/*
* 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.service.pipeline.valve;
import static com.alibaba.citrus.test.TestUtil.*;
import static org.easymock.EasyMock.*;
import static org.junit.Assert.*;
import com.alibaba.citrus.service.pipeline.Condition;
import com.alibaba.citrus.service.pipeline.Pipeline;
import com.alibaba.citrus.service.pipeline.TooManyLoopsException;
import com.alibaba.citrus.service.pipeline.impl.PipelineImpl;
import com.alibaba.citrus.service.pipeline.impl.condition.JexlCondition;
import com.alibaba.citrus.service.pipeline.impl.valve.WhileLoopValve;
import org.junit.Before;
import org.junit.Test;
public class WhileLoopValveTests extends AbstractLoopValveTests<WhileLoopValve> {
private Condition condition;
@Before
public void initCondition() {
condition = createMock(Condition.class);
}
@Test
public void setCondition() {
assertNull(valve.getCondition());
valve.setCondition(condition);
assertSame(condition, valve.getCondition());
}
@Test
@Override
public void init_() throws Exception {
super.init_(); // test no loop body
valve.setLoopBody(createPipeline());
try {
valve.afterPropertiesSet();
fail();
} catch (IllegalArgumentException e) {
assertThat(e, exception("no condition"));
}
}
@Test
public void toString_() {
String str = "";
str += "WhileLoopValve {\n";
str += " condition = <null>\n";
str += " loopBody = <null>\n";
str += "}";
// no body/conditon
assertEquals(str, valve.toString());
// with body/condition
Pipeline pipeline = createPipeline(new LogValve(), new LogValve(), new LogValve());
valve.setCondition(new JexlCondition("1==2"));
valve.setLoopBody(pipeline);
str = "";
str += "WhileLoopValve {\n";
str += " condition = JexlCondition[1==2]\n";
str += " loopBody = Pipeline [\n";
str += " [1/3] LogValve\n";
str += " [2/3] LogValve\n";
str += " [3/3] LogValve\n";
str += " ]\n";
str += "}";
assertEquals(str, valve.toString());
}
@Test
@Override
public void loop_exceedsMax() throws Exception {
valve.setCondition(new JexlCondition("1==1"));
super.loop_exceedsMax();
}
@Test
@Override
public void loop_withBreak() throws Exception {
valve.setCondition(new JexlCondition("1==1"));
super.loop_withBreak();
}
@Test
public void loop_conditionNotSatisfied() throws Exception {
PipelineImpl pipeline = createPipeline(new LogValve(), valve, new LogValve());
valve.setCondition(new JexlCondition("loopCount<=2"));
valve.setLoopBody(createPipeline(new LogValve(), new LogValve(), new LogValve()));
valve.afterPropertiesSet();
assertInvoke(pipeline, false);
assertLog("1-1", //
"2-1-loop-0", "2-2-loop-0", "2-3-loop-0", //
"2-1-loop-1", "2-2-loop-1", "2-3-loop-1", //
"2-1-loop-2", "2-2-loop-2", "2-3-loop-2", //
"1-3");
// set maxLoopCount = 1
valve.setMaxLoopCount(1);
try {
pipeline.newInvocation().invoke();
fail();
} catch (TooManyLoopsException e) {
assertThat(e, exception("Too many loops: exceeds the maximum count: 1"));
}
assertLog("1-1", //
"2-1-loop-0", "2-2-loop-0", "2-3-loop-0");
}
@Test
public void config() throws Exception {
// normal process
pipeline = getPipelineImplFromFactory("while-loop");
ExecutionLog.counterName = "count";
assertInvoke(pipeline, false);
assertLog("1-1", //
"2-1-loop-0", "2-2-loop-0", "2-3-loop-0", //
"2-1-loop-1", "2-2-loop-1", "2-3-loop-1", //
"2-1-loop-2", "2-2-loop-2", "2-3-loop-2", //
"1-3");
// break
pipeline = getPipelineImplFromFactory("while-loop-break-to-label");
ExecutionLog.counterName = "loopCount";
assertInvoke(pipeline, false);
assertLog("1-1", //
"2-1-loop-0" /* break-unless */, "2-3-loop-0", //
"2-1-loop-1" /* break-unless */, "2-3-loop-1", //
"2-1-loop-2" /* break-unless */, "2-3-loop-2", //
"2-1-loop-3" /* break-unless */, "2-3-loop-3", //
"2-1-loop-4", /* break *///
"1-3");
// loop with maxLoopCount=2
pipeline = getPipelineImplFromFactory("while-loop-max-loop-count");
try {
pipeline.newInvocation().invoke();
fail();
} catch (TooManyLoopsException e) {
assertThat(e, exception("Too many loops: exceeds the maximum count: 2"));
}
assertLog("1-1" /* 1-2 <loop/> */, //
"2-1-loop-0", "2-2-loop-0", "2-3-loop-0", //
"2-1-loop-1", "2-2-loop-1", "2-3-loop-1" //
);
// pipeline reference
pipeline = getPipelineImplFromFactory("while-ref");
assertInvoke(pipeline, false);
assertLog("1-1", //
"2-1-loop-0", "2-2-loop-0", //
"2-1-loop-1", "2-2-loop-1", //
"1-3");
}
}