/*
* Copyright (c) 2002-2012 Alibaba Group Holding Limited.
* All rights reserved.
*
* 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.citrus.turbine.pipeline.valve;
import static com.alibaba.citrus.test.TestUtil.*;
import static org.junit.Assert.*;
import javax.servlet.http.HttpServletRequest;
import com.alibaba.citrus.service.pipeline.PipelineContext;
import com.alibaba.citrus.service.pipeline.PipelineException;
import com.alibaba.citrus.service.pipeline.Valve;
import com.alibaba.citrus.service.pipeline.impl.PipelineImpl;
import com.alibaba.citrus.turbine.Context;
import com.alibaba.citrus.turbine.TurbineRunData;
import com.alibaba.citrus.turbine.TurbineRunDataInternal;
import com.alibaba.citrus.turbine.util.TurbineUtil;
import com.alibaba.citrus.webx.util.WebxUtil;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
public class PrepareForTurbineValveTests extends AbstractValveTests {
@Test
public void errorContext() throws Exception {
pipeline = (PipelineImpl) factory.getBean("prepareForTurbine1");
getInvocationContext("http://localhost/app1/aaa/bbb/myModule.vm");
initRequestContext();
try {
pipeline.newInvocation().invoke();
fail();
} catch (PipelineException e) {
assertThat(e, exception(IllegalArgumentException.class));
}
assertNull(request.getAttribute("_webx3_turbine_rundata"));
Context savedContext = (Context) request.getAttribute("_webx3_turbine_rundata_context");
assertNotNull(savedContext); // 保留context
// 切换到root component，以模拟error处理的情形
WebxUtil.setCurrentComponent(request, component.getWebxComponents().getComponent(null));
pipeline = (PipelineImpl) factory.getBean("prepareForTurbine2");
pipeline.newInvocation().invoke();
assertNull(request.getAttribute("_webx3_turbine_rundata"));
assertNull(request.getAttribute("_webx3_turbine_rundata_context")); // 清除context
}
private static TurbineRunData saved;
public static class MyErrorValve implements Valve {
@Autowired
private HttpServletRequest request;
public void invoke(PipelineContext pipelineContext) throws Exception {
TurbineRunDataInternal rundata = (TurbineRunDataInternal) TurbineUtil.getTurbineRunData(request);
saved = rundata;
rundata.getContext().put("hello", "world");
throw new IllegalArgumentException();
}
}
public static class MyValve implements Valve {
@Autowired
private HttpServletRequest request;
public void invoke(PipelineContext pipelineContext) throws Exception {
TurbineRunDataInternal rundata = (TurbineRunDataInternal) TurbineUtil.getTurbineRunData(request);
assertNotNull(saved);
assertNotSame(saved, rundata);
saved = null;
// 第一个pipeline出错以后，第二个pipeline可以取得上个pipeline的context。
// 这样，用于错误处理的exception pipleine就可以获得应用的context状态。
assertEquals("world", rundata.getContext().get("hello"));
// root context中不包含pull service，因此不存在control tool。
assertNull(rundata.getContext().get("control"));
}
}
}