Ilia Denisov
f5c2404123
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Complete the client-side draft feature on top of the shipped backend
foundation (the game_drafts store/service):
- FB: DraftRequest{game_id,json} + DraftView{json} (a draft get reuses
GameActionRequest); regenerated committed Go + TS bindings.
- Backend REST: GET/PUT /games/:id/draft, a draftDTO
(rack_order/board_tiles) mapped to game.Draft.
- Gateway: draft.get/draft.save transcode forwarding the composition
JSON verbatim (json.RawMessage both ways -- no double-encode).
- UI: debounced save of the rack order + board tiles and restore on
load (lib/draft.ts), plus #5 -- tiles may be arranged on the
opponent's turn (placement relaxed; the preview and Make-move stay
your-turn-only, so an off-turn draft is position-only).
Tests: backend handler validation, gateway pass-through round-trip, UI
draft/codec units, and a draft-restore e2e.
83 lines
2.6 KiB
Go
83 lines
2.6 KiB
Go
package transcode_test
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import (
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"context"
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"io"
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"net/http"
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"testing"
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flatbuffers "github.com/google/flatbuffers/go"
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"scrabble/gateway/internal/transcode"
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fb "scrabble/pkg/fbs/scrabblefb"
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)
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// TestDraftSaveForwardsRawJSON checks the save handler forwards the client's composition JSON
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// to the backend verbatim (the "no double-encode" contract, Stage 17) with the user header.
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func TestDraftSaveForwardsRawJSON(t *testing.T) {
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const body = `{"rack_order":"1,0","board_tiles":[{"row":7,"col":7,"letter":"Q","blank":false}]}`
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backend, cleanup := fakeBackend(t, func(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodPut || r.URL.Path != "/api/v1/user/games/g-1/draft" {
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t.Errorf("unexpected %s %s", r.Method, r.URL.Path)
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}
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if got := r.Header.Get("X-User-ID"); got != "u-3" {
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t.Errorf("X-User-ID = %q, want u-3", got)
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}
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raw, _ := io.ReadAll(r.Body)
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if string(raw) != body {
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t.Errorf("forwarded body = %q, want %q (verbatim)", raw, body)
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}
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_, _ = w.Write([]byte(`{"ok":true}`))
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})
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defer cleanup()
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reg := transcode.NewRegistry(backend, nil)
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op, ok := reg.Lookup(transcode.MsgDraftSave)
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if !ok {
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t.Fatal("draft.save not registered")
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}
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b := flatbuffers.NewBuilder(64)
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gid := b.CreateString("g-1")
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j := b.CreateString(body)
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fb.DraftRequestStart(b)
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fb.DraftRequestAddGameId(b, gid)
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fb.DraftRequestAddJson(b, j)
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b.Finish(fb.DraftRequestEnd(b))
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if _, err := op.Handler(context.Background(), transcode.Request{Payload: b.FinishedBytes(), UserID: "u-3"}); err != nil {
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t.Fatalf("handler: %v", err)
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}
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}
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// TestDraftGetWrapsBackendJSON checks the get handler wraps the backend's stored draft JSON in
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// a DraftView verbatim (the gateway never interprets the shape).
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func TestDraftGetWrapsBackendJSON(t *testing.T) {
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const stored = `{"rack_order":"2,0,1","board_tiles":[]}`
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backend, cleanup := fakeBackend(t, func(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodGet || r.URL.Path != "/api/v1/user/games/g-2/draft" {
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t.Errorf("unexpected %s %s", r.Method, r.URL.Path)
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}
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_, _ = w.Write([]byte(stored))
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})
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defer cleanup()
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reg := transcode.NewRegistry(backend, nil)
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op, _ := reg.Lookup(transcode.MsgDraftGet)
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b := flatbuffers.NewBuilder(32)
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gid := b.CreateString("g-2")
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fb.GameActionRequestStart(b)
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fb.GameActionRequestAddGameId(b, gid)
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b.Finish(fb.GameActionRequestEnd(b))
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payload, err := op.Handler(context.Background(), transcode.Request{Payload: b.FinishedBytes(), UserID: "u-4"})
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if err != nil {
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t.Fatalf("handler: %v", err)
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}
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v := fb.GetRootAsDraftView(payload, 0)
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if string(v.Json()) != stored {
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t.Fatalf("DraftView.json = %q, want %q (verbatim)", v.Json(), stored)
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}
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}
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