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package admin
// Regression: admin create/link grid prechecks seeded the layout from the
// configured starting room. A detached in-progress area (not yet reachable
// from the start room) was therefore never laid out, so a link that introduced
// a grid twist was accepted, and auto-detecting a direction rejected two
// adjacent detached rooms as "not reachable from the seed room". The prechecks
// now seed from the room being edited.
import (
"encoding/json"
"net/http"
"net/http/httptest"
"strings"
"testing"
"thehouseoficarus/internal/config"
)
// newDetachedAdminServer builds a server whose configured starting room (999)
// is deliberately outside every room under test.
func newDetachedAdminServer(t *testing.T, rooms map[int]string) *AdminServer {
t.Helper()
s := newTestAdminServer(t, rooms)
s.cfg = config.Default()
s.cfg.StartingRoom = 999
return s
}
func postLink(t *testing.T, s *AdminServer, body string) (map[string]any, int) {
t.Helper()
req := httptest.NewRequest(http.MethodPost, "/api/rooms/link", strings.NewReader(body))
req.Header.Set("Content-Type", "application/json")
rr := httptest.NewRecorder()
s.handleRoomLink(rr, req)
var resp map[string]any
_ = json.Unmarshal(rr.Body.Bytes(), &resp)
return resp, rr.Code
}
func TestLinkConflictDetectedInDetachedArea(t *testing.T) {
s := newDetachedAdminServer(t, map[int]string{
10: "id: 10\nname: A\nexits:\n north:\n room: 11\n",
11: "id: 11\nname: B\nexits:\n south:\n room: 10\n east:\n room: 12\n",
12: "id: 12\nname: C\n",
// Starting room outside the component under edit.
999: "id: 999\nname: Start\n",
})
// 10-e north->11 and 11-east->12 place 12 at (1,-1); adding 10-east->12
// would also place it at (1,0) — a twist the detached precheck must catch.
if resp, code := postLink(t, s, `{"from":10,"to":12,"dir":"east"}`); code != http.StatusConflict {
t.Fatalf("detached link that creates a grid twist: status = %d (%v), want %d", code, resp, http.StatusConflict)
}
}
func TestAutoDirectionWorksInDetachedArea(t *testing.T) {
s := newDetachedAdminServer(t, map[int]string{
10: "id: 10\nname: A\nexits:\n east:\n room: 11\n",
11: "id: 11\nname: B\nexits:\n west:\n room: 10\n",
999: "id: 999\nname: Start\n",
})
resp, code := postLink(t, s, `{"from":10,"to":11}`)
if code != http.StatusOK {
t.Fatalf("auto-direction in a detached area: status = %d (%v), want 200", code, resp)
}
if got := roomExitTarget(s, 10, "east"); got != 11 {
t.Fatalf("room 10 east exit = %d, want 11", got)
}
}
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