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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import { assertEquals, assertThrows, deferred } from "./test_util.ts";
const sleep = (time: number) => new Promise((r) => setTimeout(r, time));
Deno.test(function noNameTest() {
assertThrows(
// @ts-ignore test
() => Deno.cron(),
TypeError,
"Deno.cron requires a unique name",
);
});
Deno.test(function noSchedule() {
assertThrows(
// @ts-ignore test
() => Deno.cron("foo"),
TypeError,
"Deno.cron requires a valid schedule",
);
});
Deno.test(function noHandler() {
assertThrows(
// @ts-ignore test
() => Deno.cron("foo", "*/1 * * * *"),
TypeError,
"Deno.cron requires a handler",
);
});
Deno.test(function invalidNameTest() {
assertThrows(
() => Deno.cron("abc[]", "*/1 * * * *", () => {}),
TypeError,
"Invalid cron name",
);
assertThrows(
() => Deno.cron("a**bc", "*/1 * * * *", () => {}),
TypeError,
"Invalid cron name",
);
assertThrows(
() => Deno.cron("abc<>", "*/1 * * * *", () => {}),
TypeError,
"Invalid cron name",
);
assertThrows(
() => Deno.cron(";']", "*/1 * * * *", () => {}),
TypeError,
"Invalid cron name",
);
assertThrows(
() =>
Deno.cron(
"0000000000000000000000000000000000000000000000000000000000000000000000",
"*/1 * * * *",
() => {},
),
TypeError,
"Cron name is too long",
);
});
Deno.test(function invalidScheduleTest() {
assertThrows(
() => Deno.cron("abc", "bogus", () => {}),
TypeError,
"Invalid cron schedule",
);
assertThrows(
() => Deno.cron("abc", "* * * * * *", () => {}),
TypeError,
"Invalid cron schedule",
);
assertThrows(
() => Deno.cron("abc", "* * * *", () => {}),
TypeError,
"Invalid cron schedule",
);
assertThrows(
() => Deno.cron("abc", "m * * * *", () => {}),
TypeError,
"Invalid cron schedule",
);
});
Deno.test(function invalidBackoffScheduleTest() {
assertThrows(
() =>
Deno.cron("abc", "*/1 * * * *", () => {}, {
backoffSchedule: [1, 1, 1, 1, 1, 1],
}),
TypeError,
"Invalid backoff schedule",
);
assertThrows(
() =>
Deno.cron("abc", "*/1 * * * *", () => {}, {
backoffSchedule: [3600001],
}),
TypeError,
"Invalid backoff schedule",
);
});
Deno.test(async function tooManyCrons() {
const crons: Promise<void>[] = [];
const ac = new AbortController();
for (let i = 0; i <= 100; i++) {
const c = Deno.cron(`abc_${i}`, "*/1 * * * *", () => {}, {
signal: ac.signal,
});
crons.push(c);
}
try {
assertThrows(
() => {
Deno.cron("next-cron", "*/1 * * * *", () => {}, { signal: ac.signal });
},
TypeError,
"Too many crons",
);
} finally {
ac.abort();
for (const c of crons) {
await c;
}
}
});
Deno.test(async function duplicateCrons() {
const ac = new AbortController();
const c = Deno.cron("abc", "*/20 * * * *", () => {
}, { signal: ac.signal });
try {
assertThrows(
() => Deno.cron("abc", "*/20 * * * *", () => {}),
TypeError,
"Cron with this name already exists",
);
} finally {
ac.abort();
await c;
}
});
Deno.test(async function basicTest() {
Deno.env.set("DENO_CRON_TEST_SCHEDULE_OFFSET", "100");
let count = 0;
const promise = deferred();
const ac = new AbortController();
const c = Deno.cron("abc", "*/20 * * * *", () => {
count++;
if (count > 5) {
promise.resolve();
}
}, { signal: ac.signal });
try {
await promise;
} finally {
ac.abort();
await c;
}
});
Deno.test(async function multipleCrons() {
Deno.env.set("DENO_CRON_TEST_SCHEDULE_OFFSET", "100");
let count0 = 0;
let count1 = 0;
const promise0 = deferred();
const promise1 = deferred();
const ac = new AbortController();
const c0 = Deno.cron("abc", "*/20 * * * *", () => {
count0++;
if (count0 > 5) {
promise0.resolve();
}
}, { signal: ac.signal });
const c1 = Deno.cron("xyz", "*/20 * * * *", () => {
count1++;
if (count1 > 5) {
promise1.resolve();
}
}, { signal: ac.signal });
try {
await promise0;
await promise1;
} finally {
ac.abort();
await c0;
await c1;
}
});
Deno.test(async function overlappingExecutions() {
Deno.env.set("DENO_CRON_TEST_SCHEDULE_OFFSET", "100");
let count = 0;
const promise0 = deferred();
const promise1 = deferred();
const ac = new AbortController();
const c = Deno.cron("abc", "*/20 * * * *", async () => {
promise0.resolve();
count++;
await promise1;
}, { signal: ac.signal });
try {
await promise0;
} finally {
await sleep(2000);
promise1.resolve();
ac.abort();
await c;
}
assertEquals(count, 1);
});
Deno.test(async function retriesWithBackkoffSchedule() {
Deno.env.set("DENO_CRON_TEST_SCHEDULE_OFFSET", "5000");
let count = 0;
const ac = new AbortController();
const c = Deno.cron("abc", "*/20 * * * *", async () => {
count += 1;
await sleep(10);
throw new TypeError("cron error");
}, { signal: ac.signal, backoffSchedule: [10, 20] });
try {
await sleep(6000);
} finally {
ac.abort();
await c;
}
// The cron should have executed 3 times (1st attempt and 2 retries).
assertEquals(count, 3);
});
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