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60 lines
2.6 KiB
JavaScript
60 lines
2.6 KiB
JavaScript
var assert = require('assert');
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var snabbdom = require('../snabbdom');
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var patch = snabbdom.init([
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require('../modules/attributes'),
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]);
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var h = require('../h');
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describe('attributes', function() {
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var elm, vnode0;
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beforeEach(function() {
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elm = document.createElement('div');
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vnode0 = elm;
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});
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it('have their provided values', function() {
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var vnode1 = h('div', {attrs: {href: '/foo', minlength: 1, value: true}});
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elm = patch(vnode0, vnode1).elm;
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assert.strictEqual(elm.getAttribute('href'), '/foo');
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assert.strictEqual(elm.getAttribute('minlength'), '1');
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assert.strictEqual(elm.getAttribute('value'), 'true');
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});
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it('are not omitted when falsy values are provided', function() {
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var vnode1 = h('div', {attrs: {href: null, minlength: 0, value: false}});
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elm = patch(vnode0, vnode1).elm;
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assert.strictEqual(elm.getAttribute('href'), 'null');
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assert.strictEqual(elm.getAttribute('minlength'), '0');
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assert.strictEqual(elm.getAttribute('value'), 'false');
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});
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describe('boolean attribute', function() {
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it('is present if the value is truthy', function() {
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var vnode1 = h('div', {attrs: {required: true, readonly: 1, noresize: 'truthy'}});
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elm = patch(vnode0, vnode1).elm;
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assert.strictEqual(elm.getAttribute('required'), 'true');
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assert.strictEqual(elm.getAttribute('readonly'), '1');
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assert.strictEqual(elm.getAttribute('noresize'), 'truthy');
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});
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it('is omitted if the value is falsy', function() {
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var vnode1 = h('div', {attrs: {required: false, readonly: 0, noresize: null}});
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elm = patch(vnode0, vnode1).elm;
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assert.strictEqual(elm.getAttribute('required'), null);
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assert.strictEqual(elm.getAttribute('readonly'), null);
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assert.strictEqual(elm.getAttribute('noresize'), null);
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});
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});
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describe('Object.prototype property', function() {
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it('is not considered as a boolean attribute and shouldn\'t be omitted', function() {
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var vnode1 = h('div', {attrs: {valueOf: true, toString: 1, constructor: 'truthy'}});
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elm = patch(vnode0, vnode1).elm;
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assert.strictEqual(elm.getAttribute('valueOf'), 'true');
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assert.strictEqual(elm.getAttribute('toString'), '1');
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assert.strictEqual(elm.getAttribute('constructor'), 'truthy');
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var vnode2 = h('div', {attrs: {valueOf: false, toString: 0, constructor: null}});
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elm = patch(vnode0, vnode2).elm;
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assert.strictEqual(elm.getAttribute('valueOf'), 'false');
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assert.strictEqual(elm.getAttribute('toString'), '0');
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assert.strictEqual(elm.getAttribute('constructor'), 'null');
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})
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});
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});
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