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denoland-deno/cli/js/dispatch_minimal_test.ts
Kitson Kelly 9837d324a7 Update to TypeScript 3.7 (#3275)
and update to prettier 1.19

Also, update `assert()` and remove not null assertions where possibly
in `cli`.

Closes #3273
2019-11-13 13:42:34 -05:00

40 lines
1.1 KiB
TypeScript

import {
test,
assert,
assertEquals,
assertMatch,
unreachable
} from "./test_util.ts";
const readErrorStackPattern = new RegExp(
`^.*
at unwrapResponse \\(.*dispatch_minimal\\.ts:.*\\)
at Object.sendAsync \\(.*dispatch_minimal\\.ts:.*\\)
at async Object\\.open \\(.*files\\.ts:.*\\).*$`,
"ms"
);
test(async function sendAsyncStackTrace(): Promise<void> {
const buf = new Uint8Array(10);
await Deno.read(10, "nonexistent.txt", buf)
.then(unreachable)
.catch((error): void => {
assertMatch(error.stack, readErrorStackPattern);
});
});
test(async function malformedMinimalControlBuffer(): Promise<void> {
// @ts-ignore
const res = Deno.core.send(1, new Uint8Array([1, 2, 3, 4, 5]));
const header = res.slice(0, 12);
const buf32 = new Int32Array(
header.buffer,
header.byteOffset,
header.byteLength / 4
);
const arg = buf32[1];
const result = buf32[2];
const message = new TextDecoder().decode(res.slice(12));
assert(arg < 0);
assertEquals(result, Deno.ErrorKind.InvalidInput);
assertEquals(message, "Unparsable control buffer");
});