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svelte/test/runtime/samples/binding-select-multiple/_config.js

68 lines
1.5 KiB

export default {
props: {
selected: [ 'two', 'three' ]
},
html: `
<select multiple>
<option value="one">one</option>
<option value="two">two</option>
<option value="three">three</option>
</select>
<p>selected: two, three</p>
`,
async test({ assert, component, target, window }) {
const select = target.querySelector( 'select' );
const options = [ ...target.querySelectorAll( 'option' ) ];
const change = new window.Event( 'change' );
options[1].selected = false;
await select.dispatchEvent( change );
assert.deepEqual( component.selected, [ 'three' ] );
assert.htmlEqual( target.innerHTML, `
<select multiple>
<option value="one">one</option>
<option value="two">two</option>
<option value="three">three</option>
</select>
<p>selected: three</p>
` );
options[0].selected = true;
await select.dispatchEvent( change );
assert.deepEqual( component.selected, [ 'one', 'three' ] );
assert.htmlEqual( target.innerHTML, `
<select multiple>
<option value="one">one</option>
<option value="two">two</option>
<option value="three">three</option>
</select>
<p>selected: one, three</p>
` );
component.selected = [ 'one', 'two' ];
assert.ok( options[0].selected );
assert.ok( options[1].selected );
assert.ok( !options[2].selected );
assert.htmlEqual( target.innerHTML, `
<select multiple>
<option value="one">one</option>
<option value="two">two</option>
<option value="three">three</option>
</select>
<p>selected: one, two</p>
` );
}
};