test(api): batch-workout integration + race + size-cap coverage

Unit + integration coverage for POST /api/workouts/batch.

Unit (database-free, mocks the Prisma layer):
- 401 on unauthenticated calls
- 413 when Content-Length exceeds the 5 MB ceiling, with the
  documented workout.batch.payload_too_large error code
- 429 when the rate-limit gate blocks the call
- 400 when the workouts array exceeds the 100-entry cap
- 400 when the Zod schema rejects the payload
- 400 when a route exceeds the 20 000-point cap
- Fresh entries marked inserted
- Pre-existing entries flagged duplicate without re-inserting
- Race-reconciliation downgrades inserted statuses to duplicate
  when createMany.count is below the attempted-row count
- WorkoutRoute rows attached by FK after the workout createMany

Integration (real Postgres in a testcontainer):
- Happy-path single workout with nested route lands as a Workout
  row + WorkoutRoute row + 1:1 FK + computed durationSec
- 100-workout batch with mixed routes lands all 100 workouts and
  exactly the expected number of route rows
- Over-cap batch (101 workouts) returns 400 with
  workout.batch.too_large
- Over-cap route (20 001 points) returns 400 with
  workout.batch.invalid
- Re-posted batch surfaces as duplicates without inserting twice
- Idempotency-Key replays the cached envelope and sets the
  X-Idempotent-Replay header
- Pre-seeded rate-limit row triggers 429 and writes nothing
- Narrow-scope Bearer token admitted on a route that declares no
  required permission (the W10 fix-C correctness fix the iOS
  narrow-scope sync depends on)
This commit is contained in:
Marc-André Bombeck committed 2026-05-14 18:15:37 +02:00
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/**
* Unit suite for `POST /api/workouts/batch`.
*
* Database-free coverage of the surface that doesn't require a real
* Postgres — the per-entry status envelope, the rate-limit gate, the
* payload-size ceiling, the Zod-parse short-circuits, and the
* race-reconciliation downgrade pass. Full request-lifecycle assertions
* (idempotency replay, real-DB dedup, concurrent-write race) live in
* the matching `tests/integration/workout-batch-create.test.ts`.
*/
import { describe, expect, it, vi, beforeEach } from "vitest";
import { NextRequest } from "next/server";
vi.mock("@/lib/db", () => ({
prisma: {
workout: {
findMany: vi.fn(),
createMany: vi.fn(),
findFirst: vi.fn(),
},
workoutRoute: {
createMany: vi.fn(),
},
$transaction: vi.fn(async (fn: unknown) => {
// Same shape as the real Prisma client — invoke the supplied
// callback with the mocked client itself so `tx.workout.createMany`
// calls land on the same vi.fn instances.
if (typeof fn === "function") {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
return (fn as any)((prisma as unknown as { workout: unknown }));
}
}),
},
}));
vi.mock("@/lib/auth/session", () => ({ getSession: vi.fn() }));
vi.mock("@/lib/auth/audit", () => ({
auditLog: vi.fn().mockResolvedValue(undefined),
}));
vi.mock("@/lib/logging/transports", () => ({ emitIfSampled: vi.fn() }));
vi.mock("@/lib/db-compat", () => ({
ensureDbCompatibility: vi.fn().mockResolvedValue(undefined),
}));
vi.mock("@/lib/rate-limit", () => ({
checkRateLimit: vi.fn(),
}));
vi.mock("next/headers", () => ({
headers: vi.fn(async () => ({ get: () => null })),
cookies: vi.fn(async () => ({
get: () => undefined,
set: () => {},
delete: () => {},
})),
}));
import { POST } from "../batch/route";
import { prisma } from "@/lib/db";
import { getSession } from "@/lib/auth/session";
import { checkRateLimit } from "@/lib/rate-limit";
const SESSION_OK = {
session: { id: "sess-1", expiresAt: new Date(Date.now() + 3_600_000) },
user: { id: "user-1", username: "marc", role: "USER" as const },
};
function makeRequest(
body: unknown,
opts: {
contentLength?: number | null;
headers?: Record<string, string>;
} = {},
): NextRequest {
const baseHeaders: Record<string, string> = {
"content-type": "application/json",
...(opts.headers ?? {}),
};
const serialized = JSON.stringify(body);
if (opts.contentLength !== null) {
baseHeaders["content-length"] = String(
opts.contentLength ?? serialized.length,
);
}
return new NextRequest("http://localhost/api/workouts/batch", {
method: "POST",
headers: baseHeaders,
body: serialized,
});
}
function validWorkout(externalId: string, overrides: Record<string, unknown> = {}) {
return {
sportType: "running",
startedAt: "2026-05-14T06:30:00.000Z",
endedAt: "2026-05-14T07:15:00.000Z",
source: "APPLE_HEALTH",
externalId,
...overrides,
};
}
beforeEach(() => {
vi.resetAllMocks();
vi.mocked(getSession).mockResolvedValue(SESSION_OK as never);
vi.mocked(checkRateLimit).mockResolvedValue({
allowed: true,
remaining: 60,
resetAt: Date.now() + 60_000,
});
vi.mocked(prisma.workout.findMany).mockResolvedValue([]);
vi.mocked(prisma.workout.createMany).mockResolvedValue({ count: 0 });
vi.mocked(prisma.workout.findFirst).mockResolvedValue(null);
vi.mocked(prisma.workoutRoute.createMany).mockResolvedValue({ count: 0 });
});
describe("POST /api/workouts/batch — auth + size + rate-limit", () => {
it("returns 401 when unauthenticated", async () => {
vi.mocked(getSession).mockResolvedValue(null);
const res = await POST(makeRequest({ workouts: [validWorkout("a")] }));
expect(res.status).toBe(401);
});
it("returns 413 when Content-Length exceeds the 5 MB ceiling", async () => {
const res = await POST(
makeRequest(
{ workouts: [validWorkout("uuid-1")] },
{ contentLength: 6 * 1024 * 1024 },
),
);
expect(res.status).toBe(413);
const body = (await res.json()) as {
error: string;
meta?: { errorCode?: string };
};
expect(body.meta?.errorCode).toBe("workout.batch.payload_too_large");
});
it("returns 429 when the rate-limit gate blocks the call", async () => {
vi.mocked(checkRateLimit).mockResolvedValue({
allowed: false,
remaining: 0,
resetAt: Date.now() + 60_000,
});
const res = await POST(makeRequest({ workouts: [validWorkout("uuid-1")] }));
expect(res.status).toBe(429);
// We must NOT have queried Prisma after a rate-limit miss — the
// gate's whole point is to short-circuit before the DB.
expect(prisma.workout.createMany).not.toHaveBeenCalled();
});
});
describe("POST /api/workouts/batch — validation", () => {
it("returns 400 when the workouts array exceeds the per-batch cap", async () => {
const workouts = Array.from({ length: 101 }, (_, i) =>
validWorkout(`uuid-${i}`),
);
const res = await POST(makeRequest({ workouts }));
expect(res.status).toBe(400);
const body = (await res.json()) as {
error: string;
meta?: { errorCode?: string };
};
expect(body.meta?.errorCode).toBe("workout.batch.too_large");
});
it("returns 400 when the Zod schema rejects the payload", async () => {
const res = await POST(
makeRequest({
workouts: [
{
// Missing required fields — Zod must reject.
sportType: "running",
},
],
}),
);
expect(res.status).toBe(400);
const body = (await res.json()) as {
error: string;
meta?: { errorCode?: string };
};
expect(body.meta?.errorCode).toBe("workout.batch.invalid");
});
it("returns 400 when a route exceeds the 20 000-point cap", async () => {
// 20 001 points — schema must reject before the handler reaches
// its DB layer. We assert no Prisma query fires.
const coordinates: [number, number][] = [];
for (let i = 0; i < 20_001; i++) {
coordinates.push([11 + i * 1e-7, 49 + i * 1e-7]);
}
const res = await POST(
makeRequest(
{
workouts: [
validWorkout("uuid-route-cap", {
route: { geometry: { type: "LineString", coordinates } },
}),
],
},
// Skip the Content-Length check — 20k coordinates serialised
// is well under 5 MB and the request as built has the real
// header anyway. The test asserts that the SCHEMA cap fires
// even when the byte cap doesn't.
{ contentLength: null },
),
);
expect(res.status).toBe(400);
expect(prisma.workout.createMany).not.toHaveBeenCalled();
});
});
describe("POST /api/workouts/batch — per-entry status envelope", () => {
it("marks every fresh entry as inserted", async () => {
vi.mocked(prisma.workout.createMany).mockResolvedValue({ count: 2 });
const res = await POST(
makeRequest({
workouts: [
validWorkout("uuid-fresh-1"),
validWorkout("uuid-fresh-2"),
],
}),
);
expect(res.status).toBe(200);
const body = (await res.json()) as {
data: {
processed: number;
inserted: number;
duplicates: number;
entries: Array<{ status: string }>;
};
};
expect(body.data.processed).toBe(2);
expect(body.data.inserted).toBe(2);
expect(body.data.duplicates).toBe(0);
expect(body.data.entries.every((e) => e.status === "inserted")).toBe(true);
});
it("flags entries already in the DB as duplicate without re-inserting", async () => {
vi.mocked(prisma.workout.findMany).mockResolvedValue([
{ source: "APPLE_HEALTH", externalId: "uuid-existing" },
] as never);
vi.mocked(prisma.workout.createMany).mockResolvedValue({ count: 1 });
const res = await POST(
makeRequest({
workouts: [
validWorkout("uuid-existing"),
validWorkout("uuid-fresh"),
],
}),
);
expect(res.status).toBe(200);
const body = (await res.json()) as {
data: {
inserted: number;
duplicates: number;
entries: Array<{ index: number; status: string }>;
};
};
expect(body.data.inserted).toBe(1);
expect(body.data.duplicates).toBe(1);
expect(body.data.entries[0]?.status).toBe("duplicate");
expect(body.data.entries[1]?.status).toBe("inserted");
});
it("downgrades inserted statuses to duplicate when createMany.count < attempted (race)", async () => {
// Pre-flight findMany returns empty (no obvious duplicates), so
// every entry is initially marked "inserted". createMany then
// returns count=1 — the other batch already won the race for one
// row. The race-reconciliation block must downgrade exactly one
// "inserted" status to "duplicate" so the envelope sums match the
// aggregate counts (the v1.4.25 W10 fix-C invariant).
vi.mocked(prisma.workout.findMany).mockResolvedValue([]);
vi.mocked(prisma.workout.createMany).mockResolvedValue({ count: 1 });
const res = await POST(
makeRequest({
workouts: [
validWorkout("uuid-race-1"),
validWorkout("uuid-race-2"),
],
}),
);
expect(res.status).toBe(200);
const body = (await res.json()) as {
data: {
inserted: number;
duplicates: number;
entries: Array<{ status: string }>;
};
};
const insertedEntries = body.data.entries.filter(
(e) => e.status === "inserted",
).length;
const duplicateEntries = body.data.entries.filter(
(e) => e.status === "duplicate",
).length;
expect(insertedEntries).toBe(body.data.inserted);
expect(duplicateEntries).toBe(body.data.duplicates);
expect(body.data.inserted).toBe(1);
expect(body.data.duplicates).toBe(1);
});
});
describe("POST /api/workouts/batch — nested route attachment", () => {
it("creates a WorkoutRoute row for a workout that ships a route", async () => {
vi.mocked(prisma.workout.createMany).mockResolvedValue({ count: 1 });
// Post-insert lookup returns the newly-inserted workout id so the
// route can be attached by FK.
vi.mocked(prisma.workout.findMany).mockImplementation((async (args: {
select?: { id?: true; source?: true; externalId?: true };
}) => {
if (args.select?.id) {
return [
{
id: "wkt-fresh-id",
source: "APPLE_HEALTH",
externalId: "uuid-with-route",
},
];
}
return [];
}) as never);
const res = await POST(
makeRequest({
workouts: [
validWorkout("uuid-with-route", {
route: {
geometry: {
type: "LineString",
coordinates: [
[11.077, 49.452],
[11.078, 49.453],
],
},
},
}),
],
}),
);
expect(res.status).toBe(200);
expect(prisma.workoutRoute.createMany).toHaveBeenCalledTimes(1);
const call = vi.mocked(prisma.workoutRoute.createMany).mock.calls[0]?.[0];
const rows = (call as { data: Array<{ workoutId: string }> }).data;
expect(rows[0]?.workoutId).toBe("wkt-fresh-id");
});
});