/*
* Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors.
*
* Licensed 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.switchyard.component.camel.model;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.lang.reflect.Modifier;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import org.switchyard.common.type.Classes;
import org.switchyard.component.camel.model.CamelComponentImplementationModel;
import org.switchyard.component.camel.model.RouteScanner;
import org.switchyard.component.camel.scanner.SingleRouteService;
import org.switchyard.config.model.ScannerInput;
import org.switchyard.config.model.composite.ComponentImplementationModel;
import org.switchyard.config.model.composite.ComponentModel;
import org.switchyard.config.model.switchyard.SwitchYardModel;
/**
* Test scanner looking for @Route methods and generating appropriate config.
*
* NOTE: I lifted a fair bit of this code from the Bean scanner test - it would
* probably be a good idea to create a base Scanner test class so that additional
* scanner implementations can reuse the same code.
*/
public class RouteScannerTest {
private SwitchYardModel _scannedModel;
private RouteScanner _scanner;
private List<URL> _scannedURLs;
@Before
public void setUp() throws Exception {
_scanner = new RouteScanner();
_scannedURLs = new ArrayList<URL>();
_scannedURLs.add(new File("./target/test-classes").toURI().toURL());
}
@Test
public void componentImplementationCreated() throws Exception {
scan(new URL(new File("./target/test-classes").toURI().toURL(), "#org/switchyard/component/camel/scanner"));
List<ComponentModel> components = _scannedModel.getComposite().getComponents();
for(ComponentModel component : components) {
System.out.println("RouteScanner found component: " + component.getName());
// Verify component details
assertEquals(SingleRouteService.class.getSimpleName(), component.getName());
assertTrue(component.getServices().size() == 1);
ComponentImplementationModel implementation = component.getImplementation();
assertTrue(implementation instanceof CamelComponentImplementationModel);
checkCamelImplementation((CamelComponentImplementationModel)implementation);
}
}
// verify an empty model is created
@Test
public void testEmptyScan() throws Exception {
scan();
assertNull("Composite element should not be created if no components were found.",
_scannedModel.getComposite());
}
private void checkCamelImplementation(CamelComponentImplementationModel model) throws Exception {
// Load the class
Class<?> routeClass = Classes.forName(model.getJavaClass(), getClass());
// make sure the class itself is valid
assertFalse(routeClass.isInterface());
assertFalse(Modifier.isAbstract(routeClass.getModifiers()));
}
// Takes a list of URLs to scan *instead* of what's defined in @Before.
private void scan(URL ... urls) throws Exception {
_scannedURLs.clear();
if (urls != null && urls.length > 0) {
_scannedURLs.addAll(Arrays.asList(urls));
}
ScannerInput<SwitchYardModel> input = new ScannerInput<SwitchYardModel>().setURLs(_scannedURLs);
_scannedModel = _scanner.scan(input).getModel();
}
}