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denoland-deno/std/http/racing_server_test.ts
Bartek Iwańczuk 6e2df8c64f
feat: Deno.test() sanitizes ops and resources (#4399)
This PR brings assertOps and assertResources sanitizers to Deno.test() API.

assertOps checks that test doesn't leak async ops, ie. there are no unresolved
promises originating from Deno APIs. Enabled by default, can be disabled using 
Deno.TestDefinition.disableOpSanitizer.

assertResources checks that test doesn't leak resources, ie. all resources used
in test are closed. For example; if a file is opened during a test case it must be
explicitly closed before test case finishes. It's most useful for asynchronous
generators. Enabled by default, can be disabled using 
Deno.TestDefinition.disableResourceSanitizer.

We've used those sanitizers in internal runtime tests and it proved very useful in
surfacing incorrect tests which resulted in interference between the tests.

All tests have been sanitized.

Closes #4208
2020-03-18 19:25:55 -04:00

77 lines
2 KiB
TypeScript

import { assert, assertEquals } from "../testing/asserts.ts";
import { BufReader, BufWriter } from "../io/bufio.ts";
import { TextProtoReader } from "../textproto/mod.ts";
const { connect, run, test } = Deno;
let server: Deno.Process;
async function startServer(): Promise<void> {
server = run({
args: [Deno.execPath(), "run", "-A", "http/racing_server.ts"],
stdout: "piped"
});
// Once racing server is ready it will write to its stdout.
assert(server.stdout != null);
const r = new TextProtoReader(new BufReader(server.stdout));
const s = await r.readLine();
assert(s !== Deno.EOF && s.includes("Racing server listening..."));
}
function killServer(): void {
server.close();
server.stdout?.close();
}
const input = [
"GET / HTTP/1.1\r\n\r\n",
"GET / HTTP/1.1\r\n\r\n",
"GET / HTTP/1.1\r\n\r\n",
"POST / HTTP/1.1\r\ncontent-length: 4\r\n\r\ndeno",
"POST / HTTP/1.1\r\ntransfer-encoding: chunked\r\n\r\n4\r\ndeno\r\n0\r\n\r\n",
"POST / HTTP/1.1\r\ntransfer-encoding: chunked\r\ntrailer: deno\r\n\r\n4\r\ndeno\r\n0\r\n\r\ndeno: land\r\n\r\n",
"GET / HTTP/1.1\r\n\r\n"
].join("");
const HUGE_BODY_SIZE = 1024 * 1024;
const output = `HTTP/1.1 200 OK
content-length: 6
Step1
HTTP/1.1 200 OK
content-length: ${HUGE_BODY_SIZE}
${"a".repeat(HUGE_BODY_SIZE)}HTTP/1.1 200 OK
content-length: ${HUGE_BODY_SIZE}
${"b".repeat(HUGE_BODY_SIZE)}HTTP/1.1 200 OK
content-length: 6
Step4
HTTP/1.1 200 OK
content-length: 6
Step5
HTTP/1.1 200 OK
content-length: 6
Step6
HTTP/1.1 200 OK
content-length: 6
Step7
`;
test(async function serverPipelineRace(): Promise<void> {
await startServer();
const conn = await connect({ port: 4501 });
const r = new TextProtoReader(new BufReader(conn));
const w = new BufWriter(conn);
await w.write(new TextEncoder().encode(input));
await w.flush();
const outLines = output.split("\n");
// length - 1 to disregard last empty line
for (let i = 0; i < outLines.length - 1; i++) {
const s = await r.readLine();
assertEquals(s, outLines[i]);
}
killServer();
conn.close();
});