package config

import (
	"reflect"
	"testing"

	"gopkg.in/yaml.v3"
)

func TestAuditaYAMLPreservesModuleSelection(t *testing.T) {
	for _, tc := range []struct {
		name    string
		modules []string
	}{
		{name: "omitted"},
		{name: "explicit empty", modules: []string{}},
		{name: "ordered repetitions", modules: []string{"grammar", "names", "grammar"}},
	} {
		t.Run(tc.name, func(t *testing.T) {
			data, err := yaml.Marshal(AuditaConfig{Modules: tc.modules})
			if err != nil {
				t.Fatal(err)
			}
			var decoded AuditaConfig
			if err := yaml.Unmarshal(data, &decoded); err != nil {
				t.Fatal(err)
			}
			if !reflect.DeepEqual(decoded.Modules, tc.modules) {
				t.Fatalf("modules = %#v, want %#v; YAML:\n%s", decoded.Modules, tc.modules, data)
			}
		})
	}
}