42 lines
1.3 KiB
JavaScript
42 lines
1.3 KiB
JavaScript
|
import { module, test } from 'qunit';
|
||
|
|
import Helper from 'consul-ui/helpers/document-attrs';
|
||
|
|
|
||
|
|
const root = {
|
||
|
|
classList: {
|
||
|
|
add: () => {},
|
||
|
|
remove: () => {},
|
||
|
|
},
|
||
|
|
};
|
||
|
|
module('Unit | Helper | document-attrs', function() {
|
||
|
|
test('synchronize adds and removes values correctly', function(assert) {
|
||
|
|
let attrs, actual;
|
||
|
|
// add first helper
|
||
|
|
const a = new Helper();
|
||
|
|
attrs = a.synchronize(root, {
|
||
|
|
class: 'a b a a a a',
|
||
|
|
});
|
||
|
|
actual = [...attrs.get('class').keys()];
|
||
|
|
assert.deepEqual(actual, ['a', 'b'], 'keys are adding correctly');
|
||
|
|
const b = new Helper();
|
||
|
|
// add second helper
|
||
|
|
attrs = b.synchronize(root, {
|
||
|
|
class: 'z a a a a',
|
||
|
|
});
|
||
|
|
actual = [...attrs.get('class').keys()];
|
||
|
|
assert.deepEqual(actual, ['a', 'b', 'z'], 'more keys are added correctly');
|
||
|
|
// remove second helper
|
||
|
|
b.synchronize(root);
|
||
|
|
actual = [...attrs.get('class').keys()];
|
||
|
|
assert.deepEqual(actual, ['a', 'b'], 'keys are removed, leaving keys that need to remain');
|
||
|
|
// remove first helper
|
||
|
|
a.synchronize(root);
|
||
|
|
assert.ok(
|
||
|
|
typeof attrs.get('class') === 'undefined',
|
||
|
|
'property is completely removed once its empty'
|
||
|
|
);
|
||
|
|
assert.throws(() => {
|
||
|
|
a.synchronize(root, { data: 'a' });
|
||
|
|
}, `throws an error if the attrs isn't class`);
|
||
|
|
});
|
||
|
|
});
|