The Tor Browser: browser/devtools/markupview/test/browser_markupview_pagesize

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* vim: set ts=2 et sw=2 tw=80: */

     2 /* Any copyright is dedicated to the Public Domain.

     3  http://creativecommons.org/publicdomain/zero/1.0/ */

     5 "use strict";

     7 // Tests that the markup view loads only as many nodes as specified by the

     8 // devtools.markup.pagesize preference.

    10 Services.prefs.setIntPref("devtools.markup.pagesize", 5);

    12 const TEST_URL = TEST_URL_ROOT + "doc_markup_pagesize_01.html";

    13 const TEST_DATA = [{

    14   desc: "Select the last item",

    15   selector: "#z",

    16   expected: "*more*vwxyz"

    17 }, {

    18   desc: "Select the first item",

    19   selector: "#a",

    20   expected: "abcde*more*"

    21 }, {

    22   desc: "Select the last item",

    23   selector: "#z",

    24   expected: "*more*vwxyz"

    25 }, {

    26   desc: "Select an already-visible item",

    27   selector: "#v",

    28   // Because "v" was already visible, we shouldn't have loaded

    29   // a different page.

    30   expected: "*more*vwxyz"

    31 }, {

    32   desc: "Verify childrenDirty reloads the page",

    33   selector: "#w",

    34   forceReload: true,

    35   // But now that we don't already have a loaded page, selecting

    36   // w should center around w.

    37   expected: "*more*uvwxy*more*"

    38 }];

    40 let test = asyncTest(function*() {

    41   let {inspector} = yield addTab(TEST_URL).then(openInspector);

    43   info("Start iterating through the test data");

    44   for (let step of TEST_DATA) {

    45     info("Start test: " + step.desc);

    47     if (step.forceReload) {

    48       forceReload(inspector);

    49     }

    50     info("Selecting the node that corresponds to " + step.selector);

    51     yield selectNode(step.selector, inspector);

    53     info("Checking that the right nodes are shwon");

    54     assertChildren(step.expected, inspector);

    55   }

    57   info("Checking that clicking the more button loads everything");

    58   clickShowMoreNodes(inspector);

    59   yield inspector.markup._waitForChildren();

    60   assertChildren("abcdefghijklmnopqrstuvwxyz", inspector);

    61 });

    63 function assertChildren(expected, inspector) {

    64   let container = getContainerForRawNode("body", inspector);

    65   let found = "";

    66   for (let child of container.children.children) {

    67     if (child.classList.contains("more-nodes")) {

    68       found += "*more*";

    69     } else {

    70       found += child.container.node.getAttribute("id");

    71     }

    72   }

    73   is(found, expected, "Got the expected children.");

    74 }

    76 function forceReload(inspector) {

    77   let container = getContainerForRawNode("body", inspector);

    78   container.childrenDirty = true;

    79 }

    81 function clickShowMoreNodes(inspector) {

    82   let container = getContainerForRawNode("body", inspector);

    83   let button = container.elt.querySelector("button");

    84   let win = button.ownerDocument.defaultView;

    85   EventUtils.sendMouseEvent({type: "click"}, button, win);

    86 }

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