package assets

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

func TestCheckMDL(t *testing.T) {
	dir := t.TempDir()
	// Uncompiled ASCII model with a name mismatch.
	bad := filepath.Join(dir, "foo.mdl")
	if err := os.WriteFile(bad, []byte("newmodel wrong\nbeginmodelgeom wrong\nendmodelgeom wrong\ndonemodel wrong\n"), 0o644); err != nil {
		t.Fatal(err)
	}
	var out, errw bytes.Buffer
	if code := runCheckMDL([]string{dir}, &out, &errw); code != exitFail {
		t.Fatalf("bad mdl exit = %d, want %d\n%s", code, exitFail, errw.String())
	}

	// A binary (compiled) model is fine.
	good := t.TempDir()
	if err := os.WriteFile(filepath.Join(good, "bar.mdl"), []byte("\x00\x00compiled binary blob"), 0o644); err != nil {
		t.Fatal(err)
	}
	out.Reset()
	errw.Reset()
	if code := runCheckMDL([]string{good}, &out, &errw); code != exitOK {
		t.Fatalf("binary mdl exit = %d, want %d\n%s", code, exitOK, errw.String())
	}
}