browser_filter-editor-03.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

// Tests the Filter Editor Widget add, removeAt, updateAt, getValueAt methods

const {

  CSSFilterEditorWidget,

} = require("resource://devtools/client/shared/widgets/FilterWidget.js");

const GRAYSCALE_MAX = 100;

const INVERT_MIN = 0;

const TEST_URI = CHROME_URL_ROOT + "doc_filter-editor-01.html";

add_task(async function () {

  const { doc } = await createHost("bottom", TEST_URI);

  const container = doc.querySelector("#filter-container");

  const widget = new CSSFilterEditorWidget(container, "none");

  info("Test add method");

  const blur = widget.add("blur", "10.2px");

  is(widget.getCssValue(), "blur(10.2px)", "Should add filters");

  const url = widget.add("url", "test.svg");

is(

    widget.getCssValue(),

    "blur(10.2px) url(test.svg)",

    "Should add filters in order"

);

  info("Test updateValueAt method");

  widget.updateValueAt(url, "test2.svg");

  widget.updateValueAt(blur, 5);

is(

    widget.getCssValue(),

    "blur(5px) url(test2.svg)",

    "Should update values correctly"

);

  info("Test getValueAt method");

  is(widget.getValueAt(blur), "5px", "Should return value + unit");

is(

    widget.getValueAt(url),

    "test2.svg",

    "Should return value for string-type filters"

);

  info("Test removeAt method");

  widget.removeAt(url);

  is(widget.getCssValue(), "blur(5px)", "Should remove the specified filter");

  info("Test add method applying filter range to value");

  const grayscale = widget.add("grayscale", GRAYSCALE_MAX + 1);

is(

    widget.getValueAt(grayscale),

    `${GRAYSCALE_MAX}%`,

    "Shouldn't allow values higher than max"

);

  const invert = widget.add("invert", INVERT_MIN - 1);

is(

    widget.getValueAt(invert),

    `${INVERT_MIN}%`,

    "Shouldn't allow values less than INVERT_MIN"

);

  info("Test updateValueAt method applying filter range to value");

  widget.updateValueAt(grayscale, GRAYSCALE_MAX + 1);

is(

    widget.getValueAt(grayscale),

    `${GRAYSCALE_MAX}%`,

    "Shouldn't allow values higher than max"

);

  widget.updateValueAt(invert, INVERT_MIN - 1);

is(

    widget.getValueAt(invert),

    `${INVERT_MIN}%`,

    "Shouldn't allow values less than INVERT_MIN"

);

  widget.destroy();

});