package testing_test

import (
	"path/filepath"
	"testing"

	"metis/pkg/inject"
)

func TestInjectWrite(t *testing.T) {
	tmp := t.TempDir()
	boot := filepath.Join(tmp, "boot")
	root := filepath.Join(tmp, "root")
	inj := inject.Injector{BootPath: boot, RootPath: root}
	files := []inject.FileSpec{
		{Path: "config.txt", Content: []byte("bootcfg"), Mode: 0o644, RootFS: false},
		{Path: "etc/hostname", Content: []byte("node"), Mode: 0o644, RootFS: true},
	}
	if err := inj.Write(files); err != nil {
		t.Fatalf("Write: %v", err)
	}
	if got := readFile(t, filepath.Join(boot, "config.txt")); string(got) != "bootcfg" {
		t.Fatalf("boot file = %q", got)
	}
	if got := readFile(t, filepath.Join(root, "etc/hostname")); string(got) != "node" {
		t.Fatalf("root file = %q", got)
	}
}