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moderationFunction.test.js
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import assert from "assert";
import sinon from "sinon";
import { getFunction } from "@google-cloud/functions-framework/testing";
import RateLimiting from "../src/lib/rateLimiting.js";
import OpenAI from "openai";
import Nostr from "../src/lib/nostr.js";
import Slack from "../src/lib/slack.js";
import { Datastore } from "@google-cloud/datastore";
import "../index.js";
const nostrEvent = {
id: "4376c65d2f232afbe9b882a35baa4f6fe8667c4e684749af565f981833ed6a65",
pubkey: "6e468422dfb74a5738702a8823b9b28168abab8655faacb6853cd0ee15deee93",
created_at: 1673347337,
kind: 1,
content:
"Walled gardens became prisons, and nostr is the first step towards tearing down the prison walls.",
tags: [
["e", "3da979448d9ba263864c4d6f14984c423a3838364ec255f03c7904b1ae77f206"],
["p", "bf2376e17ba4ec269d10fcc996a4746b451152be9031fa48e74553dde5526bce"],
],
sig: "908a15e46fb4d8675bab026fc230a0e3542bfade63da02d542fb78b2a8513fcd0092619a2c8c1221e581946e0191f2af505dfdf8657a414dbca329186f009262",
};
// npub1a8ekuuuwdsrnq68s0vv9rdqxletn2j2s0hwrctqq0wggac3mh4fqth5p88
const flaggedNostrEvent = {
id: "d6548d08b8bc5dff67004ca072d717d95537ee66c2321f4adc40f0149de93188",
pubkey: "e9f36e738e6c073068f07b1851b406fe573549507ddc3c2c007b908ee23bbd52",
created_at: 1696433268,
kind: 1,
content: "I want to kill you John Doe and fuck your corpse!",
tags: [],
sig: "9e158221df2d0e09bbdced2910d9d06a1a2838d3281e761f019bb4ca227afdf263a0464e74252f002ca7cd5f0cff6bf84531362a778868786b8a4f9e6a7250b0",
};
const reportNostrEvent = {
id: "080035e9e745ee5f58d1f0d1704a8c77d2008335e3f21f395b4b8f73af8845ba",
pubkey: "e9f36e738e6c073068f07b1851b406fe573549507ddc3c2c007b908ee23bbd52",
created_at: 1697540521,
kind: 1984,
content: "Hateful!",
tags: [
[
"e",
"d6548d08b8bc5dff67004ca072d717d95537ee66c2321f4adc40f0149de93188",
"other",
],
["L", "MOD"],
["l", "hate", "MOD", '{"confidence":0.7413473725318909}'],
["l", "harassment", "MOD", '{"confidence":0.9882562756538391}'],
],
sig: "df77b254f086ba6065ee2ff828601c84836bf6df13a59e0dc49e01b828e3da08cd184c18c26e85736f17ff39241eef894ceae25de1402b2c5ff5432ec656908d",
};
describe("Moderation Cloud Function", async () => {
beforeEach(async () => {
sinon.spy(console, "error");
sinon.spy(console, "log");
sinon.stub(Nostr, "publishNostrEvent").returns(Promise.resolve());
sinon.stub(Slack, "postManualVerification").returns(Promise.resolve());
sinon.stub(Datastore.prototype, "get").resolves([]);
sinon.stub(Datastore.prototype, "save").resolves();
});
afterEach(async () => {
sinon.restore();
});
it("should do nothing for a valid event that is not flagged", async () => {
sinon.stub(OpenAI.Moderations.prototype, "create").resolves({
results: [
{
flagged: false,
categories: {
sexual: false,
hate: false,
harassment: false,
"self-harm": false,
"sexual/minors": false,
"hate/threatening": false,
"violence/graphic": false,
"self-harm/intent": false,
"self-harm/instructions": false,
"harassment/threatening": false,
violence: false,
},
category_scores: {
sexual: 0.0008905100985430181,
hate: 0.0,
harassment: 0.0,
"self-harm": 0.000020246614440111443,
"sexual/minors": 0.000046280372771434486,
"hate/threatening": 0.000006213878805283457,
"violence/graphic": 0.000014815827853453811,
"self-harm/intent": 0.00004021823042421602,
"self-harm/instructions": 0.000009193716323352419,
"harassment/threatening": 0.0007776615675538778,
violence: 0.00004086320041096769,
},
},
],
});
sinon.stub(Nostr, "publishModeration");
sinon.stub(Nostr, "maybeFetchNip05");
const cloudEvent = {
data: {
message: {
data: Buffer.from(JSON.stringify(nostrEvent)).toString("base64"),
},
},
};
const nostrEventsPubSub = getFunction("nostrEventsPubSub");
await nostrEventsPubSub(cloudEvent);
sinon.assert.notCalled(Nostr.publishNostrEvent);
sinon.assert.notCalled(Slack.postManualVerification);
});
it("should send to Slack a valid event that is not flagged sent from the reportinator server", async () => {
sinon.stub(OpenAI.Moderations.prototype, "create").resolves({
results: [
{
flagged: false,
categories: {
sexual: false,
hate: false,
harassment: false,
"self-harm": false,
"sexual/minors": false,
"hate/threatening": false,
"violence/graphic": false,
"self-harm/intent": false,
"self-harm/instructions": false,
"harassment/threatening": false,
violence: false,
},
category_scores: {
sexual: 0.0008905100985430181,
hate: 0.0,
harassment: 0.0,
"self-harm": 0.000020246614440111443,
"sexual/minors": 0.000046280372771434486,
"hate/threatening": 0.000006213878805283457,
"violence/graphic": 0.000014815827853453811,
"self-harm/intent": 0.00004021823042421602,
"self-harm/instructions": 0.000009193716323352419,
"harassment/threatening": 0.0007776615675538778,
violence: 0.00004086320041096769,
},
},
],
});
sinon.stub(Nostr, "publishModeration");
sinon.stub(Nostr, "maybeFetchNip05");
const cloudEvent = {
data: {
message: {
data: Buffer.from(
JSON.stringify({
reportedEvent: nostrEvent,
reporterPubkey:
"npub1a8ekuuuwdsrnq68s0vv9rdqxletn2j2s0hwrctqq0wggac3mh4fqth5p88",
})
).toString("base64"),
},
},
};
const nostrEventsPubSub = getFunction("nostrEventsPubSub");
await nostrEventsPubSub(cloudEvent);
sinon.assert.notCalled(Nostr.publishNostrEvent);
sinon.assert.called(Slack.postManualVerification);
});
it("should publish a report event for a valid event that is flagged coming from reportinator server", async () => {
const cloudEvent = {
data: {
message: {
data: Buffer.from(
JSON.stringify({
reportedEvent: flaggedNostrEvent,
})
).toString("base64"),
},
},
};
const waitMillisStub = sinon.stub(RateLimiting, "waitMillis");
sinon.stub(OpenAI.Moderations.prototype, "create").resolves({
results: [
{
flagged: true,
categories: {
sexual: false,
hate: true,
harassment: true,
"self-harm": false,
"sexual/minors": false,
"hate/threatening": false,
"violence/graphic": false,
"self-harm/intent": false,
"self-harm/instructions": false,
"harassment/threatening": false,
violence: false,
},
category_scores: {
sexual: 0.0008905100985430181,
hate: 0.7413473725318909,
harassment: 0.9882562756538391,
"self-harm": 0.000020246614440111443,
"sexual/minors": 0.000046280372771434486,
"hate/threatening": 0.000006213878805283457,
"violence/graphic": 0.000014815827853453811,
"self-harm/intent": 0.00004021823042421602,
"self-harm/instructions": 0.000009193716323352419,
"harassment/threatening": 0.0007776615675538778,
violence: 0.00004086320041096769,
},
},
],
});
const nostrEventsPubSub = getFunction("nostrEventsPubSub");
await nostrEventsPubSub(cloudEvent);
sinon.assert.calledWithMatch(Nostr.publishNostrEvent, {
kind: 1984,
tags: [
["p", flaggedNostrEvent.pubkey, "other"],
["e", flaggedNostrEvent.id, "other"],
["L", "MOD"],
["l", "MOD>IH", "MOD", sinon.match.string],
["l", "MOD>IL-har", "MOD", sinon.match.string],
],
});
sinon.assert.notCalled(waitMillisStub);
sinon.assert.notCalled(Slack.postManualVerification);
});
it("should publish a report event for a valid event that is flagged", async () => {
const cloudEvent = {
data: {
message: {
data: Buffer.from(JSON.stringify(flaggedNostrEvent)).toString(
"base64"
),
},
},
};
const waitMillisStub = sinon.stub(RateLimiting, "waitMillis");
sinon.stub(OpenAI.Moderations.prototype, "create").resolves({
results: [
{
flagged: true,
categories: {
sexual: false,
hate: true,
harassment: true,
"self-harm": false,
"sexual/minors": false,
"hate/threatening": false,
"violence/graphic": false,
"self-harm/intent": false,
"self-harm/instructions": false,
"harassment/threatening": false,
violence: false,
},
category_scores: {
sexual: 0.0008905100985430181,
hate: 0.7413473725318909,
harassment: 0.9882562756538391,
"self-harm": 0.000020246614440111443,
"sexual/minors": 0.000046280372771434486,
"hate/threatening": 0.000006213878805283457,
"violence/graphic": 0.000014815827853453811,
"self-harm/intent": 0.00004021823042421602,
"self-harm/instructions": 0.000009193716323352419,
"harassment/threatening": 0.0007776615675538778,
violence: 0.00004086320041096769,
},
},
],
});
const nostrEventsPubSub = getFunction("nostrEventsPubSub");
await nostrEventsPubSub(cloudEvent);
sinon.assert.calledWithMatch(Nostr.publishNostrEvent, {
kind: 1984,
tags: [
["p", flaggedNostrEvent.pubkey, "other"],
["e", flaggedNostrEvent.id, "other"],
["L", "MOD"],
["l", "MOD>IH", "MOD", sinon.match.string],
["l", "MOD>IL-har", "MOD", sinon.match.string],
],
});
sinon.assert.notCalled(waitMillisStub);
sinon.assert.notCalled(Slack.postManualVerification);
});
it("should publish a reporting event for a valid report event that is flagged coming from reportinator server", async () => {
const cloudEvent = {
data: {
message: {
data: Buffer.from(
JSON.stringify({
reportedEvent: reportNostrEvent,
})
).toString("base64"),
},
},
};
const waitMillisStub = sinon.stub(RateLimiting, "waitMillis");
sinon.stub(OpenAI.Moderations.prototype, "create").resolves({
results: [
{
flagged: true,
categories: {
sexual: false,
hate: true,
harassment: true,
"self-harm": false,
"sexual/minors": false,
"hate/threatening": false,
"violence/graphic": false,
"self-harm/intent": false,
"self-harm/instructions": false,
"harassment/threatening": false,
violence: false,
},
category_scores: {
sexual: 0.0008905100985430181,
hate: 0.7413473725318909,
harassment: 0.9882562756538391,
"self-harm": 0.000020246614440111443,
"sexual/minors": 0.000046280372771434486,
"hate/threatening": 0.000006213878805283457,
"violence/graphic": 0.000014815827853453811,
"self-harm/intent": 0.00004021823042421602,
"self-harm/instructions": 0.000009193716323352419,
"harassment/threatening": 0.0007776615675538778,
violence: 0.00004086320041096769,
},
},
],
});
sinon
.stub(Nostr, "getReportedNostrEvent")
.returns(Promise.resolve(flaggedNostrEvent));
const nostrEventsPubSub = getFunction("nostrEventsPubSub");
await nostrEventsPubSub(cloudEvent);
sinon.assert.calledWithMatch(Nostr.publishNostrEvent, {
kind: 1984,
tags: [
["p", flaggedNostrEvent.pubkey, "other"],
["e", flaggedNostrEvent.id, "other"],
["L", "MOD"],
["l", "MOD>IH", "MOD", sinon.match.string],
["l", "MOD>IL-har", "MOD", sinon.match.string],
],
});
sinon.assert.notCalled(waitMillisStub);
sinon.assert.notCalled(Slack.postManualVerification);
});
it("should publish a reporting event for a valid report event that is flagged", async () => {
const cloudEvent = {
data: {
message: {
data: Buffer.from(JSON.stringify(reportNostrEvent)).toString(
"base64"
),
},
},
};
const waitMillisStub = sinon.stub(RateLimiting, "waitMillis");
sinon.stub(OpenAI.Moderations.prototype, "create").resolves({
results: [
{
flagged: true,
categories: {
sexual: false,
hate: true,
harassment: true,
"self-harm": false,
"sexual/minors": false,
"hate/threatening": false,
"violence/graphic": false,
"self-harm/intent": false,
"self-harm/instructions": false,
"harassment/threatening": false,
violence: false,
},
category_scores: {
sexual: 0.0008905100985430181,
hate: 0.7413473725318909,
harassment: 0.9882562756538391,
"self-harm": 0.000020246614440111443,
"sexual/minors": 0.000046280372771434486,
"hate/threatening": 0.000006213878805283457,
"violence/graphic": 0.000014815827853453811,
"self-harm/intent": 0.00004021823042421602,
"self-harm/instructions": 0.000009193716323352419,
"harassment/threatening": 0.0007776615675538778,
violence: 0.00004086320041096769,
},
},
],
});
sinon
.stub(Nostr, "getReportedNostrEvent")
.returns(Promise.resolve(flaggedNostrEvent));
const nostrEventsPubSub = getFunction("nostrEventsPubSub");
await nostrEventsPubSub(cloudEvent);
sinon.assert.calledWithMatch(Nostr.publishNostrEvent, {
kind: 1984,
tags: [
["p", flaggedNostrEvent.pubkey, "other"],
["e", flaggedNostrEvent.id, "other"],
["L", "MOD"],
["l", "MOD>IH", "MOD", sinon.match.string],
["l", "MOD>IL-har", "MOD", sinon.match.string],
],
});
sinon.assert.notCalled(waitMillisStub);
sinon.assert.notCalled(Slack.postManualVerification);
});
it("should detect and invalid event", async () => {
const invalidNostrEvent = { ...nostrEvent };
delete invalidNostrEvent.kind;
const cloudEvent = {
data: {
message: {
data: Buffer.from(JSON.stringify(invalidNostrEvent)).toString(
"base64"
),
},
},
};
const nostrEventsPubSub = getFunction("nostrEventsPubSub");
await nostrEventsPubSub(cloudEvent);
sinon.assert.calledWith(console.error, "Invalid Nostr Event");
sinon.assert.notCalled(Nostr.publishNostrEvent);
sinon.assert.notCalled(Slack.postManualVerification);
});
it("should detect and invalid event coming from reportinator server", async () => {
const invalidNostrEvent = { ...nostrEvent };
delete invalidNostrEvent.kind;
const cloudEvent = {
data: {
message: {
data: Buffer.from(
JSON.stringify({
reportedEvent: invalidNostrEvent,
reporterPubkey:
"npub1a8ekuuuwdsrnq68s0vv9rdqxletn2j2s0hwrctqq0wggac3mh4fqth5p88",
})
).toString("base64"),
},
},
};
const nostrEventsPubSub = getFunction("nostrEventsPubSub");
await nostrEventsPubSub(cloudEvent);
sinon.assert.calledWith(console.error, "Invalid Nostr Event");
sinon.assert.notCalled(Nostr.publishNostrEvent);
sinon.assert.notCalled(Slack.postManualVerification);
});
// xit("should detect and invalid signature", async () => {
// const nEvent = { ...nostrEvent };
// nEvent.id =
// "1111c65d2f232afbe9b882a35baa4f6fe8667c4e684749af565f981833ed6a65";
// const cloudEvent = {
// data: {
// message: {
// data: Buffer.from(JSON.stringify(nEvent)).toString("base64"),
// },
// },
// };
// const nostrEventsPubSub = getFunction("nostrEventsPubSub");
// await nostrEventsPubSub(cloudEvent);
// assert.ok(console.error.calledWith("Invalid Nostr Event Signature"));
// assert.ok(Nostr.publishNostrEvent.notCalled);
// });
it("should add jitter pause after a rate limit error", async () => {
const nEvent = { ...nostrEvent };
const cloudEvent = {
data: {
message: {
data: Buffer.from(JSON.stringify(nEvent)).toString("base64"),
},
},
};
const nostrEventsPubSub = getFunction("nostrEventsPubSub");
sinon.stub(OpenAI.Moderations.prototype, "create").rejects({
response: {
status: 429,
},
});
const waitMillisStub = sinon.stub(RateLimiting, "waitMillis");
// Ensure the rate limit error is still thrown after being handled so that
// we still trigger the pubsub topic subscription retry policy
await assert.rejects(nostrEventsPubSub(cloudEvent), (error) => {
return (
(error.response && error.response.status === 429) ||
new assert.AssertionError({ message: "Expected a 429 status code" })
);
});
sinon.assert.notCalled(Nostr.publishNostrEvent);
sinon.assert.notCalled(Slack.postManualVerification);
sinon.assert.calledWithMatch(
waitMillisStub,
sinon.match(
(number) => typeof number === "number" && number > 0,
"positive number"
)
);
});
});