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/*
*
* 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.qpid.test.framework;
import org.apache.log4j.Logger;
import org.apache.qpid.junit.extensions.util.ParsedProperties;
/**
* NotApplicableAssertion is a messaging assertion that can be used when an assertion requested by a test-case is not
* applicable to the testing scenario. For example an assertion may relate to AMQP functionality, but a test case may be
* being run over a non-AMQP JMS implementation, in which case the request to create the assertion may return this
* instead of the proper assertion. The test framework is configurable to quietly drop these assertions, log them
* as warnings to the console, or raise them as test failures.
*
* <p/><table id="crc"><caption>CRC Card</caption>
* <tr><th> Responsibilities <th> Collaborations
* <tr><td> Quitely pass.
* <tr><td> Log a warning.
* <tr><td> Raise a test failure.
* </table>
*/
public class NotApplicableAssertion implements Assertion
{
/** Used for logging to the console. */
private static final Logger console = Logger.getLogger("CONSOLE." + NotApplicableAssertion.class.getName());
/** The possible behavioural modes of this assertion. */
private enum Mode
{
/** Quietly ignore the assertion by passing. */
Quiet,
/** Ignore the assertion by passing but log a warning about it. */
Warn,
/** Fail the assertion. */
Fail;
}
/** The behavioural mode of the assertion. */
private Mode mode;
/**
* Creates an assertion that is driven by the value of the 'notApplicableAssertion' property of the test
* configuration. Its value should match one of 'quiet', 'warn' or 'fail' and if it does not it is automatically
* read as 'fail'.
*
* @param testProperties The test configuration properties.
*/
public NotApplicableAssertion(ParsedProperties testProperties)
{
// Cast the test properties into a typed interface for convenience.
MessagingTestConfigProperties props = new MessagingTestConfigProperties(testProperties);
String modeName = props.getNotApplicableAssertionMode();
if ("quiet".equals(modeName))
{
mode = Mode.Quiet;
}
else if ("warn".equals(modeName))
{
mode = Mode.Warn;
}
else
{
mode = Mode.Fail;
}
}
/**
* Applies the assertion.
*
* @return <tt>true</tt> if the assertion passes, <tt>false</tt> if it fails.
*/
public boolean apply()
{
switch (mode)
{
case Quiet:
return true;
case Warn:
console.warn("Warning: Not applicable assertion being ignored.");
return true;
case Fail:
default:
return false;
}
}
}
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