package nixbuild_test

import (
	"encoding/json"
	"slices"
	"strings"
	"testing"

	"git.gensokyo.uk/yonah/nixbuild"
)

func TestCollectFromDerivations(t *testing.T) {
	testCases := []struct {
		name string
		show []byte
		want string
	}{
		{"getchoo atlas", getchooAtlasShow, getchooAtlasCollective},
		{"getchoo glados", getchooGladosShow, getchooGladosCollective},
		{"pluiedev pappardelle", pluiedevPappardelleShow, pluiedevPappardelleCollective},
	}
	for _, tc := range testCases {
		t.Run(tc.name, func(t *testing.T) {
			var derivations nixbuild.DerivationMap
			if err := json.Unmarshal(tc.show, &derivations); err != nil {
				t.Fatalf("cannot unmarshal test data: %v", err)
			}
			got := nixbuild.CollectFromDerivations(derivations)
			want := strings.Split(strings.TrimSpace(tc.want), "\n")
			if !slices.Equal(got, want) {
				t.Errorf("CollectFromDerivations:\n%s, want\n%s",
					strings.Join(got, "\n"), strings.Join(want, "\n"))
			}
		})
	}
}