118 lines
2.4 KiB
C#
118 lines
2.4 KiB
C#
/*
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* Copyright (c) 2024 ETH Zürich, IT Services
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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using System.Threading;
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using System.Threading.Tasks;
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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namespace SafeExamBrowser.Client.UnitTests
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{
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[TestClass]
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public class CoordinatorTests
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{
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private Coordinator sut;
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[TestInitialize]
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public void Initialize()
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{
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sut = new Coordinator();
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}
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[TestMethod]
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public void ReconfigurationLock_MustWorkCorrectly()
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{
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Assert.IsFalse(sut.IsReconfigurationLocked());
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sut.RequestReconfigurationLock();
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var result = Parallel.For(1, 1000, (_) =>
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{
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Assert.IsTrue(sut.IsReconfigurationLocked());
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Assert.IsFalse(sut.RequestReconfigurationLock());
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});
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Assert.IsTrue(result.IsCompleted);
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result = Parallel.For(1, 1000, (_) =>
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{
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sut.ReleaseReconfigurationLock();
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});
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Assert.IsFalse(sut.IsReconfigurationLocked());
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Assert.IsTrue(result.IsCompleted);
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}
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[TestMethod]
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public void RequestReconfigurationLock_MustOnlyAllowLockingOnce()
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{
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var count = 0;
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Assert.IsFalse(sut.IsReconfigurationLocked());
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var result = Parallel.For(1, 1000, (_) =>
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{
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var acquired = sut.RequestReconfigurationLock();
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if (acquired)
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{
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Interlocked.Increment(ref count);
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}
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});
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Assert.AreEqual(1, count);
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Assert.IsTrue(sut.IsReconfigurationLocked());
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Assert.IsTrue(result.IsCompleted);
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}
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[TestMethod]
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public void RequestSessionLock_MustOnlyAllowLockingOnce()
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{
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var count = 0;
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Assert.IsFalse(sut.IsSessionLocked());
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var result = Parallel.For(1, 1000, (_) =>
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{
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var acquired = sut.RequestSessionLock();
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if (acquired)
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{
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Interlocked.Increment(ref count);
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}
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});
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Assert.AreEqual(1, count);
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Assert.IsTrue(sut.IsSessionLocked());
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Assert.IsTrue(result.IsCompleted);
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}
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[TestMethod]
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public void SessionLock_MustWorkCorrectly()
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{
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Assert.IsFalse(sut.IsSessionLocked());
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sut.RequestSessionLock();
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var result = Parallel.For(1, 1000, (_) =>
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{
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Assert.IsTrue(sut.IsSessionLocked());
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Assert.IsFalse(sut.RequestSessionLock());
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});
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Assert.IsTrue(result.IsCompleted);
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result = Parallel.For(1, 1000, (_) =>
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{
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sut.ReleaseSessionLock();
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});
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Assert.IsFalse(sut.IsSessionLocked());
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Assert.IsTrue(result.IsCompleted);
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}
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}
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}
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