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Test Info:
- Manifest: devtools/client/shared/test/browser.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
add_task(async function () {
await pushPref("layout.css.backdrop-filter.enabled", true);
await pushPref("layout.css.individual-transform.enabled", true);
await addTab("about:blank");
await performTest();
gBrowser.removeCurrentTab();
});
async function performTest() {
await SpecialPowers.pushPrefEnv({
set: [["security.allow_unsafe_parent_loads", true]],
});
const { host, doc } = await createHost(
"bottom",
"data:text/html," + "<h1>browser_outputParser.js</h1><div></div>"
);
const cssProperties = getClientCssProperties();
const parser = new OutputParser(doc, cssProperties);
testParseCssProperty(doc, parser);
testParseCssVar(doc, parser);
testParseURL(doc, parser);
testParseFilter(doc, parser);
testParseBackdropFilter(doc, parser);
testParseAngle(doc, parser);
testParseShape(doc, parser);
testParseVariable(doc, parser);
testParseColorVariable(doc, parser);
testParseFontFamily(doc, parser);
host.destroy();
}
// Class name used in color swatch.
var COLOR_TEST_CLASS = "test-class";
// Create a new CSS color-parsing test. |name| is the name of the CSS
// property. |value| is the CSS text to use. |segments| is an array
// describing the expected result. If an element of |segments| is a
// string, it is simply appended to the expected string. Otherwise,
// it must be an object with a |name| property, which is the color
// name as it appears in the input.
//
// This approach is taken to reduce boilerplate and to make it simpler
// to modify the test when the parseCssProperty output changes.
function makeColorTest(name, value, segments) {
const result = {
name,
value,
expected: "",
};
for (const segment of segments) {
if (typeof segment === "string") {
result.expected += segment;
} else {
const buttonAttributes = {
class: COLOR_TEST_CLASS,
style: `background-color:${segment.name}`,
tabindex: 0,
role: "button",
};
if (segment.colorFunction) {
buttonAttributes["data-color-function"] = segment.colorFunction;
}
const buttonAttrString = Object.entries(buttonAttributes)
.map(([attr, v]) => `${attr}="${v}"`)
.join(" ");
// prettier-ignore
result.expected +=
`<span data-color="${segment.name}">` +
`<span ${buttonAttrString}></span>`+
`<span>${segment.name}</span>` +
`</span>`;
}
}
result.desc = "Testing " + name + ": " + value;
return result;
}
function testParseCssProperty(doc, parser) {
const tests = [
makeColorTest("border", "1px solid red", ["1px solid ", { name: "red" }]),
makeColorTest(
"background-image",
"linear-gradient(to right, #F60 10%, rgba(0,0,0,1))",
[
"linear-gradient(to right, ",
{ name: "#F60", colorFunction: "linear-gradient" },
" 10%, ",
{ name: "rgba(0,0,0,1)", colorFunction: "linear-gradient" },
")",
]
),
// In "arial black", "black" is a font, not a color.
// (The font-family parser creates a span)
makeColorTest("font-family", "arial black", ["<span>arial black</span>"]),
makeColorTest("box-shadow", "0 0 1em red", ["0 0 1em ", { name: "red" }]),
makeColorTest("box-shadow", "0 0 1em red, 2px 2px 0 0 rgba(0,0,0,.5)", [
"0 0 1em ",
{ name: "red" },
", 2px 2px 0 0 ",
{ name: "rgba(0,0,0,.5)" },
]),
makeColorTest("content", '"red"', ['"red"']),
// Invalid property names should not cause exceptions.
makeColorTest("hellothere", "'red'", ["'red'"]),
makeColorTest(
"filter",
"blur(1px) drop-shadow(0 0 0 blue) url(red.svg#blue)",
[
'<span data-filters="blur(1px) drop-shadow(0 0 0 blue) ',
'url(red.svg#blue)"><span>',
"blur(1px) drop-shadow(0 0 0 ",
{ name: "blue", colorFunction: "drop-shadow" },
") url(red.svg#blue)</span></span>",
]
),
makeColorTest("color", "currentColor", ["currentColor"]),
// Test a very long property.
makeColorTest(
"background-image",
"linear-gradient(to left, transparent 0, transparent 5%,#F00 0, #F00 10%,#FF0 0, #FF0 15%,#0F0 0, #0F0 20%,#0FF 0, #0FF 25%,#00F 0, #00F 30%,#800 0, #800 35%,#880 0, #880 40%,#080 0, #080 45%,#088 0, #088 50%,#008 0, #008 55%,#FFF 0, #FFF 60%,#EEE 0, #EEE 65%,#CCC 0, #CCC 70%,#999 0, #999 75%,#666 0, #666 80%,#333 0, #333 85%,#111 0, #111 90%,#000 0, #000 95%,transparent 0, transparent 100%)",
[
"linear-gradient(to left, ",
{ name: "transparent", colorFunction: "linear-gradient" },
" 0, ",
{ name: "transparent", colorFunction: "linear-gradient" },
" 5%,",
{ name: "#F00", colorFunction: "linear-gradient" },
" 0, ",
{ name: "#F00", colorFunction: "linear-gradient" },
" 10%,",
{ name: "#FF0", colorFunction: "linear-gradient" },
" 0, ",
{ name: "#FF0", colorFunction: "linear-gradient" },
" 15%,",
{ name: "#0F0", colorFunction: "linear-gradient" },
" 0, ",
{ name: "#0F0", colorFunction: "linear-gradient" },
" 20%,",
{ name: "#0FF", colorFunction: "linear-gradient" },
" 0, ",
{ name: "#0FF", colorFunction: "linear-gradient" },
" 25%,",
{ name: "#00F", colorFunction: "linear-gradient" },
" 0, ",
{ name: "#00F", colorFunction: "linear-gradient" },
" 30%,",
{ name: "#800", colorFunction: "linear-gradient" },
" 0, ",
{ name: "#800", colorFunction: "linear-gradient" },
" 35%,",
{ name: "#880", colorFunction: "linear-gradient" },
" 0, ",
{ name: "#880", colorFunction: "linear-gradient" },
" 40%,",
{ name: "#080", colorFunction: "linear-gradient" },
" 0, ",
{ name: "#080", colorFunction: "linear-gradient" },
" 45%,",
{ name: "#088", colorFunction: "linear-gradient" },
" 0, ",
{ name: "#088", colorFunction: "linear-gradient" },
" 50%,",
{ name: "#008", colorFunction: "linear-gradient" },
" 0, ",
{ name: "#008", colorFunction: "linear-gradient" },
" 55%,",
{ name: "#FFF", colorFunction: "linear-gradient" },
" 0, ",
{ name: "#FFF", colorFunction: "linear-gradient" },
" 60%,",
{ name: "#EEE", colorFunction: "linear-gradient" },
" 0, ",
{ name: "#EEE", colorFunction: "linear-gradient" },
" 65%,",
{ name: "#CCC", colorFunction: "linear-gradient" },
" 0, ",
{ name: "#CCC", colorFunction: "linear-gradient" },
" 70%,",
{ name: "#999", colorFunction: "linear-gradient" },
" 0, ",
{ name: "#999", colorFunction: "linear-gradient" },
" 75%,",
{ name: "#666", colorFunction: "linear-gradient" },
" 0, ",
{ name: "#666", colorFunction: "linear-gradient" },
" 80%,",
{ name: "#333", colorFunction: "linear-gradient" },
" 0, ",
{ name: "#333", colorFunction: "linear-gradient" },
" 85%,",
{ name: "#111", colorFunction: "linear-gradient" },
" 0, ",
{ name: "#111", colorFunction: "linear-gradient" },
" 90%,",
{ name: "#000", colorFunction: "linear-gradient" },
" 0, ",
{ name: "#000", colorFunction: "linear-gradient" },
" 95%,",
{ name: "transparent", colorFunction: "linear-gradient" },
" 0, ",
{ name: "transparent", colorFunction: "linear-gradient" },
" 100%)",
]
),
// Note the lack of a space before the color here.
makeColorTest("border", "1px dotted#f06", [
"1px dotted ",
{ name: "#f06" },
]),
makeColorTest("color", "color-mix(in srgb, red, blue)", [
"color-mix(in srgb, ",
{ name: "red", colorFunction: "color-mix" },
", ",
{ name: "blue", colorFunction: "color-mix" },
")",
]),
makeColorTest(
"background-image",
"linear-gradient(to top, color-mix(in srgb, #008000, rgba(255, 255, 0, 0.9)), blue)",
[
"linear-gradient(to top, ",
"color-mix(in srgb, ",
{ name: "#008000", colorFunction: "color-mix" },
", ",
{ name: "rgba(255, 255, 0, 0.9)", colorFunction: "color-mix" },
"), ",
{ name: "blue", colorFunction: "linear-gradient" },
")",
]
),
];
const target = doc.querySelector("div");
ok(target, "captain, we have the div");
for (const test of tests) {
info(test.desc);
const frag = parser.parseCssProperty(test.name, test.value, {
colorSwatchClass: COLOR_TEST_CLASS,
});
target.appendChild(frag);
is(
target.innerHTML,
test.expected,
"CSS property correctly parsed for " + test.name + ": " + test.value
);
target.innerHTML = "";
}
}
function testParseCssVar(doc, parser) {
const frag = parser.parseCssProperty("color", "var(--some-kind-of-green)", {
colorSwatchClass: "test-colorswatch",
});
const target = doc.querySelector("div");
ok(target, "captain, we have the div");
target.appendChild(frag);
is(
target.innerHTML,
"var(--some-kind-of-green)",
"CSS property correctly parsed"
);
target.innerHTML = "";
}
function testParseURL(doc, parser) {
info("Test that URL parsing preserves quoting style");
const tests = [
{
desc: "simple test without quotes",
leader: "url(",
trailer: ")",
},
{
desc: "simple test with single quotes",
leader: "url('",
trailer: "')",
},
{
desc: "simple test with double quotes",
leader: 'url("',
trailer: '")',
},
{
desc: "test with single quotes and whitespace",
leader: "url( \t'",
trailer: "'\r\n\f)",
},
{
desc: "simple test with uppercase",
leader: "URL(",
trailer: ")",
},
{
desc: "bad url, missing paren",
leader: "url(",
trailer: "",
expectedTrailer: ")",
},
{
desc: "bad url, missing paren, with baseURI",
baseURI: "data:text/html,<style></style>",
leader: "url(",
trailer: "",
expectedTrailer: ")",
},
{
desc: "bad url, double quote, missing paren",
leader: 'url("',
trailer: '"',
expectedTrailer: '")',
},
{
desc: "bad url, single quote, missing paren and quote",
leader: "url('",
trailer: "",
expectedTrailer: "')",
},
];
for (const test of tests) {
const url = test.leader + "something.jpg" + test.trailer;
const frag = parser.parseCssProperty("background", url, {
urlClass: "test-urlclass",
baseURI: test.baseURI,
});
const target = doc.querySelector("div");
target.appendChild(frag);
const expectedTrailer = test.expectedTrailer || test.trailer;
const expected =
test.leader +
'<a target="_blank" class="test-urlclass" ' +
'href="something.jpg">something.jpg</a>' +
expectedTrailer;
is(target.innerHTML, expected, test.desc);
target.innerHTML = "";
}
}
function testParseFilter(doc, parser) {
const frag = parser.parseCssProperty("filter", "something invalid", {
filterSwatchClass: "test-filterswatch",
});
const swatchCount = frag.querySelectorAll(".test-filterswatch").length;
is(swatchCount, 1, "filter swatch was created");
}
function testParseBackdropFilter(doc, parser) {
const frag = parser.parseCssProperty("backdrop-filter", "something invalid", {
filterSwatchClass: "test-filterswatch",
});
const swatchCount = frag.querySelectorAll(".test-filterswatch").length;
is(swatchCount, 1, "filter swatch was created for backdrop-filter");
}
function testParseAngle(doc, parser) {
let frag = parser.parseCssProperty("rotate", "90deg", {
angleSwatchClass: "test-angleswatch",
});
let swatchCount = frag.querySelectorAll(".test-angleswatch").length;
is(swatchCount, 1, "angle swatch was created");
frag = parser.parseCssProperty(
"background-image",
"linear-gradient(90deg, red, blue",
{
angleSwatchClass: "test-angleswatch",
}
);
swatchCount = frag.querySelectorAll(".test-angleswatch").length;
is(swatchCount, 1, "angle swatch was created");
}
function testParseShape(doc, parser) {
info("Test shape parsing");
const tests = [
{
desc: "Polygon shape",
definition:
"polygon(evenodd, 0px 0px, 10%200px,30%30% , calc(250px - 10px) 0 ,\n " +
"12em var(--variable), 100% 100%) margin-box",
spanCount: 18,
},
{
desc: "POLYGON()",
definition:
"POLYGON(evenodd, 0px 0px, 10%200px,30%30% , calc(250px - 10px) 0 ,\n " +
"12em var(--variable), 100% 100%) margin-box",
spanCount: 18,
},
{
desc: "Invalid polygon shape",
definition: "polygon(0px 0px 100px 20px, 20% 20%)",
spanCount: 0,
},
{
desc: "Circle shape with all arguments",
definition: "circle(25% at\n 30% 200px) border-box",
spanCount: 4,
},
{
desc: "Circle shape with only one center",
definition: "circle(25em at 40%)",
spanCount: 3,
},
{
desc: "Circle shape with no radius",
definition: "circle(at 30% 40%)",
spanCount: 3,
},
{
desc: "Circle shape with no center",
definition: "circle(12em)",
spanCount: 1,
},
{
desc: "Circle shape with no arguments",
definition: "circle()",
spanCount: 0,
},
{
desc: "Circle shape with no space before at",
definition: "circle(25%at 30% 30%)",
spanCount: 4,
},
{
desc: "CIRCLE",
definition: "CIRCLE(12em)",
spanCount: 1,
},
{
desc: "Invalid circle shape",
definition: "circle(25%at30%30%)",
spanCount: 0,
},
{
desc: "Ellipse shape with all arguments",
definition: "ellipse(200px 10em at 25% 120px) content-box",
spanCount: 5,
},
{
desc: "Ellipse shape with only one center",
definition: "ellipse(200px 10% at 120px)",
spanCount: 4,
},
{
desc: "Ellipse shape with no radius",
definition: "ellipse(at 25% 120px)",
spanCount: 3,
},
{
desc: "Ellipse shape with no center",
definition: "ellipse(200px\n10em)",
spanCount: 2,
},
{
desc: "Ellipse shape with no arguments",
definition: "ellipse()",
spanCount: 0,
},
{
desc: "ELLIPSE()",
definition: "ELLIPSE(200px 10em)",
spanCount: 2,
},
{
desc: "Invalid ellipse shape",
definition: "ellipse(200px100px at 30$ 20%)",
spanCount: 0,
},
{
desc: "Inset shape with 4 arguments",
definition: "inset(200px 100px\n 30%15%)",
spanCount: 4,
},
{
desc: "Inset shape with 3 arguments",
definition: "inset(200px 100px 15%)",
spanCount: 3,
},
{
desc: "Inset shape with 2 arguments",
definition: "inset(200px 100px)",
spanCount: 2,
},
{
desc: "Inset shape with 1 argument",
definition: "inset(200px)",
spanCount: 1,
},
{
desc: "Inset shape with 0 arguments",
definition: "inset()",
spanCount: 0,
},
{
desc: "INSET()",
definition: "INSET(200px)",
spanCount: 1,
},
{
desc: "offset-path property with inset shape value",
property: "offset-path",
definition: "inset(200px)",
spanCount: 1,
},
];
for (const { desc, definition, property = "clip-path", spanCount } of tests) {
info(desc);
const frag = parser.parseCssProperty(property, definition, {
shapeClass: "ruleview-shape",
});
const spans = frag.querySelectorAll(".ruleview-shape-point");
is(spans.length, spanCount, desc + " span count");
is(frag.textContent, definition, desc + " text content");
}
}
function testParseVariable(doc, parser) {
const TESTS = [
{
text: "var(--seen)",
variables: { "--seen": "chartreuse" },
expected:
// prettier-ignore
'<span data-color="chartreuse">' +
"<span>var(" +
'<span data-variable="--seen = chartreuse">--seen</span>)' +
"</span>" +
"</span>",
},
{
text: "var(--not-seen)",
variables: {},
expected:
// prettier-ignore
"<span>var(" +
'<span class="unmatched-class" data-variable="--not-seen is not set">--not-seen</span>' +
")</span>",
},
{
text: "var(--seen, seagreen)",
variables: { "--seen": "chartreuse" },
expected:
// prettier-ignore
'<span data-color="chartreuse">' +
"<span>var(" +
'<span data-variable="--seen = chartreuse">--seen</span>,' +
'<span class="unmatched-class"> ' +
'<span data-color="seagreen">' +
"<span>seagreen</span>" +
"</span>" +
"</span>)" +
"</span>" +
"</span>",
},
{
text: "var(--not-seen, var(--seen))",
variables: { "--seen": "chartreuse" },
expected:
// prettier-ignore
"<span>var(" +
'<span class="unmatched-class" data-variable="--not-seen is not set">--not-seen</span>,' +
"<span> " +
'<span data-color="chartreuse">' +
"<span>var(" +
'<span data-variable="--seen = chartreuse">--seen</span>)' +
"</span>" +
"</span>" +
"</span>)" +
"</span>",
},
{
text: "color-mix(in sgrb, var(--x), purple)",
variables: { "--x": "yellow" },
expected:
// prettier-ignore
`color-mix(in sgrb, ` +
`<span data-color="yellow">` +
`<span class="test-class" style="background-color:yellow" tabindex="0" role="button" data-color-function="color-mix">` +
`</span>` +
`<span>var(<span data-variable="--x = yellow">--x</span>)</span>` +
`</span>` +
`, ` +
`<span data-color="purple">` +
`<span class="test-class" style="background-color:purple" tabindex="0" role="button" data-color-function="color-mix">` +
`</span>` +
`<span>purple</span>` +
`</span>` +
`)`,
parserExtraOptions: {
colorSwatchClass: COLOR_TEST_CLASS,
},
},
{
text: "1px solid var(--seen, seagreen)",
variables: { "--seen": "chartreuse" },
expected:
// prettier-ignore
'1px solid ' +
'<span data-color="chartreuse">' +
"<span>var(" +
'<span data-variable="--seen = chartreuse">--seen</span>,' +
'<span class="unmatched-class"> ' +
'<span data-color="seagreen">' +
"<span>seagreen</span>" +
"</span>" +
"</span>)" +
"</span>" +
"</span>",
},
{
text: "1px solid var(--not-seen, seagreen)",
variables: {},
expected:
// prettier-ignore
`1px solid ` +
`<span>var(` +
`<span class="unmatched-class" data-variable="--not-seen is not set">--not-seen</span>,` +
`<span> ` +
`<span data-color="seagreen">` +
`<span>seagreen</span>` +
`</span>` +
`</span>)` +
`</span>`,
},
{
text: "rgba(var(--r), 0, 0, var(--a))",
variables: { "--r": "255", "--a": "0.5" },
expected:
// prettier-ignore
'<span data-color="rgba(255, 0, 0, 0.5)">' +
"<span>rgba("+
"<span>" +
'var(<span data-variable="--r = 255">--r</span>)' +
"</span>, 0, 0, " +
"<span>" +
'var(<span data-variable="--a = 0.5">--a</span>)' +
"</span>" +
")</span>" +
"</span>",
},
{
text: "rgb(var(--not-seen, 255), 0, 0)",
variables: {},
expected:
// prettier-ignore
'<span data-color="rgb( 255, 0, 0)">' +
"<span>rgb("+
"<span>var(" +
`<span class="unmatched-class" data-variable="--not-seen is not set">--not-seen</span>,` +
`<span> 255</span>` +
")</span>, 0, 0" +
")</span>" +
"</span>",
},
{
text: "rgb(var(--not-seen), 0, 0)",
variables: {},
expected:
// prettier-ignore
`rgb(` +
`<span>` +
`var(` +
`<span class="unmatched-class" data-variable="--not-seen is not set">` +
`--not-seen` +
`</span>` +
`)` +
`</span>` +
`, 0, 0` +
`)`,
},
];
for (const test of TESTS) {
const getValue = function (varName) {
return test.variables[varName];
};
const frag = parser.parseCssProperty("color", test.text, {
getVariableValue: getValue,
unmatchedVariableClass: "unmatched-class",
...(test.parserExtraOptions || {}),
});
const target = doc.querySelector("div");
target.appendChild(frag);
is(target.innerHTML, test.expected, test.text);
target.innerHTML = "";
}
}
function testParseColorVariable(doc, parser) {
const testCategories = [
{
desc: "Test for CSS variable defining color",
tests: [
makeColorTest("--test-var", "lime", [{ name: "lime" }]),
makeColorTest("--test-var", "#000", [{ name: "#000" }]),
],
},
{
desc: "Test for CSS variable not defining color",
tests: [
makeColorTest("--foo", "something", ["something"]),
makeColorTest("--bar", "Arial Black", ["Arial Black"]),
makeColorTest("--baz", "10vmin", ["10vmin"]),
],
},
{
desc: "Test for non CSS variable defining color",
tests: [
makeColorTest("non-css-variable", "lime", ["lime"]),
makeColorTest("-non-css-variable", "#000", ["#000"]),
],
},
];
for (const category of testCategories) {
info(category.desc);
for (const test of category.tests) {
info(test.desc);
const target = doc.querySelector("div");
const frag = parser.parseCssProperty(test.name, test.value, {
colorSwatchClass: COLOR_TEST_CLASS,
});
target.appendChild(frag);
is(
target.innerHTML,
test.expected,
`The parsed result for '${test.name}: ${test.value}' is correct`
);
target.innerHTML = "";
}
}
}
function testParseFontFamily(doc, parser) {
info("Test font-family parsing");
const tests = [
{
desc: "No fonts",
definition: "",
families: [],
},
{
desc: "List of fonts",
definition: "Arial,Helvetica,sans-serif",
families: ["Arial", "Helvetica", "sans-serif"],
},
{
desc: "Fonts with spaces",
definition: "Open Sans",
families: ["Open Sans"],
},
{
desc: "Quoted fonts",
definition: "\"Arial\",'Open Sans'",
families: ["Arial", "Open Sans"],
},
{
desc: "Fonts with extra whitespace",
definition: " Open Sans ",
families: ["Open Sans"],
},
];
const textContentTests = [
{
desc: "No whitespace between fonts",
definition: "Arial,Helvetica,sans-serif",
output: "Arial,Helvetica,sans-serif",
},
{
desc: "Whitespace between fonts",
definition: "Arial , Helvetica, sans-serif",
output: "Arial , Helvetica, sans-serif",
},
{
desc: "Whitespace before first font trimmed",
definition: " Arial,Helvetica,sans-serif",
output: "Arial,Helvetica,sans-serif",
},
{
desc: "Whitespace after last font trimmed",
definition: "Arial,Helvetica,sans-serif ",
output: "Arial,Helvetica,sans-serif",
},
{
desc: "Whitespace between quoted fonts",
definition: "'Arial' , \"Helvetica\" ",
output: "'Arial' , \"Helvetica\"",
},
{
desc: "Whitespace within font preserved",
definition: "' Ari al '",
output: "' Ari al '",
},
];
for (const { desc, definition, families } of tests) {
info(desc);
const frag = parser.parseCssProperty("font-family", definition, {
fontFamilyClass: "ruleview-font-family",
});
const spans = frag.querySelectorAll(".ruleview-font-family");
is(spans.length, families.length, desc + " span count");
for (let i = 0; i < spans.length; i++) {
is(spans[i].textContent, families[i], desc + " span contents");
}
}
info("Test font-family text content");
for (const { desc, definition, output } of textContentTests) {
info(desc);
const frag = parser.parseCssProperty("font-family", definition, {});
is(frag.textContent, output, desc + " text content matches");
}
info("Test font-family with custom properties");
const frag = parser.parseCssProperty(
"font-family",
"var(--family, Georgia, serif)",
{
getVariableValue: () => {},
unmatchedVariableClass: "unmatched-class",
fontFamilyClass: "ruleview-font-family",
}
);
const target = doc.createElement("div");
target.appendChild(frag);
is(
target.innerHTML,
// prettier-ignore
`<span>var(` +
`<span class="unmatched-class" data-variable="--family is not set">` +
`--family` +
`</span>` +
`,` +
`<span> ` +
`<span class="ruleview-font-family">Georgia</span>` +
`, ` +
`<span class="ruleview-font-family">serif</span>` +
`</span>)` +
`</span>`,
"Got expected output for font-family with custom properties"
);
}