faastjs
Version:
Serverless batch computing made simple.
165 lines • 22.1 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const ava_1 = require("ava");
const util_1 = require("util");
const index_1 = require("../index");
const funcs = require("./fixtures/functions");
const util_2 = require("./fixtures/util");
/**
* Note that there is an AWS Lambda bug where timeouts are not delivered if the
* function has a timeout >= 300s, and the function is invoked directly with the
* Invoke API (e.g. in faast.js' "https" mode, which is the default.). In this
* case if faast.js has childProcess mode on (the default), then it will set its
* own timeout. This situation is not explicitly tested here because it would
* make the entire testsuite slower for just one test. To test this situation
* manually, change the timeout to 300 or more, and run one of these tests:
*
* $ ava --timeout=10m -m="remote aws generator timeout { mode: 'https', childProcess: true }"
* $ ava --timeout=10m -m="remote aws timeout { mode: 'https', childProcess: true }"
*/
async function testTimeout(t, provider, options) {
const lambda = await (0, index_1.faast)(provider, funcs, {
...options,
timeout: 5,
maxRetries: 0,
gc: "off",
description: t.title
});
t.plan(1);
// t.log(`${lambda.logUrl()}`);
try {
try {
await lambda.functions.infiniteLoop();
}
catch (err) {
const isTimeout = index_1.FaastError.hasCauseWithName(err, index_1.FaastErrorNames.ETIMEOUT);
t.is(isTimeout, true, `${(0, util_1.inspect)(err)}`);
}
}
finally {
await lambda.cleanup();
}
}
/**
* The purpose of this test is to verify that a CPU hogging async generator
* function won't starve the sending logic, so yield messages prior to the CPU
* intensive work are delivered.
*/
async function testGenerator(t, provider, options) {
t.plan(2);
const lambda = await (0, index_1.faast)(provider, funcs, {
...options,
timeout: 5,
maxRetries: 0,
gc: "off",
description: t.title
});
// t.log(`${lambda.logUrl()}`);
try {
const arg = "hello, generator!";
for await (const result of lambda.functions.generateThenInfiniteLoop(arg)) {
t.is(result, arg);
}
t.fail("Did not timeout");
}
catch (err) {
t.is(index_1.FaastError.hasCauseWithName(err, index_1.FaastErrorNames.ETIMEOUT), true);
}
finally {
await lambda.cleanup();
}
}
async function memoryLimitOk(t, provider, options) {
const lambda = await (0, index_1.faast)(provider, funcs, {
...options,
timeout: 200,
memorySize: 512,
maxRetries: 0,
gc: "off",
description: t.title
});
try {
const bytes = 64 * 1024 * 1024;
const rv = await lambda.functions.allocate(bytes);
t.is(rv.elems, bytes / 8);
}
finally {
await lambda.cleanup();
}
}
async function memoryLimitFail(t, provider, options) {
const lambda = await (0, index_1.faast)(provider, funcs, {
...options,
timeout: 200,
memorySize: 512,
maxRetries: 0,
gc: "off",
description: t.title
});
try {
const bytes = 512 * 1024 * 1024;
await t.throwsAsync(lambda.functions.allocate(bytes), { message: /memory/i });
}
finally {
lambda && (await lambda.cleanup());
}
}
// Note that this test takes 180s by default. Set the ava timeout to 2m or
// longer otherwise it will fail with a timeout error.
async function testLongInvoke(t, provider, options) {
// The http timeout is 120s in awssdk by default. Uncomment the following
// line to shorten it to 20s for focused testing. Note that shortening it
// below 20s causes (harmless) timeout error messages from SQS on the long
// polling response queue. If faast.js is working correctly, the shortened
// timeout should not cause a test failure.
//
// config.update({ httpOptions: { timeout: 20000 } });
const opts = {
timeout: 500,
gc: "off",
description: t.title,
...options
};
const faastModule = await (0, index_1.faast)(provider, funcs, opts);
const remote = faastModule.functions;
try {
let i = 0;
const args = ["a", "b", "c"];
// The use of an async generator is to mimick a real use case from a
// client of faast.js. The presence of an error should also be revealed
// with a regular remote function call.
for await (const arg of remote.asyncGeneratorDelay(args, 60000)) {
t.is(arg, args[i++]);
}
}
finally {
await faastModule.cleanup();
}
}
const allLimits = ["memory", "timeout", "long", "generator"];
const configurations = [
["aws", { mode: "https", childProcess: true }, allLimits],
["aws", { mode: "queue", childProcess: true }, allLimits],
["aws", { mode: "https", childProcess: false }, ["memory", "timeout", "generator"]],
["aws", { mode: "queue", childProcess: false }, ["memory", "timeout", "generator"]],
["google", { mode: "https", childProcess: true }, ["memory", "timeout", "long"]],
["google", { mode: "queue", childProcess: true }, []],
["local", {}, ["timeout"]]
];
for (const [provider, config, limitTypes] of configurations) {
const opts = (0, util_1.inspect)(config);
if (limitTypes.find(t => t === "memory")) {
(0, ava_1.default)((0, util_2.title)(provider, `memory under limit ${opts}`), memoryLimitOk, provider, config);
(0, ava_1.default)((0, util_2.title)(provider, `out of memory`, config), memoryLimitFail, provider, config);
}
if (limitTypes.find(t => t === "timeout")) {
(0, ava_1.default)((0, util_2.title)(provider, `timeout`, config), testTimeout, provider, config);
}
if (limitTypes.find(t => t === "long")) {
(0, ava_1.default)((0, util_2.title)(provider, `long invoke`, config), testLongInvoke, provider, config);
}
if (limitTypes.find(t => t === "generator")) {
(0, ava_1.default)((0, util_2.title)(provider, `generator timeout`, config), testGenerator, provider, config);
}
}
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test, { ExecutionContext } from \"ava\";\nimport { inspect } from \"util\";\nimport { CommonOptions, faast, FaastError, FaastErrorNames, Provider } from \"../index\";\nimport * as funcs from \"./fixtures/functions\";\nimport { title } from \"./fixtures/util\";\n\n/**\n * Note that there is an AWS Lambda bug where timeouts are not delivered if the\n * function has a timeout >= 300s, and the function is invoked directly with the\n * Invoke API (e.g. in faast.js' \"https\" mode, which is the default.). In this\n * case if faast.js has childProcess mode on (the default), then it will set its\n * own timeout. This situation is not explicitly tested here because it would\n * make the entire testsuite slower for just one test. To test this situation\n * manually, change the timeout to 300 or more, and run one of these tests:\n *\n *    $ ava --timeout=10m -m=\"remote aws generator timeout { mode: 'https', childProcess: true }\"\n *    $ ava --timeout=10m -m=\"remote aws timeout { mode: 'https', childProcess: true }\"\n */\nasync function testTimeout(\n    t: ExecutionContext,\n    provider: Provider,\n    options: CommonOptions\n) {\n    const lambda = await faast(provider, funcs, {\n        ...options,\n        timeout: 5,\n        maxRetries: 0,\n        gc: \"off\",\n        description: t.title\n    });\n    t.plan(1);\n    // t.log(`${lambda.logUrl()}`);\n    try {\n        try {\n            await lambda.functions.infiniteLoop();\n        } catch (err: any) {\n            const isTimeout = FaastError.hasCauseWithName(err, FaastErrorNames.ETIMEOUT);\n            t.is(isTimeout, true, `${inspect(err)}`);\n        }\n    } finally {\n        await lambda.cleanup();\n    }\n}\n\n/**\n * The purpose of this test is to verify that a CPU hogging async generator\n * function won't starve the sending logic, so yield messages prior to the CPU\n * intensive work are delivered.\n */\nasync function testGenerator(\n    t: ExecutionContext,\n    provider: Provider,\n    options: CommonOptions\n) {\n    t.plan(2);\n    const lambda = await faast(provider, funcs, {\n        ...options,\n        timeout: 5,\n        maxRetries: 0,\n        gc: \"off\",\n        description: t.title\n    });\n    // t.log(`${lambda.logUrl()}`);\n    try {\n        const arg = \"hello, generator!\";\n        for await (const result of lambda.functions.generateThenInfiniteLoop(arg)) {\n            t.is(result, arg);\n        }\n        t.fail(\"Did not timeout\");\n    } catch (err: any) {\n        t.is(FaastError.hasCauseWithName(err, FaastErrorNames.ETIMEOUT), true);\n    } finally {\n        await lambda.cleanup();\n    }\n}\n\nasync function memoryLimitOk(\n    t: ExecutionContext,\n    provider: Provider,\n    options: CommonOptions\n) {\n    const lambda = await faast(provider, funcs, {\n        ...options,\n        timeout: 200,\n        memorySize: 512,\n        maxRetries: 0,\n        gc: \"off\",\n        description: t.title\n    });\n\n    try {\n        const bytes = 64 * 1024 * 1024;\n        const rv = await lambda.functions.allocate(bytes);\n        t.is(rv.elems, bytes / 8);\n    } finally {\n        await lambda.cleanup();\n    }\n}\n\nasync function memoryLimitFail(\n    t: ExecutionContext,\n    provider: Provider,\n    options: CommonOptions\n) {\n    const lambda = await faast(provider, funcs, {\n        ...options,\n        timeout: 200,\n        memorySize: 512,\n        maxRetries: 0,\n        gc: \"off\",\n        description: t.title\n    });\n\n    try {\n        const bytes = 512 * 1024 * 1024;\n        await t.throwsAsync(lambda.functions.allocate(bytes), { message: /memory/i });\n    } finally {\n        lambda && (await lambda.cleanup());\n    }\n}\n\n// Note that this test takes 180s by default. Set the ava timeout to 2m or\n// longer otherwise it will fail with a timeout error.\nasync function testLongInvoke(\n    t: ExecutionContext,\n    provider: Provider,\n    options: CommonOptions\n) {\n    // The http timeout is 120s in awssdk by default. Uncomment the following\n    // line to shorten it to 20s for focused testing. Note that shortening it\n    // below 20s causes (harmless) timeout error messages from SQS on the long\n    // polling response queue. If faast.js is working correctly, the shortened\n    // timeout should not cause a test failure.\n    //\n    // config.update({ httpOptions: { timeout: 20000 } });\n    const opts: CommonOptions = {\n        timeout: 500,\n        gc: \"off\",\n        description: t.title,\n        ...options\n    };\n    const faastModule = await faast(provider, funcs, opts);\n    const remote = faastModule.functions;\n    try {\n        let i = 0;\n        const args = [\"a\", \"b\", \"c\"];\n        // The use of an async generator is to mimick a real use case from a\n        // client of faast.js. The presence of an error should also be revealed\n        // with a regular remote function call.\n        for await (const arg of remote.asyncGeneratorDelay(args, 60000)) {\n            t.is(arg, args[i++]);\n        }\n    } finally {\n        await faastModule.cleanup();\n    }\n}\n\ntype LimitType = \"memory\" | \"timeout\" | \"generator\" | \"long\";\nconst allLimits = [\"memory\", \"timeout\", \"long\", \"generator\"] as const;\n\nconst configurations: [Provider, CommonOptions, readonly LimitType[]][] = [\n    [\"aws\", { mode: \"https\", childProcess: true }, allLimits],\n    [\"aws\", { mode: \"queue\", childProcess: true }, allLimits],\n    [\"aws\", { mode: \"https\", childProcess: false }, [\"memory\", \"timeout\", \"generator\"]],\n    [\"aws\", { mode: \"queue\", childProcess: false }, [\"memory\", \"timeout\", \"generator\"]],\n    [\"google\", { mode: \"https\", childProcess: true }, [\"memory\", \"timeout\", \"long\"]],\n    [\"google\", { mode: \"queue\", childProcess: true }, []],\n    [\"local\", {}, [\"timeout\"]]\n];\n\nfor (const [provider, config, limitTypes] of configurations) {\n    const opts = inspect(config);\n    if (limitTypes.find(t => t === \"memory\")) {\n        test(\n            title(provider, `memory under limit ${opts}`),\n            memoryLimitOk,\n            provider,\n            config\n        );\n        test(title(provider, `out of memory`, config), memoryLimitFail, provider, config);\n    }\n    if (limitTypes.find(t => t === \"timeout\")) {\n        test(title(provider, `timeout`, config), testTimeout, provider, config);\n    }\n    if (limitTypes.find(t => t === \"long\")) {\n        test(title(provider, `long invoke`, config), testLongInvoke, provider, config);\n    }\n    if (limitTypes.find(t => t === \"generator\")) {\n        test(\n            title(provider, `generator timeout`, config),\n            testGenerator,\n            provider,\n            config\n        );\n    }\n}\n"]}