Files
mem0/mem0-ts/src/oss/tests/notices.temporal-usage.test.ts
T

595 lines
18 KiB
TypeScript

/// <reference types="jest" />
import * as fs from "fs";
import * as os from "os";
import * as path from "path";
jest.setTimeout(15000);
jest.mock("../src/embeddings/google", () => ({
GoogleEmbedder: jest.fn(),
}));
jest.mock("../src/llms/google", () => ({
GoogleLLM: jest.fn(),
}));
const mockEmbedding = new Array(1536).fill(0.1);
jest.mock("../src/embeddings/openai", () => ({
OpenAIEmbedder: jest.fn().mockImplementation(() => ({
embed: jest.fn().mockResolvedValue(mockEmbedding),
embedBatch: jest
.fn()
.mockImplementation((texts: string[]) =>
Promise.resolve(texts.map(() => mockEmbedding)),
),
embeddingDims: 1536,
})),
}));
jest.mock("../src/llms/openai", () => ({
OpenAILLM: jest.fn().mockImplementation(() => ({
generateResponse: jest.fn(),
})),
}));
const TEMPORAL_USAGE_COPY =
"This looks like a time-aware memory workflow. Mem0 Platform has temporal reasoning built in. Use `timestamp` when adding memories and `reference_date` when searching.";
function makeTempMem0Dir(): string {
return fs.mkdtempSync(path.join(os.tmpdir(), "mem0-node-temporal-usage-"));
}
function configPath(): string {
return path.join(process.env.MEM0_DIR as string, "config.json");
}
function readConfig(): Record<string, any> {
const file = configPath();
if (!fs.existsSync(file)) return {};
return JSON.parse(fs.readFileSync(file, "utf8"));
}
function writeConfig(config: Record<string, any>) {
fs.mkdirSync(path.dirname(configPath()), { recursive: true });
fs.writeFileSync(configPath(), JSON.stringify(config, null, 4));
}
function consumeFirstRun() {
writeConfig({
user_id: "node-temporal-usage-test-user",
notice_state: {
first_run: {
consumed: true,
trigger_function: "test_setup",
variant: "test",
},
},
});
}
function temporalUsagePayload(overrides: Record<string, any> = {}) {
return {
notices: {
temporal_usage: {
enabled: true,
notice_type: "log_line",
copy: TEMPORAL_USAGE_COPY,
...overrides,
},
},
};
}
function createFetchMock(options: {
variant?: string;
payload?: unknown;
failFlags?: boolean;
flagEnabled?: boolean;
}) {
const calls: any[] = [];
const fetchMock = jest.fn(async (url: string | URL, init?: RequestInit) => {
const target = String(url);
if (target.includes("/flags")) {
if (options.failFlags) {
throw new Error("flag evaluation failed");
}
const payload =
options.payload === undefined
? JSON.stringify(temporalUsagePayload())
: options.payload;
return {
ok: true,
json: jest.fn().mockResolvedValue({
flags: {
"mem0-oss-notices": {
key: "mem0-oss-notices",
enabled: options.flagEnabled ?? true,
variant: options.variant ?? "displayed",
metadata: { payload },
},
},
}),
};
}
if (target.includes("/i/v0/e/")) {
calls.push(JSON.parse(String(init?.body)));
return {
ok: true,
text: jest.fn().mockResolvedValue(""),
};
}
return {
ok: true,
json: jest.fn().mockResolvedValue({}),
text: jest.fn().mockResolvedValue(""),
};
});
return { fetchMock, calls };
}
function noticeEvents(calls: any[]) {
return calls.filter((call) => call.event === "mem0.notice_displayed");
}
function temporalUsageEvents(calls: any[]) {
return noticeEvents(calls).filter(
(call) => call.properties.notice_id === "temporal_usage",
);
}
function flagRequestCount(fetchMock: jest.Mock) {
return fetchMock.mock.calls.filter(([url]) => String(url).includes("/flags"))
.length;
}
async function createMemory() {
const { Memory } = await import("../src/memory");
return new Memory({
version: "v1.1",
embedder: {
provider: "openai",
config: { apiKey: "test-key", model: "text-embedding-3-small" },
},
vectorStore: {
provider: "memory",
config: {
collectionName: `test-temporal-usage-${Date.now()}-${Math.random()}`,
dimension: 1536,
dbPath: ":memory:",
},
},
llm: {
provider: "openai",
config: { apiKey: "test-key", model: "gpt-5-mini" },
},
historyDbPath: ":memory:",
});
}
async function addSearchSeed(memory: any, userId = "temporal-user") {
await memory.add("The user's favorite drink is green tea.", {
userId,
infer: false,
});
}
describe("Node OSS temporal usage notice", () => {
let originalMem0Dir: string | undefined;
let originalTelemetry: string | undefined;
let originalSampleRate: string | undefined;
let originalFetch: typeof global.fetch;
let stderrSpy: jest.SpyInstance;
beforeEach(() => {
originalMem0Dir = process.env.MEM0_DIR;
originalTelemetry = process.env.MEM0_TELEMETRY;
originalSampleRate = process.env.MEM0_TELEMETRY_SAMPLE_RATE;
originalFetch = global.fetch;
process.env.MEM0_DIR = makeTempMem0Dir();
process.env.MEM0_TELEMETRY = "true";
process.env.MEM0_TELEMETRY_SAMPLE_RATE = "1";
stderrSpy = jest
.spyOn(process.stderr, "write")
.mockImplementation(() => true);
jest.resetModules();
});
afterEach(() => {
if (originalMem0Dir === undefined) delete process.env.MEM0_DIR;
else process.env.MEM0_DIR = originalMem0Dir;
if (originalTelemetry === undefined) delete process.env.MEM0_TELEMETRY;
else process.env.MEM0_TELEMETRY = originalTelemetry;
if (originalSampleRate === undefined) {
delete process.env.MEM0_TELEMETRY_SAMPLE_RATE;
} else {
process.env.MEM0_TELEMETRY_SAMPLE_RATE = originalSampleRate;
}
global.fetch = originalFetch;
jest.restoreAllMocks();
jest.resetModules();
});
it("detects timestamp-like metadata after successful add", async () => {
consumeFirstRun();
const { fetchMock, calls } = createFetchMock({ variant: "displayed" });
global.fetch = fetchMock as any;
const memory = await createMemory();
const result = await memory.add("Temporal metadata memory", {
userId: "temporal-user",
infer: false,
metadata: { event_date: "2025-04-09" },
});
expect(result.results).toHaveLength(1);
expect(stderrSpy).toHaveBeenCalledWith(`${TEMPORAL_USAGE_COPY}\n`);
const notices = temporalUsageEvents(calls);
expect(notices).toHaveLength(1);
expect(notices[0].properties).toEqual(
expect.objectContaining({
notice_id: "temporal_usage",
notice_type: "log_line",
flag_key: "mem0-oss-notices",
variant: "displayed",
displayed: true,
payload: TEMPORAL_USAGE_COPY,
notice_config_found: true,
sync_type: "async",
trigger_function: "add",
trigger_source: "metadata",
trigger_reason: "date_like_metadata",
sample_rate: 1,
}),
);
expect(readConfig().notice_state.temporal_usage.events).toHaveLength(1);
});
it("emits query trigger fields after successful search", async () => {
consumeFirstRun();
const { fetchMock, calls } = createFetchMock({ variant: "displayed" });
global.fetch = fetchMock as any;
const memory = await createMemory();
await addSearchSeed(memory);
await memory.search("what happened last week?", {
filters: { user_id: "temporal-user" },
topK: 3,
});
const notices = temporalUsageEvents(calls);
expect(notices).toHaveLength(1);
expect(notices[0].properties).toEqual(
expect.objectContaining({
notice_id: "temporal_usage",
displayed: true,
trigger_function: "search",
trigger_source: "query",
trigger_reason: "relative_phrase",
}),
);
});
it("detects temporal range filters after successful search", async () => {
consumeFirstRun();
const { fetchMock, calls } = createFetchMock({ variant: "displayed" });
global.fetch = fetchMock as any;
const memory = await createMemory();
await addSearchSeed(memory);
await memory.search("favorite drink", {
filters: {
user_id: "temporal-user",
AND: [{ created_at: { gte: "2025-04-01" } }],
},
topK: 3,
});
const notices = temporalUsageEvents(calls);
expect(notices).toHaveLength(1);
expect(notices[0].properties).toEqual(
expect.objectContaining({
notice_id: "temporal_usage",
displayed: true,
trigger_function: "search",
trigger_source: "filter",
trigger_reason: "date_range_filter",
}),
);
});
it("does not evaluate for normal non-temporal add/search calls", async () => {
consumeFirstRun();
const { fetchMock, calls } = createFetchMock({ variant: "displayed" });
global.fetch = fetchMock as any;
const memory = await createMemory();
await memory.add("Normal memory", {
userId: "normal-user",
infer: false,
metadata: { category: "planning" },
});
await memory.search("favorite drink", {
filters: { user_id: "normal-user" },
topK: 3,
});
expect(flagRequestCount(fetchMock)).toBe(0);
expect(temporalUsageEvents(calls)).toHaveLength(0);
expect(readConfig().notice_state?.temporal_usage).toBeUndefined();
});
it("does not evaluate when add/search fail", async () => {
consumeFirstRun();
const { fetchMock, calls } = createFetchMock({ variant: "displayed" });
global.fetch = fetchMock as any;
const memory = await createMemory();
await expect(
memory.add("Invalid temporal metadata add", {
infer: false,
metadata: { event_date: "2025-04-09" },
} as any),
).rejects.toThrow("One of the filters");
await expect(
memory.search("what happened last week?", {
filters: {},
}),
).rejects.toThrow("filters must contain");
expect(temporalUsageEvents(calls)).toHaveLength(0);
expect(readConfig().notice_state?.temporal_usage).toBeUndefined();
});
it("is silent for holdout and emits displayed=false", async () => {
consumeFirstRun();
const { fetchMock, calls } = createFetchMock({ variant: "holdout" });
global.fetch = fetchMock as any;
const memory = await createMemory();
await memory.add("Temporal metadata memory", {
userId: "temporal-user",
infer: false,
metadata: { event_date: "2025-04-09" },
});
expect(stderrSpy).not.toHaveBeenCalled();
const notices = temporalUsageEvents(calls);
expect(notices).toHaveLength(1);
expect(notices[0].properties).toEqual(
expect.objectContaining({
notice_id: "temporal_usage",
variant: "holdout",
displayed: false,
bypass_reason: "holdout",
trigger_source: "metadata",
trigger_reason: "date_like_metadata",
}),
);
});
it.each([
[
"disabled payload",
JSON.stringify(temporalUsagePayload({ enabled: false })),
"payload_disabled",
],
[
"missing config",
JSON.stringify({ notices: {} }),
"missing_notice_config",
],
[
"missing copy",
JSON.stringify(temporalUsagePayload({ copy: "" })),
"missing_copy",
],
["malformed payload", "{not-json", "missing_notice_config"],
])("is silent and safe for %s", async (_label, payload, bypassReason) => {
consumeFirstRun();
const { fetchMock, calls } = createFetchMock({
variant: "displayed",
payload,
});
global.fetch = fetchMock as any;
const memory = await createMemory();
await memory.add("Temporal metadata memory", {
userId: "temporal-user",
infer: false,
metadata: { event_date: "2025-04-09" },
});
expect(stderrSpy).not.toHaveBeenCalled();
const notices = temporalUsageEvents(calls);
expect(notices).toHaveLength(1);
expect(notices[0].properties).toEqual(
expect.objectContaining({
notice_id: "temporal_usage",
displayed: false,
bypass_reason: bypassReason,
}),
);
});
it("does not consume cap or emit when the blunt flag is disabled", async () => {
consumeFirstRun();
const { fetchMock, calls } = createFetchMock({
variant: "displayed",
flagEnabled: false,
});
global.fetch = fetchMock as any;
const memory = await createMemory();
await memory.add("Temporal metadata memory", {
userId: "temporal-user",
infer: false,
metadata: { event_date: "2025-04-09" },
});
expect(temporalUsageEvents(calls)).toHaveLength(0);
expect(readConfig().notice_state?.temporal_usage).toBeUndefined();
});
it("does not consume cap or emit when PostHog fails", async () => {
consumeFirstRun();
const { fetchMock, calls } = createFetchMock({ failFlags: true });
global.fetch = fetchMock as any;
const memory = await createMemory();
await memory.add("Temporal metadata memory", {
userId: "temporal-user",
infer: false,
metadata: { event_date: "2025-04-09" },
});
expect(temporalUsageEvents(calls)).toHaveLength(0);
expect(readConfig().notice_state?.temporal_usage).toBeUndefined();
});
it("does nothing when telemetry is off", async () => {
process.env.MEM0_TELEMETRY = "False";
jest.resetModules();
const { fetchMock, calls } = createFetchMock({ variant: "displayed" });
global.fetch = fetchMock as any;
const memory = await createMemory();
await memory.add("Temporal metadata memory", {
userId: "temporal-user",
infer: false,
metadata: { event_date: "2025-04-09" },
});
expect(fetchMock).not.toHaveBeenCalled();
expect(temporalUsageEvents(calls)).toHaveLength(0);
expect(readConfig().notice_state).toBeUndefined();
});
it("caps evaluated opportunities at 10 per rolling week", async () => {
consumeFirstRun();
const { fetchMock, calls } = createFetchMock({ variant: "displayed" });
global.fetch = fetchMock as any;
const memory = await createMemory();
await addSearchSeed(memory);
for (let index = 1; index <= 11; index++) {
await memory.search(`what happened last week ${index}?`, {
filters: { user_id: "temporal-user" },
topK: 3,
});
}
expect(temporalUsageEvents(calls)).toHaveLength(10);
expect(flagRequestCount(fetchMock)).toBe(10);
expect(readConfig().notice_state.temporal_usage.events).toHaveLength(10);
expect(stderrSpy).toHaveBeenCalledTimes(10);
});
it("does not consume first-run on the same qualifying temporal usage call", async () => {
const { fetchMock, calls } = createFetchMock({ variant: "displayed" });
global.fetch = fetchMock as any;
const memory = await createMemory();
await memory.add("Temporal metadata memory", {
userId: "temporal-user",
infer: false,
metadata: { event_date: "2025-04-09" },
});
expect(readConfig().notice_state.first_run).toBeUndefined();
await memory.add("Normal follow-up memory", {
userId: "temporal-user",
infer: false,
});
const notices = noticeEvents(calls);
expect(notices.map((call) => call.properties.notice_id)).toEqual([
"temporal_usage",
"first_run",
]);
expect(readConfig().notice_state.first_run.consumed).toBe(true);
});
it("does not include raw query, metadata, or filter values in telemetry props", async () => {
consumeFirstRun();
const { fetchMock, calls } = createFetchMock({ variant: "displayed" });
global.fetch = fetchMock as any;
const memory = await createMemory();
await addSearchSeed(memory);
await memory.search("private trip since 2025-04-09", {
filters: {
user_id: "temporal-user",
created_at: { gte: "2025-04-09" },
},
topK: 3,
});
const props = temporalUsageEvents(calls)[0].properties;
const serialized = JSON.stringify(props);
expect(serialized).not.toContain("private trip");
expect(serialized).not.toContain("2025-04-09");
expect(serialized).not.toContain("temporal-user");
});
it("detects expected query, metadata, and filter cases conservatively", async () => {
const { __noticeTestHooks } = await import("../src/utils/notices");
expect(
__noticeTestHooks.detectTemporalUsageFromSearch("notes from today", null),
).toEqual({ triggerSource: "query", triggerReason: "relative_phrase" });
expect(
__noticeTestHooks.detectTemporalUsageFromSearch(
"notes from 2025-04-09",
null,
),
).toEqual({ triggerSource: "query", triggerReason: "date_like_query" });
expect(
__noticeTestHooks.detectTemporalUsageFromMetadata({
event_date: "2025-04-09",
}),
).toEqual({
triggerSource: "metadata",
triggerReason: "date_like_metadata",
});
expect(
__noticeTestHooks.detectTemporalUsageFromSearch("favorite drink", {
AND: [{ created_at: { gte: "2025-04-01" } }],
}),
).toEqual({ triggerSource: "filter", triggerReason: "date_range_filter" });
expect(
__noticeTestHooks.detectTemporalUsageFromSearch("favorite drink", null),
).toBeNull();
expect(
__noticeTestHooks.detectTemporalUsageFromMetadata({
category: "planning",
}),
).toBeNull();
});
it("detectors never raise for cyclic metadata or filters", async () => {
const { __noticeTestHooks } = await import("../src/utils/notices");
const metadata: Record<string, any> = {};
metadata.self = metadata;
const filters: Record<string, any> = {};
filters.AND = [filters];
expect(
__noticeTestHooks.detectTemporalUsageFromMetadata(metadata),
).toBeNull();
expect(
__noticeTestHooks.detectTemporalUsageFromSearch(
"favorite drink",
filters,
),
).toBeNull();
});
});