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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Tests that the Filter Editor Widget parses filter values correctly (setCssValue)
const {CSSFilterEditorWidget} = require("devtools/client/shared/widgets/FilterWidget");
const DOMUtils =
Cc["@mozilla.org/inspector/dom-utils;1"].getService(Ci.inIDOMUtils);
const TEST_URI = `data:text/html,<div id="filter-container" />`;
const {getClientCssProperties} = require("devtools/shared/fronts/css-properties");
// Verify that the given string consists of a valid CSS URL token.
// Return true on success, false on error.
function verifyURL(string) {
let lexer = DOMUtils.getCSSLexer(string);
let token = lexer.nextToken();
if (!token || token.tokenType !== "url") {
return false;
}
return lexer.nextToken() === null;
}
add_task(function* () {
let [,, doc] = yield createHost("bottom", TEST_URI);
const cssIsValid = getClientCssProperties().getValidityChecker(doc);
const container = doc.querySelector("#filter-container");
let widget = new CSSFilterEditorWidget(container, "none", cssIsValid);
info("Test parsing of a valid CSS Filter value");
widget.setCssValue("blur(2px) contrast(200%)");
is(widget.getCssValue(),
"blur(2px) contrast(200%)",
"setCssValue should work for computed values");
info("Test parsing of space-filled value");
widget.setCssValue("blur( 2px ) contrast( 2 )");
is(widget.getCssValue(),
"blur(2px) contrast(200%)",
"setCssValue should work for spaced values");
info("Test parsing of string-typed values");
widget.setCssValue("drop-shadow( 2px 1px 5px black) url( example.svg#filter )");
is(widget.getCssValue(),
"drop-shadow(2px 1px 5px black) url(example.svg#filter)",
"setCssValue should work for string-typed values");
info("Test parsing of mixed-case function names");
widget.setCssValue("BLUR(2px) Contrast(200%) Drop-Shadow(2px 1px 5px Black)");
is(widget.getCssValue(),
"BLUR(2px) Contrast(200%) Drop-Shadow(2px 1px 5px Black)",
"setCssValue should work for mixed-case function names");
info("Test parsing of invalid filter value");
widget.setCssValue("totallyinvalid");
is(widget.getCssValue(), "none",
"setCssValue should turn completely invalid value to 'none'");
info("Test parsing of invalid function argument");
widget.setCssValue("blur('hello')");
is(widget.getCssValue(), "blur(0px)",
"setCssValue should replace invalid function argument with default");
info("Test parsing of invalid function argument #2");
widget.setCssValue("drop-shadow(whatever)");
is(widget.getCssValue(), "drop-shadow()",
"setCssValue should replace invalid drop-shadow argument with empty string");
info("Test parsing of mixed invalid argument");
widget.setCssValue("contrast(5%) whatever invert('xxx')");
is(widget.getCssValue(), "contrast(5%) invert(0%)",
"setCssValue should handle multiple errors");
info("Test parsing of 'unset'");
widget.setCssValue("unset");
is(widget.getCssValue(), "unset", "setCssValue should handle 'unset'");
info("Test parsing of 'initial'");
widget.setCssValue("initial");
is(widget.getCssValue(), "initial", "setCssValue should handle 'initial'");
info("Test parsing of 'inherit'");
widget.setCssValue("inherit");
is(widget.getCssValue(), "inherit", "setCssValue should handle 'inherit'");
info("Test parsing of quoted URL");
widget.setCssValue("url('invalid ) when ) unquoted')");
is(widget.getCssValue(), "url('invalid ) when ) unquoted')",
"setCssValue should re-quote single-quoted URL contents");
widget.setCssValue("url(\"invalid ) when ) unquoted\")");
is(widget.getCssValue(), "url(\"invalid ) when ) unquoted\")",
"setCssValue should re-quote double-quoted URL contents");
widget.setCssValue("url(ordinary)");
is(widget.getCssValue(), "url(ordinary)",
"setCssValue should not quote ordinary unquoted URL contents");
let quotedurl =
"url(invalid\\ \\)\\ {\\\twhen\\ }\\ ;\\ \\\\unquoted\\'\\\")";
ok(verifyURL(quotedurl), "weird URL is valid");
widget.setCssValue(quotedurl);
is(widget.getCssValue(), quotedurl,
"setCssValue should re-quote weird unquoted URL contents");
let dataurl = "url(data:image/svg+xml;utf8,<svg\\ " +
"xmlns=\\\"http://www.w3.org/2000/svg\\\"><filter\\ id=\\\"blur\\\">" +
"<feGaussianBlur\\ stdDeviation=\\\"3\\\"/></filter></svg>#blur)";
ok(verifyURL(dataurl), "data URL is valid");
widget.setCssValue(dataurl);
is(widget.getCssValue(), dataurl, "setCssValue should not mangle data urls");
});
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