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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.
*
*/
using System.Collections.Generic;//.IList;
namespace Apache.Qpid.Integration.Tests.framework
{
/// <summary>
/// A Circuit is the basic test unit against which test cases are to be written. A circuit consists of two 'ends', an
/// instigating 'publisher' end and a more passive 'receivers' end.
///
/// <p/>Once created, the life-cycle of a circuit may be controlled by <see cref="#start()"/>ing it, or <see cref="#close()"/>ing it.
/// Once started, the circuit is ready to send messages over. Once closed the circuit can no longer be used.
///
/// <p/>The state of the circuit may be taken with the <see cref="#check()"/> method, and asserted against by the
/// <see cref="#applyAssertions(System.Collections.Generic.IList)"/> method.
///
/// <p/>There is a default test procedure which may be performed against the circuit. The outline of this procedure is:
///
/// <p/><pre>
/// Start the circuit.
/// Send test messages.
/// Request a status report.
/// Assert conditions on the publishing end of the circuit.
/// Assert conditions on the receiving end of the circuit.
/// Close the circuit.
/// Pass with no failed assertions or fail with a list of failed assertions.
/// </pre>
///
/// <p/><table id="crc"><caption>CRC Card</caption>
/// <tr><th> Responsibilities
/// <tr><td> Supply the publishing and receiving ends of a test messaging circuit.
/// <tr><td> Start the circuit running.
/// <tr><td> Close the circuit down.
/// <tr><td> Take a reading of the circuits state.
/// <tr><td> Apply assertions against the circuits state.
/// <tr><td> Send test messages over the circuit.
/// <tr><td> Perform the default test procedue on the circuit.
/// </table>
/// </summary>
public interface Circuit
{
/// <summary> Gets the interface on the publishing end of the circuit. </summary>
///
/// <return> The publishing end of the circuit. </return>
Publisher GetPublisher();
/// <summary> Gets the interface on the receiving end of the circuit. </summary>
///
/// <return> The receiving end of the circuit. </return>
Receiver GetReceiver();
/// <summary> Connects and starts the circuit. After this method is called the circuit is ready to send messages. </summary>
void Start();
/// <summary>
/// Checks the test circuit. The effect of this is to gather the circuits state, for both ends of the circuit,
/// into a report, against which assertions may be checked.
/// </summary>
void Check();
/// <summary> Closes the circuit. All associated resources are closed. </summary>
void Close();
/// <summary>
/// Applied a list of assertions against the test circuit. The <see cref="#check()"/> method should be called before doing
/// this, to ensure that the circuit has gathered its state into a report to assert against.
/// </summary>
///
/// <param name="assertions"> The list of assertions to apply to the circuit. </param>
///
/// <return> Any assertions that failed. </return>
IList<Assertion> ApplyAssertions(IList<Assertion> assertions);
/// <summary>
/// Runs the default test procedure against the circuit, and checks that all of the specified assertions hold.
/// </summary>
///
/// <param name="numMessages"> The number of messages to send using the default test procedure. </param>
/// <param name="assertions"> The list of assertions to apply. </param>
///
/// <return> Any assertions that failed. </return>
IList<Assertion> Test(int numMessages, IList<Assertion> assertions);
}
}
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