test_bulk_error.js

/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

function run_test() {
  initTestDevToolsServer();
  add_test_bulk_actor();

  add_task(async function () {
    await test_string_error(socket_transport, json_reply);
    await test_string_error(local_transport, json_reply);
    DevToolsServer.destroy();
  });

  run_next_test();
}

/** * Sample Bulk Actor ***/
const { Actor } = require("resource://devtools/shared/protocol/Actor.js");
class TestBulkActor extends Actor {
  constructor(conn) {
    super(conn);

    this.typeName = "testBulk";
    this.requestTypes = {
      jsonReply: this.jsonReply,
    };
  }

  jsonReply({ length }) {
    Assert.equal(length, really_long().length);

    return {
      allDone: true,
    };
  }
}

function add_test_bulk_actor() {
  ActorRegistry.addGlobalActor(
    {
      constructorName: "TestBulkActor",
      constructorFun: TestBulkActor,
    },
    "testBulk"
  );
}

/** * Tests ***/

var test_string_error = async function (transportFactory, onReady) {
  const transport = await transportFactory();

  const client = new DevToolsClient(transport);
  await client.connect();
  const response = await client.mainRoot.rootForm;

  await onReady(client, response);
  client.close();
  transport.close();
};

/** * Reply Types ***/

function json_reply(client, response) {
  const reallyLong = really_long();

  const request = client.startBulkRequest({
    actor: response.testBulk,
    type: "jsonReply",
    length: reallyLong.length,
  });

  // Send bulk data to server
  return new Promise(resolve => {
    request.on("bulk-send-ready", ({ writer, done }) => {
      const input = Cc["@mozilla.org/io/string-input-stream;1"].createInstance(
        Ci.nsIStringInputStream
      );
      input.setByteStringData(reallyLong);
      try {
        writer.copyFrom(input, () => {
          input.close();
          done();
        });
        do_throw(new Error("Copying should fail, the stream is not async."));
      } catch (e) {
        Assert.ok(true);
        resolve();
      }
    });
  });
}