using Sbroenne.ExcelMcp.CLI.Infrastructure;
using Xunit;
namespace Sbroenne.ExcelMcp.CLI.Tests.Unit;
/// <summary>
/// Unit tests for ToolInstallationDetector.
/// Tests the logic for detecting global vs local .NET tool installation.
/// </summary>
[Trait("Layer", "CLI")]
[Trait("Category", "Unit")]
[Trait("Feature", "DaemonTray")]
[Trait("Speed", "Fast")]
public sealed class ToolInstallationDetectorTests
{
[Fact]
public void GetInstallationType_ReturnsValidType()
{
// Act
var installationType = ToolInstallationDetector.GetInstallationType();
// Assert - Should return one of the valid types
Assert.True(
installationType == InstallationType.Global ||
installationType == InstallationType.Local ||
installationType == InstallationType.Unknown,
$"Expected valid InstallationType, got: {installationType}");
}
[Fact]
public void GetUpdateCommand_ReturnsValidCommand()
{
// Act
var command = ToolInstallationDetector.GetUpdateCommand();
// Assert - Should be a valid dotnet tool update command
Assert.NotNull(command);
Assert.StartsWith("dotnet tool update", command);
Assert.Contains("Sbroenne.ExcelMcp.CLI", command);
}
[Fact]
public void GetUpdateCommand_GlobalInstall_IncludesGlobalFlag()
{
// Act
var installationType = ToolInstallationDetector.GetInstallationType();
var command = ToolInstallationDetector.GetUpdateCommand();
// Assert - If global, should include --global flag
if (installationType == InstallationType.Global)
{
Assert.Contains("--global", command);
}
}
[Fact]
public void GetUpdateCommand_LocalInstall_OmitsGlobalFlag()
{
// Act
var installationType = ToolInstallationDetector.GetInstallationType();
var command = ToolInstallationDetector.GetUpdateCommand();
// Assert - If local, should NOT include --global flag
if (installationType == InstallationType.Local)
{
Assert.DoesNotContain("--global", command);
}
}
[Fact]
public void GetUpdateCommand_UnknownInstall_DefaultsToGlobal()
{
// This tests the fallback behavior - unknown defaults to global
// We can't force Unknown state, but we verify the command is always valid
var command = ToolInstallationDetector.GetUpdateCommand();
// Assert - Command should always be executable
Assert.Matches(@"^dotnet tool update (--global )?Sbroenne\.ExcelMcp\.CLI$", command);
}
[Fact]
public async Task TryUpdateAsync_ReturnsResult()
{
// Act - This actually tries to run the update command
// We use a timeout to prevent long waits if network is slow
using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(30));
var (success, output) = await ToolInstallationDetector.TryUpdateAsync();
// Assert - Should return a result (success or failure with message)
Assert.NotNull(output);
// Note: success may be true or false depending on whether tool is installed
// and whether there's an update available
}
}
