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import Dom from '../../src/lib/dom';
describe('Dom', () => {
describe('#addClass', () => {
describe('HTMLElement', () => {
it('Should add class for HTMLElement if passed single string name', () => {
const element = document.createElement('div');
Dom.addClass(element, 'test');
assert(element.className === 'test');
});
it('Should add class for HTMLElement if passed multiple string name', () => {
const element = document.createElement('div');
Dom.addClass(element, 'test1 test2 test3');
assert(element.className === 'test1 test2 test3');
});
it('Should add unique classname', () => {
const element = document.createElement('div');
Dom.addClass(element, 'test1 test2 test3');
assert(element.className === 'test1 test2 test3');
Dom.addClass(element, 'test1');
assert(element.className === 'test1 test2 test3');
Dom.addClass(element, 'test1 test2');
assert(element.className === 'test1 test2 test3');
});
it('Should add array of names', () => {
const element = document.createElement('div');
Dom.addClass(element, ['test1', 'test2', 'test3']);
assert(element.className === 'test1 test2 test3');
});
});
describe('SVG', () => {
it('Should add class for SVG if passed single string name', () => {
const element = document.createElementNS('http://www.w3.org/2000/svg', 'div');
Dom.addClass(element, 'test');
assert(element.getAttribute('class') === 'test');
});
it('Should add class for SVG if passed multiple string name', () => {
const element = document.createElementNS('http://www.w3.org/2000/svg', 'div');
Dom.addClass(element, 'test1 test2 test3');
assert(element.getAttribute('class') === 'test1 test2 test3');
});
it('Should add unique classname', () => {
const element = document.createElementNS('http://www.w3.org/2000/svg', 'div');
Dom.addClass(element, 'test1 test2 test3');
assert(element.getAttribute('class') === 'test1 test2 test3');
Dom.addClass(element, 'test1');
assert(element.getAttribute('class') === 'test1 test2 test3');
Dom.addClass(element, 'test1 test2');
assert(element.getAttribute('class') === 'test1 test2 test3');
});
it('Should add array of names', () => {
const element = document.createElementNS('http://www.w3.org/2000/svg', 'div');
Dom.addClass(element, ['test1', 'test2', 'test3']);
assert(element.getAttribute('class') === 'test1 test2 test3');
});
});
describe('Memory leak detection', () => {
it('Should not leak if passed single string class name', () => {
let element = document.createElement('div');
let className = 'test-class';
Dom.addClass(element, className);
let isElementCollected = false;
global.weak(element, () => {
isElementCollected = true;
});
element = null;
global.gc();
assert.ok(isElementCollected, 'Memory leak detected! "Element" is not collected');
});
it('Should not leak if passed array of names', () => {
let element = document.createElement('div');
let className = ['test-class', 'test-class2', 'test-class3'];
Dom.addClass(element, className);
let isElementCollected = false;
global.weak(element, () => {
isElementCollected = true;
});
let isClassNameCollected = false;
global.weak(className, () => {
isClassNameCollected = true;
});
element = null;
className = null;
global.gc();
assert.ok(isElementCollected, 'Memory leak detected! "Element" is not collected');
assert.ok(isClassNameCollected, 'Memory leak detected! "className" is not collected');
});
});
});
describe('#hasClass', () => {
describe('HTML', () => {
it('Should return true if element className includes passed name', () => {
const element = document.createElement('div');
element.className = 'test1 test2 test3';
assert(Dom.hasClass(element, 'test1'));
assert(Dom.hasClass(element, 'test2'));
assert(Dom.hasClass(element, 'test3'));
});
it('Should return true if element className includes passed multiple name string', () => {
const element = document.createElement('div');
element.className = 'test1 test2 test3';
assert(Dom.hasClass(element, 'test1 test2'));
assert(Dom.hasClass(element, 'test1 test3'));
assert(Dom.hasClass(element, 'test3 test1'));
});
it('Should return true if element className includes all names from passed names array', () => {
const element = document.createElement('div');
element.className = 'test1 test2 test3';
assert(Dom.hasClass(element, ['test1', 'test2']));
assert(Dom.hasClass(element, ['test1', 'test3']));
assert(Dom.hasClass(element, ['test3', 'test1']));
});
it('Should return false if element className not includes all names from passed string', () => {
const element = document.createElement('div');
element.className = 'test1 test2 test3';
assert(!Dom.hasClass(element, 'test1 test2 test33'));
assert(!Dom.hasClass(element, 'test1 test3 te'));
assert(!Dom.hasClass(element, 'test3 test222 test1'));
});
});
describe('SVG', () => {
it('Should return true if element className includes passed name', () => {
const element = document.createElementNS('http://www.w3.org/2000/svg', 'div');
element.setAttribute('class', 'test1 test2 test3');
assert(Dom.hasClass(element, 'test1'));
assert(Dom.hasClass(element, 'test2'));
assert(Dom.hasClass(element, 'test3'));
});
it('Should return true if element className includes passed multiple name string', () => {
const element = document.createElementNS('http://www.w3.org/2000/svg', 'div');
element.setAttribute('class', 'test1 test2 test3');
assert(Dom.hasClass(element, 'test1 test2'));
assert(Dom.hasClass(element, 'test1 test3'));
assert(Dom.hasClass(element, 'test3 test1'));
});
it('Should return true if element className includes all names from passed names array', () => {
const element = document.createElementNS('http://www.w3.org/2000/svg', 'div');
element.setAttribute('class', 'test1 test2 test3');
assert(Dom.hasClass(element, ['test1', 'test2']));
assert(Dom.hasClass(element, ['test1', 'test3']));
assert(Dom.hasClass(element, ['test3', 'test1']));
});
it('Should return false if element className not includes all names from passed string', () => {
const element = document.createElementNS('http://www.w3.org/2000/svg', 'div');
element.setAttribute('class', 'test1 test2 test3');
assert(!Dom.hasClass(element, 'test1 test2 test33'));
assert(!Dom.hasClass(element, 'test1 test3 te'));
assert(!Dom.hasClass(element, 'test3 test222 test1'));
});
});
describe('Memory leak detection', () => {
it('Should not leak if passed single string class name', () => {
let element = document.createElement('div');
let className = 'test-class';
Dom.hasClass(element, className);
let isElementCollected = false;
global.weak(element, () => {
isElementCollected = true;
});
element = null;
global.gc();
assert.ok(isElementCollected, 'Memory leak detected! "Element" is not collected');
});
it('Should not leak if passed multiple string class name', () => {
let element = document.createElement('div');
let className = 'test-class test-class2 test-class3';
Dom.hasClass(element, className);
let isElementCollected = false;
global.weak(element, () => {
isElementCollected = true;
});
element = null;
global.gc();
assert.ok(isElementCollected, 'Memory leak detected! "Element" is not collected');
});
it('Should not leak if passed array of names', () => {
let element = document.createElement('div');
let className = ['test-class', 'test-class2', 'test-class3'];
Dom.hasClass(element, className);
let isElementCollected = false;
global.weak(element, () => {
isElementCollected = true;
});
let isClassNameCollected = false;
global.weak(className, () => {
isClassNameCollected = true;
});
element = null;
className = null;
global.gc();
assert.ok(isElementCollected, 'Memory leak detected! "Element" is not collected');
assert.ok(isClassNameCollected, 'Memory leak detected! "className" is not collected');
});
});
});
describe('#removeClass', () => {
describe('HTML', () => {
it('Should remove passed class name', () => {
const element = document.createElement('div');
element.className = 'test1 test2 test3';
Dom.removeClass(element, 'test1');
assert(element.className === 'test2 test3');
Dom.removeClass(element, 'test3');
assert(element.className === 'test2');
Dom.removeClass(element, 'test2');
assert(element.className === '');
Dom.removeClass(element, 'test222');
assert(element.className === '');
});
it('Should remove all names from string', () => {
const element = document.createElement('div');
element.className = 'test1 test2 test3';
Dom.removeClass(element, 'test1 test3');
assert(element.className === 'test2');
});
it('Should remove all names from names array', () => {
const element = document.createElement('div');
element.className = 'test1 test2 test3';
Dom.removeClass(element, ['test2', 'test3']);
assert(element.className === 'test1');
Dom.removeClass(element, ['test1']);
assert(element.className === '');
});
});
describe('SVG', () => {
it('Should remove passed name', () => {
const element = document.createElementNS('http://www.w3.org/2000/svg', 'div');
element.setAttribute('class', 'test1 test2 test3');
Dom.removeClass(element, 'test1');
assert(element.getAttribute('class') === 'test2 test3');
Dom.removeClass(element, 'test3');
assert(element.getAttribute('class') === 'test2');
Dom.removeClass(element, 'test2');
assert(element.getAttribute('class') === '');
});
it('Should remove all names from passed string', () => {
const element = document.createElementNS('http://www.w3.org/2000/svg', 'div');
element.setAttribute('class', 'test1 test2 test3');
Dom.removeClass(element, 'test1 test2');
assert(element.getAttribute('class') === 'test3');
});
it('Should remove all names from names array', () => {
const element = document.createElementNS('http://www.w3.org/2000/svg', 'div');
element.setAttribute('class', 'test1 test2 test3');
Dom.removeClass(element, ['test2', 'test3']);
assert(element.getAttribute('class') === 'test1');
Dom.removeClass(element, ['test1']);
assert(element.getAttribute('class') === '');
});
});
describe('Memory leak detection', () => {
it('Should not leak if passed single string class name', () => {
let element = document.createElement('div');
let className = 'test-class';
Dom.removeClass(element, className);
let isElementCollected = false;
global.weak(element, () => {
isElementCollected = true;
});
element = null;
global.gc();
assert.ok(isElementCollected, 'Memory leak detected! "Element" is not collected');
});
it('Should not leak if passed multiple string class name', () => {
let element = document.createElement('div');
let className = 'test-class test-class2 test-class3';
Dom.removeClass(element, className);
let isElementCollected = false;
global.weak(element, () => {
isElementCollected = true;
});
element = null;
global.gc();
assert.ok(isElementCollected, 'Memory leak detected! "Element" is not collected');
});
it('Should not leak if passed array of names', () => {
let element = document.createElement('div');
let className = ['test-class', 'test-class2', 'test-class3'];
Dom.removeClass(element, className);
let isElementCollected = false;
global.weak(element, () => {
isElementCollected = true;
});
let isClassNameCollected = false;
global.weak(className, () => {
isClassNameCollected = true;
});
element = null;
className = null;
global.gc();
assert.ok(isElementCollected, 'Memory leak detected! "Element" is not collected');
assert.ok(isClassNameCollected, 'Memory leak detected! "className" is not collected');
});
});
});
describe('#create', () => {
it('Should create div', () => {
const element = Dom.create('div');
const result = document.createElement('div');
assert.deepEqual(element, result);
});
it('Should create div with class', () => {
const element = Dom.create('div', {
props: {
className: 'test'
}
});
const result = document.createElement('div');
result.classList.add('test');
assert.deepEqual(element, result);
});
it('Should create div with classes', () => {
const element = Dom.create('div', {
props: {
className: 'test test2'
}
});
const result = document.createElement('div');
result.classList.add('test');
result.classList.add('test2');
assert.deepEqual(element, result);
});
it('Should create div with children as string', () => {
const element = Dom.create('div', {
children: 'test string'
});
const result = document.createElement('div');
result.innerHTML = 'test string';
assert.deepEqual(element, result);
});
it('Should create div with children array', () => {
const element = Dom.create('div', {
children: [
'test string'
]
});
const result = document.createElement('div');
result.innerHTML = 'test string';
assert.deepEqual(element, result);
});
it('Should create from object options', () => {
const element = Dom.create({
tag: 'div',
});
const result = document.createElement('div');
assert.deepEqual(element, result);
});
it('Should create from object with tag uppercase', () => {
const element = Dom.create({
tag: 'DIV',
});
const result = document.createElement('div');
assert.deepEqual(element, result);
});
describe('Memory leak detection', () => {
it('Should not leak if create element without params', () => {
let element = Dom.create('div');
let isElementCollected = false;
global.weak(element, () => {
isElementCollected = true;
});
element = null;
global.gc();
assert.ok(isElementCollected, 'Memory leak detected! "Element" is not collected');
});
it('Should not leak if create element with params', () => {
let params = {
props: {
className: 'test-class',
},
};
let element = Dom.create('div', params);
let isParamsCollected = false;
global.weak(params, () => {
isParamsCollected = true;
});
let isElementCollected = false;
global.weak(element, () => {
isElementCollected = true;
});
params = null;
element = null;
global.gc();
assert.ok(isParamsCollected, 'Memory leak detected! "params" is not collected');
assert.ok(isElementCollected, 'Memory leak detected! "element" is not collected');
});
it('Should not leak if create element with params object only', () => {
let params = {
tag: 'div',
props: {
className: 'test',
}
};
let element = Dom.create(params);
let isParamsCollected = false;
global.weak(params, () => {
isParamsCollected = true;
});
let isElementCollected = false;
global.weak(element, () => {
isElementCollected = true;
});
params = null;
element = null;
global.gc();
assert.ok(isParamsCollected, 'Memory leak detected! "params" is not collected');
assert.ok(isElementCollected, 'Memory leak detected! "element" is not collected');
});
});
});
describe('#style', () => {
xit('Should return computed property value', () => {
const element = document.createElement('div');
assert.ok(Dom.style(element, 'display') === 'block');
element.style.setProperty('width', '10px');
assert.ok(Dom.style(element, 'width') === '10px');
element.style.setProperty('height', '10px');
assert.ok(Dom.style(element, 'height') === '10px');
});
it('Should set multiple props values from object', () => {
const element = document.createElement('div');
const props = {
display: 'inline',
width: '11px',
position: 'fixed',
};
Dom.style(element, props);
assert.ok(Dom.style(element, 'display') === props.display);
assert.ok(Dom.style(element, 'width') === props.width);
assert.ok(Dom.style(element, 'position') === props.position);
});
describe('compatibility tests', () => {
it('Should return element if passed value', () => {
const element = document.createElement('div');
assert.ok(Dom.style(element, 'display', 'none') === element);
assert.ok(Dom.style(element, 'display', '') === element);
assert.ok(Dom.style(element, 'width', '100px') === element);
});
});
describe('Memory leaks detection', () => {
it('Should not retain element param', () => {
let element = document.createElement('div');
Dom.style(element, 'padding', '10px');
let isElementCollected = false;
global.weak(element, () => {
isElementCollected = true;
});
element = null;
global.gc(false);
assert.ok(isElementCollected, 'Memory leak detected! "element" is not collected');
});
it('Should not retain styles param', () => {
let element = document.createElement('div');
let styles = {padding: '10px', margin: '10px'};
Dom.style(element, styles);
let isStylesCollected = false;
global.weak(styles, () => {
isStylesCollected = true;
});
styles = null;
global.gc();
assert.ok(isStylesCollected, 'Memory leak detected! "styles" is not collected');
});
});
});
describe('#attr', () => {
let element;
beforeEach(() => {
element = document.createElement('div');
});
it('Should set/get string value', () => {
const attr = 'data-test';
const value = 'myValue';
Dom.attr(element, attr, value);
assert.ok(Dom.attr(element, attr) === value);
});
it('Should set/get string value with special chars', () => {
const attr = 'data-test';
const value = `<div class="test"></div>`;
Dom.attr(element, attr, value);
// Should be encoded and not equal the source value
assert.ok(element.getAttribute(attr) !== value);
// Should decoded and equal the source value
assert.ok(Dom.attr(element, attr) === value);
});
it('Should set/get boolean value', () => {
const attr = 'data-test';
const value1 = true;
const value2 = false;
// set/get true
Dom.attr(element, attr, value1);
assert.ok(Dom.attr(element, attr) === value1);
// set/get false
Dom.attr(element, attr, value2);
assert.ok(Dom.attr(element, attr) === value2);
});
it('Should set/get number (integer) value', () => {
const attr = 'data-test';
const value = 990;
Dom.attr(element, attr, value);
assert.ok(Dom.attr(element, attr) === value);
});
it('Should set/get number (float) value', () => {
const attr = 'data-test';
const value = 1.999;
Dom.attr(element, attr, value);
assert.ok(Dom.attr(element, attr) === value);
});
it('Should set/get number (float with leading decimal point) value', () => {
const attr = 'data-test';
const value = .999;
Dom.attr(element, attr, value);
assert.ok(Dom.attr(element, attr) === value);
});
it('Should set/get array value', () => {
const attr = 'data-test';
const value = [1, 2, 3];
Dom.attr(element, attr, value);
// Should be encoded and not equal the source value
assert.ok(element.getAttribute(attr) !== value);
// Should decoded and equal the source value
assert.deepEqual(Dom.attr(element, attr), value);
});
it('Should set/get plain object value', () => {
const attr = 'data-test';
const value = {test: 1, test2: 2};
Dom.attr(element, attr, value);
// Should be encoded and not equal the source value
assert.ok(element.getAttribute(attr) !== value);
// Should decoded and equal the source value
assert.deepEqual(Dom.attr(element, attr), value);
});
it('Should not parse boolean into string', () => {
const attr = 'data-test';
const value1 = 'test true';
const value2 = 'test false';
const value3 = 'false test';
const value4 = 'false test';
Dom.attr(element, attr, value1);
assert.ok(Dom.attr(element, attr) === value1);
Dom.attr(element, attr, value2);
assert.ok(Dom.attr(element, attr) === value2);
Dom.attr(element, attr, value3);
assert.ok(Dom.attr(element, attr) === value3);
Dom.attr(element, attr, value4);
assert.ok(Dom.attr(element, attr) === value4);
});
it('Should not parse number into string', () => {
const attr = 'data-test';
const value1 = 'test 1';
const value2 = 'test.2';
const value3 = '.3test';
const value4 = '0.4.test';
Dom.attr(element, attr, value1);
assert.ok(Dom.attr(element, attr) === value1);
Dom.attr(element, attr, value2);
assert.ok(Dom.attr(element, attr) === value2);
Dom.attr(element, attr, value3);
assert.ok(Dom.attr(element, attr) === value3);
Dom.attr(element, attr, value4);
assert.ok(Dom.attr(element, attr) === value4);
});
});
describe('toggleClass', () => {
let element;
const testClassName = 'domTest';
const testClassName1 = 'domTest1';
const testClassName2 = 'domTest2';
beforeEach(() => {
element = document.createElement('div');
});
it('Should add class', () => {
Dom.toggleClass(element, testClassName);
assert.ok(Dom.hasClass(element, testClassName));
});
it('Should remove class', () => {
Dom.addClass(element, testClassName);
Dom.toggleClass(element, testClassName);
assert.ok(!Dom.hasClass(element, testClassName));
});
it('Should toggle class', () => {
Dom.toggleClass(element, testClassName);
assert.ok(Dom.hasClass(element, testClassName));
Dom.toggleClass(element, testClassName);
assert.ok(!Dom.hasClass(element, testClassName));
Dom.toggleClass(element, testClassName);
assert.ok(Dom.hasClass(element, testClassName));
});
it('Should toggle multiple classes', () => {
Dom.toggleClass(element, [testClassName1, testClassName2]);
assert.ok(Dom.hasClass(element, testClassName1));
assert.ok(Dom.hasClass(element, testClassName2));
Dom.toggleClass(element, `${testClassName1} ${testClassName2}`);
assert.ok(!Dom.hasClass(element, testClassName1));
assert.ok(!Dom.hasClass(element, testClassName2));
});
it('Should cross toggle multiple classes', () => {
Dom.addClass(element, testClassName1);
Dom.toggleClass(element, [testClassName1, testClassName2]);
assert.ok(!Dom.hasClass(element, testClassName1));
assert.ok(Dom.hasClass(element, testClassName2));
Dom.toggleClass(element, `${testClassName1} ${testClassName2}`);
assert.ok(Dom.hasClass(element, testClassName1));
assert.ok(!Dom.hasClass(element, testClassName2));
});
it('Should ignore invalid values', () => {
Dom.toggleClass(element, [testClassName1, testClassName2, [], null]);
assert.ok(Dom.hasClass(element, testClassName1));
assert.ok(Dom.hasClass(element, testClassName2));
});
it('Should apply force', () => {
Dom.toggleClass(element, [testClassName1, testClassName2]);
assert.ok(Dom.hasClass(element, testClassName1));
assert.ok(Dom.hasClass(element, testClassName2));
Dom.toggleClass(element, `${testClassName1} test`);
assert.ok(!Dom.hasClass(element, testClassName1));
assert.ok(Dom.hasClass(element, testClassName2));
Dom.toggleClass(element, [testClassName1, testClassName2], true);
assert.ok(Dom.hasClass(element, testClassName1));
assert.ok(Dom.hasClass(element, testClassName2));
Dom.toggleClass(element, [testClassName1, testClassName2], false);
assert.ok(!Dom.hasClass(element, testClassName1));
assert.ok(!Dom.hasClass(element, testClassName2));
});
});
});