Mypal/devtools/client/inspector/rules/test/browser_rules_selector-highlighter_02.js
2021-02-04 16:48:36 +02:00

78 lines
2.4 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test that the selector highlighter is shown when clicking on a selector icon
// in the rule-view
// Note that in this test, we mock the highlighter front, merely testing the
// behavior of the style-inspector UI for now
const TEST_URI = `
<style type="text/css">
body {
background: red;
}
p {
color: white;
}
</style>
<p>Testing the selector highlighter</p>
`;
add_task(function* () {
yield addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
let {inspector, view} = yield openRuleView();
// Mock the highlighter front to get the reference of the NodeFront
let HighlighterFront = {
isShown: false,
nodeFront: null,
options: null,
show: function (nodeFront, options) {
this.nodeFront = nodeFront;
this.options = options;
this.isShown = true;
},
hide: function () {
this.nodeFront = null;
this.options = null;
this.isShown = false;
}
};
// Inject the mock highlighter in the rule-view
view.selectorHighlighter = HighlighterFront;
let icon = getRuleViewSelectorHighlighterIcon(view, "body");
info("Checking that the HighlighterFront's show/hide methods are called");
info("Clicking once on the body selector highlighter icon");
yield clickSelectorIcon(icon, view);
ok(HighlighterFront.isShown, "The highlighter is shown");
info("Clicking once again on the body selector highlighter icon");
yield clickSelectorIcon(icon, view);
ok(!HighlighterFront.isShown, "The highlighter is hidden");
info("Checking that the right NodeFront reference and options are passed");
yield selectNode("p", inspector);
icon = getRuleViewSelectorHighlighterIcon(view, "p");
yield clickSelectorIcon(icon, view);
is(HighlighterFront.nodeFront.tagName, "P",
"The right NodeFront is passed to the highlighter (1)");
is(HighlighterFront.options.selector, "p",
"The right selector option is passed to the highlighter (1)");
yield selectNode("body", inspector);
icon = getRuleViewSelectorHighlighterIcon(view, "body");
yield clickSelectorIcon(icon, view);
is(HighlighterFront.nodeFront.tagName, "BODY",
"The right NodeFront is passed to the highlighter (2)");
is(HighlighterFront.options.selector, "body",
"The right selector option is passed to the highlighter (2)");
});