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urltomarkdown/node_modules/cssstyle/lib/CSSStyleDeclaration.test.js

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'use strict';
var { CSSStyleDeclaration } = require('./CSSStyleDeclaration');
var allProperties = require('./allProperties');
var allExtraProperties = require('./allExtraProperties');
var implementedProperties = require('./implementedProperties');
var parsers = require('./parsers');
var dashedProperties = [...allProperties, ...allExtraProperties];
var allowedProperties = dashedProperties.map(parsers.dashedToCamelCase);
implementedProperties = Array.from(implementedProperties).map(parsers.dashedToCamelCase);
var invalidProperties = implementedProperties.filter(prop => !allowedProperties.includes(prop));
describe('CSSStyleDeclaration', () => {
test('has only valid properties implemented', () => {
expect(invalidProperties.length).toEqual(0);
});
test('has all properties', () => {
var style = new CSSStyleDeclaration();
allProperties.forEach(property => {
expect(style.__lookupGetter__(property)).toBeTruthy();
expect(style.__lookupSetter__(property)).toBeTruthy();
});
});
test('has dashed properties', () => {
var style = new CSSStyleDeclaration();
dashedProperties.forEach(property => {
expect(style.__lookupGetter__(property)).toBeTruthy();
expect(style.__lookupSetter__(property)).toBeTruthy();
});
});
test('has all functions', () => {
var style = new CSSStyleDeclaration();
expect(typeof style.item).toEqual('function');
expect(typeof style.getPropertyValue).toEqual('function');
expect(typeof style.setProperty).toEqual('function');
expect(typeof style.getPropertyPriority).toEqual('function');
expect(typeof style.removeProperty).toEqual('function');
// TODO - deprecated according to MDN and not implemented at all, can we remove?
expect(typeof style.getPropertyCSSValue).toEqual('function');
});
test('has special properties', () => {
var style = new CSSStyleDeclaration();
expect(style.__lookupGetter__('cssText')).toBeTruthy();
expect(style.__lookupSetter__('cssText')).toBeTruthy();
expect(style.__lookupGetter__('length')).toBeTruthy();
expect(style.__lookupSetter__('length')).toBeTruthy();
expect(style.__lookupGetter__('parentRule')).toBeTruthy();
});
test('from style string', () => {
var style = new CSSStyleDeclaration();
style.cssText = 'color: blue; background-color: red; width: 78%; height: 50vh;';
expect(style.length).toEqual(4);
expect(style.cssText).toEqual('color: blue; background-color: red; width: 78%; height: 50vh;');
expect(style.getPropertyValue('color')).toEqual('blue');
expect(style.item(0)).toEqual('color');
expect(style[1]).toEqual('background-color');
expect(style.backgroundColor).toEqual('red');
style.cssText = '';
expect(style.cssText).toEqual('');
expect(style.length).toEqual(0);
});
test('from properties', () => {
var style = new CSSStyleDeclaration();
style.color = 'blue';
expect(style.length).toEqual(1);
expect(style[0]).toEqual('color');
expect(style.cssText).toEqual('color: blue;');
expect(style.item(0)).toEqual('color');
expect(style.color).toEqual('blue');
style.backgroundColor = 'red';
expect(style.length).toEqual(2);
expect(style[0]).toEqual('color');
expect(style[1]).toEqual('background-color');
expect(style.cssText).toEqual('color: blue; background-color: red;');
expect(style.backgroundColor).toEqual('red');
style.removeProperty('color');
expect(style[0]).toEqual('background-color');
});
test('shorthand properties', () => {
var style = new CSSStyleDeclaration();
style.background = 'blue url(http://www.example.com/some_img.jpg)';
expect(style.backgroundColor).toEqual('blue');
expect(style.backgroundImage).toEqual('url(http://www.example.com/some_img.jpg)');
expect(style.background).toEqual('blue url(http://www.example.com/some_img.jpg)');
style.border = '0 solid black';
expect(style.borderWidth).toEqual('0px');
expect(style.borderStyle).toEqual('solid');
expect(style.borderColor).toEqual('black');
expect(style.borderTopWidth).toEqual('0px');
expect(style.borderLeftStyle).toEqual('solid');
expect(style.borderBottomColor).toEqual('black');
style.font = '12em monospace';
expect(style.fontSize).toEqual('12em');
expect(style.fontFamily).toEqual('monospace');
});
test('width and height properties and null and empty strings', () => {
var style = new CSSStyleDeclaration();
style.height = 6;
expect(style.height).toEqual('');
style.width = 0;
expect(style.width).toEqual('0px');
style.height = '34%';
expect(style.height).toEqual('34%');
style.height = '100vh';
expect(style.height).toEqual('100vh');
style.height = '100vw';
expect(style.height).toEqual('100vw');
style.height = '';
expect(1).toEqual(style.length);
expect(style.cssText).toEqual('width: 0px;');
style.width = null;
expect(0).toEqual(style.length);
expect(style.cssText).toEqual('');
});
test('implicit properties', () => {
var style = new CSSStyleDeclaration();
style.borderWidth = 0;
expect(style.length).toEqual(1);
expect(style.borderWidth).toEqual('0px');
expect(style.borderTopWidth).toEqual('0px');
expect(style.borderBottomWidth).toEqual('0px');
expect(style.borderLeftWidth).toEqual('0px');
expect(style.borderRightWidth).toEqual('0px');
expect(style.cssText).toEqual('border-width: 0px;');
});
test('top, left, right, bottom properties', () => {
var style = new CSSStyleDeclaration();
style.top = 0;
style.left = '0%';
style.right = '5em';
style.bottom = '12pt';
expect(style.top).toEqual('0px');
expect(style.left).toEqual('0%');
expect(style.right).toEqual('5em');
expect(style.bottom).toEqual('12pt');
expect(style.length).toEqual(4);
expect(style.cssText).toEqual('top: 0px; left: 0%; right: 5em; bottom: 12pt;');
});
test('clear and clip properties', () => {
var style = new CSSStyleDeclaration();
style.clear = 'none';
expect(style.clear).toEqual('none');
style.clear = 'lfet';
expect(style.clear).toEqual('none');
style.clear = 'left';
expect(style.clear).toEqual('left');
style.clear = 'right';
expect(style.clear).toEqual('right');
style.clear = 'both';
expect(style.clear).toEqual('both');
style.clip = 'elipse(5px, 10px)';
expect(style.clip).toEqual('');
expect(style.length).toEqual(1);
style.clip = 'rect(0, 3Em, 2pt, 50%)';
expect(style.clip).toEqual('rect(0px, 3em, 2pt, 50%)');
expect(style.length).toEqual(2);
expect(style.cssText).toEqual('clear: both; clip: rect(0px, 3em, 2pt, 50%);');
});
test('colors', () => {
var style = new CSSStyleDeclaration();
style.color = 'rgba(0,0,0,0)';
expect(style.color).toEqual('rgba(0, 0, 0, 0)');
style.color = 'rgba(5%, 10%, 20%, 0.4)';
expect(style.color).toEqual('rgba(12, 25, 51, 0.4)');
style.color = 'rgb(33%, 34%, 33%)';
expect(style.color).toEqual('rgb(84, 86, 84)');
style.color = 'rgba(300, 200, 100, 1.5)';
expect(style.color).toEqual('rgb(255, 200, 100)');
style.color = 'hsla(0, 1%, 2%, 0.5)';
expect(style.color).toEqual('rgba(5, 5, 5, 0.5)');
style.color = 'hsl(0, 1%, 2%)';
expect(style.color).toEqual('rgb(5, 5, 5)');
style.color = 'rebeccapurple';
expect(style.color).toEqual('rebeccapurple');
style.color = 'transparent';
expect(style.color).toEqual('transparent');
style.color = 'currentcolor';
expect(style.color).toEqual('currentcolor');
style.color = '#ffffffff';
expect(style.color).toEqual('rgba(255, 255, 255, 1)');
style.color = '#fffa';
expect(style.color).toEqual('rgba(255, 255, 255, 0.667)');
style.color = '#ffffff66';
expect(style.color).toEqual('rgba(255, 255, 255, 0.4)');
});
test('short hand properties with embedded spaces', () => {
var style = new CSSStyleDeclaration();
style.background = 'rgb(0, 0, 0) url(/something/somewhere.jpg)';
expect(style.backgroundColor).toEqual('rgb(0, 0, 0)');
expect(style.backgroundImage).toEqual('url(/something/somewhere.jpg)');
expect(style.cssText).toEqual('background: rgb(0, 0, 0) url(/something/somewhere.jpg);');
style = new CSSStyleDeclaration();
style.border = ' 1px solid black ';
expect(style.border).toEqual('1px solid black');
});
test('setting shorthand properties to an empty string should clear all dependent properties', () => {
var style = new CSSStyleDeclaration();
style.borderWidth = '1px';
expect(style.cssText).toEqual('border-width: 1px;');
style.border = '';
expect(style.cssText).toEqual('');
});
test('setting implicit properties to an empty string should clear all dependent properties', () => {
var style = new CSSStyleDeclaration();
style.borderTopWidth = '1px';
expect(style.cssText).toEqual('border-top-width: 1px;');
style.borderWidth = '';
expect(style.cssText).toEqual('');
});
test('setting a shorthand property, whose shorthands are implicit properties, to an empty string should clear all dependent properties', () => {
var style = new CSSStyleDeclaration();
style.borderTopWidth = '1px';
expect(style.cssText).toEqual('border-top-width: 1px;');
style.border = '';
expect(style.cssText).toEqual('');
style.borderTop = '1px solid black';
expect(style.cssText).toEqual('border-top: 1px solid black;');
style.border = '';
expect(style.cssText).toEqual('');
});
test('setting border values to "none" should clear dependent values', () => {
var style = new CSSStyleDeclaration();
style.borderTopWidth = '1px';
expect(style.cssText).toEqual('border-top-width: 1px;');
style.border = 'none';
expect(style.cssText).toEqual('');
style.borderTopWidth = '1px';
expect(style.cssText).toEqual('border-top-width: 1px;');
style.borderTopStyle = 'none';
expect(style.cssText).toEqual('');
style.borderTopWidth = '1px';
expect(style.cssText).toEqual('border-top-width: 1px;');
style.borderTop = 'none';
expect(style.cssText).toEqual('');
style.borderTopWidth = '1px';
style.borderLeftWidth = '1px';
expect(style.cssText).toEqual('border-top-width: 1px; border-left-width: 1px;');
style.borderTop = 'none';
expect(style.cssText).toEqual('border-left-width: 1px;');
});
test('setting border to 0 should be okay', () => {
var style = new CSSStyleDeclaration();
style.border = 0;
expect(style.cssText).toEqual('border: 0px;');
});
test('setting values implicit and shorthand properties via csstext and setproperty should propagate to dependent properties', () => {
var style = new CSSStyleDeclaration();
style.cssText = 'border: 1px solid black;';
expect(style.cssText).toEqual('border: 1px solid black;');
expect(style.borderTop).toEqual('1px solid black');
style.border = '';
expect(style.cssText).toEqual('');
style.setProperty('border', '1px solid black');
expect(style.cssText).toEqual('border: 1px solid black;');
});
test('setting opacity should work', () => {
var style = new CSSStyleDeclaration();
style.setProperty('opacity', 0.75);
expect(style.cssText).toEqual('opacity: 0.75;');
style.opacity = '0.50';
expect(style.cssText).toEqual('opacity: 0.5;');
style.opacity = 1;
expect(style.cssText).toEqual('opacity: 1;');
});
test('width and height of auto should work', () => {
var style = new CSSStyleDeclaration();
style.width = 'auto';
expect(style.cssText).toEqual('width: auto;');
expect(style.width).toEqual('auto');
style = new CSSStyleDeclaration();
style.height = 'auto';
expect(style.cssText).toEqual('height: auto;');
expect(style.height).toEqual('auto');
});
test('padding and margin should set/clear shorthand properties', () => {
var style = new CSSStyleDeclaration();
var parts = ['Top', 'Right', 'Bottom', 'Left'];
var testParts = function(name, v, V) {
style[name] = v;
for (var i = 0; i < 4; i++) {
var part = name + parts[i];
expect(style[part]).toEqual(V[i]);
}
expect(style[name]).toEqual(v);
style[name] = '';
};
testParts('padding', '1px', ['1px', '1px', '1px', '1px']);
testParts('padding', '1px 2%', ['1px', '2%', '1px', '2%']);
testParts('padding', '1px 2px 3px', ['1px', '2px', '3px', '2px']);
testParts('padding', '1px 2px 3px 4px', ['1px', '2px', '3px', '4px']);
style.paddingTop = style.paddingRight = style.paddingBottom = style.paddingLeft = '1px';
testParts('padding', '', ['', '', '', '']);
testParts('margin', '1px', ['1px', '1px', '1px', '1px']);
testParts('margin', '1px auto', ['1px', 'auto', '1px', 'auto']);
testParts('margin', '1px 2% 3px', ['1px', '2%', '3px', '2%']);
testParts('margin', '1px 2px 3px 4px', ['1px', '2px', '3px', '4px']);
style.marginTop = style.marginRight = style.marginBottom = style.marginLeft = '1px';
testParts('margin', '', ['', '', '', '']);
});
test('padding and margin shorthands should set main properties', () => {
var style = new CSSStyleDeclaration();
var parts = ['Top', 'Right', 'Bottom', 'Left'];
var testParts = function(name, v, V) {
var expected;
for (var i = 0; i < 4; i++) {
style[name] = v;
style[name + parts[i]] = V;
expected = v.split(/ /);
expected[i] = V;
expected = expected.join(' ');
expect(style[name]).toEqual(expected);
}
};
testParts('padding', '1px 2px 3px 4px', '10px');
testParts('margin', '1px 2px 3px 4px', '10px');
testParts('margin', '1px 2px 3px 4px', 'auto');
});
test('setting a value to 0 should return the string value', () => {
var style = new CSSStyleDeclaration();
style.setProperty('fill-opacity', 0);
expect(style.fillOpacity).toEqual('0');
});
test('onchange callback should be called when the csstext changes', () => {
var style = new CSSStyleDeclaration(function(cssText) {
expect(cssText).toEqual('opacity: 0;');
});
style.setProperty('opacity', 0);
});
test('setting float should work the same as cssfloat', () => {
var style = new CSSStyleDeclaration();
style.float = 'left';
expect(style.cssFloat).toEqual('left');
});
test('setting improper css to csstext should not throw', () => {
var style = new CSSStyleDeclaration();
style.cssText = 'color: ';
expect(style.cssText).toEqual('');
style.color = 'black';
style.cssText = 'float: ';
expect(style.cssText).toEqual('');
});
test('url parsing works with quotes', () => {
var style = new CSSStyleDeclaration();
style.backgroundImage = 'url(http://some/url/here1.png)';
expect(style.backgroundImage).toEqual('url(http://some/url/here1.png)');
style.backgroundImage = "url('http://some/url/here2.png')";
expect(style.backgroundImage).toEqual('url(http://some/url/here2.png)');
style.backgroundImage = 'url("http://some/url/here3.png")';
expect(style.backgroundImage).toEqual('url(http://some/url/here3.png)');
});
test('setting 0 to a padding or margin works', () => {
var style = new CSSStyleDeclaration();
style.padding = 0;
expect(style.cssText).toEqual('padding: 0px;');
style.margin = '1em';
style.marginTop = '0';
expect(style.marginTop).toEqual('0px');
});
test('setting ex units to a padding or margin works', () => {
var style = new CSSStyleDeclaration();
style.padding = '1ex';
expect(style.cssText).toEqual('padding: 1ex;');
style.margin = '1em';
style.marginTop = '0.5ex';
expect(style.marginTop).toEqual('0.5ex');
});
test('setting null to background works', () => {
var style = new CSSStyleDeclaration();
style.background = 'red';
expect(style.cssText).toEqual('background: red;');
style.background = null;
expect(style.cssText).toEqual('');
});
test('flex properties should keep their values', () => {
var style = new CSSStyleDeclaration();
style.flexDirection = 'column';
expect(style.cssText).toEqual('flex-direction: column;');
style.flexDirection = 'row';
expect(style.cssText).toEqual('flex-direction: row;');
});
test('camelcase properties are not assigned with `.setproperty()`', () => {
var style = new CSSStyleDeclaration();
style.setProperty('fontSize', '12px');
expect(style.cssText).toEqual('');
});
test('casing is ignored in `.setproperty()`', () => {
var style = new CSSStyleDeclaration();
style.setProperty('FoNt-SiZe', '12px');
expect(style.fontSize).toEqual('12px');
expect(style.getPropertyValue('font-size')).toEqual('12px');
});
test('support non string entries in border-spacing', () => {
var style = new CSSStyleDeclaration();
style.borderSpacing = 0;
expect(style.cssText).toEqual('border-spacing: 0px;');
});
test('float should be valid property for `.setproperty()`', () => {
var style = new CSSStyleDeclaration();
style.setProperty('float', 'left');
expect(style.float).toEqual('left');
expect(style.getPropertyValue('float')).toEqual('left');
});
test('flex-shrink works', () => {
var style = new CSSStyleDeclaration();
style.setProperty('flex-shrink', 0);
expect(style.getPropertyValue('flex-shrink')).toEqual('0');
style.setProperty('flex-shrink', 1);
expect(style.getPropertyValue('flex-shrink')).toEqual('1');
expect(style.cssText).toEqual('flex-shrink: 1;');
});
test('flex-grow works', () => {
var style = new CSSStyleDeclaration();
style.setProperty('flex-grow', 2);
expect(style.getPropertyValue('flex-grow')).toEqual('2');
expect(style.cssText).toEqual('flex-grow: 2;');
});
test('flex-basis works', () => {
var style = new CSSStyleDeclaration();
style.setProperty('flex-basis', 0);
expect(style.getPropertyValue('flex-basis')).toEqual('0px');
style.setProperty('flex-basis', '250px');
expect(style.getPropertyValue('flex-basis')).toEqual('250px');
style.setProperty('flex-basis', '10em');
expect(style.getPropertyValue('flex-basis')).toEqual('10em');
style.setProperty('flex-basis', '30%');
expect(style.getPropertyValue('flex-basis')).toEqual('30%');
expect(style.cssText).toEqual('flex-basis: 30%;');
});
test('shorthand flex works', () => {
var style = new CSSStyleDeclaration();
style.setProperty('flex', 'none');
expect(style.getPropertyValue('flex-grow')).toEqual('0');
expect(style.getPropertyValue('flex-shrink')).toEqual('0');
expect(style.getPropertyValue('flex-basis')).toEqual('auto');
style.removeProperty('flex');
style.removeProperty('flex-basis');
style.setProperty('flex', 'auto');
expect(style.getPropertyValue('flex-grow')).toEqual('');
expect(style.getPropertyValue('flex-shrink')).toEqual('');
expect(style.getPropertyValue('flex-basis')).toEqual('auto');
style.removeProperty('flex');
style.setProperty('flex', '0 1 250px');
expect(style.getPropertyValue('flex')).toEqual('0 1 250px');
expect(style.getPropertyValue('flex-grow')).toEqual('0');
expect(style.getPropertyValue('flex-shrink')).toEqual('1');
expect(style.getPropertyValue('flex-basis')).toEqual('250px');
style.removeProperty('flex');
style.setProperty('flex', '2');
expect(style.getPropertyValue('flex-grow')).toEqual('2');
expect(style.getPropertyValue('flex-shrink')).toEqual('');
expect(style.getPropertyValue('flex-basis')).toEqual('');
style.removeProperty('flex');
style.setProperty('flex', '20%');
expect(style.getPropertyValue('flex-grow')).toEqual('');
expect(style.getPropertyValue('flex-shrink')).toEqual('');
expect(style.getPropertyValue('flex-basis')).toEqual('20%');
style.removeProperty('flex');
style.setProperty('flex', '2 2');
expect(style.getPropertyValue('flex-grow')).toEqual('2');
expect(style.getPropertyValue('flex-shrink')).toEqual('2');
expect(style.getPropertyValue('flex-basis')).toEqual('');
style.removeProperty('flex');
});
test('font-size get a valid value', () => {
var style = new CSSStyleDeclaration();
const invalidValue = '1r5px';
style.cssText = 'font-size: 15px';
expect(1).toEqual(style.length);
style.cssText = `font-size: ${invalidValue}`;
expect(0).toEqual(style.length);
expect(undefined).toEqual(style[0]);
});
test('getPropertyValue for custom properties in cssText', () => {
const style = new CSSStyleDeclaration();
style.cssText = '--foo: red';
expect(style.getPropertyValue('--foo')).toEqual('red');
});
test('getPropertyValue for custom properties with setProperty', () => {
const style = new CSSStyleDeclaration();
style.setProperty('--bar', 'blue');
expect(style.getPropertyValue('--bar')).toEqual('blue');
});
test('getPropertyValue for custom properties with object setter', () => {
const style = new CSSStyleDeclaration();
style['--baz'] = 'yellow';
expect(style.getPropertyValue('--baz')).toEqual('');
});
test('custom properties are case-sensitive', () => {
const style = new CSSStyleDeclaration();
style.cssText = '--fOo: purple';
expect(style.getPropertyValue('--foo')).toEqual('');
expect(style.getPropertyValue('--fOo')).toEqual('purple');
});
test('supports calc', () => {
const style = new CSSStyleDeclaration();
style.setProperty('width', 'calc(100% - 100px)');
expect(style.getPropertyValue('width')).toEqual('calc(100% - 100px)');
});
});
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