/*
* Copyright 1999-2011 Alibaba Group.
*
* 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 com.alibaba.dubbo.common.extensionloader;
import com.alibaba.dubbo.common.URL;
import com.alibaba.dubbo.common.extension.ExtensionLoader;
import com.alibaba.dubbo.common.extensionloader.adaptive.HasAdaptiveExt;
import com.alibaba.dubbo.common.extensionloader.adaptive.impl.HasAdaptiveExt_ManualAdaptive;
import com.alibaba.dubbo.common.extensionloader.ext1.SimpleExt;
import com.alibaba.dubbo.common.extensionloader.ext2.Ext2;
import com.alibaba.dubbo.common.extensionloader.ext2.UrlHolder;
import com.alibaba.dubbo.common.extensionloader.ext3.UseProtocolKeyExt;
import com.alibaba.dubbo.common.extensionloader.ext4.NoUrlParamExt;
import com.alibaba.dubbo.common.extensionloader.ext5.NoAdaptiveMethodExt;
import com.alibaba.dubbo.common.extensionloader.ext6_inject.Ext6;
import com.alibaba.dubbo.common.extensionloader.ext6_inject.impl.Ext6Impl2;
import com.alibaba.dubbo.common.utils.LogUtil;
import junit.framework.Assert;
import org.junit.Test;
import java.util.*;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import static org.junit.matchers.JUnitMatchers.containsString;
/**
* @author ding.lid
*/
public class ExtensionLoader_Adaptive_Test {
@Test
public void test_useAdaptiveClass() throws Exception {
ExtensionLoader<HasAdaptiveExt> loader = ExtensionLoader.getExtensionLoader(HasAdaptiveExt.class);
HasAdaptiveExt ext = loader.getAdaptiveExtension();
assertTrue(ext instanceof HasAdaptiveExt_ManualAdaptive);
}
@Test
public void test_getAdaptiveExtension_defaultAdaptiveKey() throws Exception {
{
SimpleExt ext = ExtensionLoader.getExtensionLoader(SimpleExt.class).getAdaptiveExtension();
Map<String, String> map = new HashMap<String, String>();
URL url = new URL("p1", "1.2.3.4", 1010, "path1", map);
String echo = ext.echo(url, "haha");
assertEquals("Ext1Impl1-echo", echo);
}
{
SimpleExt ext = ExtensionLoader.getExtensionLoader(SimpleExt.class).getAdaptiveExtension();
Map<String, String> map = new HashMap<String, String>();
map.put("simple.ext", "impl2");
URL url = new URL("p1", "1.2.3.4", 1010, "path1", map);
String echo = ext.echo(url, "haha");
assertEquals("Ext1Impl2-echo", echo);
}
}
@Test
public void test_getAdaptiveExtension_customizeAdaptiveKey() throws Exception {
SimpleExt ext = ExtensionLoader.getExtensionLoader(SimpleExt.class).getAdaptiveExtension();
Map<String, String> map = new HashMap<String, String>();
map.put("key2", "impl2");
URL url = new URL("p1", "1.2.3.4", 1010, "path1", map);
String echo = ext.yell(url, "haha");
assertEquals("Ext1Impl2-yell", echo);
url = url.addParameter("key1", "impl3"); // 注意： URL是值类型
echo = ext.yell(url, "haha");
assertEquals("Ext1Impl3-yell", echo);
}
@Test
public void test_getAdaptiveExtension_protocolKey() throws Exception {
UseProtocolKeyExt ext = ExtensionLoader.getExtensionLoader(UseProtocolKeyExt.class).getAdaptiveExtension();
{
String echo = ext.echo(URL.valueOf("1.2.3.4:20880"), "s");
assertEquals("Ext3Impl1-echo", echo); // 缺省值
Map<String, String> map = new HashMap<String, String>();
URL url = new URL("impl3", "1.2.3.4", 1010, "path1", map);
echo = ext.echo(url, "s");
assertEquals("Ext3Impl3-echo", echo); // 使用第2Key， Protocol
url = url.addParameter("key1", "impl2");
echo = ext.echo(url, "s");
assertEquals("Ext3Impl2-echo", echo); // 使用第1Key， key1
}
{
Map<String, String> map = new HashMap<String, String>();
URL url = new URL(null, "1.2.3.4", 1010, "path1", map);
String yell = ext.yell(url, "s");
assertEquals("Ext3Impl1-yell", yell); // 缺省值
url = url.addParameter("key2", "impl2"); // 使用第2Key， key2
yell = ext.yell(url, "s");
assertEquals("Ext3Impl2-yell", yell);
url = url.setProtocol("impl3"); // 使用第1Key， Protocol
yell = ext.yell(url, "d");
assertEquals("Ext3Impl3-yell", yell);
}
}
@Test
public void test_getAdaptiveExtension_UrlNpe() throws Exception {
SimpleExt ext = ExtensionLoader.getExtensionLoader(SimpleExt.class).getAdaptiveExtension();
try {
ext.echo(null, "haha");
fail();
} catch (IllegalArgumentException e) {
assertEquals("url == null", e.getMessage());
}
}
@Test
public void test_getAdaptiveExtension_ExceptionWhenNoAdaptiveMethodOnInterface() throws Exception {
try {
ExtensionLoader.getExtensionLoader(NoAdaptiveMethodExt.class).getAdaptiveExtension();
fail();
} catch (IllegalStateException expected) {
assertThat(expected.getMessage(),
allOf(containsString("Can not create adaptive extenstion interface com.alibaba.dubbo.common.extensionloader.ext5.NoAdaptiveMethodExt"),
containsString("No adaptive method on extension com.alibaba.dubbo.common.extensionloader.ext5.NoAdaptiveMethodExt, refuse to create the adaptive class")));
}
// 多次get，都会报错且相同
try {
ExtensionLoader.getExtensionLoader(NoAdaptiveMethodExt.class).getAdaptiveExtension();
fail();
} catch (IllegalStateException expected) {
assertThat(expected.getMessage(),
allOf(containsString("Can not create adaptive extenstion interface com.alibaba.dubbo.common.extensionloader.ext5.NoAdaptiveMethodExt"),
containsString("No adaptive method on extension com.alibaba.dubbo.common.extensionloader.ext5.NoAdaptiveMethodExt, refuse to create the adaptive class")));
}
}
@Test
public void test_getAdaptiveExtension_ExceptionWhenNotAdaptiveMethod() throws Exception {
SimpleExt ext = ExtensionLoader.getExtensionLoader(SimpleExt.class).getAdaptiveExtension();
Map<String, String> map = new HashMap<String, String>();
URL url = new URL("p1", "1.2.3.4", 1010, "path1", map);
try {
ext.bang(url, 33);
fail();
} catch (UnsupportedOperationException expected) {
assertThat(expected.getMessage(), containsString("method "));
assertThat(
expected.getMessage(),
containsString("of interface com.alibaba.dubbo.common.extensionloader.ext1.SimpleExt is not adaptive method!"));
}
}
@Test
public void test_getAdaptiveExtension_ExceptionWhenNoUrlAttribute() throws Exception {
try {
ExtensionLoader.getExtensionLoader(NoUrlParamExt.class).getAdaptiveExtension();
fail();
} catch (Exception expected) {
assertThat(expected.getMessage(), containsString("fail to create adative class for interface "));
assertThat(expected.getMessage(), containsString(": not found url parameter or url attribute in parameters of method "));
}
}
@Test
public void test_urlHolder_getAdaptiveExtension() throws Exception {
Ext2 ext = ExtensionLoader.getExtensionLoader(Ext2.class).getAdaptiveExtension();
Map<String, String> map = new HashMap<String, String>();
map.put("ext2", "impl1");
URL url = new URL("p1", "1.2.3.4", 1010, "path1", map);
UrlHolder holder = new UrlHolder();
holder.setUrl(url);
String echo = ext.echo(holder, "haha");
assertEquals("Ext2Impl1-echo", echo);
}
@Test
public void test_urlHolder_getAdaptiveExtension_noExtension() throws Exception {
Ext2 ext = ExtensionLoader.getExtensionLoader(Ext2.class).getAdaptiveExtension();
URL url = new URL("p1", "1.2.3.4", 1010, "path1");
UrlHolder holder = new UrlHolder();
holder.setUrl(url);
try {
ext.echo(holder, "haha");
fail();
} catch (IllegalStateException expected) {
assertThat(expected.getMessage(), containsString("Fail to get extension("));
}
url = url.addParameter("ext2", "XXX");
holder.setUrl(url);
try {
ext.echo(holder, "haha");
fail();
} catch (IllegalStateException expected) {
assertThat(expected.getMessage(), containsString("No such extension"));
}
}
@Test
public void test_urlHolder_getAdaptiveExtension_UrlNpe() throws Exception {
Ext2 ext = ExtensionLoader.getExtensionLoader(Ext2.class).getAdaptiveExtension();
try {
ext.echo(null, "haha");
fail();
} catch (IllegalArgumentException e) {
assertEquals("com.alibaba.dubbo.common.extensionloader.ext2.UrlHolder argument == null", e.getMessage());
}
try {
ext.echo(new UrlHolder(), "haha");
fail();
} catch (IllegalArgumentException e) {
assertEquals("com.alibaba.dubbo.common.extensionloader.ext2.UrlHolder argument getUrl() == null", e.getMessage());
}
}
@Test
public void test_urlHolder_getAdaptiveExtension_ExceptionWhenNotAdativeMethod() throws Exception {
Ext2 ext = ExtensionLoader.getExtensionLoader(Ext2.class).getAdaptiveExtension();
Map<String, String> map = new HashMap<String, String>();
URL url = new URL("p1", "1.2.3.4", 1010, "path1", map);
try {
ext.bang(url, 33);
fail();
} catch (UnsupportedOperationException expected) {
assertThat(expected.getMessage(), containsString("method "));
assertThat(
expected.getMessage(),
containsString("of interface com.alibaba.dubbo.common.extensionloader.ext2.Ext2 is not adaptive method!"));
}
}
@Test
public void test_urlHolder_getAdaptiveExtension_ExceptionWhenNameNotProvided() throws Exception {
Ext2 ext = ExtensionLoader.getExtensionLoader(Ext2.class).getAdaptiveExtension();
URL url = new URL("p1", "1.2.3.4", 1010, "path1");
UrlHolder holder = new UrlHolder();
holder.setUrl(url);
try {
ext.echo(holder, "impl1");
fail();
} catch (IllegalStateException expected) {
assertThat(expected.getMessage(), containsString("Fail to get extension("));
}
url = url.addParameter("key1", "impl1");
holder.setUrl(url);
try {
ext.echo(holder, "haha");
fail();
} catch (IllegalStateException expected) {
assertThat(expected.getMessage(), containsString("Fail to get extension(com.alibaba.dubbo.common.extensionloader.ext2.Ext2) name from url"));
}
}
@Test
public void test_getAdaptiveExtension_inject() throws Exception {
LogUtil.start();
Ext6 ext = ExtensionLoader.getExtensionLoader(Ext6.class).getAdaptiveExtension();
URL url = new URL("p1", "1.2.3.4", 1010, "path1");
url = url.addParameters("ext6", "impl1");
assertEquals("Ext6Impl1-echo-Ext1Impl1-echo", ext.echo(url, "ha"));
Assert.assertTrue("can not find error.", LogUtil.checkNoError());
LogUtil.stop();
url = url.addParameters("simple.ext", "impl2");
assertEquals("Ext6Impl1-echo-Ext1Impl2-echo", ext.echo(url, "ha"));
}
@Test
public void test_getAdaptiveExtension_InjectNotExtFail() throws Exception {
Ext6 ext = ExtensionLoader.getExtensionLoader(Ext6.class).getExtension("impl2");
Ext6Impl2 impl = (Ext6Impl2) ext;
assertNull(impl.getList());
}
}