test(ext/node): add tls_test (#17871)

cli/tests/integration/node_unit_tests.rs

@@ -10,6 +10,10 @@ fn node_unit_tests() {
     .current_dir(util::root_path())
     .arg("test")
     .arg("--unstable")
+    // TODO(kt3k): This option is required to pass tls_test.ts,
+    // but this shouldn't be necessary. tls.connect currently doesn't
+    // pass hostname option correctly and it causes cert errors.
+    .arg("--unsafely-ignore-certificate-errors")
     .arg("-A")
     .arg(util::tests_path().join("unit_node"))
     .spawn()

cli/tests/unit_node/tls_test.ts

@@ -0,0 +1,122 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+
+import {
+  assertEquals,
+  assertInstanceOf,
+} from "../../../test_util/std/testing/asserts.ts";
+import { delay } from "../../../test_util/std/async/delay.ts";
+import { deferred } from "../../../test_util/std/async/deferred.ts";
+import { fromFileUrl, join } from "../../../test_util/std/path/mod.ts";
+import { serveTls } from "../../../test_util/std/http/server.ts";
+import * as tls from "node:tls";
+import * as net from "node:net";
+import * as stream from "node:stream";
+
+const tlsTestdataDir = fromFileUrl(
+  new URL("../testdata/tls", import.meta.url),
+);
+const keyFile = join(tlsTestdataDir, "localhost.key");
+const certFile = join(tlsTestdataDir, "localhost.crt");
+const key = await Deno.readTextFile(keyFile);
+const cert = await Deno.readTextFile(certFile);
+const rootCaCert = await Deno.readTextFile(join(tlsTestdataDir, "RootCA.pem"));
+
+Deno.test("tls.connect makes tls connection", async () => {
+  const ctl = new AbortController();
+  const serve = serveTls(() => new Response("hello"), {
+    port: 8443,
+    key,
+    cert,
+    signal: ctl.signal,
+  });
+
+  await delay(200);
+
+  const conn = tls.connect({
+    host: "localhost",
+    port: 8443,
+    secureContext: {
+      ca: rootCaCert,
+      // deno-lint-ignore no-explicit-any
+    } as any,
+  });
+  conn.write(`GET / HTTP/1.1
+Host: localhost
+Connection: close
+
+`);
+  conn.on("data", (chunk) => {
+    const text = new TextDecoder().decode(chunk);
+    const bodyText = text.split("\r\n\r\n").at(-1)?.trim();
+    assertEquals(bodyText, "hello");
+    conn.destroy();
+    ctl.abort();
+  });
+
+  await serve;
+});
+
+Deno.test("tls.createServer creates a TLS server", async () => {
+  const p = deferred();
+  const server = tls.createServer(
+    // deno-lint-ignore no-explicit-any
+    { host: "0.0.0.0", key, cert } as any,
+    (socket: net.Socket) => {
+      socket.write("welcome!\n");
+      socket.setEncoding("utf8");
+      socket.pipe(socket).on("data", (data) => {
+        if (data.toString().trim() === "goodbye") {
+          socket.destroy();
+        }
+      });
+    },
+  );
+  server.listen(0, async () => {
+    const conn = await Deno.connectTls({
+      hostname: "127.0.0.1",
+      // deno-lint-ignore no-explicit-any
+      port: (server.address() as any).port,
+      caCerts: [rootCaCert],
+    });
+
+    const buf = new Uint8Array(100);
+    await Deno.read(conn.rid, buf);
+    let text: string;
+    text = new TextDecoder().decode(buf);
+    assertEquals(text.replaceAll("\0", ""), "welcome!\n");
+    buf.fill(0);
+
+    Deno.write(conn.rid, new TextEncoder().encode("hey\n"));
+    await Deno.read(conn.rid, buf);
+    text = new TextDecoder().decode(buf);
+    assertEquals(text.replaceAll("\0", ""), "hey\n");
+    buf.fill(0);
+
+    Deno.write(conn.rid, new TextEncoder().encode("goodbye\n"));
+    await Deno.read(conn.rid, buf);
+    text = new TextDecoder().decode(buf);
+    assertEquals(text.replaceAll("\0", ""), "goodbye\n");
+
+    conn.close();
+    server.close();
+    p.resolve();
+  });
+  await p;
+});
+
+Deno.test("TLSSocket can construct without options", () => {
+  // deno-lint-ignore no-explicit-any
+  new tls.TLSSocket(new stream.PassThrough() as any);
+});
+
+Deno.test("tlssocket._handle._parentWrap is set", () => {
+  // Note: This feature is used in popular 'http2-wrapper' module
+  // https://github.com/szmarczak/http2-wrapper/blob/51eeaf59ff9344fb192b092241bfda8506983620/source/utils/js-stream-socket.js#L6
+  const parentWrap =
+    // deno-lint-ignore no-explicit-any
+    ((new tls.TLSSocket(new stream.PassThrough() as any, {}) as any)
+      // deno-lint-ignore no-explicit-any
+      ._handle as any)!
+      ._parentWrap;
+  assertInstanceOf(parentWrap, stream.PassThrough);
+});