throws Exception {
Assert.assertEquals("BService", a.getB1Name());
Assert.assertEquals("BService", a.getB2Name());
Assert.assertEquals("BService", a.getB3Name());
}
/**
* Lines 1407, 1408, 1409, 1410 <br>
* References may also be injected via public setter methods even when the
* "@Reference" annotation is not present. However, the "@Reference"
* annotation must be used in order to inject a reference onto a non public
* field. In the case where there is no "@Reference" annotation, the name of
* the reference is the same as the name of the field or setter.
* <p>
* B4 is injected via field injection. Public, Non-annotated <br>
* B5 is expected to fail field injection. Non-Public, Non-Annotated <br>
* B6 is injected via setter injection. Public, Non-Annotated
*/
@Test
public void atReference2() throws Exception {
AService anotherA = ServiceFinder.getService(AService.class, "AUnannotatedComponent");
Assert.assertFalse(anotherA.isB4Null());
Assert.assertTrue(anotherA.isB5Null());
Assert.assertFalse(anotherA.isB6Null());
Assert.assertEquals("BService", anotherA.getB4Name());
try {
anotherA.getB5Name();
fail("getB5Name expected to fail with NPE");
} catch (NullPointerException e) {
}
Assert.assertEquals("BService", anotherA.getB6Name());
}
/**
* Lines 1411 <br>
* Where there is both a setter method and a field for a reference, the
* setter method is used.
* <p>
* B7 has both field and setter annotated. The setter must be called
*/
@Test
public void atReference3() throws Exception {
Assert.assertTrue(a.isB7SetterCalled());
}
/**
* Lines 1413, 1414, 1415 <br>
* The "@Reference" annotation has the following attributes: <br> � name
* (optional) � the name of the reference, defaults to the name of the field
* of the Java class <br>
* required (optional) � whether injection of service or services is
* required. Defaults to true.
* <p>
* Reference and field have different names<br>
* B8 is field injected<br>
* B9 is setter injected
*/
@Test
public void atReference4() throws Exception {
Assert.assertEquals("BService", a.getB8Name());
Assert.assertEquals("BService", a.getB9Name());
}
/**
* Lines 1457 to 1459<br>
* If the reference is not an array or collection, then the implied
* component type has a reference with a multiplicity of either 0..1 or 1..1
* depending on the value of the
*
* @Reference required attribute � 1..1 applies if required=true.<br>
* <p>
* B10 is field injected, required=false, and multiplicity="0..1"<br>
* B11 is field injected, required=false, and multiplicity="1..1"<br>
* B12 is setter injected, required=true, and multiplicity="1..1"
*/
@Test
public void atReference5() throws Exception {
Assert.assertEquals("BService", a.getB10Name());
Assert.assertEquals("BService", a.getB11Name());
Assert.assertEquals("BService", a.getB12Name());
}
/**
* Lines 1461 to 1463<br>
* If the reference is defined as an array or as a java.util.Collection,
* then the implied component type has a reference with a multiplicity of
* either 1..n or 0..n, depending on whether the required attribute of the
* "@Reference" annotation is set to true or false � 1..n applies if
* required=true.<br>
* <p>
* B13 is a java.util.List, field injected, required=false,
* multiplicity="0..n", and no target<br>
* B14 is a java.util.List, setter injected, required=true,
* multiplicity="1..n", and one target<br>
* B15 is an array, field injected, required=true, multiplicity="1..n", and
* two targets
*/
@Test
public void atReference6() throws Exception {
Assert.assertEquals(0, a.getB13Size());
Assert.assertEquals("BService", a.getB14Name(0));
Assert.assertEquals(1, a.getB14Size());
Assert.assertEquals("BService", a.getB15Name(0));
Assert.assertEquals("BService", a.getB15Name(1));
Assert.assertEquals(2, a.getB15Size());
}
/**
* Lines 1415 <br>
* required (optional) - whether injection of service or services is
* required. Defaults to true.
* <p>
* b16 and b17 is defined as "@Reference(required=false)" and AComponent
* does not define reference for them
*/
@Test
public void atReference7() throws Exception {
Assert.assertTrue(a.isB16Null());
Assert.assertTrue(a.isB17Null());
}
/**
* Java Component Implementation Spec
* Section 1.2.7
* Line 361 when @Property and @Reference annotations are present
* then unannotated fields are ignored
*/
@Test
public void atReference8() throws Exception {
Assert.assertTrue(a.isB4Null());
Assert.assertTrue(a.isB5Null());
Assert.assertTrue(a.isB6Null());
}
}
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