refactor: organize backend by business responsibility

2026-09-13 13:52:57 +03:00
parent 7fde3ece6e
commit 8ba005346d
145 changed files with 3027 additions and 2346 deletions
@@ -0,0 +1,108 @@
+import { MoexClient } from './moex.client';
+
+describe('MoexClient', () => {
+  afterEach(() => jest.restoreAllMocks());
+  it('uses effective yield only for the exact ISIN and board and preserves its own price and date', async () => {
+    jest.spyOn(global, 'fetch').mockResolvedValue({
+      ok: true,
+      json: () =>
+        Promise.resolve({
+          securities: {
+            columns: ['SECID', 'ISIN', 'BOARDID'],
+            data: [['BOND', 'RU000TEST', 'TQOB']],
+          },
+          marketdata_yields: {
+            columns: [
+              'SECID',
+              'BOARDID',
+              'EFFECTIVEYIELD',
+              'PRICE',
+              'YIELDDATE',
+              'YIELDDATETYPE',
+              'TRADEMOMENT',
+            ],
+            data: [
+              [
+                'BOND',
+                'OTHER',
+                99,
+                20,
+                '2028-12-01',
+                'OFFERDATE',
+                '2026-09-10 18:49:00',
+              ],
+              [
+                'BOND',
+                'TQOB',
+                -0.5,
+                101,
+                '2028-12-01',
+                'OFFERDATE',
+                '2026-09-10 18:49:00',
+              ],
+            ],
+          },
+        }),
+    } as Response);
+    const client = new MoexClient();
+    expect(await client.bondYield('BOND', 'RU000TEST', 'TQOB')).toEqual({
+      value: '-0.5',
+      pricePercent: '101',
+      date: '2028-12-01',
+      dateType: 'OFFERDATE',
+      tradeAt: '2026-09-10T15:49:00.000Z',
+    });
+    expect(await client.bondYield('BOND', 'WRONG', 'TQOB')).toBeNull();
+    expect(await client.bondYield('BOND', 'RU000TEST', 'OTHER')).toBeNull();
+  });
+  it.each([null, 0])(
+    'does not report unknown yield as zero: %s',
+    async (value) => {
+      jest.spyOn(global, 'fetch').mockResolvedValue({
+        ok: true,
+        json: () =>
+          Promise.resolve({
+            securities: {
+              columns: ['SECID', 'ISIN', 'BOARDID'],
+              data: [['BOND', 'ISIN', 'TQOB']],
+            },
+            marketdata_yields: {
+              columns: [
+                'SECID',
+                'BOARDID',
+                'EFFECTIVEYIELD',
+                'PRICE',
+                'YIELDDATE',
+                'TRADEMOMENT',
+              ],
+              data: [
+                [
+                  'BOND',
+                  'TQOB',
+                  value,
+                  100,
+                  '2030-01-01',
+                  '2026-09-10 12:00:00',
+                ],
+              ],
+            },
+          }),
+      } as Response);
+      const result = await new MoexClient().bondYield('BOND', 'ISIN', 'TQOB');
+      expect(result?.value ?? null).toBe(value === null ? null : '0');
+    },
+  );
+  it('treats a successful response without the requested block as no events', async () => {
+    const fetchMock = jest.spyOn(global, 'fetch').mockResolvedValue({
+      ok: true,
+      json: () =>
+        Promise.resolve({
+          description: { columns: ['name', 'value'], data: [] },
+          boards: { columns: ['secid'], data: [] },
+        }),
+    } as Response);
+
+    await expect(new MoexClient().bondEvents('BOND')).resolves.toEqual([]);
+    fetchMock.mockRestore();
+  });
+});