test: keep Codecov coverage on real agent communication paths (#374)

* test: keep Codecov coverage on real agent communication paths

PR #369 was merged before the final Codecov coverage fix landed, so this follow-up carries only the incremental real-path tests needed on top of main. The tests exercise AgentSummary lifecycle branches, mailbox fail-closed behavior, UDS client connection failure through a real capability file, and UDS response-reader framing without mock.module, warning suppression, feature fallback, or production-code churn.

Constraint: PR #369 is already merged; this branch must contain only the incremental Codecov repair on top of latest main

Rejected: Reopen or keep pushing the merged PR branch | merged PR refs do not update and would leave Codecov stale

Rejected: Mock bun:bundle or hide warnings | would reintroduce cross-test pollution and pseudo coverage

Rejected: Keep unrelated SendMessageTool production diff | it created avoidable patch-coverage debt without improving the runtime path

Confidence: high

Scope-risk: narrow

Directive: Keep these coverage tests on real paths; do not replace them with output suppression or feature-flag mocks

Tested: bunx tsc --noEmit --pretty false

Tested: bun run lint

Tested: bun test src\utils\__tests__\teammateMailbox.test.ts

Tested: bun test src\services\AgentSummary\__tests__\agentSummary.test.ts src\services\AgentSummary\__tests__\summaryContext.test.ts src\utils\__tests__\teammateMailbox.test.ts src\utils\__tests__\udsMessaging.test.ts src\utils\__tests__\udsResponseReader.test.ts packages\builtin-tools\src\tools\SendMessageTool\__tests__\udsRecipientSanitization.test.ts

Tested: bun run test:all

Tested: bun test --coverage --coverage-reporter lcov --coverage-dir coverage

Tested: bun run build

Tested: bun run build:vite

Tested: bun audit

Tested: git diff --check

Tested: Claude simplify review GO (.omx/artifacts/claude-simplify-codecov-20260427-1521.md)

Tested: Claude security review GO (.omx/artifacts/claude-security-codecov-20260427-1522.md)

Not-tested: GitHub-hosted Codecov upload after this amended commit until PR checks rerun

* test: keep review assertions tied to real failure paths

CodeRabbit flagged three non-blocking but valid review gaps: platform-specific mailbox errno checks, brittle UDS connection-failure message assertions, and missing AgentSummary reschedule proof after fork errors. This keeps the fixes narrow by tightening the affected assertions and adding a structured UDS connection error for tests to assert behavior instead of prose.

Constraint: PR #374 is a review follow-up and must not hide warnings, skip tests, or merge the PR.

Rejected: Matching the UDS failure message literal | preserves the brittle coupling CodeRabbit flagged.

Rejected: Asserting only that mailbox writes throw | would allow unrelated pre-path failures to pass.

Confidence: high

Scope-risk: narrow

Directive: Keep UDS connection-failure tests on structured error data, not display wording.

Tested: bun test src/services/AgentSummary/__tests__/agentSummary.test.ts src/utils/__tests__/teammateMailbox.test.ts src/utils/__tests__/udsMessaging.test.ts

Tested: bunx tsc --noEmit --pretty false

Tested: bun run lint

Tested: bun run test:all

Tested: bun test --coverage --coverage-reporter lcov --coverage-dir coverage

Tested: bun run build

Tested: bun run build:vite

Not-tested: GitHub-hosted CodeRabbit refresh until pushed.

* test: remove brittle review follow-up assumptions

CodeRabbit's second pass found two valid brittleness issues and one suggested callback-reference assertion that would not match production behavior. This keeps the production behavior unchanged: timers still schedule the summarizer closure, tests now assert timer-handle identity, and UDS connection errors use native Error.cause instead of shadowing it.

Constraint: Do not manufacture behavior just to satisfy a review hint; assertions must match the real AgentSummary scheduling contract.

Rejected: Assert a fresh scheduled callback function | scheduleNext intentionally passes the same runSummary closure each time.

Rejected: Store a custom cause field on UdsPeerConnectionError | native Error.cause is available under ESNext/Bun.

Confidence: high

Scope-risk: narrow

Directive: Timer tests should assert returned handle identity for ownership, not incidental numeric values.

Tested: bun test src/services/AgentSummary/__tests__/agentSummary.test.ts src/utils/__tests__/udsMessaging.test.ts

Tested: bunx tsc --noEmit --pretty false

Tested: bun run lint

Tested: bun run test:all

Tested: bun test --coverage --coverage-reporter lcov --coverage-dir coverage

Tested: bun run build

Tested: bun run build:vite

Not-tested: GitHub-hosted CodeRabbit refresh until pushed.

* test: enforce structured UDS timeout failures

CodeRabbit's follow-up surfaced a real consistency gap: UDS send socket errors used UdsPeerConnectionError while response timeouts still rejected a generic Error. Timeouts now use the same structured peer failure contract, and the test exercises that path through a short explicit timeout instead of waiting for the production default.

The AgentSummary unchanged-fingerprint test now also asserts that the second unchanged tick does not log errors, preserving the existing behavior checks without changing production scheduling semantics.

Constraint: Keep the production timeout default at 5000ms while allowing tests to exercise the timeout path quickly.

Rejected: Leave timeout failures as generic Error | callers would need separate handling for the same peer connection failure class.

Confidence: high

Scope-risk: narrow

Directive: Keep UDS send timeout and socket-error branches on the same structured error contract.

Tested: bun test src/services/AgentSummary/__tests__/agentSummary.test.ts src/utils/__tests__/udsMessaging.test.ts

Tested: bunx tsc --noEmit --pretty false

Tested: bun run lint

Tested: bun run test:all

Tested: bun test --coverage --coverage-reporter lcov --coverage-dir coverage

Tested: bun run build

Tested: bun run build:vite

Not-tested: GitHub-hosted CodeRabbit refresh until pushed.

---------

Co-authored-by: unraid <local@unraid.local>
This commit is contained in:
Dosion
2026-04-27 16:22:13 +08:00
committed by GitHub
parent a65df4a102
commit b47731a3f3
6 changed files with 324 additions and 55 deletions

View File

@@ -1,9 +1,10 @@
import { afterEach, beforeEach, describe, expect, test } from 'bun:test'
import { mkdir, readFile, rm, writeFile } from 'node:fs/promises'
import { mkdir, readFile, rm, stat, writeFile } from 'node:fs/promises'
import { mkdtempSync } from 'node:fs'
import { tmpdir } from 'node:os'
import { dirname, join } from 'node:path'
import type { Message } from 'src/types/message.js'
import { getErrnoCode } from 'src/utils/errors.js'
import {
compactMailboxMessages,
getLastPeerDmSummary,
@@ -171,6 +172,17 @@ describe('compactMailboxMessages', () => {
expect(compacted).toEqual([])
})
test('returns an empty mailbox when all retention lanes are disabled', () => {
const compacted = compactMailboxMessages([message('unread', false)], {
maxMessages: 0,
maxReadMessages: 0,
maxUnreadProtocolMessages: 0,
maxRetainedBytes: 1_000,
})
expect(compacted).toEqual([])
})
})
describe('teammate mailbox retention', () => {
@@ -331,6 +343,32 @@ describe('teammate mailbox retention', () => {
expect(await readFile(inboxPath, 'utf-8')).toBe('{not-json')
})
test('writeToMailbox rejects when the inbox path is already a directory', async () => {
const inboxPath = getInboxPath('worker', 'alpha')
await mkdir(inboxPath, { recursive: true })
const error = await writeToMailbox(
'worker',
{
from: 'team-lead',
text: 'new',
timestamp: new Date(5).toISOString(),
},
'alpha',
).then(
() => undefined,
err => err,
)
const code = getErrnoCode(error)
expect(code).toBeDefined()
if (code === undefined) {
throw new Error('Expected filesystem errno code')
}
expect(['EISDIR', 'EPERM', 'EACCES']).toContain(code)
expect((await stat(inboxPath)).isDirectory()).toBe(true)
})
test('readMailbox fails closed on corrupt mailbox content', async () => {
const inboxPath = getInboxPath('worker', 'alpha')
await mkdir(dirname(inboxPath), { recursive: true })

View File

@@ -11,7 +11,7 @@ import {
writeFile,
} from 'node:fs/promises'
import { createHash } from 'node:crypto'
import { createConnection, createServer } from 'node:net'
import { createConnection, createServer, type Socket } from 'node:net'
import { dirname, join } from 'node:path'
import { tmpdir } from 'node:os'
import {
@@ -217,6 +217,90 @@ describe('UDS inbox retention', () => {
)
})
test('udsClient send reports connection failures without leaking token state', async () => {
const path = socketPath('uds-client-connect-error')
const capabilityDir = join(tempConfigDir, 'messaging-capabilities')
const capabilityName = `${createHash('sha256').update(path).digest('hex')}.json`
await mkdir(capabilityDir, { recursive: true, mode: 0o700 })
await writeFile(
join(capabilityDir, capabilityName),
JSON.stringify({ socketPath: path, authToken: 'test-token' }),
'utf-8',
)
const { sendToUdsSocket, UdsPeerConnectionError } = await import(
'../udsClient.js'
)
const error = await sendToUdsSocket(path, 'hello').then(
() => undefined,
err => err,
)
expect(error).toBeInstanceOf(UdsPeerConnectionError)
if (!(error instanceof UdsPeerConnectionError)) {
throw new Error('Expected UDS peer connection error')
}
expect(error.socketPath).toBe(path)
expect(error.message).not.toContain('test-token')
})
test('udsClient send reports response timeouts as peer connection errors', async () => {
const path = socketPath('uds-client-timeout')
const capabilityDir = join(tempConfigDir, 'messaging-capabilities')
const capabilityName = `${createHash('sha256').update(path).digest('hex')}.json`
await mkdir(capabilityDir, { recursive: true, mode: 0o700 })
await writeFile(
join(capabilityDir, capabilityName),
JSON.stringify({ socketPath: path, authToken: 'test-token' }),
'utf-8',
)
if (process.platform !== 'win32') {
await mkdir(dirname(path), { recursive: true })
}
const sockets = new Set<Socket>()
const receiver = createServer(socket => {
sockets.add(socket)
socket.on('close', () => {
sockets.delete(socket)
})
socket.on('data', () => undefined)
})
await new Promise<void>((resolve, reject) => {
receiver.on('error', reject)
receiver.listen(path, () => resolve())
})
try {
const { sendToUdsSocket, UdsPeerConnectionError } = await import(
'../udsClient.js'
)
const error = await sendToUdsSocket(path, 'hello', 50).then(
() => undefined,
err => err,
)
expect(error).toBeInstanceOf(UdsPeerConnectionError)
if (!(error instanceof UdsPeerConnectionError)) {
throw new Error('Expected UDS peer connection timeout error')
}
expect(error.socketPath).toBe(path)
expect(error.cause).toBeInstanceOf(Error)
if (!(error.cause instanceof Error)) {
throw new Error('Expected timeout cause')
}
expect(error.cause.message).toBe('Connection timed out')
expect(error.message).not.toContain('test-token')
} finally {
for (const socket of sockets) {
socket.destroy()
}
await closeServer(receiver)
if (process.platform !== 'win32') {
await unlink(path).catch(() => undefined)
}
}
})
test('sendUdsMessage fails closed before connecting without an auth token', async () => {
await expect(
sendUdsMessage(socketPath('no-auth-token'), { type: 'text', data: 'x' }),

View File

@@ -97,6 +97,28 @@ describe('attachUdsResponseReader', () => {
expect(socket.ended).toBe(true)
})
test('continues scanning when blank and valid frames share one chunk', () => {
const socket = new FakeSocket()
let settled = false
let settledError: Error | undefined
attachUdsResponseReader(asSocket(socket), {
maxFrameBytes: 128,
onSettled: error => {
settled = true
settledError = error
},
})
socket.emitData(
Buffer.from(`\n${JSON.stringify({ type: 'response' })}\n`),
)
expect(settled).toBe(true)
expect(settledError).toBeUndefined()
expect(socket.ended).toBe(true)
})
test('rejects receiver error frames', () => {
const socket = new FakeSocket()
let settledError: Error | undefined
@@ -116,6 +138,31 @@ describe('attachUdsResponseReader', () => {
expect(socket.destroyed).toBe(true)
})
test('ignores unrelated receiver frames until a terminal response arrives', () => {
const socket = new FakeSocket()
let settled = false
let settledError: Error | undefined
attachUdsResponseReader(asSocket(socket), {
maxFrameBytes: 128,
onSettled: error => {
settled = true
settledError = error
},
})
socket.emitData(
Buffer.from(
`${JSON.stringify({ type: 'notification', data: 'queued' })}\n`,
),
)
expect(settled).toBe(false)
socket.emitData(Buffer.from(`${JSON.stringify({ type: 'response' })}\n`))
expect(settled).toBe(true)
expect(settledError).toBeUndefined()
})
test('uses custom socket error formatting', () => {
const socket = new FakeSocket()
let settledError: Error | undefined