feat: group all-account rows by instrument and day (WealthLedger/main#47) (#126)

src/entities/broker-operation/model/display.test.ts

@@ -1,9 +1,12 @@
-import { expect, it } from "vitest";
+import { describe, expect, it } from "vitest";
 
-import { operationLabelKey } from "./display";
+import type { BrokerageOperation } from "../api/useBrokerageOperations";
+
+import { brokerageOperationGroupKey, operationLabelKey } from "./display";
 
 it.each([
 	["OPERATION_TYPE_BUY", "buy"],
+	["OPERATION_TYPE_COUPON", "other"],
 	["OPERATION_TYPE_BUY_CARD", "buy"],
 	["OPERATION_TYPE_BUY_MARGIN", "buy"],
 	["OPERATION_TYPE_SELL", "sell"],
@@ -21,3 +24,71 @@ it.each([
 ])("preserves the wire operation label for %s", (type, label) => {
 	expect(operationLabelKey(type)).toBe(`ledger.operationType.${label}`);
 });
+
+describe("brokerageOperationGroupKey", () => {
+	const base: BrokerageOperation = {
+		account: { id: "account-1", name: "Брокерский" },
+		accruedInterest: null,
+		category: "income",
+		commission: null,
+		description: "Купон",
+		figi: "FIGI",
+		id: "operation",
+		instrumentType: "bond",
+		instrumentUid: "UID",
+		logoName: null,
+		occurredAt: "2026-08-14T10:00:00Z",
+		payment: null,
+		price: null,
+		quantity: null,
+		ticker: "BOND",
+		type: "OPERATION_TYPE_COUPON",
+	};
+
+	it("uses screen day, preferred identity and exact type, not account", () => {
+		const first = brokerageOperationGroupKey(base);
+
+		const same = brokerageOperationGroupKey({
+			...base,
+			account: { id: "account-2", name: "ИИС" },
+			figi: "OTHER-FIGI",
+			occurredAt: "2026-08-14T11:00:00Z",
+		});
+
+		expect(same).toBe(first);
+		expect(brokerageOperationGroupKey({
+			...base,
+			type: "OPERATION_TYPE_DIVIDEND",
+		})).not.toBe(first);
+	});
+
+	it("keeps buy and sell of one instrument in different groups", () => {
+		expect(brokerageOperationGroupKey({ ...base, type: "OPERATION_TYPE_BUY" }))
+			.not.toBe(brokerageOperationGroupKey({
+				...base,
+				type: "OPERATION_TYPE_SELL",
+			}));
+	});
+
+	it("separates local midnight and joins one local day across UTC dates", () => {
+		const before = new Date(2026, 7, 14, 23, 59).toISOString();
+		const after = new Date(2026, 7, 15, 0, 1).toISOString();
+		const morning = new Date(2026, 7, 14, 1).toISOString();
+		const evening = new Date(2026, 7, 14, 23).toISOString();
+
+		expect(brokerageOperationGroupKey({ ...base, occurredAt: before }))
+			.not.toBe(brokerageOperationGroupKey({ ...base, occurredAt: after }));
+		expect(brokerageOperationGroupKey({ ...base, occurredAt: morning }))
+			.toBe(brokerageOperationGroupKey({ ...base, occurredAt: evening }));
+	});
+
+	it("falls back to FIGI and leaves missing identity ungrouped", () => {
+		expect(brokerageOperationGroupKey({ ...base, instrumentUid: null }))
+			.toBe(brokerageOperationGroupKey({ ...base, instrumentUid: "" }));
+		expect(brokerageOperationGroupKey({
+			...base,
+			figi: null,
+			instrumentUid: null,
+		})).toBeNull();
+	});
+});