Moved all unit tests into a separate directory
This commit is contained in:
Markus Ewald
cygon
parent
29c1e2a48d
commit
3081163258
11 changed files with 0 additions and 210 deletions
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@ -1,155 +0,0 @@
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#region Apache License 2.0
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/*
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Nuclex .NET Framework
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Copyright (C) 2002-2024 Markus Ewald / Nuclex Development Labs
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#endregion // Apache License 2.0
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#if UNITTEST
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using System;
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using NUnit.Framework;
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namespace Nuclex.Windows.Forms.ViewModels {
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/// <summary>Unit test for the dialog view model</summary>
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[TestFixture]
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public class DialogViewModelTest {
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#region class DialogViewModelSubscriber
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/// <summary>Subscriber for the events offered by a dialog view model</summary>
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private class DialogViewModelSubscriber {
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/// <summary>Indicates that the user has accepted the dialog</summary>
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public void Confirmed(object sender, EventArgs arguments) {
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++this.confirmCallCount;
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}
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/// <summary>Indicates that the user has cancelled the dialog</summary>
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public void Cancelled(object sender, EventArgs arguments) {
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++this.cancelCallCount;
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}
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/// <summary>Indicates that the dialog was simply closed</summary>
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public void Submitted(object sender, EventArgs arguments) {
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++this.submitCallCount;
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}
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/// <summary>How many times the Confirmed() method was called</summary>
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public int ConfirmCallCount {
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get { return this.confirmCallCount; }
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}
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/// <summary>How many times the Cancelled() method was called</summary>
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public int CancelCallCount {
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get { return this.cancelCallCount; }
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}
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/// <summary>How many times the Submitted() method was called</summary>
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public int SubmitCallCount {
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get { return this.submitCallCount; }
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}
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/// <summary>How many times the Confirmed() method was called</summary>
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private int confirmCallCount;
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/// <summary>How many times the Cancelled() method was called</summary>
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private int cancelCallCount;
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/// <summary>How many times the Submitted() method was called</summary>
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private int submitCallCount;
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}
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#endregion // class DialogViewModelSubscriber
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/// <summary>Verifies that the dialog view model has a default constructor</summary>
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[Test]
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public void HasDefaultConstructor() {
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Assert.DoesNotThrow(
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delegate() { new DialogViewModel(); }
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);
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}
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/// <summary>
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/// Verifies that calling Confirm() on the dialog view model triggers
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/// the 'Confirmed' event
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/// </summary>
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[Test]
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public void ConfirmTriggersConfirmedEvent() {
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var viewModel = new DialogViewModel();
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var subscriber = createSubscriber(viewModel);
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Assert.AreEqual(0, subscriber.ConfirmCallCount);
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Assert.AreEqual(0, subscriber.CancelCallCount);
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Assert.AreEqual(0, subscriber.SubmitCallCount);
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viewModel.Confirm();
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Assert.AreEqual(1, subscriber.ConfirmCallCount);
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Assert.AreEqual(0, subscriber.CancelCallCount);
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Assert.AreEqual(0, subscriber.SubmitCallCount);
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}
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/// <summary>
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/// Verifies that calling Cancel() on the dialog view model triggers
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/// the 'Cancelled' event
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/// </summary>
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[Test]
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public void CancelTriggersCancelledEvent() {
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var viewModel = new DialogViewModel();
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var subscriber = createSubscriber(viewModel);
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Assert.AreEqual(0, subscriber.ConfirmCallCount);
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Assert.AreEqual(0, subscriber.CancelCallCount);
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Assert.AreEqual(0, subscriber.SubmitCallCount);
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viewModel.Cancel();
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Assert.AreEqual(0, subscriber.ConfirmCallCount);
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Assert.AreEqual(1, subscriber.CancelCallCount);
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Assert.AreEqual(0, subscriber.SubmitCallCount);
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}
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/// <summary>
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/// Verifies that calling Submitm() on the dialog view model triggers
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/// the 'Submitted' event
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/// </summary>
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[Test]
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public void SubmitTriggersSubmittedEvent() {
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var viewModel = new DialogViewModel();
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var subscriber = createSubscriber(viewModel);
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Assert.AreEqual(0, subscriber.ConfirmCallCount);
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Assert.AreEqual(0, subscriber.CancelCallCount);
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Assert.AreEqual(0, subscriber.SubmitCallCount);
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viewModel.Submit();
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Assert.AreEqual(0, subscriber.ConfirmCallCount);
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Assert.AreEqual(0, subscriber.CancelCallCount);
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Assert.AreEqual(1, subscriber.SubmitCallCount);
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}
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/// <summary>Constructs a new subscriber for the dialog view model's events</summary>
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/// <param name="viewModel">View model a subscriber will be created for</param>
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/// <returns>A subscriber for the events of the specified view model</returns>
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private DialogViewModelSubscriber createSubscriber(DialogViewModel viewModel) {
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var subscriber = new DialogViewModelSubscriber();
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viewModel.Confirmed += subscriber.Confirmed;
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viewModel.Canceled += subscriber.Cancelled;
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viewModel.Submitted += subscriber.Submitted;
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return subscriber;
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}
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}
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} // namespace Nuclex.Windows.Forms.ViewModels
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#endif // UNITTEST
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@ -1,270 +0,0 @@
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#region Apache License 2.0
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/*
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Nuclex .NET Framework
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Copyright (C) 2002-2024 Markus Ewald / Nuclex Development Labs
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#endregion // Apache License 2.0
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#if UNITTEST
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using System;
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using System.ComponentModel;
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using System.Threading;
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using NUnit.Framework;
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namespace Nuclex.Windows.Forms.ViewModels {
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/// <summary>Unit test for the threaded action class</summary>
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[TestFixture]
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public class ThreadedActionTest {
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#region class DummyContext
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/// <summary>Synchronization context that does absolutely nothing</summary>
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private class DummyContext : ISynchronizeInvoke {
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#region class SimpleAsyncResult
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/// <summary>Barebones implementation of an asynchronous result</summary>
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private class SimpleAsyncResult : IAsyncResult {
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/// <summary>Ehether the asynchronous operation is complete</summary>
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/// <remarks>
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/// Always true because it completes synchronously
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/// </remarks>
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public bool IsCompleted { get { return true; } }
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/// <summary>
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/// Wait handle that can be used to wait for the asynchronous operation
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/// </summary>
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public WaitHandle AsyncWaitHandle {
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get { throw new NotImplementedException("Not implemented"); }
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}
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/// <summary>Custom state that can be used to pass information around</summary>
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public object AsyncState {
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get { throw new NotImplementedException("Not implemented"); }
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}
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/// <summary>Whether the asynchronous operation completed synchronously</summary>
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public bool CompletedSynchronously { get { return true; } }
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/// <summary>The value returned from the asynchronous operation</summary>
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public object ReturnedValue;
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}
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#endregion // class SimpleAsyncResult
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/// <summary>Whether the calling thread needs to use Invoke()</summary>
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public bool InvokeRequired {
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get { return true; }
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}
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/// <summary>Schedules the specified method for execution in the target thread</summary>
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/// <param name="method">Method the target thread will execute when it is idle</param>
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/// <param name="arguments">Arguments that will be passed to the method</param>
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/// <returns>
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/// An asynchronous result handle that can be used to check on the status of
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/// the call and wait for its completion
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/// </returns>
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public IAsyncResult BeginInvoke(Delegate method, object[] arguments) {
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var asyncResult = new SimpleAsyncResult();
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asyncResult.ReturnedValue = method.Method.Invoke(method.Target, arguments);
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return asyncResult;
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}
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/// <summary>Waits for the asychronous call to complete</summary>
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/// <param name="result">
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/// Asynchronous result handle returned by the <see cref="BeginInvoke" /> method
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/// </param>
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/// <returns>The original result returned by the asychronously called method</returns>
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public object EndInvoke(IAsyncResult result) {
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return ((SimpleAsyncResult)result).ReturnedValue;
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}
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/// <summary>
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/// Schedules the specified method for execution in the target thread and waits
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/// for it to complete
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/// </summary>
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/// <param name="method">Method that will be executed by the target thread</param>
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/// <param name="arguments">Arguments that will be passed to the method</param>
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/// <returns>The result returned by the specified method</returns>
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public object Invoke(Delegate method, object[] arguments) {
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return method.Method.Invoke(method.Target, arguments);
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}
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}
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#endregion // class DummyContext
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#region class DummyThreadedAction
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/// <summary>Implementation of a threaded action for the unit test</summary>
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private class DummyThreadedAction : ThreadedAction {
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/// <summary>
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/// Initializes a new threaded action, letting the base class figure out the UI thread
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/// </summary>
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public DummyThreadedAction() : base() {
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this.finishedGate = new ManualResetEvent(initialState: false);
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}
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/// <summary>
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/// Initializes a new view model using the specified UI context explicitly
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/// </summary>
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public DummyThreadedAction(ISynchronizeInvoke uiContext) : base(uiContext) {
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this.finishedGate = new ManualResetEvent(initialState: false);
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}
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/// <summary>Immediately releases all resources owned by the instance</summary>
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public override void Dispose() {
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base.Dispose();
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if(this.finishedGate != null) {
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this.finishedGate.Dispose();
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this.finishedGate = null;
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}
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}
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/// <summary>Waits until the first background operation is finished</summary>
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/// <returns>
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/// True if the background operation is finished, false if it is ongoing
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/// </returns>
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public bool WaitUntilFinished() {
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return this.finishedGate.WaitOne(100);
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}
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/// <summary>Selects the value that will be assigned when the action runs</summary>
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/// <param name="valueToAssign">Value the action will assigned when it runs</param>
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public void SetValueToAssign(int valueToAssign) {
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this.valueToAssign = valueToAssign;
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}
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/// <summary>Sets up an error the action will fail with when run</summary>
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/// <param name="errorToFailWith">Error the action will fail with</param>
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public void SetErrorToFailWith(Exception errorToFailWith) {
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this.errorToFailWith = errorToFailWith;
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}
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/// <summary>Last error that was reported by the threaded view model</summary>
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public Exception ReportedError {
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get { return this.reportedError; }
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}
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/// <summary>Value that has been assigned from the background thread</summary>
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public int AssignedValue {
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get { return this.assignedValue; }
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}
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/// <summary>Executes the threaded action from the background thread</summary>
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/// <param name="cancellationToken">Token by which execution can be canceled</param>
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protected override void Run(CancellationToken cancellationToken) {
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if(this.errorToFailWith != null) {
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throw this.errorToFailWith;
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}
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this.assignedValue = this.valueToAssign;
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this.finishedGate.Set();
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}
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/// <summary>Called when an error occurs in the background thread</summary>
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/// <param name="exception">Exception that was thrown in the background thread</param>
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protected override void ReportError(Exception exception) {
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this.reportedError = exception;
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this.finishedGate.Set();
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}
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/// <summary>Error the action will fail with, if set</summary>
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private Exception errorToFailWith;
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/// <summary>Value the action will assign to its same-named field</summary>
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private int valueToAssign;
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/// <summary>Last error that was reported by the threaded view model</summary>
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private volatile Exception reportedError;
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/// <summary>Triggered when the </summary>
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private ManualResetEvent finishedGate;
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/// <summary>Value that is assigned through the background thread</summary>
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private volatile int assignedValue;
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}
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#endregion // class DummyThreadedAction
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/// <summary>Verifies that the threaded action has a default constructor</summary>
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[Test, Explicit]
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public void HasDefaultConstructor() {
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using(var mainForm = new System.Windows.Forms.Form()) {
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mainForm.Show();
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try {
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mainForm.Visible = false;
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using(new DummyThreadedAction()) { }
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}
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finally {
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mainForm.Close();
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}
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}
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}
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/// <summary>
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/// Verifies that the threaded action can be constructed with a custom UI context
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/// </summary>
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[Test]
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public void HasCustomSychronizationContextConstructor() {
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using(new DummyThreadedAction(new DummyContext())) { }
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}
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/// <summary>Checks that a new threadd action starts out idle and not busy</summary>
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[Test]
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public void NewInstanceIsNotBusy() {
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using(var action = new DummyThreadedAction(new DummyContext())) {
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Assert.IsFalse(action.IsBusy);
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}
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}
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/// <summary>
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/// Verifies that errors happening in the background processing threads are
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/// reported to the main thread
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/// </summary>
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[Test]
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public void ErrorsInBackgroundThreadAreReported() {
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using(var action = new DummyThreadedAction(new DummyContext())) {
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var testError = new ArgumentException("Mooh");
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action.SetErrorToFailWith(testError);
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action.Start();
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action.WaitUntilFinished();
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Assert.AreSame(testError, action.ReportedError);
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}
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}
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/// <summary>
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/// Verifies that the background thread actually executes and can do work
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/// </summary>
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[Test]
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public void BackgroundThreadExecutesTasks() {
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using(var action = new DummyThreadedAction(new DummyContext())) {
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action.SetValueToAssign(42001);
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action.Start();
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action.WaitUntilFinished();
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Assert.AreEqual(42001, action.AssignedValue);
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}
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}
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}
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} // namespace Nuclex.Windows.Forms.ViewModels
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#endif // UNITTEST
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|
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@ -1,173 +0,0 @@
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#region Apache License 2.0
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/*
|
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Nuclex .NET Framework
|
||||
Copyright (C) 2002-2024 Markus Ewald / Nuclex Development Labs
|
||||
|
||||
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.
|
||||
*/
|
||||
#endregion // Apache License 2.0
|
||||
|
||||
#if UNITTEST
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|
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using System;
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|
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using NUnit.Framework;
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|
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namespace Nuclex.Windows.Forms.ViewModels {
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/// <summary>Unit test for the threaded dialog view model</summary>
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[TestFixture]
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public class ThreadedDialogViewModelTest {
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#region class DialogViewModelSubscriber
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/// <summary>Subscriber for the events offered by a dialog view model</summary>
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private class DialogViewModelSubscriber {
|
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|
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/// <summary>Indicates that the user has accepted the dialog</summary>
|
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public void Confirmed(object sender, EventArgs arguments) {
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++this.confirmCallCount;
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}
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|
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/// <summary>Indicates that the user has cancelled the dialog</summary>
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public void Cancelled(object sender, EventArgs arguments) {
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++this.cancelCallCount;
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}
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|
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/// <summary>Indicates that the dialog was simply closed</summary>
|
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public void Submitted(object sender, EventArgs arguments) {
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++this.submitCallCount;
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}
|
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|
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/// <summary>How many times the Confirmed() method was called</summary>
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public int ConfirmCallCount {
|
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get { return this.confirmCallCount; }
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}
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|
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/// <summary>How many times the Cancelled() method was called</summary>
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public int CancelCallCount {
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get { return this.cancelCallCount; }
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}
|
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|
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/// <summary>How many times the Submitted() method was called</summary>
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public int SubmitCallCount {
|
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get { return this.submitCallCount; }
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}
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|
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/// <summary>How many times the Confirmed() method was called</summary>
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private int confirmCallCount;
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/// <summary>How many times the Cancelled() method was called</summary>
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private int cancelCallCount;
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/// <summary>How many times the Submitted() method was called</summary>
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private int submitCallCount;
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}
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#endregion // class DialogViewModelSubscriber
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#region class TestViewModel
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private class TestViewModel : ThreadedDialogViewModel {
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public Exception ReportedError {
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get { return this.reportedError; }
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}
|
||||
|
||||
protected override void ReportError(Exception exception) {
|
||||
this.reportedError = exception;
|
||||
}
|
||||
|
||||
private Exception reportedError;
|
||||
|
||||
}
|
||||
|
||||
#endregion // class TestViewModel
|
||||
|
||||
/// <summary>Verifies that the dialog view model has a default constructor</summary>
|
||||
[Test]
|
||||
public void HasDefaultConstructor() {
|
||||
Assert.DoesNotThrow(
|
||||
delegate() { new TestViewModel(); }
|
||||
);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Verifies that calling Confirm() on the dialog view model triggers
|
||||
/// the 'Confirmed' event
|
||||
/// </summary>
|
||||
[Test]
|
||||
public void ConfirmTriggersConfirmedEvent() {
|
||||
var viewModel = new TestViewModel();
|
||||
var subscriber = createSubscriber(viewModel);
|
||||
|
||||
Assert.AreEqual(0, subscriber.ConfirmCallCount);
|
||||
Assert.AreEqual(0, subscriber.CancelCallCount);
|
||||
Assert.AreEqual(0, subscriber.SubmitCallCount);
|
||||
viewModel.Confirm();
|
||||
Assert.AreEqual(1, subscriber.ConfirmCallCount);
|
||||
Assert.AreEqual(0, subscriber.CancelCallCount);
|
||||
Assert.AreEqual(0, subscriber.SubmitCallCount);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Verifies that calling Cancel() on the dialog view model triggers
|
||||
/// the 'Cancelled' event
|
||||
/// </summary>
|
||||
[Test]
|
||||
public void CancelTriggersCancelledEvent() {
|
||||
var viewModel = new TestViewModel();
|
||||
var subscriber = createSubscriber(viewModel);
|
||||
|
||||
Assert.AreEqual(0, subscriber.ConfirmCallCount);
|
||||
Assert.AreEqual(0, subscriber.CancelCallCount);
|
||||
Assert.AreEqual(0, subscriber.SubmitCallCount);
|
||||
viewModel.Cancel();
|
||||
Assert.AreEqual(0, subscriber.ConfirmCallCount);
|
||||
Assert.AreEqual(1, subscriber.CancelCallCount);
|
||||
Assert.AreEqual(0, subscriber.SubmitCallCount);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Verifies that calling Submitm() on the dialog view model triggers
|
||||
/// the 'Submitted' event
|
||||
/// </summary>
|
||||
[Test]
|
||||
public void SubmitTriggersSubmittedEvent() {
|
||||
var viewModel = new TestViewModel();
|
||||
var subscriber = createSubscriber(viewModel);
|
||||
|
||||
Assert.AreEqual(0, subscriber.ConfirmCallCount);
|
||||
Assert.AreEqual(0, subscriber.CancelCallCount);
|
||||
Assert.AreEqual(0, subscriber.SubmitCallCount);
|
||||
viewModel.Submit();
|
||||
Assert.AreEqual(0, subscriber.ConfirmCallCount);
|
||||
Assert.AreEqual(0, subscriber.CancelCallCount);
|
||||
Assert.AreEqual(1, subscriber.SubmitCallCount);
|
||||
}
|
||||
|
||||
/// <summary>Constructs a new subscriber for the dialog view model's events</summary>
|
||||
/// <param name="viewModel">View model a subscriber will be created for</param>
|
||||
/// <returns>A subscriber for the events of the specified view model</returns>
|
||||
private DialogViewModelSubscriber createSubscriber(ThreadedDialogViewModel viewModel) {
|
||||
var subscriber = new DialogViewModelSubscriber();
|
||||
viewModel.Confirmed += subscriber.Confirmed;
|
||||
viewModel.Canceled += subscriber.Cancelled;
|
||||
viewModel.Submitted += subscriber.Submitted;
|
||||
return subscriber;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
} // namespace Nuclex.Windows.Forms.ViewModels
|
||||
|
||||
#endif // UNITTEST
|
||||
|
|
@ -1,261 +0,0 @@
|
|||
#region Apache License 2.0
|
||||
/*
|
||||
Nuclex .NET Framework
|
||||
Copyright (C) 2002-2024 Markus Ewald / Nuclex Development Labs
|
||||
|
||||
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.
|
||||
*/
|
||||
#endregion // Apache License 2.0
|
||||
|
||||
#if UNITTEST
|
||||
|
||||
using System;
|
||||
using System.ComponentModel;
|
||||
using System.Threading;
|
||||
using NUnit.Framework;
|
||||
|
||||
namespace Nuclex.Windows.Forms.ViewModels {
|
||||
|
||||
/// <summary>Unit test for the threaded view model base class</summary>
|
||||
[TestFixture]
|
||||
public class ThreadedViewModelTest {
|
||||
|
||||
#region class DummyContext
|
||||
|
||||
/// <summary>Synchronization context that does absolutely nothing</summary>
|
||||
private class DummyContext : ISynchronizeInvoke {
|
||||
|
||||
#region class SimpleAsyncResult
|
||||
|
||||
/// <summary>Barebones implementation of an asynchronous result</summary>
|
||||
private class SimpleAsyncResult : IAsyncResult {
|
||||
|
||||
/// <summary>Ehether the asynchronous operation is complete</summary>
|
||||
/// <remarks>
|
||||
/// Always true because it completes synchronously
|
||||
/// </remarks>
|
||||
public bool IsCompleted { get { return true; } }
|
||||
|
||||
/// <summary>
|
||||
/// Wait handle that can be used to wait for the asynchronous operation
|
||||
/// </summary>
|
||||
public WaitHandle AsyncWaitHandle {
|
||||
get { throw new NotImplementedException("Not implemented"); }
|
||||
}
|
||||
|
||||
/// <summary>Custom state that can be used to pass information around</summary>
|
||||
public object AsyncState {
|
||||
get { throw new NotImplementedException("Not implemented"); }
|
||||
}
|
||||
|
||||
/// <summary>Whether the asynchronous operation completed synchronously</summary>
|
||||
public bool CompletedSynchronously { get { return true; } }
|
||||
|
||||
/// <summary>The value returned from the asynchronous operation</summary>
|
||||
public object ReturnedValue;
|
||||
|
||||
}
|
||||
|
||||
#endregion // class SimpleAsyncResult
|
||||
|
||||
/// <summary>Whether the calling thread needs to use Invoke()</summary>
|
||||
public bool InvokeRequired {
|
||||
get { return true; }
|
||||
}
|
||||
|
||||
/// <summary>Schedules the specified method for execution in the target thread</summary>
|
||||
/// <param name="method">Method the target thread will execute when it is idle</param>
|
||||
/// <param name="arguments">Arguments that will be passed to the method</param>
|
||||
/// <returns>
|
||||
/// An asynchronous result handle that can be used to check on the status of
|
||||
/// the call and wait for its completion
|
||||
/// </returns>
|
||||
public IAsyncResult BeginInvoke(Delegate method, object[] arguments) {
|
||||
var asyncResult = new SimpleAsyncResult();
|
||||
asyncResult.ReturnedValue = method.Method.Invoke(method.Target, arguments);
|
||||
return asyncResult;
|
||||
}
|
||||
|
||||
/// <summary>Waits for the asychronous call to complete</summary>
|
||||
/// <param name="result">
|
||||
/// Asynchronous result handle returned by the <see cref="BeginInvoke" /> method
|
||||
/// </param>
|
||||
/// <returns>The original result returned by the asychronously called method</returns>
|
||||
public object EndInvoke(IAsyncResult result) {
|
||||
return ((SimpleAsyncResult)result).ReturnedValue;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Schedules the specified method for execution in the target thread and waits
|
||||
/// for it to complete
|
||||
/// </summary>
|
||||
/// <param name="method">Method that will be executed by the target thread</param>
|
||||
/// <param name="arguments">Arguments that will be passed to the method</param>
|
||||
/// <returns>The result returned by the specified method</returns>
|
||||
public object Invoke(Delegate method, object[] arguments) {
|
||||
return method.Method.Invoke(method.Target, arguments);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
#endregion // class DummyContext
|
||||
|
||||
#region class TestViewModel
|
||||
|
||||
/// <summary>View model used to unit test the threaded view model base class</summary>
|
||||
private class TestViewModel : ThreadedViewModel {
|
||||
|
||||
/// <summary>
|
||||
/// Initializes a new view model, letting the base class figure out the UI thread
|
||||
/// </summary>
|
||||
public TestViewModel() : base() {
|
||||
this.finishedGate = new ManualResetEvent(initialState: false);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Initializes a new view model, using the specified context for the UI thread
|
||||
/// </summary>
|
||||
/// <param name="uiContext">Synchronization context of the UI thread</param>
|
||||
public TestViewModel(ISynchronizeInvoke uiContext) : base(uiContext) {
|
||||
this.finishedGate = new ManualResetEvent(initialState: false);
|
||||
}
|
||||
|
||||
/// <summary>Immediately releases all resources owned by the instance</summary>
|
||||
public override void Dispose() {
|
||||
base.Dispose();
|
||||
|
||||
if(this.finishedGate != null) {
|
||||
this.finishedGate.Dispose();
|
||||
this.finishedGate = null;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>Waits until the first background operation is finished</summary>
|
||||
/// <returns>
|
||||
/// True if the background operation is finished, false if it is ongoing
|
||||
/// </returns>
|
||||
public bool WaitUntilFinished() {
|
||||
return this.finishedGate.WaitOne(100);
|
||||
}
|
||||
|
||||
/// <summary>Runs a background process that causes the specified error</summary>
|
||||
/// <param name="error">Error that will be caused in the background process</param>
|
||||
public void CauseErrorInBackgroundThread(Exception error) {
|
||||
RunInBackground(
|
||||
delegate() { throw error; }
|
||||
);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Assigns the specified value to the same-named property from a background thread
|
||||
/// </summary>
|
||||
/// <param name="value">Value that will be assigned to the same-named property</param>
|
||||
public void AssignValueInBackgroundThread(int value) {
|
||||
RunInBackground(
|
||||
delegate () {
|
||||
this.assignedValue = value;
|
||||
this.finishedGate.Set();
|
||||
}
|
||||
);
|
||||
}
|
||||
|
||||
/// <summary>Last error that was reported by the threaded view model</summary>
|
||||
public Exception ReportedError {
|
||||
get { return this.reportedError; }
|
||||
}
|
||||
|
||||
/// <summary>Value that has been assigned from the background thread</summary>
|
||||
public int AssignedValue {
|
||||
get { return this.assignedValue; }
|
||||
}
|
||||
|
||||
/// <summary>Called when an error occurs in the background thread</summary>
|
||||
/// <param name="exception">Exception that was thrown in the background thread</param>
|
||||
protected override void ReportError(Exception exception) {
|
||||
this.reportedError = exception;
|
||||
this.finishedGate.Set();
|
||||
}
|
||||
|
||||
/// <summary>Last error that was reported by the threaded view model</summary>
|
||||
private volatile Exception reportedError;
|
||||
/// <summary>Triggered when the </summary>
|
||||
private ManualResetEvent finishedGate;
|
||||
/// <summary>Value that is assigned through the background thread</summary>
|
||||
private volatile int assignedValue;
|
||||
|
||||
}
|
||||
|
||||
#endregion // class TestViewModel
|
||||
|
||||
/// <summary>Verifies that the threaded view model has a default constructor</summary>
|
||||
[Test, Explicit]
|
||||
public void HasDefaultConstructor() {
|
||||
using(var mainForm = new System.Windows.Forms.Form()) {
|
||||
mainForm.Show();
|
||||
try {
|
||||
mainForm.Visible = false;
|
||||
using(new TestViewModel()) { }
|
||||
}
|
||||
finally {
|
||||
mainForm.Close();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Verifies that the threaded view model can be constructed with a custom UI context
|
||||
/// </summary>
|
||||
[Test]
|
||||
public void HasCustomSychronizationContextConstructor() {
|
||||
using(new TestViewModel(new DummyContext())) { }
|
||||
}
|
||||
|
||||
/// <summary>Checks that a new view model starts out idle and not busy</summary>
|
||||
[Test]
|
||||
public void NewInstanceIsNotBusy() {
|
||||
using(var viewModel = new TestViewModel(new DummyContext())) {
|
||||
Assert.IsFalse(viewModel.IsBusy);
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Verifies that errors happening in the background processing threads are
|
||||
/// reported to the main thread
|
||||
/// </summary>
|
||||
[Test]
|
||||
public void ErrorsInBackgroundThreadAreReported() {
|
||||
using(var viewModel = new TestViewModel(new DummyContext())) {
|
||||
var testError = new ArgumentException("Mooh");
|
||||
viewModel.CauseErrorInBackgroundThread(testError);
|
||||
viewModel.WaitUntilFinished();
|
||||
Assert.AreSame(testError, viewModel.ReportedError);
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Verifies that the background thread actually executes and can do work
|
||||
/// </summary>
|
||||
[Test]
|
||||
public void BackgroundThreadExecutesTasks() {
|
||||
using(var viewModel = new TestViewModel(new DummyContext())) {
|
||||
viewModel.AssignValueInBackgroundThread(10042);
|
||||
viewModel.WaitUntilFinished();
|
||||
Assert.AreEqual(10042, viewModel.AssignedValue);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
} // namespace Nuclex.Windows.Forms.ViewModels
|
||||
|
||||
#endif // UNITTEST
|
||||
Loading…
Add table
Add a link
Reference in a new issue