package catalogue

import (
	"strings"
	"testing"
)

// A backup contribution written by hand still names its module's own directories; one it does not
// declare is refused where it is written rather than reaching the holder as the literal text. (The
// catalogue check refuses a hand-written backup line at all since ADR 0233; parsing still reads one,
// because a module on the shelf was written before.)
func TestABackupNamingAnUndeclaredDirectoryIsRefused(t *testing.T) {
	_, err := ParseManifest([]byte(`{"module":"pg","version":"1",
		"contributions":[{"seat":"node-backup","kind":"backup","content":"path ${dir:nowhere}"}]}`))
	if err == nil || !strings.Contains(err.Error(), "nowhere") {
		t.Fatalf("a backup of an undeclared directory was accepted: %v", err)
	}
}

// A module on the shelf from before ADR 0233, which writes its backup lines by hand and declares no
// data, is still backed up: its lines are placed as written, each module's under a comment naming it.
func TestHandWrittenBackupLinesOfAnOlderModuleArePlaced(t *testing.T) {
	pg, err := ParseManifest([]byte(`{"module":"pg","version":"1",
		"resources":[{"id":"dumps","type":"directory","path":"/srv/pg/dumps","mode":"0700"}],
		"contributions":[{"seat":"node-backup","kind":"backup","content":"run pg-dump-all\npath ${dir:dumps}"}]}`))
	if err != nil {
		t.Fatal(err)
	}
	mail, err := ParseManifest([]byte(`{"module":"mail","version":"1",
		"resources":[{"id":"spool","type":"directory","mode":"0700"}],
		"contributions":[{"seat":"node-backup","kind":"backup","content":"path ${dir:spool}"}]}`))
	if err != nil {
		t.Fatal(err)
	}
	placed, err := seatContributions([]Manifest{pg, mail}, BackupSeat, "backup", Rendering{}, nil)
	if err != nil {
		t.Fatal(err)
	}
	for _, want := range []string{"# pg\nrun pg-dump-all\npath /srv/pg/dumps\n", "# mail\npath /var/lib/mail/spool\n"} {
		if !strings.Contains(placed, want) {
			t.Errorf("placed contributions lack %q:\n%s", want, placed)
		}
	}
	if strings.Contains(placed, "${dir:") {
		t.Errorf("a directory reached the holder unfilled:\n%s", placed)
	}
}