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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;
+ }
+ }
+}