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Execute @Test n number of times incontainer 'injecting' a new value into the test instance pr @Test iteration
rule - before 1028055937
rule - after 1028055937
19:31:48,196 INFO [stdout] (RMI TCP Connection(3)-127.0.0.1) rule - before 358139180
19:31:48,206 INFO [stdout] (RMI TCP Connection(3)-127.0.0.1) before
19:31:48,209 INFO [stdout] (RMI TCP Connection(3)-127.0.0.1) Test -> a
19:31:48,210 INFO [stdout] (RMI TCP Connection(3)-127.0.0.1) after
19:31:48,213 INFO [stdout] (RMI TCP Connection(3)-127.0.0.1) before
19:31:48,215 INFO [stdout] (RMI TCP Connection(3)-127.0.0.1) Test -> b
19:31:48,216 INFO [stdout] (RMI TCP Connection(3)-127.0.0.1) after
19:31:48,218 INFO [stdout] (RMI TCP Connection(3)-127.0.0.1) before
19:31:48,220 INFO [stdout] (RMI TCP Connection(3)-127.0.0.1) Test -> c
19:31:48,221 INFO [stdout] (RMI TCP Connection(3)-127.0.0.1) after
19:31:48,221 INFO [stdout] (RMI TCP Connection(3)-127.0.0.1) rule - after 358139180
/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual 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 com.acme.parameters;
import java.lang.reflect.Field;
import org.junit.rules.MethodRule;
import org.junit.runners.model.FrameworkMethod;
import org.junit.runners.model.Statement;
public class ParameterRule implements MethodRule
{
private final Object[] params;
private final String fieldName;
public ParameterRule(String fieldName, Object[]... params)
{
if(fieldName == null)
{
throw new IllegalArgumentException("fieldName must be specified");
}
if(params == null || params.length == 0)
{
throw new IllegalArgumentException("params must be specified and have more then zero length");
}
this.fieldName = fieldName;
this.params = params;
}
public ParameterRule(String fieldName, Object... params)
{
if(fieldName == null)
{
throw new IllegalArgumentException("fieldName must be specified");
}
if(params == null || params.length == 0)
{
throw new IllegalArgumentException("params must be specified and have more then zero length");
}
this.fieldName = fieldName;
this.params = params;
}
@Override
public Statement apply(final Statement base, final FrameworkMethod method, final Object target)
{
return new Statement() {
@Override
public void evaluate() throws Throwable
{
System.out.println("rule - before " + target.hashCode());
if(isInContainer())
{
for(int i = 0; i < params.length; i++)
{
Object param = params[i];
Field targetField = target.getClass().getDeclaredField(fieldName);
if(!targetField.isAccessible())
{
targetField.setAccessible(true);
}
targetField.set(target, param);
base.evaluate();
}
}
else
{
base.evaluate();
}
System.out.println("rule - after " + target.hashCode());
}
};
}
private boolean isInContainer() {
Exception e = new Exception();
e.fillInStackTrace();
return e.getStackTrace()[e.getStackTrace().length-1].getClassName().equals("java.lang.Thread");
}
}
/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual 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 com.acme.parameters;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* ParametersTestCase
*
* @author <a href="mailto:aslak@redhat.com">Aslak Knutsen</a>
* @version $Revision: $
*/
@RunWith(Arquillian.class)
public class ParametersTestCase
{
@Deployment
public static WebArchive deploy() {
return ShrinkWrap.create(WebArchive.class)
.addClasses(AccountService.class, ParameterRule.class);
}
@Rule
public ParameterRule rule = new ParameterRule("dynamic", "a", "b", "c");
private String dynamic;
@Before
public void before() {
System.out.println("before");
}
@After
public void after() {
System.out.println("after");
}
@Test
public void shouldBeAbleToRun() throws Exception
{
System.out.println("Test -> " + dynamic);
}
}

I added 2 @rule ParameterRule in my test class, ParameterRule A has 10 set of test data, ParameterRule B has 3 set of test data.

The actual result is: each test case in my test class will run 30 times.

My expected result is: I only want test case A to run 10 times, using ParameterRule A; and test case B to run 3 times, using ParameterRule B.

Do you know how to acheive my expected result? Thanks!

urbandroid commented Jul 16, 2017 edited

for this piece of code it does not work as expected.

` @rule@
public ParameterRule rule = new ParameterRule("spec", new ImplementationOne(), new ImplementationTwo());

private Spec spec;

@Test
public void returnBoolean() throws Exception {
    System.out.println(spec);
}

`

it returns null for spec.

@defunkt
markdown interpreter is broke @rule is not a person but an annotation. there is no escaping this.

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