using System;
using System.Reflection;
using Newtonsoft.Json.Linq;
using NUnit.Framework;
using MCPForUnity.Editor.Helpers;
namespace MCPForUnityTests.Editor.Tools
{
/// <summary>
/// Tests for RunTests tool functionality.
/// Note: We cannot easily test the full HandleCommand because it would create
/// recursive test runner calls.
/// </summary>
public class RunTestsTests
{
[Test]
public void HandleCommand_WhenTestsAlreadyRunning_ReturnsBusyError()
{
// Arrange: Force TestJobManager into a "busy" state without starting a real run.
// We do this via reflection because TestJobManager is internal.
var asm = typeof(MCPForUnity.Editor.Services.MCPServiceLocator).Assembly;
var testJobManagerType = asm.GetType("MCPForUnity.Editor.Services.TestJobManager");
Assert.NotNull(testJobManagerType, "Could not locate TestJobManager type via reflection");
var currentJobIdField = testJobManagerType.GetField("_currentJobId", BindingFlags.NonPublic | BindingFlags.Static);
Assert.NotNull(currentJobIdField, "Could not locate TestJobManager._currentJobId field");
var originalJobId = currentJobIdField.GetValue(null) as string;
currentJobIdField.SetValue(null, "busy-test-job-id");
try
{
var resultObj = MCPForUnity.Editor.Tools.RunTests.HandleCommand(new JObject()).GetAwaiter().GetResult();
Assert.IsInstanceOf<ErrorResponse>(resultObj);
var err = (ErrorResponse)resultObj;
Assert.AreEqual(false, err.Success);
Assert.AreEqual("tests_running", err.Code);
var data = err.Data != null ? JObject.FromObject(err.Data) : null;
Assert.NotNull(data, "Expected data payload on tests_running error");
Assert.AreEqual("tests_running", data["reason"]?.ToString());
Assert.GreaterOrEqual(data["retry_after_ms"]?.Value<int>() ?? 0, 500);
}
finally
{
currentJobIdField.SetValue(null, originalJobId);
}
}
[Test]
public void HandleCommand_WithInvalidMode_ReturnsError()
{
var resultObj = MCPForUnity.Editor.Tools.RunTests.HandleCommand(new JObject
{
["mode"] = "NotARealMode"
}).GetAwaiter().GetResult();
Assert.IsInstanceOf<ErrorResponse>(resultObj);
var err = (ErrorResponse)resultObj;
Assert.AreEqual(false, err.Success);
Assert.IsTrue(err.Error.Contains("Unknown test mode", StringComparison.OrdinalIgnoreCase));
}
}
}
