tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_session_data_update.js (4083B)

      1 /* Any copyright is dedicated to the Public Domain.
      2 * http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 "use strict";
      5 
      6 const TEST_PAGE = "https://example.com/document-builder.sjs?html=tab";
      7 
      8 const { assertUpdate, createSessionDataUpdate, getUpdates } =
      9  SessionDataUpdateHelpers;
     10 
     11 // Test various session data update scenarios against a single browsing context.
     12 add_task(async function test_session_data_update() {
     13  const tab1 = gBrowser.selectedTab;
     14  await loadURL(tab1.linkedBrowser, TEST_PAGE);
     15  const browsingContext1 = tab1.linkedBrowser.browsingContext;
     16 
     17  const root = createRootMessageHandler("session-data-update");
     18 
     19  info("Add a new session data item, expect one return value");
     20  await root.updateSessionData([
     21    createSessionDataUpdate(["text-1"], "add", "category1"),
     22  ]);
     23  let processedUpdates = await getUpdates(root, browsingContext1);
     24  is(processedUpdates.length, 1);
     25  assertUpdate(processedUpdates.at(-1), ["text-1"], "category1");
     26 
     27  info("Add two session data items, expect one return value with both items");
     28  await root.updateSessionData([
     29    createSessionDataUpdate(["text-2"], "add", "category1"),
     30    createSessionDataUpdate(["text-3"], "add", "category1"),
     31  ]);
     32  processedUpdates = await getUpdates(root, browsingContext1);
     33  is(processedUpdates.length, 2);
     34  assertUpdate(
     35    processedUpdates.at(-1),
     36    ["text-1", "text-2", "text-3"],
     37    "category1"
     38  );
     39 
     40  info("Try to add an existing data item, expect no update broadcast");
     41  await root.updateSessionData([
     42    createSessionDataUpdate(["text-1"], "add", "category1"),
     43  ]);
     44  processedUpdates = await getUpdates(root, browsingContext1);
     45  is(processedUpdates.length, 2);
     46 
     47  info("Add an existing and a new item");
     48  await root.updateSessionData([
     49    createSessionDataUpdate(["text-2", "text-4"], "add", "category1"),
     50  ]);
     51  processedUpdates = await getUpdates(root, browsingContext1);
     52  is(processedUpdates.length, 3);
     53  assertUpdate(
     54    processedUpdates.at(-1),
     55    ["text-1", "text-2", "text-3", "text-4"],
     56    "category1"
     57  );
     58 
     59  info("Remove an item, expect only the new item to return");
     60  await root.updateSessionData([
     61    createSessionDataUpdate(["text-3"], "remove", "category1"),
     62  ]);
     63  processedUpdates = await getUpdates(root, browsingContext1);
     64  is(processedUpdates.length, 4);
     65  assertUpdate(
     66    processedUpdates.at(-1),
     67    ["text-1", "text-2", "text-4"],
     68    "category1"
     69  );
     70 
     71  info("Remove a unknown item, expect no return value");
     72  await root.updateSessionData([
     73    createSessionDataUpdate(["text-unknown"], "remove", "category1"),
     74  ]);
     75  processedUpdates = await getUpdates(root, browsingContext1);
     76  is(processedUpdates.length, 4);
     77  assertUpdate(
     78    processedUpdates.at(-1),
     79    ["text-1", "text-2", "text-4"],
     80    "category1"
     81  );
     82 
     83  info("Remove an existing and a unknown item");
     84  await root.updateSessionData([
     85    createSessionDataUpdate(["text-2"], "remove", "category1"),
     86    createSessionDataUpdate(["text-unknown"], "remove", "category1"),
     87  ]);
     88  processedUpdates = await getUpdates(root, browsingContext1);
     89  is(processedUpdates.length, 5);
     90  assertUpdate(processedUpdates.at(-1), ["text-1", "text-4"], "category1");
     91 
     92  info("Add and remove at once");
     93  await root.updateSessionData([
     94    createSessionDataUpdate(["text-5"], "add", "category1"),
     95    createSessionDataUpdate(["text-4"], "remove", "category1"),
     96  ]);
     97  processedUpdates = await getUpdates(root, browsingContext1);
     98  is(processedUpdates.length, 6);
     99  assertUpdate(processedUpdates.at(-1), ["text-1", "text-5"], "category1");
    100 
    101  info("Adding and removing an item does not trigger any update");
    102  await root.updateSessionData([
    103    createSessionDataUpdate(["text-6"], "add", "category1"),
    104    createSessionDataUpdate(["text-6"], "remove", "category1"),
    105  ]);
    106  processedUpdates = await getUpdates(root, browsingContext1);
    107  // TODO: We could detect transactions which can't have any impact and fully
    108  // ignore them. See Bug 1810807.
    109  todo_is(processedUpdates.length, 6);
    110  assertUpdate(processedUpdates.at(-1), ["text-1", "text-5"], "category1");
    111 
    112  root.destroy();
    113 });