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attrs-lookup-test.js
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attrs-lookup-test.js
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import { RenderingTest, moduleFor } from '../../utils/test-case';
import { Component } from '../../utils/helpers';
import { set } from 'ember-metal/property_set';
import { computed } from 'ember-metal/computed';
import { styles } from '../../utils/test-helpers';
moduleFor('Components test: attrs lookup', class extends RenderingTest {
['@test it should be able to lookup attrs without `attrs.` - template access']() {
this.registerComponent('foo-bar', { template: '{{first}}' });
this.render(`{{foo-bar first=firstAttr}}`, {
firstAttr: 'first attr'
});
this.assertText('first attr');
this.runTask(() => this.rerender());
this.assertText('first attr');
this.runTask(() => set(this.context, 'firstAttr', 'second attr'));
this.assertText('second attr');
this.runTask(() => set(this.context, 'firstAttr', 'first attr'));
this.assertText('first attr');
}
['@test it should be able to lookup attrs without `attrs.` - component access'](assert) {
let instance;
let FooBarComponent = Component.extend({
init() {
this._super(...arguments);
instance = this;
}
});
this.registerComponent('foo-bar', { ComponentClass: FooBarComponent, template: '{{first}}' });
this.render(`{{foo-bar first=firstAttr}}`, {
firstAttr: 'first attr'
});
assert.equal(instance.get('first'), 'first attr');
this.runTask(() => this.rerender());
assert.equal(instance.get('first'), 'first attr');
this.runTask(() => set(this.context, 'firstAttr', 'second attr'));
assert.equal(instance.get('first'), 'second attr');
this.runTask(() => set(this.context, 'firstAttr', 'first attr'));
this.assertText('first attr');
}
['@htmlbars should be able to modify a provided attr into local state #11571 / #11559'](assert) {
let instance;
let FooBarComponent = Component.extend({
init() {
this._super(...arguments);
instance = this;
},
didReceiveAttrs() {
this.set('first', this.getAttr('first').toUpperCase());
}
});
this.registerComponent('foo-bar', { ComponentClass: FooBarComponent, template: '{{first}}' });
this.render(`{{foo-bar first=firstAttr}}`, {
firstAttr: 'first attr'
});
assert.equal(instance.get('first'), 'FIRST ATTR', 'component lookup uses local state');
this.assertText('FIRST ATTR');
this.runTask(() => this.rerender());
assert.equal(instance.get('first'), 'FIRST ATTR', 'component lookup uses local state during rerender');
this.assertText('FIRST ATTR');
// TODO: For some reason didReceiveAttrs is not called after this mutation occurs,
// See https://github.com/emberjs/ember.js/pull/13203
// this.runTask(() => set(this.context, 'firstAttr', 'second attr'));
// assert.equal(instance.get('first'), 'SECOND ATTR', 'component lookup uses modified local state');
// this.assertText('SECOND ATTR');
this.runTask(() => set(this.context, 'firstAttr', 'first attr'));
assert.equal(instance.get('first'), 'FIRST ATTR', 'component lookup uses reset local state');
this.assertText('FIRST ATTR');
}
['@test should be able to access unspecified attr #12035'](assert) {
let instance;
let wootVal = 'yes';
let FooBarComponent = Component.extend({
init() {
this._super(...arguments);
instance = this;
},
didReceiveAttrs() {
assert.equal(this.get('woot'), wootVal, 'found attr in didReceiveAttrs');
}
});
this.registerComponent('foo-bar', { ComponentClass: FooBarComponent });
this.render(`{{foo-bar woot=woot}}`, {
woot: wootVal
});
assert.equal(instance.get('woot'), 'yes', 'component found attr');
this.runTask(() => this.rerender());
assert.equal(instance.get('woot'), 'yes', 'component found attr after rerender');
this.runTask(() => {
wootVal = 'nope';
set(this.context, 'woot', wootVal);
});
assert.equal(instance.get('woot'), 'nope', 'component found attr after attr change');
this.runTask(() => {
wootVal = 'yes';
set(this.context, 'woot', wootVal);
});
assert.equal(instance.get('woot'), 'yes', 'component found attr after reset');
}
['@htmlbars getAttr() should return the same value as get()'](assert) {
assert.expect(20);
let instance;
let FooBarComponent = Component.extend({
init() {
this._super(...arguments);
instance = this;
},
didReceiveAttrs() {
let rootFirst = this.get('first');
let rootSecond = this.get('second');
let attrFirst = this.getAttr('first');
let attrSecond = this.getAttr('second');
equal(rootFirst, attrFirst, 'root property matches attrs value');
equal(rootSecond, attrSecond, 'root property matches attrs value');
}
});
this.registerComponent('foo-bar', { ComponentClass: FooBarComponent });
this.render(`{{foo-bar first=first second=second}}`, {
first: 'first',
second: 'second'
});
assert.equal(instance.get('first'), 'first', 'matches known value');
assert.equal(instance.get('second'), 'second', 'matches known value');
this.runTask(() => this.rerender());
assert.equal(instance.get('first'), 'first', 'matches known value');
assert.equal(instance.get('second'), 'second', 'matches known value');
this.runTask(() => {
set(this.context, 'first', 'third');
});
assert.equal(instance.get('first'), 'third', 'matches known value');
assert.equal(instance.get('second'), 'second', 'matches known value');
this.runTask(() => {
set(this.context, 'second', 'fourth');
});
assert.equal(instance.get('first'), 'third', 'matches known value');
assert.equal(instance.get('second'), 'fourth', 'matches known value');
this.runTask(() => {
set(this.context, 'first', 'first');
set(this.context, 'second', 'second');
});
assert.equal(instance.get('first'), 'first', 'matches known value');
assert.equal(instance.get('second'), 'second', 'matches known value');
}
['@test bound computed properties can be overriden in extensions, set during init, and passed in as attrs']() {
let FooClass = Component.extend({
attributeBindings: ['style'],
style: computed('height', 'color', function() {
let height = this.get('height');
let color = this.get('color');
return `height: ${height}px; background-color: ${color};`;
}),
color: 'red',
height: 20
});
let BarClass = FooClass.extend({
init() {
this._super(...arguments);
this.height = 150;
},
color: 'yellow'
});
this.registerComponent('x-foo', { ComponentClass: FooClass });
this.registerComponent('x-bar', { ComponentClass: BarClass });
this.render('{{x-foo}}{{x-bar}}{{x-bar color="green"}}');
this.assertComponentElement(this.firstChild, { tagName: 'div', attrs: { style: styles('height: 20px; background-color: red;') } });
this.assertComponentElement(this.nthChild(1), { tagName: 'div', attrs: { style: styles('height: 150px; background-color: yellow;') } });
this.assertComponentElement(this.nthChild(2), { tagName: 'div', attrs: { style: styles('height: 150px; background-color: green;') } });
this.assertStableRerender();
// No U-R
}
});