faastjs
Version:
Serverless batch computing made simple.
72 lines • 9.12 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
const ava_1 = tslib_1.__importDefault(require("ava"));
const index_1 = require("../index");
const funcs = tslib_1.__importStar(require("./fixtures/functions"));
const client_lambda_1 = require("@aws-sdk/client-lambda");
(0, ava_1.default)("remote aws throttling to no concurrency", async (t) => {
const faastModule = await (0, index_1.faast)("aws", funcs, {
mode: "https",
memorySize: 1024,
concurrency: 1,
gc: "off",
description: t.title
});
try {
const N = 10;
const promises = [faastModule.functions.timer(1000)];
for (let i = 1; i < N; i++) {
promises.push(faastModule.functions.timer(1000));
}
const results = await Promise.all(promises);
results.sort(({ start: a }, { start: b }) => a - b);
index_1.log.info(results);
let lastEnd = 0;
// Executions should not overlap in their timestamps.
for (const timing of results) {
t.true(timing.start > lastEnd);
lastEnd = timing.end;
}
}
finally {
await faastModule.cleanup();
}
});
// Test the situation where the function concurrency isn't sufficient to handle
// all of the requests, and the events age out while in the queue.
(0, ava_1.default)("remote aws async invocation queue throttling EventAgeExceeded", async (t) => {
const lambda = await (0, index_1.faastAws)(funcs, {
timeout: 70,
maxRetries: 2,
gc: "off",
description: t.title,
mode: "queue"
});
const { FunctionName } = lambda.state.resources;
const awsLambda = new client_lambda_1.Lambda({ region: "us-west-2" });
await awsLambda.putFunctionConcurrency({
FunctionName,
ReservedConcurrentExecutions: 1
});
await awsLambda.updateFunctionEventInvokeConfig({
FunctionName,
MaximumEventAgeInSeconds: 60
});
try {
const invoke = () => lambda.functions
.sleep(65 * 1000)
.then(_ => ({ value: "success" }))
.catch(error => ({ error: error.message }));
const firstPromise = invoke();
const secondPromise = invoke();
const first = await firstPromise;
const second = await secondPromise;
t.assert("value" in first || "value" in second);
t.assert("error" in first || "error" in second);
}
finally {
await lambda.cleanup();
}
});
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