namespace MxGateway.IntegrationTests;

public sealed class IntegrationTestEnvironmentTests
{
    [Fact]
    public void LiveMxAccessTests_AreOptInByEnvironmentVariable()
    {
        Assert.Equal(
            "MXGATEWAY_RUN_LIVE_MXACCESS_TESTS",
            IntegrationTestEnvironment.LiveMxAccessVariableName);
    }

    [Fact]
    public void LiveMxAccessWorkerExecutable_UsesDocumentedEnvironmentVariable()
    {
        Assert.Equal(
            "MXGATEWAY_LIVE_MXACCESS_WORKER_EXE",
            IntegrationTestEnvironment.LiveMxAccessWorkerExecutableVariableName);
    }

    [Fact]
    public void ResolveRepositoryRoot_AcceptsGitWorktreeFile()
    {
        string temporaryRoot = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
        string nestedDirectory = Path.Combine(temporaryRoot, "tests", "bin");

        try
        {
            Directory.CreateDirectory(nestedDirectory);
            Directory.CreateDirectory(Path.Combine(temporaryRoot, "src"));
            File.WriteAllText(Path.Combine(temporaryRoot, ".git"), "gitdir: ../.git/worktrees/test");

            string repositoryRoot = IntegrationTestEnvironment.ResolveRepositoryRoot(nestedDirectory);

            Assert.Equal(temporaryRoot, repositoryRoot);
        }
        finally
        {
            if (Directory.Exists(temporaryRoot))
            {
                Directory.Delete(temporaryRoot, recursive: true);
            }
        }
    }
}