From 887630365ff0531a0556cb71a6b1be0956c41d06 Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Mon, 12 Jan 2026 08:57:51 +0000
Subject: feat(deck): show due card count on deck list page

Display a badge with the number of cards due for study today next to
each deck name on the home page. The count is fetched along with deck
data from the API to minimize additional network requests.
---
 src/server/routes/decks.test.ts | 59 ++++++++++++++++++++++++++++++++++++-----
 1 file changed, 53 insertions(+), 6 deletions(-)

(limited to 'src/server/routes/decks.test.ts')

diff --git a/src/server/routes/decks.test.ts b/src/server/routes/decks.test.ts
index 8f5be9d..55aca2d 100644
--- a/src/server/routes/decks.test.ts
+++ b/src/server/routes/decks.test.ts
@@ -2,7 +2,11 @@ import { Hono } from "hono";
 import { sign } from "hono/jwt";
 import { beforeEach, describe, expect, it, vi } from "vitest";
 import { errorHandler } from "../middleware/index.js";
-import type { Deck, DeckRepository } from "../repositories/index.js";
+import type {
+	CardRepository,
+	Deck,
+	DeckRepository,
+} from "../repositories/index.js";
 import { createDecksRouter } from "./decks.js";
 
 function createMockDeckRepo(): DeckRepository {
@@ -15,6 +19,24 @@ function createMockDeckRepo(): DeckRepository {
 	};
 }
 
+function createMockCardRepo(): CardRepository {
+	return {
+		findByDeckId: vi.fn(),
+		findById: vi.fn(),
+		findByIdWithNoteData: vi.fn(),
+		findByNoteId: vi.fn(),
+		create: vi.fn(),
+		update: vi.fn(),
+		softDelete: vi.fn(),
+		softDeleteByNoteId: vi.fn(),
+		findDueCards: vi.fn(),
+		countDueCards: vi.fn().mockResolvedValue(0),
+		findDueCardsWithNoteData: vi.fn(),
+		findDueCardsForStudy: vi.fn(),
+		updateFSRSFields: vi.fn(),
+	};
+}
+
 const JWT_SECRET = process.env.JWT_SECRET || "test-secret";
 
 async function createTestToken(userId: string): Promise<string> {
@@ -57,12 +79,17 @@ interface DeckResponse {
 describe("GET /api/decks", () => {
 	let app: Hono;
 	let mockDeckRepo: ReturnType<typeof createMockDeckRepo>;
+	let mockCardRepo: ReturnType<typeof createMockCardRepo>;
 	let authToken: string;
 
 	beforeEach(async () => {
 		vi.clearAllMocks();
 		mockDeckRepo = createMockDeckRepo();
-		const decksRouter = createDecksRouter({ deckRepo: mockDeckRepo });
+		mockCardRepo = createMockCardRepo();
+		const decksRouter = createDecksRouter({
+			deckRepo: mockDeckRepo,
+			cardRepo: mockCardRepo,
+		});
 		app = new Hono();
 		app.onError(errorHandler);
 		app.route("/api/decks", decksRouter);
@@ -112,12 +139,17 @@ describe("GET /api/decks", () => {
 describe("POST /api/decks", () => {
 	let app: Hono;
 	let mockDeckRepo: ReturnType<typeof createMockDeckRepo>;
+	let mockCardRepo: ReturnType<typeof createMockCardRepo>;
 	let authToken: string;
 
 	beforeEach(async () => {
 		vi.clearAllMocks();
 		mockDeckRepo = createMockDeckRepo();
-		const decksRouter = createDecksRouter({ deckRepo: mockDeckRepo });
+		mockCardRepo = createMockCardRepo();
+		const decksRouter = createDecksRouter({
+			deckRepo: mockDeckRepo,
+			cardRepo: mockCardRepo,
+		});
 		app = new Hono();
 		app.onError(errorHandler);
 		app.route("/api/decks", decksRouter);
@@ -220,12 +252,17 @@ describe("POST /api/decks", () => {
 describe("GET /api/decks/:id", () => {
 	let app: Hono;
 	let mockDeckRepo: ReturnType<typeof createMockDeckRepo>;
+	let mockCardRepo: ReturnType<typeof createMockCardRepo>;
 	let authToken: string;
 
 	beforeEach(async () => {
 		vi.clearAllMocks();
 		mockDeckRepo = createMockDeckRepo();
-		const decksRouter = createDecksRouter({ deckRepo: mockDeckRepo });
+		mockCardRepo = createMockCardRepo();
+		const decksRouter = createDecksRouter({
+			deckRepo: mockDeckRepo,
+			cardRepo: mockCardRepo,
+		});
 		app = new Hono();
 		app.onError(errorHandler);
 		app.route("/api/decks", decksRouter);
@@ -285,12 +322,17 @@ describe("GET /api/decks/:id", () => {
 describe("PUT /api/decks/:id", () => {
 	let app: Hono;
 	let mockDeckRepo: ReturnType<typeof createMockDeckRepo>;
+	let mockCardRepo: ReturnType<typeof createMockCardRepo>;
 	let authToken: string;
 
 	beforeEach(async () => {
 		vi.clearAllMocks();
 		mockDeckRepo = createMockDeckRepo();
-		const decksRouter = createDecksRouter({ deckRepo: mockDeckRepo });
+		mockCardRepo = createMockCardRepo();
+		const decksRouter = createDecksRouter({
+			deckRepo: mockDeckRepo,
+			cardRepo: mockCardRepo,
+		});
 		app = new Hono();
 		app.onError(errorHandler);
 		app.route("/api/decks", decksRouter);
@@ -410,12 +452,17 @@ describe("PUT /api/decks/:id", () => {
 describe("DELETE /api/decks/:id", () => {
 	let app: Hono;
 	let mockDeckRepo: ReturnType<typeof createMockDeckRepo>;
+	let mockCardRepo: ReturnType<typeof createMockCardRepo>;
 	let authToken: string;
 
 	beforeEach(async () => {
 		vi.clearAllMocks();
 		mockDeckRepo = createMockDeckRepo();
-		const decksRouter = createDecksRouter({ deckRepo: mockDeckRepo });
+		mockCardRepo = createMockCardRepo();
+		const decksRouter = createDecksRouter({
+			deckRepo: mockDeckRepo,
+			cardRepo: mockCardRepo,
+		});
 		app = new Hono();
 		app.onError(errorHandler);
 		app.route("/api/decks", decksRouter);
-- 
cgit v1.2.3-70-g09d2