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import { MemoryAgentStateStore } from './agent-state-memory';
import { hashAgentPayload, type AgentArtifactRecord } from './agent-state-store';
import type { FeedbackRecord } from './feedback-store';
import assert from 'node:assert/strict';
import crypto from 'node:crypto';
import { access, mkdir, rm, writeFile } from 'node:fs/promises';
import path from 'node:path';
import { describe, it } from 'node:test';
describe('MemoryAgentStateStore', () => {
it('acquires, completes, and replays idempotent requests', async () => {
const store = new MemoryAgentStateStore();
await store.init();
const requestJson = { prompt: 'memory image' };
const requestHash = hashAgentPayload(requestJson);
const begin = await store.beginRequest({
idempotencyKey: 'idem-memory-ok',
requestHash,
mode: 'generate',
requestJson,
leaseMs: 1000,
ttlSeconds: 60,
now: new Date('2026-05-12T00:00:00.000Z')
});
assert.equal(begin.type, 'acquired');
if (begin.type !== 'acquired') throw new Error('expected acquired');
const response: AgentImageResponse = {
request_id: begin.record.requestId,
idempotency_key: 'idem-memory-ok',
cached: false,
images: [],
created_at: '2026-05-12T00:00:00.500Z'
};
const artifact = buildArtifact({ id: 'artifact-memory-ok', requestId: begin.record.requestId });
await store.completeRequest({
requestId: begin.record.requestId,
response,
artifacts: [artifact],
now: new Date('2026-05-12T00:00:00.500Z')
});
const replay = await store.beginRequest({
idempotencyKey: 'idem-memory-ok',
requestHash,
mode: 'generate',
requestJson,
leaseMs: 1000,
ttlSeconds: 60,
now: new Date('2026-05-12T00:00:01.000Z')
});
assert.equal(replay.type, 'replay');
if (replay.type !== 'replay') throw new Error('expected replay');
assert.deepEqual(replay.response, response);
assert.deepEqual(await store.getArtifact('artifact-memory-ok'), artifact);
});
it('recovers expired running requests with artifact metadata as succeeded', async () => {
const store = new MemoryAgentStateStore();
await store.init();
const requestJson = { prompt: 'memory recovery' };
const requestHash = hashAgentPayload(requestJson);
const begin = await store.beginRequest({
idempotencyKey: 'idem-memory-recovery',
requestHash,
mode: 'generate',
requestJson,
leaseMs: 100,
ttlSeconds: 60,
now: new Date('2026-05-12T00:00:00.000Z')
});
assert.equal(begin.type, 'acquired');
if (begin.type !== 'acquired') throw new Error('expected acquired');
await store.saveArtifacts([
buildArtifact({ id: 'artifact-memory-recovery', requestId: begin.record.requestId })
]);
const recovered = await store.recoverExpiredRequests(new Date('2026-05-12T00:00:01.000Z'));
const replay = await store.beginRequest({
idempotencyKey: 'idem-memory-recovery',
requestHash,
mode: 'generate',
requestJson,
leaseMs: 100,
ttlSeconds: 60,
now: new Date('2026-05-12T00:00:02.000Z')
});
assert.equal(recovered, 1);
assert.equal(replay.type, 'replay');
});
it('keeps refreshed running requests out of recovery', async () => {
const store = new MemoryAgentStateStore();
await store.init();
const requestJson = { prompt: 'memory lease refresh' };
const requestHash = hashAgentPayload(requestJson);
const begin = await store.beginRequest({
idempotencyKey: 'idem-memory-refresh',
requestHash,
mode: 'generate',
requestJson,
leaseMs: 100,
ttlSeconds: 60,
now: new Date('2026-05-12T00:00:00.000Z')
});
assert.equal(begin.type, 'acquired');
if (begin.type !== 'acquired') throw new Error('expected acquired');
assert.equal(
await store.refreshRequestLease({
requestId: begin.record.requestId,
leaseMs: 1000,
now: new Date('2026-05-12T00:00:00.050Z')
}),
true
);
assert.equal(await store.recoverExpiredRequests(new Date('2026-05-12T00:00:00.200Z')), 0);
const retry = await store.beginRequest({
idempotencyKey: 'idem-memory-refresh',
requestHash,
mode: 'generate',
requestJson,
leaseMs: 100,
ttlSeconds: 60,
now: new Date('2026-05-12T00:00:00.200Z')
});
assert.equal(retry.type, 'in_progress');
});
it('rejects artifact metadata for unknown requests', async () => {
const store = new MemoryAgentStateStore();
await store.init();
await assert.rejects(
() => store.saveArtifacts([buildArtifact({ id: 'artifact-memory-orphan', requestId: 'missing-request' })]),
/FOREIGN KEY/
);
});
it('lists sorted artifact filepaths for cleanup protection', async () => {
const store = new MemoryAgentStateStore();
await store.init();
const requestJson = { prompt: 'memory cleanup protection' };
const begin = await store.beginRequest({
idempotencyKey: 'idem-memory-cleanup-protection',
requestHash: hashAgentPayload(requestJson),
mode: 'generate',
requestJson,
leaseMs: 1000,
ttlSeconds: 60
});
assert.equal(begin.type, 'acquired');
if (begin.type !== 'acquired') throw new Error('expected acquired');
const firstPath = path.join(process.cwd(), 'generated-images', 'cleanup-a.png');
const secondPath = path.join(process.cwd(), 'generated-images', 'cleanup-b.png');
await store.saveArtifacts([
buildArtifact({
id: 'artifact-memory-cleanup-b',
requestId: begin.record.requestId,
filepath: secondPath
}),
buildArtifact({
id: 'artifact-memory-cleanup-a',
requestId: begin.record.requestId,
filepath: firstPath
})
]);
assert.deepEqual(await store.listArtifactFilepaths(), [firstPath, secondPath]);
});
it('upserts and reads result feedback for page requests', async () => {
const store = new MemoryAgentStateStore();
await store.init();
const first: FeedbackRecord = {
targetType: 'page_request',
targetId: 'web-feedback-request',
value: 'usable',
note: 'first mark',
source: 'webui',
updatedAt: '2026-05-12T00:00:00.000Z'
};
const second: FeedbackRecord = {
...first,
value: 'needs_revision',
note: 'needs copy changes',
updatedAt: '2026-05-12T00:01:00.000Z'
};
await store.upsertFeedbackBatch([first, second, { ...first, note: 'stale retry' }]);
assert.deepEqual(await store.readFeedback('page_request', 'web-feedback-request'), second);
assert.deepEqual(
await store.listFeedbackByTargets([{ targetType: 'page_request', targetId: 'web-feedback-request' }]),
[second]
);
assert.equal(
await store.deleteFeedbackByTargets([{ targetType: 'page_request', targetId: 'web-feedback-request' }], {
deletedAt: '2026-05-12T00:00:30.000Z'
}),
0
);
assert.deepEqual(await store.readFeedback('page_request', 'web-feedback-request'), second);
assert.equal(
await store.deleteFeedbackByTargets([{ targetType: 'page_request', targetId: 'web-feedback-request' }]),
1
);
assert.equal(await store.readFeedback('page_request', 'web-feedback-request'), undefined);
});
it('purges expired terminal requests and their artifact files', async () => {
const store = new MemoryAgentStateStore();
await store.init();
const tempDir = path.join(process.cwd(), 'generated-images', '.memory-purge-test', crypto.randomUUID());
const artifactPath = path.join(tempDir, 'artifact.png');
await mkdir(tempDir, { recursive: true });
await writeFile(artifactPath, 'image');
const requestJson = { prompt: 'memory purge' };
const requestHash = hashAgentPayload(requestJson);
const begin = await store.beginRequest({
idempotencyKey: 'idem-memory-purge',
requestHash,
mode: 'generate',
requestJson,
leaseMs: 1000,
ttlSeconds: 1,
now: new Date('2026-05-12T00:00:00.000Z')
});
assert.equal(begin.type, 'acquired');
if (begin.type !== 'acquired') throw new Error('expected acquired');
const artifact = buildArtifact({
id: 'artifact-memory-purge',
requestId: begin.record.requestId,
filepath: artifactPath
});
const response: AgentImageResponse = {
request_id: begin.record.requestId,
idempotency_key: 'idem-memory-purge',
cached: false,
images: [],
created_at: '2026-05-12T00:00:00.500Z'
};
try {
await store.completeRequest({
requestId: begin.record.requestId,
response,
artifacts: [artifact],
now: new Date('2026-05-12T00:00:00.500Z')
});
const purged = await store.purgeExpiredRequests(new Date('2026-05-12T00:00:02.000Z'));
assert.equal(purged, 1);
assert.equal(await store.getArtifact('artifact-memory-purge'), undefined);
await assert.rejects(() => access(artifactPath));
} finally {
await rm(tempDir, { recursive: true, force: true });
}
});
it('purges feedback rows for expired agent requests and artifacts', async () => {
const store = new MemoryAgentStateStore();
await store.init();
const requestJson = { prompt: 'memory feedback purge' };
const begin = await store.beginRequest({
idempotencyKey: 'idem-memory-feedback-purge',
requestHash: hashAgentPayload(requestJson),
mode: 'generate',
requestJson,
leaseMs: 1000,
ttlSeconds: 1,
now: new Date('2026-05-12T00:00:00.000Z')
});
assert.equal(begin.type, 'acquired');
if (begin.type !== 'acquired') throw new Error('expected acquired');
const artifact = buildArtifact({ id: 'artifact-memory-feedback-purge', requestId: begin.record.requestId });
await store.completeRequest({
requestId: begin.record.requestId,
response: {
request_id: begin.record.requestId,
idempotency_key: 'idem-memory-feedback-purge',
cached: false,
images: [],
created_at: '2026-05-12T00:00:00.500Z'
},
artifacts: [artifact],
now: new Date('2026-05-12T00:00:00.500Z')
});
await store.upsertFeedback({
targetType: 'agent_request',
targetId: begin.record.requestId,
value: 'usable',
source: 'agent',
updatedAt: '2026-05-12T00:00:00.600Z'
});
await store.upsertFeedback({
targetType: 'agent_artifact',
targetId: artifact.id,
value: 'needs_revision',
source: 'agent',
updatedAt: '2026-05-12T00:00:00.700Z'
});
assert.equal(await store.purgeExpiredRequests(new Date('2026-05-12T00:00:02.000Z')), 1);
assert.equal(await store.readFeedback('agent_request', begin.record.requestId), undefined);
assert.equal(await store.readFeedback('agent_artifact', artifact.id), undefined);
});
it('deletes artifact feedback when deleting artifact metadata', async () => {
const store = new MemoryAgentStateStore();
await store.init();
const requestJson = { prompt: 'memory artifact feedback delete' };
const begin = await store.beginRequest({
idempotencyKey: 'idem-memory-artifact-feedback-delete',
requestHash: hashAgentPayload(requestJson),
mode: 'generate',
requestJson,
leaseMs: 1000,
ttlSeconds: 60
});
assert.equal(begin.type, 'acquired');
if (begin.type !== 'acquired') throw new Error('expected acquired');
const artifact = buildArtifact({ id: 'artifact-memory-feedback-delete', requestId: begin.record.requestId });
await store.saveArtifacts([artifact]);
await store.upsertFeedback({
targetType: 'agent_artifact',
targetId: artifact.id,
value: 'usable',
source: 'agent',
updatedAt: '2026-05-12T00:00:00.000Z'
});
assert.equal(await store.deleteArtifact(artifact.id), true);
assert.equal(await store.readFeedback('agent_artifact', artifact.id), undefined);
});
it('does not replace a different artifact row when filename collides', async () => {
const store = new MemoryAgentStateStore();
await store.init();
const beginA = await store.beginRequest({
idempotencyKey: 'idem-memory-collision-a',
requestHash: hashAgentPayload({ prompt: 'collision a' }),
mode: 'generate',
requestJson: { prompt: 'collision a' },
leaseMs: 1000,
ttlSeconds: 60
});
const beginB = await store.beginRequest({
idempotencyKey: 'idem-memory-collision-b',
requestHash: hashAgentPayload({ prompt: 'collision b' }),
mode: 'generate',
requestJson: { prompt: 'collision b' },
leaseMs: 1000,
ttlSeconds: 60
});
assert.equal(beginA.type, 'acquired');
assert.equal(beginB.type, 'acquired');
if (beginA.type !== 'acquired' || beginB.type !== 'acquired') throw new Error('expected acquired');
const first = buildArtifact({
id: 'artifact-memory-a',
requestId: beginA.record.requestId,
filename: 'shared.png'
});
const second = buildArtifact({
id: 'artifact-memory-b',
requestId: beginB.record.requestId,
filename: 'shared.png'
});
await store.saveArtifacts([first]);
await assert.rejects(() => store.saveArtifacts([second]), /UNIQUE/);
assert.deepEqual(await store.getArtifact('artifact-memory-a'), first);
assert.equal(await store.getArtifact('artifact-memory-b'), undefined);
});
it('rejects attempts to rewrite an existing artifact id with different metadata', async () => {
const store = new MemoryAgentStateStore();
await store.init();
const beginA = await store.beginRequest({
idempotencyKey: 'idem-memory-artifact-a',
requestHash: hashAgentPayload({ prompt: 'artifact a' }),
mode: 'generate',
requestJson: { prompt: 'artifact a' },
leaseMs: 1000,
ttlSeconds: 60
});
const beginB = await store.beginRequest({
idempotencyKey: 'idem-memory-artifact-b',
requestHash: hashAgentPayload({ prompt: 'artifact b' }),
mode: 'generate',
requestJson: { prompt: 'artifact b' },
leaseMs: 1000,
ttlSeconds: 60
});
assert.equal(beginA.type, 'acquired');
assert.equal(beginB.type, 'acquired');
if (beginA.type !== 'acquired' || beginB.type !== 'acquired') throw new Error('expected acquired');
const first = buildArtifact({
id: 'artifact-memory-stable',
requestId: beginA.record.requestId,
filename: 'stable-a.png'
});
const rewritten = buildArtifact({
id: 'artifact-memory-stable',
requestId: beginB.record.requestId,
filename: 'stable-b.png'
});
await store.saveArtifacts([first]);
await assert.rejects(() => store.saveArtifacts([rewritten]), /artifact metadata conflict/);
assert.deepEqual(await store.getArtifact('artifact-memory-stable'), first);
});
it('stores and reads image share metadata', async () => {
const store = new MemoryAgentStateStore();
await store.init();
await store.createImageShareRecord({
token: 'c'.repeat(24),
sourceFilename: 'source.png',
contentFilename: `${'c'.repeat(24)}.png`,
mimeType: 'image/png',
sizeBytes: 12,
createdAt: '2026-05-14T08:00:00.000Z',
accessCodeRequired: true,
expiresAt: '2026-05-14T09:00:00.000Z',
accessCodeSalt: 'salt',
accessCodeHash: 'hash'
});
const record = await store.readImageShareRecord('c'.repeat(24));
assert.ok(record);
assert.equal(record.sourceFilename, 'source.png');
assert.equal(record.accessCodeRequired, true);
assert.equal(record.expiresAt, '2026-05-14T09:00:00.000Z');
});
it('rejects inconsistent image share access code metadata', async () => {
const store = new MemoryAgentStateStore();
await store.init();
await assert.rejects(
() =>
store.createImageShareRecord({
token: 'f'.repeat(24),
sourceFilename: 'protected.png',
contentFilename: `${'f'.repeat(24)}.png`,
mimeType: 'image/png',
sizeBytes: 12,
createdAt: '2026-05-14T08:00:00.000Z',
accessCodeRequired: true
}),
/CHECK/
);
await assert.rejects(
() =>
store.createImageShareRecord({
token: '0'.repeat(24),
sourceFilename: 'public.png',
contentFilename: `${'0'.repeat(24)}.png`,
mimeType: 'image/png',
sizeBytes: 12,
createdAt: '2026-05-14T08:00:00.000Z',
accessCodeRequired: false,
accessCodeSalt: 'salt',
accessCodeHash: 'hash'
}),
/CHECK/
);
});
it('deletes expired image share records and lists active share records', async () => {
const store = new MemoryAgentStateStore();
await store.init();
await store.createImageShareRecord({
token: 'd'.repeat(24),
sourceFilename: 'expired.png',
contentFilename: `${'d'.repeat(24)}.png`,
mimeType: 'image/png',
sizeBytes: 12,
createdAt: '2026-05-14T08:00:00.000Z',
accessCodeRequired: false,
expiresAt: '2026-05-14T09:00:00.000Z'
});
await store.createImageShareRecord({
token: 'e'.repeat(24),
sourceFilename: 'active.png',
contentFilename: `${'e'.repeat(24)}.png`,
mimeType: 'image/png',
sizeBytes: 12,
createdAt: '2026-05-14T08:00:00.000Z',
accessCodeRequired: false,
expiresAt: '2026-05-14T10:00:00.000Z'
});
const expired = await store.deleteExpiredImageShareRecords('2026-05-14T09:00:01.000Z');
const active = await store.listImageShareRecords();
assert.deepEqual(
expired.map((record) => record.token),
['d'.repeat(24)]
);
assert.deepEqual(
active.map((record) => record.token),
['e'.repeat(24)]
);
});
});
function buildArtifact(input: {
id: string;
requestId: string;
filename?: string;
filepath?: string;
}): AgentArtifactRecord {
return {
id: input.id,
requestId: input.requestId,
filename: input.filename || `${input.id}.png`,
filepath: input.filepath || path.join(process.cwd(), 'generated-images', `${input.id}.png`),
contentUrl: `/api/agent/artifacts/${input.id}/content`,
metadataUrl: `/api/agent/artifacts/${input.id}`,
outputFormat: 'png',
mimeType: 'image/png',
sizeBytes: 1,
width: 1,
height: 1,
model: 'gpt-image-2',
promptHash: 'hash',
createdAt: '2026-05-12T00:00:00.500Z'
};
}
|