tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_net_chunked-response.js (3577B)

      1 /* Any copyright is dedicated to the Public Domain.
      2   http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 "use strict";
      5 
      6 /**
      7 * Tests that delayed chunked responses are displayed correctly.
      8 * The chunks should be displayed as they are received from the backend.
      9 */
     10 function setupTestServer() {
     11  const httpServer = createTestHTTPServer();
     12  httpServer.registerContentType("html", "text/html");
     13  httpServer.registerPathHandler("/index.html", function (request, response) {
     14    response.setStatusLine(request.httpVersion, 200, "OK");
     15    response.write(
     16      `<!DOCTYPE html>
     17      <html>
     18        <body>Test requests blocked before reaching the server</body>
     19      </html>
     20    `
     21    );
     22  });
     23 
     24  let chunkedResponse;
     25  httpServer.registerPathHandler("/chunked-data", function (request, response) {
     26    response.processAsync();
     27    response.setStatusLine(request.httpVersion, 400, "OK");
     28    response.setHeader("Content-Type", "text/plain", false);
     29    response.setHeader("Transfer-Encoding", "chunked", false);
     30    response.write("7\r\n");
     31    response.write("Mozilla\r\n");
     32    chunkedResponse = response;
     33  });
     34 
     35  const completeResponse = () => {
     36    chunkedResponse.write("11\r\n");
     37    chunkedResponse.write("Developer Network\r\n");
     38    chunkedResponse.write("0\r\n");
     39    chunkedResponse.write("\r\n");
     40    chunkedResponse.finish();
     41  };
     42 
     43  return { httpServer, completeResponse };
     44 }
     45 
     46 add_task(async function () {
     47  const { httpServer, completeResponse } = setupTestServer();
     48  const port = httpServer.identity.primaryPort;
     49 
     50  const { tab, monitor } = await initNetMonitor(
     51    `http://localhost:${port}/index.html`,
     52    { requestCount: 1 }
     53  );
     54  info("Starting test... ");
     55 
     56  const { document, store, windowRequire } = monitor.panelWin;
     57  const Actions = windowRequire("devtools/client/netmonitor/src/actions/index");
     58 
     59  store.dispatch(Actions.batchEnable(false));
     60 
     61  info("Start fetching chunked content");
     62  const waitForRequest = waitUntil(() => {
     63    const request = document.querySelector(".request-list-item");
     64    return (
     65      request && request.querySelector(".requests-list-transferred").textContent
     66    );
     67  });
     68  await SpecialPowers.spawn(
     69    tab.linkedBrowser,
     70    [`http://localhost:${port}/chunked-data`],
     71    async url => {
     72      await content.wrappedJSObject.fetch(url);
     73    }
     74  );
     75  await waitForRequest;
     76 
     77  info("Assert the size of the transferred chunk in the column");
     78  const chunkedRequest = document.querySelector(".request-list-item");
     79  is(
     80    chunkedRequest.querySelector(".requests-list-transferred").textContent,
     81    "154 B",
     82    "The transferred data should be correct"
     83  );
     84 
     85  info("Open the response panel and wait for initial chunk of the data");
     86  const waitForResponsePanel = waitForDOM(
     87    document,
     88    "#response-panel .cm-content"
     89  );
     90  store.dispatch(Actions.toggleNetworkDetails());
     91  clickOnSidebarTab(document, "response");
     92  await waitForResponsePanel;
     93 
     94  is(
     95    getCodeMirrorValue(monitor),
     96    "Mozilla",
     97    "The text shown in the source editor is correct."
     98  );
     99 
    100  info("Send the last chunk of data");
    101  completeResponse();
    102 
    103  info("Wait for the last chunk of the data");
    104  await waitUntil(() => getCodeMirrorValue(monitor).length > 7);
    105 
    106  info("Assert the size of the all the transferred data in the column");
    107  is(
    108    getCodeMirrorValue(monitor),
    109    "MozillaDeveloper Network",
    110    "The text shown in the source editor is correct."
    111  );
    112  is(
    113    chunkedRequest.querySelector(".requests-list-transferred").textContent,
    114    "171 B",
    115    "The transferred data is correct"
    116  );
    117 
    118  await teardown(monitor);
    119 });