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| 1 | +/** |
| 2 | + * @vitest-environment node |
| 3 | + */ |
| 4 | +import { dbChainMock, dbChainMockFns, resetDbChainMock } from '@sim/testing' |
| 5 | +import { beforeEach, describe, expect, it, vi } from 'vitest' |
| 6 | + |
| 7 | +vi.mock('@sim/db', () => dbChainMock) |
| 8 | + |
| 9 | +import { |
| 10 | + appendCopilotChatMessages, |
| 11 | + replaceCopilotChatMessages, |
| 12 | +} from '@/lib/copilot/chat/messages-dual-write' |
| 13 | +import type { PersistedMessage } from '@/lib/copilot/chat/persisted-message' |
| 14 | + |
| 15 | +const userMsg: PersistedMessage = { |
| 16 | + id: 'msg-user-1', |
| 17 | + role: 'user', |
| 18 | + content: 'Hello', |
| 19 | + timestamp: '2026-01-01T00:00:00.000Z', |
| 20 | +} |
| 21 | + |
| 22 | +const assistantMsg: PersistedMessage = { |
| 23 | + id: 'msg-asst-1', |
| 24 | + role: 'assistant', |
| 25 | + content: 'Hi back', |
| 26 | + timestamp: '2026-01-01T00:00:01.000Z', |
| 27 | +} |
| 28 | + |
| 29 | +describe('messages-dual-write', () => { |
| 30 | + beforeEach(() => { |
| 31 | + vi.clearAllMocks() |
| 32 | + resetDbChainMock() |
| 33 | + }) |
| 34 | + |
| 35 | + describe('appendCopilotChatMessages', () => { |
| 36 | + it('is a no-op on empty array', async () => { |
| 37 | + await appendCopilotChatMessages('chat-1', []) |
| 38 | + expect(dbChainMockFns.insert).not.toHaveBeenCalled() |
| 39 | + }) |
| 40 | + |
| 41 | + it('inserts rows built from PersistedMessage shape', async () => { |
| 42 | + await appendCopilotChatMessages('chat-1', [userMsg, assistantMsg]) |
| 43 | + |
| 44 | + expect(dbChainMockFns.insert).toHaveBeenCalledTimes(1) |
| 45 | + expect(dbChainMockFns.values).toHaveBeenCalledTimes(1) |
| 46 | + const rows = dbChainMockFns.values.mock.calls[0][0] |
| 47 | + expect(rows).toHaveLength(2) |
| 48 | + |
| 49 | + expect(rows[0]).toMatchObject({ |
| 50 | + chatId: 'chat-1', |
| 51 | + messageId: 'msg-user-1', |
| 52 | + role: 'user', |
| 53 | + content: userMsg, |
| 54 | + model: null, |
| 55 | + streamId: null, |
| 56 | + }) |
| 57 | + expect(rows[0].createdAt).toEqual(new Date(userMsg.timestamp)) |
| 58 | + expect(rows[0].updatedAt).toEqual(new Date(userMsg.timestamp)) |
| 59 | + |
| 60 | + expect(rows[1]).toMatchObject({ |
| 61 | + chatId: 'chat-1', |
| 62 | + messageId: 'msg-asst-1', |
| 63 | + role: 'assistant', |
| 64 | + content: assistantMsg, |
| 65 | + }) |
| 66 | + expect(rows[1].createdAt).toEqual(new Date(assistantMsg.timestamp)) |
| 67 | + }) |
| 68 | + |
| 69 | + it('preserves per-message ordering via timestamp', async () => { |
| 70 | + await appendCopilotChatMessages('chat-1', [userMsg, assistantMsg]) |
| 71 | + const rows = dbChainMockFns.values.mock.calls[0][0] |
| 72 | + expect(rows[0].createdAt.getTime()).toBeLessThan(rows[1].createdAt.getTime()) |
| 73 | + }) |
| 74 | + |
| 75 | + it('passes chatModel and streamId options to every row', async () => { |
| 76 | + await appendCopilotChatMessages('chat-1', [userMsg, assistantMsg], { |
| 77 | + chatModel: 'claude-sonnet-4-5', |
| 78 | + streamId: 'stream-xyz', |
| 79 | + }) |
| 80 | + |
| 81 | + const rows = dbChainMockFns.values.mock.calls[0][0] |
| 82 | + expect(rows[0].model).toBe('claude-sonnet-4-5') |
| 83 | + expect(rows[0].streamId).toBe('stream-xyz') |
| 84 | + expect(rows[1].model).toBe('claude-sonnet-4-5') |
| 85 | + expect(rows[1].streamId).toBe('stream-xyz') |
| 86 | + }) |
| 87 | + |
| 88 | + it('uses ON CONFLICT DO UPDATE with chat_id + message_id target', async () => { |
| 89 | + await appendCopilotChatMessages('chat-1', [userMsg]) |
| 90 | + |
| 91 | + expect(dbChainMockFns.onConflictDoUpdate).toHaveBeenCalledTimes(1) |
| 92 | + const conflictArg = dbChainMockFns.onConflictDoUpdate.mock.calls[0][0] |
| 93 | + expect(conflictArg.target).toHaveLength(2) |
| 94 | + expect(conflictArg.set).toHaveProperty('content') |
| 95 | + expect(conflictArg.set).toHaveProperty('role') |
| 96 | + expect(conflictArg.set).toHaveProperty('model') |
| 97 | + expect(conflictArg.set).toHaveProperty('streamId') |
| 98 | + expect(conflictArg.set).toHaveProperty('updatedAt') |
| 99 | + }) |
| 100 | + |
| 101 | + it('swallows DB errors so the legacy JSONB write stays canonical', async () => { |
| 102 | + dbChainMockFns.onConflictDoUpdate.mockRejectedValueOnce(new Error('connection lost')) |
| 103 | + |
| 104 | + await expect(appendCopilotChatMessages('chat-1', [userMsg])).resolves.toBeUndefined() |
| 105 | + }) |
| 106 | + }) |
| 107 | + |
| 108 | + describe('replaceCopilotChatMessages', () => { |
| 109 | + it('deletes all chat rows when given an empty snapshot', async () => { |
| 110 | + await replaceCopilotChatMessages('chat-1', []) |
| 111 | + |
| 112 | + expect(dbChainMockFns.transaction).toHaveBeenCalledTimes(1) |
| 113 | + expect(dbChainMockFns.delete).toHaveBeenCalledTimes(1) |
| 114 | + expect(dbChainMockFns.insert).not.toHaveBeenCalled() |
| 115 | + }) |
| 116 | + |
| 117 | + it('deletes only rows whose message_id is not in the new snapshot, then upserts', async () => { |
| 118 | + await replaceCopilotChatMessages('chat-1', [userMsg, assistantMsg]) |
| 119 | + |
| 120 | + expect(dbChainMockFns.delete).toHaveBeenCalledTimes(1) |
| 121 | + expect(dbChainMockFns.insert).toHaveBeenCalledTimes(1) |
| 122 | + |
| 123 | + const rows = dbChainMockFns.values.mock.calls[0][0] |
| 124 | + expect(rows).toHaveLength(2) |
| 125 | + expect(rows.map((r: { messageId: string }) => r.messageId)).toEqual([ |
| 126 | + 'msg-user-1', |
| 127 | + 'msg-asst-1', |
| 128 | + ]) |
| 129 | + |
| 130 | + expect(dbChainMockFns.onConflictDoUpdate).toHaveBeenCalledTimes(1) |
| 131 | + const conflictArg = dbChainMockFns.onConflictDoUpdate.mock.calls[0][0] |
| 132 | + expect(conflictArg.set).toHaveProperty('streamId') |
| 133 | + expect(conflictArg.set).toHaveProperty('model') |
| 134 | + }) |
| 135 | + |
| 136 | + it('passes chatModel to every row in the snapshot', async () => { |
| 137 | + await replaceCopilotChatMessages('chat-1', [userMsg], { |
| 138 | + chatModel: 'gpt-4o-mini', |
| 139 | + }) |
| 140 | + |
| 141 | + const rows = dbChainMockFns.values.mock.calls[0][0] |
| 142 | + expect(rows[0].model).toBe('gpt-4o-mini') |
| 143 | + }) |
| 144 | + |
| 145 | + it('swallows DB errors so the legacy JSONB write stays canonical', async () => { |
| 146 | + dbChainMockFns.transaction.mockRejectedValueOnce(new Error('tx aborted')) |
| 147 | + |
| 148 | + await expect(replaceCopilotChatMessages('chat-1', [userMsg])).resolves.toBeUndefined() |
| 149 | + }) |
| 150 | + }) |
| 151 | +}) |
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