package containers

import (
	"os"
	"path/filepath"
	"testing"
)

func TestGetTechAndVersion(t *testing.T) {
	// Create a temporary directory for testing
	tempDir := t.TempDir()

	// Create a fake language directory with version in the temporary directory
	fakeLangDir := filepath.Join(tempDir, "techs", "python-3.10.4", "bin")
	err := os.MkdirAll(fakeLangDir, 0755)
	if err != nil {
		t.Fatalf("Failed to create fake language directory: %v", err)
	}

	// Create a symlink for testing
	symlink := filepath.Join(tempDir, "primary_tech")
	err = os.Symlink(fakeLangDir, symlink)
	if err != nil {
		t.Fatalf("Failed to create symlink: %v", err)
	}

	// Test parseLanguageAndVersion function
	info, err := getTechAndVersion(symlink)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	expectedLanguage := "python"
	expectedVersion := "3.10.4"
	if info.Tech != expectedLanguage || info.Version != expectedVersion {
		t.Errorf("Expected language: %s, version: %s, but got language: %s, version: %s",
			expectedLanguage, expectedVersion, info.Tech, info.Version)
	}
}