/**
* 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.camel.util.component;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import org.junit.Test;
import static org.apache.camel.util.component.ApiMethodArg.arg;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
public class ApiMethodHelperTest {
private static TestMethod[] sayHis = new TestMethod[] {TestMethod.SAYHI, TestMethod.SAYHI_1};
private static ApiMethodHelper<TestMethod> apiMethodHelper;
static {
final HashMap<String, String> aliases = new HashMap<String, String>();
aliases.put("say(.*)", "$1");
apiMethodHelper = new ApiMethodHelper<TestMethod>(TestMethod.class, aliases, Arrays.asList("names"));
}
@Test
public void testGetCandidateMethods() {
List<ApiMethod> methods = apiMethodHelper.getCandidateMethods("sayHi");
assertEquals("Can't find sayHi(*)", 2, methods.size());
methods = apiMethodHelper.getCandidateMethods("hi");
assertEquals("Can't find sayHi(name)", 2, methods.size());
methods = apiMethodHelper.getCandidateMethods("hi", Arrays.asList("name"));
assertEquals("Can't find sayHi(name)", 1, methods.size());
methods = apiMethodHelper.getCandidateMethods("greetMe");
assertEquals("Can't find greetMe(name)", 1, methods.size());
methods = apiMethodHelper.getCandidateMethods("greetUs", Arrays.asList("name1"));
assertEquals("Can't find greetUs(name1, name2)", 1, methods.size());
methods = apiMethodHelper.getCandidateMethods("greetAll", Arrays.asList("nameMap"));
assertEquals("Can't find greetAll(nameMap)", 1, methods.size());
methods = apiMethodHelper.getCandidateMethods("greetInnerChild", Arrays.asList("child"));
assertEquals("Can't find greetInnerChild(child)", 1, methods.size());
}
@Test
public void testFilterMethods() {
List<ApiMethod> methods = apiMethodHelper.filterMethods(Arrays.asList(sayHis), ApiMethodHelper.MatchType.EXACT);
assertEquals("Exact match failed for sayHi()", 1, methods.size());
assertEquals("Exact match failed for sayHi()", TestMethod.SAYHI, methods.get(0));
methods = apiMethodHelper.filterMethods(Arrays.asList(sayHis), ApiMethodHelper.MatchType.SUBSET);
assertEquals("Subset match failed for sayHi(*)", 2, methods.size());
methods = apiMethodHelper.filterMethods(Arrays.asList(sayHis), ApiMethodHelper.MatchType.SUBSET, Arrays.asList("name"));
assertEquals("Subset match failed for sayHi(name)", 1, methods.size());
assertEquals("Exact match failed for sayHi()", TestMethod.SAYHI_1, methods.get(0));
methods = apiMethodHelper.filterMethods(Arrays.asList(sayHis), ApiMethodHelper.MatchType.SUPER_SET, Arrays.asList("name"));
assertEquals("Super set match failed for sayHi(name)", 1, methods.size());
assertEquals("Exact match failed for sayHi()", TestMethod.SAYHI_1, methods.get(0));
methods = apiMethodHelper.filterMethods(Arrays.asList(TestMethod.values()), ApiMethodHelper.MatchType.SUPER_SET, Arrays.asList("name"));
assertEquals("Super set match failed for sayHi(name)", 2, methods.size());
// test nullable names
methods = apiMethodHelper.filterMethods(
Arrays.asList(TestMethod.GREETALL, TestMethod.GREETALL_1, TestMethod.GREETALL_2),
ApiMethodHelper.MatchType.SUPER_SET);
assertEquals("Super set match with null args failed for greetAll(names)", 1, methods.size());
}
@Test
public void testGetArguments() {
assertEquals("GetArguments failed for hi", 2, apiMethodHelper.getArguments("hi").size());
assertEquals("GetArguments failed for greetMe", 2, apiMethodHelper.getArguments("greetMe").size());
assertEquals("GetArguments failed for greetUs", 4, apiMethodHelper.getArguments("greetUs").size());
assertEquals("GetArguments failed for greetAll", 6, apiMethodHelper.getArguments("greetAll").size());
assertEquals("GetArguments failed for greetInnerChild", 2, apiMethodHelper.getArguments("greetInnerChild").size());
}
@Test
public void testGetMissingProperties() throws Exception {
assertEquals("Missing properties for hi", 1,
apiMethodHelper.getMissingProperties("hi", new HashSet<String>()).size());
final HashSet<String> argNames = new HashSet<String>();
argNames.add("name");
assertEquals("Missing properties for greetMe", 0,
apiMethodHelper.getMissingProperties("greetMe", argNames).size());
argNames.clear();
argNames.add("name1");
assertEquals("Missing properties for greetMe", 1,
apiMethodHelper.getMissingProperties("greetUs", argNames).size());
}
@Test
public void testAllArguments() throws Exception {
assertEquals("Get all arguments", 8, apiMethodHelper.allArguments().size());
}
@Test
public void testGetType() throws Exception {
assertEquals("Get type name", String.class, apiMethodHelper.getType("name"));
assertEquals("Get type name1", String.class, apiMethodHelper.getType("name1"));
assertEquals("Get type name2", String.class, apiMethodHelper.getType("name2"));
assertEquals("Get type nameMap", Map.class, apiMethodHelper.getType("nameMap"));
assertEquals("Get type child", TestProxy.InnerChild.class, apiMethodHelper.getType("child"));
}
@Test
public void testGetHighestPriorityMethod() throws Exception {
assertEquals("Get highest priority method",
TestMethod.SAYHI_1, ApiMethodHelper.getHighestPriorityMethod(Arrays.asList(sayHis)));
}
@Test
public void testInvokeMethod() throws Exception {
TestProxy proxy = new TestProxy();
assertEquals("sayHi()", "Hello!", ApiMethodHelper.invokeMethod(proxy, TestMethod.SAYHI, Collections.<String, Object>emptyMap()));
final HashMap<String, Object> properties = new HashMap<String, Object>();
properties.put("name", "Dave");
assertEquals("sayHi(name)", "Hello Dave", ApiMethodHelper.invokeMethod(proxy, TestMethod.SAYHI_1, properties));
assertEquals("greetMe(name)", "Greetings Dave", ApiMethodHelper.invokeMethod(proxy, TestMethod.GREETME, properties));
properties.clear();
properties.put("name1", "Dave");
properties.put("name2", "Frank");
assertEquals("greetUs(name1, name2)", "Greetings Dave, Frank", ApiMethodHelper.invokeMethod(proxy, TestMethod.GREETUS, properties));
properties.clear();
properties.put("names", new String[] {"Dave", "Frank"});
assertEquals("greetAll(names)", "Greetings Dave, Frank", ApiMethodHelper.invokeMethod(proxy, TestMethod.GREETALL, properties));
properties.clear();
Map<String, String> nameMap = new HashMap<String, String>();
nameMap.put("Dave", "Hello");
nameMap.put("Frank", "Goodbye");
properties.put("nameMap", nameMap);
final Map<String, String> result = (Map<String, String>) ApiMethodHelper.invokeMethod(proxy, TestMethod.GREETALL_2, properties);
assertNotNull("greetAll(nameMap)", result);
for (Map.Entry<String, String> entry : result.entrySet()) {
assertTrue("greetAll(nameMap)", entry.getValue().endsWith(entry.getKey()));
}
// test with a derived proxy
proxy = new TestProxy() {
@Override
public String sayHi(String name) {
return "Howdy " + name;
}
};
properties.clear();
properties.put("name", "Dave");
assertEquals("Derived sayHi(name)", "Howdy Dave", ApiMethodHelper.invokeMethod(proxy, TestMethod.SAYHI_1, properties));
}
enum TestMethod implements ApiMethod {
SAYHI(String.class, "sayHi"),
SAYHI_1(String.class, "sayHi", arg("name", String.class)),
GREETME(String.class, "greetMe", arg("name", String.class)),
GREETUS(String.class, "greetUs", arg("name1", String.class), arg("name2", String.class)),
GREETALL(String.class, "greetAll", arg("names", new String[0].getClass())),
GREETALL_1(String.class, "greetAll", arg("nameList", List.class)),
GREETALL_2(Map.class, "greetAll", arg("nameMap", Map.class)),
GREETTIMES(new String[0].getClass(), "greetTimes", arg("name", String.class), arg("times", int.class)),
GREETINNERCHILD(new String[0].getClass(), "greetInnerChild", arg("child", TestProxy.InnerChild.class));
private final ApiMethod apiMethod;
TestMethod(Class<?> resultType, String name, ApiMethodArg... args) {
this.apiMethod = new ApiMethodImpl(TestProxy.class, resultType, name, args);
}
@Override
public String getName() {
return apiMethod.getName();
}
@Override
public Class<?> getResultType() {
return apiMethod.getResultType();
}
@Override
public List<String> getArgNames() {
return apiMethod.getArgNames();
}
@Override
public List<Class<?>> getArgTypes() {
return apiMethod.getArgTypes();
}
@Override
public Method getMethod() {
return apiMethod.getMethod();
}
}
}