using Xunit;
namespace Sbroenne.ExcelMcp.McpServer.Tests.Unit;
[Trait("Layer", "McpServer")]
[Trait("Category", "Unit")]
[Trait("Feature", "VersionCheck")]
[Trait("Speed", "Fast")]
public sealed class McpServerVersionCheckerTests
{
[Fact]
public async Task CheckForUpdateAsync_WhenUpdateAvailable_ReturnsUpdateInfo()
{
// This test depends on NuGetVersionChecker actually checking NuGet
// In a real scenario, we might want to mock this, but for now we'll test
// that the method doesn't throw and returns a reasonable result
var updateInfo = await Infrastructure.McpServerVersionChecker.CheckForUpdateAsync();
// The result can be null (if no update or network error) or an UpdateInfo object
// We just verify it doesn't throw and the result is valid
if (updateInfo != null)
{
Assert.NotNull(updateInfo.CurrentVersion);
Assert.NotNull(updateInfo.LatestVersion);
Assert.True(updateInfo.UpdateAvailable);
}
}
[Fact]
public async Task CheckForUpdateAsync_NetworkFailure_ReturnsNull()
{
// With a very short cancellation token, we should get a timeout/cancellation
using var cts = new CancellationTokenSource(TimeSpan.FromMilliseconds(1));
var updateInfo = await Infrastructure.McpServerVersionChecker.CheckForUpdateAsync(cts.Token);
// Should return null on timeout/cancellation (fails silently)
Assert.Null(updateInfo);
}
[Fact]
public void GetCurrentVersion_ReturnsNonEmptyString()
{
var version = Infrastructure.McpServerVersionChecker.GetCurrentVersion();
Assert.NotNull(version);
Assert.NotEmpty(version);
Assert.NotEqual("0.0.0", version); // Should have a real version from assembly
}
[Fact]
public void UpdateInfo_GetUpdateMessage_IncludesVersions()
{
var updateInfo = new Infrastructure.UpdateInfo
{
CurrentVersion = "1.0.0",
LatestVersion = "1.1.0",
UpdateAvailable = true
};
var message = updateInfo.GetUpdateMessage();
Assert.Contains("1.0.0", message);
Assert.Contains("1.1.0", message);
Assert.Contains("dotnet tool update", message);
}
[Fact]
public void UpdateInfo_GetUpdateMessage_ContainsUpdateInstructions()
{
var updateInfo = new Infrastructure.UpdateInfo
{
CurrentVersion = "1.0.0",
LatestVersion = "1.1.0",
UpdateAvailable = true
};
var message = updateInfo.GetUpdateMessage();
Assert.Contains("dotnet tool update --global Sbroenne.ExcelMcp.McpServer", message);
}
}
