tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_dbg-sourcemaps-bogus.js (4456B)

      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this
      3 * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
      4 
      5 // Test that errors while loading sourcemap does not break debugging.
      6 
      7 "use strict";
      8 
      9 requestLongerTimeout(2);
     10 
     11 add_task(async function () {
     12  // NOTE: the CORS call makes the test run times inconsistent
     13 
     14  // - non-existant-map.js has a reference to source map file which doesn't exists.
     15  //   There is no particular warning and no original file is displayed, only the generated file.
     16  // - map-with-failed-original-request.js has a reference to a valid source map file,
     17  //   but the map doesn't inline source content and refers to a URL which fails loading.
     18  //   (this file is based on dom-mutation.js and related map)
     19  const dbg = await initDebugger(
     20    "doc-sourcemap-bogus.html",
     21    "non-existant-map.js",
     22    "map-with-failed-original-request.js",
     23    "map-with-failed-original-request.original.js",
     24    "invalid-json-map.js"
     25  );
     26  // Make sure there is only the expected sources and we miss some original sources.
     27  is(dbg.selectors.getSourceCount(), 4, "Only 4 source exists");
     28 
     29  await selectSource(dbg, "non-existant-map.js");
     30  is(
     31    findFooterNotificationMessage(dbg),
     32    "Source Map Error: request failed with status 404",
     33    "There is a warning about the missing source map file"
     34  );
     35 
     36  // We should still be able to set breakpoints and pause in the
     37  // generated source.
     38  await addBreakpoint(dbg, "non-existant-map.js", 4);
     39  invokeInTab("runCode");
     40  await waitForPaused(dbg);
     41  await assertPausedAtSourceAndLine(
     42    dbg,
     43    findSource(dbg, "non-existant-map.js").id,
     44    4
     45  );
     46  await resume(dbg);
     47 
     48  // Test a Source Map with invalid JSON
     49  await selectSource(dbg, "invalid-json-map.js");
     50  is(
     51    findFooterNotificationMessage(dbg),
     52    "Source Map Error: JSON.parse: expected property name or '}' at line 2 column 3 of the JSON data",
     53    "There is a warning about the missing source map file"
     54  );
     55 
     56  let footerButton = findElement(dbg, "sourceMapFooterButton");
     57  ok(
     58    footerButton.classList.contains("not-mapped"),
     59    "The source map error causes the file to be reported as not mapped"
     60  );
     61  ok(
     62    footerButton.classList.contains("error"),
     63    "The source map error is displayed in the source map icon"
     64  );
     65 
     66  // Test a Source Map with missing original text content
     67  await selectSource(dbg, "map-with-failed-original-request.js");
     68  ok(
     69    !findElement(dbg, "editorNotificationFooter"),
     70    "The source-map is valid enough to not spawn a warning message"
     71  );
     72  await addBreakpoint(dbg, "map-with-failed-original-request.js", 7);
     73  invokeInTab("changeStyleAttribute");
     74  await waitForPaused(dbg);
     75 
     76  // As the original file can't be loaded, the generated source is automatically selected
     77  await assertPausedAtSourceAndLine(
     78    dbg,
     79    findSource(dbg, "map-with-failed-original-request.js").id,
     80    7
     81  );
     82 
     83  // The original file is visible in the source tree and can be selected,
     84  // but its content can't be displayed
     85  await selectSource(dbg, "map-with-failed-original-request.original.js");
     86  const notificationMessage = DEBUGGER_L10N.getFormatStr(
     87    "editorNotificationFooter.noOriginalScopes",
     88    DEBUGGER_L10N.getStr("scopes.showOriginalScopes")
     89  );
     90  is(
     91    findFooterNotificationMessage(dbg),
     92    notificationMessage,
     93    "There is no warning about source-map but rather one about original scopes"
     94  );
     95  const editorContent = getEditorContent(dbg);
     96  Assert.stringContains(
     97    editorContent,
     98    `Error while fetching an original source: request failed with status 404\n`
     99  );
    100  // Ignore the stack logged in between these two strings
    101  Assert.stringContains(
    102    editorContent,
    103    `Source URL: ${EXAMPLE_URL}map-with-failed-original-request.original.js`
    104  );
    105 
    106  footerButton = findElement(dbg, "sourceMapFooterButton");
    107  is(
    108    footerButton.textContent,
    109    "original file",
    110    "Even if the original can't be loaded, it is reported as original in the footer"
    111  );
    112  ok(
    113    !footerButton.classList.contains("loading"),
    114    "The source map isn't loading because of the missing text content"
    115  );
    116  ok(
    117    !footerButton.classList.contains("error"),
    118    "The source map isn't reported with an error because of the missing text content"
    119  );
    120  ok(
    121    footerButton.classList.contains("original"),
    122    "The source map icon is set to original"
    123  );
    124 
    125  await resume(dbg);
    126 });