test_styles-matched.html (4074B)
1 <!DOCTYPE HTML> 2 <html> 3 <!-- 4 https://bugzilla.mozilla.org/show_bug.cgi?id= 5 --> 6 <head> 7 <meta charset="utf-8"> 8 <title>Test for Bug </title> 9 10 <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> 11 <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"> 12 <script type="application/javascript" src="inspector-helpers.js"></script> 13 <script type="application/javascript"> 14 "use strict"; 15 16 const CssLogic = require("devtools/shared/inspector/css-logic"); 17 18 window.onload = function() { 19 SimpleTest.waitForExplicitFinish(); 20 runNextTest(); 21 }; 22 23 let gWalker = null; 24 let gStyles = null; 25 let gInspectee = null; 26 27 addTest(async function setup() { 28 const url = document.getElementById("inspectorContent").href; 29 const { commands, target, doc } = await attachURL(url); 30 gInspectee = doc; 31 32 // We need an active resource command before initializing the inspector front. 33 const resourceCommand = commands.resourceCommand; 34 // We listen to any random resource, we only need to trigger the resource command 35 // onTargetAvailable callback so the `resourceCommand` attribute is set on the target front. 36 await resourceCommand.watchResources([resourceCommand.TYPES.DOCUMENT_EVENT], { onAvailable: () => {} }); 37 38 const inspector = await target.getFront("inspector"); 39 gWalker = inspector.walker; 40 gStyles = await inspector.getPageStyle(); 41 runNextTest(); 42 }); 43 44 addTest(function testMatchedStyles() { 45 promiseDone(gWalker.querySelector(gWalker.rootNode, "#matched-test-node").then(node => { 46 return gStyles.getMatchedSelectors(node, "font-size", {}); 47 }).then(matched => { 48 is(matched[0].sourceText, "element", "First match comes from the element style"); 49 is(matched[0].selector, "@element.style", "Element style has a special selector"); 50 is(matched[0].value, "10px", "First match has the expected value"); 51 is(matched[0].status, CssLogic.STATUS.BEST, "First match is the best match"); 52 is(matched[0].rule.type, 100, "First match is an element style"); 53 is(matched[0].rule.href, gInspectee.defaultView.location.href, 54 "Node style comes from this document"); 55 56 is(matched[1].sourceText, ".column-rule", 57 "Second match comes from a rule"); 58 is(matched[1].selector, ".column-rule", 59 "Second match comes from highest line number"); 60 is(matched[1].value, "25px", "Second match comes from highest column"); 61 is(matched[1].status, CssLogic.STATUS.PARENT_MATCH, 62 "Second match is from the parent"); 63 is(matched[1].rule.parentStyleSheet.href, null, 64 "Inline stylesheet shouldn't have an href"); 65 is(matched[1].rule.parentStyleSheet.nodeHref, gInspectee.defaultView.location.href, 66 "Inline stylesheet's nodeHref should match the current document"); 67 ok(!matched[1].rule.parentStyleSheet.system, 68 "Inline stylesheet shouldn't be a system stylesheet."); 69 70 // matched[2] is only there to test matched[1]; do not need to test 71 72 is(matched[3].value, "15px", "Third match has the expected value"); 73 }).then(runNextTest)); 74 }); 75 76 addTest(function testSystemStyles() { 77 let testNode = null; 78 79 promiseDone(gWalker.querySelector(gWalker.rootNode, "#matched-test-node").then(node => { 80 testNode = node; 81 return gStyles.getMatchedSelectors(testNode, "display", { filter: "user" }); 82 }).then(matched => { 83 is(matched.length, 0, "No user selectors apply to this rule."); 84 return gStyles.getMatchedSelectors(testNode, "display", { filter: "ua" }); 85 }).then(matched => { 86 is(matched[0].selector, "div", "Should match system div selector"); 87 is(matched[0].value, "block"); 88 }).then(runNextTest)); 89 }); 90 91 addTest(function cleanup() { 92 gStyles = null; 93 gWalker = null; 94 gInspectee = null; 95 runNextTest(); 96 }); 97 98 </script> 99 </head> 100 <body> 101 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=">Mozilla Bug </a> 102 <a id="inspectorContent" target="_blank" href="inspector-styles-data.html">Test Document</a> 103 <p id="display"></p> 104 <div id="content" style="display: none"> 105 106 </div> 107 <pre id="test"> 108 </pre> 109 </body> 110 </html>