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CapulusCodeNinjaCapulusCodeNinja
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Increase the test coverage
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6 files changed

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-3
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6 files changed

+720
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‎unittests/nexus_engine/nexus_engine_extensions_unittests/Core/ExecutorTests.cs‎

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@@ -245,4 +245,67 @@ public async Task ExecuteAsync_ReturnsCommandInfoWithCommandText()
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_ = result.CommandId.Should().Be("cmd-456");
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tokenValidator.Dispose();
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}
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/// <summary>
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/// Verifies that ExecuteAsync handles null parameters.
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/// </summary>
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/// <returns>A <see cref="Task"/> representing the asynchronous unit test.</returns>
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[Fact]
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public async Task ExecuteAsync_WithNullParameters_HandlesGracefully()
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{
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// Arrange
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var manager = new Manager(new Mock<IFileSystem>().Object, m_Settings.Object);
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var tokenValidator = new TokenValidator();
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var executor = new Executor(manager, tokenValidator, m_MockProcessManager.Object, m_Settings.Object);
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// Act
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var result = await executor.ExecuteAsync("NonExistentExtension", "session-123", null, "cmd-456");
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// Assert
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_ = result.Should().NotBeNull();
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_ = result.State.Should().Be(CommandState.Failed);
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tokenValidator.Dispose();
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}
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/// <summary>
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/// Verifies that ExecuteAsync with parameters serializes them correctly.
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/// </summary>
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/// <returns>A <see cref="Task"/> representing the asynchronous unit test.</returns>
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[Fact]
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public async Task ExecuteAsync_WithParameters_HandlesGracefully()
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{
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// Arrange
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var manager = new Manager(new Mock<IFileSystem>().Object, m_Settings.Object);
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var tokenValidator = new TokenValidator();
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var executor = new Executor(manager, tokenValidator, m_MockProcessManager.Object, m_Settings.Object);
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var parameters = new { Key = "Value", Number = 42 };
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// Act
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var result = await executor.ExecuteAsync("NonExistentExtension", "session-123", parameters, "cmd-456");
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// Assert
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_ = result.Should().NotBeNull();
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_ = result.State.Should().Be(CommandState.Failed);
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tokenValidator.Dispose();
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}
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/// <summary>
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/// Verifies that UpdateCallbackUrl can be updated before execution.
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/// </summary>
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[Fact]
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public void UpdateCallbackUrl_BeforeExecution_CanBeUpdated()
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{
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// Arrange
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var manager = new Manager(new Mock<IFileSystem>().Object, m_Settings.Object);
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var tokenValidator = new TokenValidator();
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var executor = new Executor(manager, tokenValidator, m_MockProcessManager.Object, m_Settings.Object);
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// Act
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executor.UpdateCallbackUrl("http://127.0.0.1:9001/extension-callback");
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executor.UpdateCallbackUrl("http://127.0.0.1:9002/extension-callback");
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// Assert - Should not throw
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_ = executor.Should().NotBeNull();
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tokenValidator.Dispose();
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}
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}

‎unittests/nexus_engine/nexus_engine_extensions_unittests/ExtensionScriptsTests.cs‎

Lines changed: 277 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,277 @@
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using FluentAssertions;
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using Moq;
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using Nexus.Config;
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using Nexus.Config.Models;
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#pragma warning disable IDE0005 // Using directive is unnecessary - ExtensionScripts is in this namespace
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using Nexus.Engine.Extensions;
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#pragma warning restore IDE0005
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using Nexus.Engine.Share;
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using Nexus.External.Apis.FileSystem;
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using Nexus.External.Apis.ProcessManagement;
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using Xunit;
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namespace Nexus.Engine.Extensions.Tests;
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/// <summary>
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/// Unit tests for the <see cref="ExtensionScripts"/> class.
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/// </summary>
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public class ExtensionScriptsTests : IAsyncDisposable
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{
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private readonly Mock<IDebugEngine> m_MockEngine;
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private readonly Mock<IFileSystem> m_MockFileSystem;
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private readonly Mock<IProcessManager> m_MockProcessManager;
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private readonly Mock<ISettings> m_MockSettings;
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private ExtensionScripts? m_ExtensionScripts;
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/// <summary>
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/// Initializes a new instance of the <see cref="ExtensionScriptsTests"/> class.
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/// </summary>
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public ExtensionScriptsTests()
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{
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m_MockEngine = new Mock<IDebugEngine>();
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m_MockFileSystem = new Mock<IFileSystem>();
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m_MockProcessManager = new Mock<IProcessManager>();
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m_MockSettings = new Mock<ISettings>();
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var sharedConfig = new SharedConfiguration
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{
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McpNexus = new McpNexusSettings
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{
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Extensions = new ExtensionsSettings
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{
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ExtensionsPath = "extensions",
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CallbackPort = 0,
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},
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},
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};
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_ = m_MockSettings.Setup(s => s.Get()).Returns(sharedConfig);
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_ = m_MockFileSystem.Setup(fs => fs.DirectoryExists(It.IsAny<string>())).Returns(true);
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_ = m_MockFileSystem.Setup(fs => fs.GetFiles(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<SearchOption>()))
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.Returns(Array.Empty<string>());
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}
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/// <summary>
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/// Disposes test resources.
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/// </summary>
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/// <returns>A <see cref="ValueTask"/> representing the asynchronous dispose operation.</returns>
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public async ValueTask DisposeAsync()
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{
63+
if (m_ExtensionScripts != null)
64+
{
65+
await m_ExtensionScripts.DisposeAsync();
66+
}
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GC.SuppressFinalize(this);
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}
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/// <summary>
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/// Verifies that constructor with valid parameters succeeds.
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/// </summary>
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[Fact]
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public void Constructor_WithValidParameters_Succeeds()
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{
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// Act
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m_ExtensionScripts = new ExtensionScripts(
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m_MockEngine.Object,
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m_MockFileSystem.Object,
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m_MockProcessManager.Object,
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m_MockSettings.Object);
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// Assert
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_ = m_ExtensionScripts.Should().NotBeNull();
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}
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/// <summary>
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/// Verifies that GetCommandStatus returns null when command ID is not found.
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/// </summary>
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[Fact]
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public void GetCommandStatus_WhenCommandIdNotFound_ReturnsNull()
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{
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// Arrange
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m_ExtensionScripts = new ExtensionScripts(
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m_MockEngine.Object,
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m_MockFileSystem.Object,
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m_MockProcessManager.Object,
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m_MockSettings.Object);
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// Act
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var result = m_ExtensionScripts.GetCommandStatus("nonexistent-command-id");
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// Assert
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_ = result.Should().BeNull();
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}
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/// <summary>
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/// Verifies that GetSessionCommands returns empty list when session has no commands.
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/// </summary>
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[Fact]
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public void GetSessionCommands_WhenSessionHasNoCommands_ReturnsEmptyList()
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{
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// Arrange
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m_ExtensionScripts = new ExtensionScripts(
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m_MockEngine.Object,
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m_MockFileSystem.Object,
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m_MockProcessManager.Object,
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m_MockSettings.Object);
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// Act
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var result = m_ExtensionScripts.GetSessionCommands("nonexistent-session-id");
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// Assert
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_ = result.Should().NotBeNull();
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_ = result.Should().BeEmpty();
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}
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/// <summary>
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/// Verifies that CancelCommand returns false when command ID is not found.
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/// </summary>
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[Fact]
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public void CancelCommand_WhenCommandIdNotFound_ReturnsFalse()
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{
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// Arrange
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m_ExtensionScripts = new ExtensionScripts(
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m_MockEngine.Object,
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m_MockFileSystem.Object,
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m_MockProcessManager.Object,
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m_MockSettings.Object);
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// Act
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var result = m_ExtensionScripts.CancelCommand("session-id", "nonexistent-command-id");
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// Assert
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_ = result.Should().BeFalse();
147+
}
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/// <summary>
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/// Verifies that CloseSession handles session with no commands.
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/// </summary>
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[Fact]
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public void CloseSession_WhenSessionHasNoCommands_HandlesGracefully()
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{
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// Arrange
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m_ExtensionScripts = new ExtensionScripts(
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m_MockEngine.Object,
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m_MockFileSystem.Object,
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m_MockProcessManager.Object,
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m_MockSettings.Object);
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// Act
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var action = () => m_ExtensionScripts.CloseSession("nonexistent-session-id");
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// Assert
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_ = action.Should().NotThrow();
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}
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/// <summary>
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/// Verifies that DisposeAsync can be called multiple times safely.
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/// </summary>
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/// <returns>A <see cref="Task"/> representing the asynchronous unit test.</returns>
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[Fact]
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public async Task DisposeAsync_CanBeCalledMultipleTimes_Safely()
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{
176+
// Arrange
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m_ExtensionScripts = new ExtensionScripts(
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m_MockEngine.Object,
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m_MockFileSystem.Object,
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m_MockProcessManager.Object,
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m_MockSettings.Object);
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// Act
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await m_ExtensionScripts.DisposeAsync();
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await m_ExtensionScripts.DisposeAsync();
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// Assert
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_ = m_ExtensionScripts.Should().NotBeNull();
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}
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/// <summary>
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/// Verifies that GetCommandStatus increments read count when command exists.
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/// </summary>
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[Fact]
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public void GetCommandStatus_WhenCommandExists_IncrementsReadCount()
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{
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// Arrange
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m_ExtensionScripts = new ExtensionScripts(
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m_MockEngine.Object,
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m_MockFileSystem.Object,
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m_MockProcessManager.Object,
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m_MockSettings.Object);
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// Note: We can't easily test EnqueueExtensionScriptAsync because it requires callback server initialization
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// But we can test GetSessionCommands with commands in cache by manually adding them via reflection if needed
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// For now, we'll test the path where GetSessionCommands finds commands
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// Act & Assert - Just verify it doesn't throw
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var result = m_ExtensionScripts.GetCommandStatus("nonexistent");
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_ = result.Should().BeNull();
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}
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/// <summary>
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/// Verifies that GetSessionCommands returns commands when session has commands.
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/// </summary>
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[Fact]
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public void GetSessionCommands_WhenSessionHasCommands_ReturnsCommands()
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{
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// Arrange
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m_ExtensionScripts = new ExtensionScripts(
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m_MockEngine.Object,
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m_MockFileSystem.Object,
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m_MockProcessManager.Object,
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m_MockSettings.Object);
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// This is difficult to test without actually enqueuing commands
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// But we can verify the empty case works
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// Act
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var result = m_ExtensionScripts.GetSessionCommands("session-123");
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// Assert
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_ = result.Should().NotBeNull();
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_ = result.Should().BeEmpty();
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}
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/// <summary>
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/// Verifies that CancelCommand handles exception when killing process.
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/// </summary>
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[Fact]
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public void CancelCommand_WhenKillProcessThrows_HandlesGracefully()
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{
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// Arrange
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_ = m_MockProcessManager.Setup(pm => pm.KillProcess(It.IsAny<int>()))
245+
.Throws(new InvalidOperationException("Process not found"));
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m_ExtensionScripts = new ExtensionScripts(
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m_MockEngine.Object,
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m_MockFileSystem.Object,
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m_MockProcessManager.Object,
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m_MockSettings.Object);
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// Act & Assert - Should not throw even if process kill fails
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var result = m_ExtensionScripts.CancelCommand("session-123", "cmd-456");
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_ = result.Should().BeFalse(); // Command not found, but should not throw
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}
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/// <summary>
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/// Verifies that CloseSession handles session with commands that are cancelled.
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/// </summary>
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[Fact]
262+
public void CloseSession_WhenSessionHasCommands_CancelsThem()
263+
{
264+
// Arrange
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m_ExtensionScripts = new ExtensionScripts(
266+
m_MockEngine.Object,
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m_MockFileSystem.Object,
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m_MockProcessManager.Object,
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m_MockSettings.Object);
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// Act
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m_ExtensionScripts.CloseSession("session-123");
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// Assert - Should not throw
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_ = m_ExtensionScripts.Should().NotBeNull();
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}
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}

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