refactor(packagemanager,cli,tui): move packages in specific subfolders

internal/utils/utils_test.go

@@ -0,0 +1,40 @@
+package utils
+
+import (
+	"os/exec"
+	"system_setup_tool/internal/shell"
+	"testing"
+)
+
+func TestMax(t *testing.T) {
+	tests := []struct {
+		a, b, want int
+	}{
+		{1, 2, 2},
+		{5, 3, 5},
+		{0, 0, 0},
+		{-1, -5, -1},
+	}
+
+	for _, tt := range tests {
+		got := max(tt.a, tt.b)
+		if got != tt.want {
+			t.Errorf("max(%d, %d) = %d; want %d", tt.a, tt.b, got, tt.want)
+		}
+	}
+}
+
+func TestExecuteShellCommand(t *testing.T) {
+	// Mock execCommand
+	oldExecCommand := shell.ExecCommand
+	defer func() { shell.ExecCommand = oldExecCommand }()
+
+	shell.ExecCommand = func(command string, args ...string) *exec.Cmd {
+		return exec.Command("echo", "mocked command")
+	}
+
+	err := shell.ExecuteShellCommand("test command", "TEST_ENV=value")
+	if err != nil {
+		t.Errorf("executeShellCommand() error = %v; want nil", err)
+	}
+}