Unified Diff: test/browser/elemHideEmulation.js
Issue 29714601:
Issue 6437 - Skip elements not affected by DOM mutations (Closed)
Base URL: https://hg.adblockplus.org/adblockpluscore/
Patch Set: Rename debug mode to test mode
Created May 18, 2018, 3:41 a.m.
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| Index: test/browser/elemHideEmulation.js |
| =================================================================== |
| --- a/test/browser/elemHideEmulation.js |
| +++ b/test/browser/elemHideEmulation.js |
| @@ -12,24 +12,27 @@ |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| "use strict"; |
| -const {ElemHideEmulation} = require("../../lib/content/elemHideEmulation"); |
| +const {ElemHideEmulation, setTestMode, |
| + getTestInfo} = require("../../lib/content/elemHideEmulation"); |
| const REFRESH_INTERVAL = 200; |
| let testDocument = null; |
| exports.setUp = function(callback) |
| { |
| + setTestMode(); |
| + |
| let iframe = document.createElement("iframe"); |
| document.body.appendChild(iframe); |
| testDocument = iframe.contentDocument; |
| callback(); |
| }; |
| exports.tearDown = function(callback) |
| @@ -72,16 +75,38 @@ |
| if (typeof id != "undefined") |
| withId = ` with ID '${id}'`; |
| test.notEqual( |
| window.getComputedStyle(element).display, "none", |
| `The element${withId}'s display property should not be set to 'none'`); |
| } |
| +function expectProcessed(test, element, id = null) |
| +{ |
| + let withId = ""; |
| + if (id) |
| + withId = ` with ID '${id}'`; |
| + |
| + test.ok( |
| + getTestInfo().lastProcessedElements.has(element), |
| + `The element${withId} should have been processed`); |
| +} |
| + |
| +function expectNotProcessed(test, element, id = null) |
| +{ |
| + let withId = ""; |
| + if (id) |
| + withId = ` with ID '${id}'`; |
| + |
| + test.ok( |
| + !getTestInfo().lastProcessedElements.has(element), |
| + `The element${withId} should not have been processed`); |
| +} |
| + |
| function findUniqueId() |
| { |
| let id = "elemHideEmulationTest-" + Math.floor(Math.random() * 10000); |
| if (!testDocument.getElementById(id)) |
| return id; |
| return findUniqueId(); |
| } |
| @@ -94,24 +119,27 @@ |
| else |
| { |
| styleElement = testDocument.createElement("style"); |
| testDocument.head.appendChild(styleElement); |
| } |
| styleElement.sheet.insertRule(rule, styleElement.sheet.cssRules.length); |
| } |
| -function createElement(parent) |
| +function createElement(parent, type = "div", id = findUniqueId(), |
| + innerText = null) |
| { |
| - let element = testDocument.createElement("div"); |
| - element.id = findUniqueId(); |
| + let element = testDocument.createElement(type); |
| + element.id = id; |
| if (!parent) |
| testDocument.body.appendChild(element); |
| else |
| parent.appendChild(element); |
| + if (innerText) |
| + element.innerText = innerText; |
| return element; |
| } |
| // Insert a <div> with a unique id and a CSS rule |
| // for the the selector matching the id. |
| function createElementWithStyle(styleBlock, parent) |
| { |
| let element = createElement(parent); |
| @@ -893,8 +921,104 @@ |
| }).then(() => |
| { |
| // Note: Even though it runs both the :-abp-contains() patterns, it only |
| // hides the parent element because of revision d7d51d29aa34. |
| expectHidden(test, parent); |
| expectVisible(test, child); |
| }).catch(unexpectedError.bind(test)).then(() => test.done()); |
| }; |
| + |
| +exports.testOnlyRelevantElementsProcessed = function(test) |
| +{ |
| + // <body> |
| + // <div id="n1"> |
| + // <p id="n1_1"></p> |
| + // <p id="n1_2"></p> |
| + // <p id="n1_4">Hello</p> |
| + // </div> |
| + // <div id="n2"> |
| + // <p id="n2_1"></p> |
| + // <p id="n2_2"></p> |
| + // <p id="n2_4">Hello</p> |
| + // </div> |
| + // <div id="n3"> |
| + // <p id="n3_1"></p> |
| + // <p id="n3_2"></p> |
| + // <p id="n3_4">Hello</p> |
| + // </div> |
| + // <div id="n4"> |
| + // <p id="n4_1"></p> |
| + // <p id="n4_2"></p> |
| + // <p id="n4_4">Hello</p> |
| + // </div> |
| + // </body> |
| + for (let i of [1, 2, 3, 4]) |
| + { |
| + let n = createElement(null, "div", `n${i}`); |
| + for (let [j, text] of [[1], [2], [4, "Hello"]]) |
| + createElement(n, "p", `n${i}_${j}`, text); |
| + } |
| + |
| + applyElemHideEmulation( |
| + ["p:-abp-contains(Hello)", |
| + "div:-abp-contains(Try me!)", |
| + "div:-abp-has(p:-abp-contains(This is good))"] |
| + ).then(() => timeout(REFRESH_INTERVAL) |
| + ).then(() => |
| + { |
| + // This is only a sanity check to make sure everything else is working |
| + // before we do the actual test. |
| + for (let i of [1, 2, 3, 4]) |
| + { |
| + for (let j of [1, 2, 4]) |
| + { |
| + let id = `n${i}_${j}`; |
| + if (j == 4) |
| + expectHidden(test, testDocument.getElementById(id), id); |
| + else |
| + expectVisible(test, testDocument.getElementById(id), id); |
| + } |
| + } |
| + |
| + // All <div> and <p> elements should be processed initially. |
| + for (let element of [...testDocument.getElementsByTagName("div"), |
| + ...testDocument.getElementsByTagName("p")]) |
| + { |
| + expectProcessed(test, element, element.id); |
| + } |
| + |
| + // Modify the text in <p id="n4_1"> |
| + testDocument.getElementById("n4_1").innerText = "Try me!"; |
| + |
| + return timeout(REFRESH_INTERVAL); |
| + }).then(() => |
| + { |
| + // When an element's text is modified, only the element or one of its |
| + // ancestors matching any selector is processed for :-abp-has() and |
| + // :-abp-contains() |
| + for (let element of [...testDocument.getElementsByTagName("div"), |
| + ...testDocument.getElementsByTagName("p")]) |
| + { |
| + if (element.id == "n4" || element.id == "n4_1") |
| + expectProcessed(test, element, element.id); |
| + else |
| + expectNotProcessed(test, element, element.id); |
| + } |
| + |
| + // Create a new <p id="n2_3"> element with no text. |
| + createElement(testDocument.getElementById("n2"), "p", "n2_3"); |
| + |
| + return timeout(REFRESH_INTERVAL); |
| + }).then(() => |
| + { |
| + // When a new element is added, only the element or one of its ancestors |
| + // matching any selector is processed for :-abp-has() and :-abp-contains() |
| + for (let element of [...testDocument.getElementsByTagName("div"), |
| + ...testDocument.getElementsByTagName("p")]) |
| + { |
| + if (element.id == "n2" || element.id == "n2_3") |
| + expectProcessed(test, element, element.id); |
| + else |
| + expectNotProcessed(test, element, element.id); |
| + } |
| + }).catch(unexpectedError.bind(test)).then(() => test.done()); |
| +}; |
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