306 lines
10 KiB
JavaScript
306 lines
10 KiB
JavaScript
import { findAll, find, click, focus, render, triggerKeyEvent } from '@ember/test-helpers';
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import { module, test } from 'qunit';
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import { setupRenderingTest } from 'ember-qunit';
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import sinon from 'sinon';
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import hbs from 'htmlbars-inline-precompile';
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const TAB = 9;
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const ESC = 27;
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const SPACE = 32;
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const ARROW_UP = 38;
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const ARROW_DOWN = 40;
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module('Integration | Component | multi-select dropdown', function(hooks) {
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setupRenderingTest(hooks);
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const commonProperties = () => ({
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label: 'This is the dropdown label',
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selection: [],
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options: [
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{ key: 'consul', label: 'Consul' },
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{ key: 'nomad', label: 'Nomad' },
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{ key: 'terraform', label: 'Terraform' },
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{ key: 'packer', label: 'Packer' },
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{ key: 'vagrant', label: 'Vagrant' },
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{ key: 'vault', label: 'Vault' },
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],
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onSelect: sinon.spy(),
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});
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const commonTemplate = hbs`
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<MultiSelectDropdown
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@label={{label}}
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@options={{options}}
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@selection={{selection}}
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@onSelect={{onSelect}} />
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`;
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test('component is initially closed', async function(assert) {
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const props = commonProperties();
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this.setProperties(props);
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await render(commonTemplate);
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assert.ok(find('.dropdown-trigger'), 'Trigger is shown');
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assert.equal(
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find('[data-test-dropdown-trigger]').textContent.trim(),
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props.label,
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'Trigger is appropriately labeled'
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);
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assert.notOk(find('[data-test-dropdown-options]'), 'Options are not rendered');
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});
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test('component opens the options dropdown when clicked', async function(assert) {
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const props = commonProperties();
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this.setProperties(props);
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await render(commonTemplate);
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await click('[data-test-dropdown-trigger]');
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await assert.ok(find('[data-test-dropdown-options]'), 'Options are shown now');
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await click('[data-test-dropdown-trigger]');
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assert.notOk(find('[data-test-dropdown-options]'), 'Options are hidden after clicking again');
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});
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test('all options are shown in the options dropdown, each with a checkbox input', async function(assert) {
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const props = commonProperties();
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this.setProperties(props);
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await render(commonTemplate);
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await click('[data-test-dropdown-trigger]');
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assert.equal(
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findAll('[data-test-dropdown-option]').length,
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props.options.length,
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'All options are shown'
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);
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findAll('[data-test-dropdown-option]').forEach((optionEl, index) => {
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const label = props.options[index].label;
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assert.equal(optionEl.textContent.trim(), label, `Correct label for ${label}`);
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assert.ok(optionEl.querySelector('input[type="checkbox"]'), 'Option contains a checkbox');
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});
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});
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test('onSelect gets called when an option is clicked', async function(assert) {
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const props = commonProperties();
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this.setProperties(props);
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await render(commonTemplate);
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await click('[data-test-dropdown-trigger]');
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await click('[data-test-dropdown-option] label');
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assert.ok(props.onSelect.called, 'onSelect was called');
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const newSelection = props.onSelect.getCall(0).args[0];
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assert.deepEqual(
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newSelection,
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[props.options[0].key],
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'onSelect was called with the first option key'
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);
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});
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test('the component trigger shows the selection count when there is a selection', async function(assert) {
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const props = commonProperties();
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props.selection = [props.options[0].key, props.options[1].key];
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this.setProperties(props);
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await render(commonTemplate);
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assert.ok(
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find('[data-test-dropdown-trigger] [data-test-dropdown-count]'),
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'The count is shown'
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);
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assert.equal(
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find('[data-test-dropdown-trigger] [data-test-dropdown-count]').textContent,
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props.selection.length,
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'The count is accurate'
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);
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await this.set('selection', []);
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assert.notOk(
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find('[data-test-dropdown-trigger] [data-test-dropdown-count]'),
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'The count is no longer shown when the selection is empty'
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);
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});
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test('pressing DOWN when the trigger has focus opens the options list', async function(assert) {
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const props = commonProperties();
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this.setProperties(props);
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await render(commonTemplate);
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await focus('[data-test-dropdown-trigger]');
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assert.notOk(find('[data-test-dropdown-options]'), 'Options are not shown on focus');
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await triggerKeyEvent('[data-test-dropdown-trigger]', 'keydown', ARROW_DOWN);
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assert.ok(find('[data-test-dropdown-options]'), 'Options are now shown');
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assert.equal(
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document.activeElement,
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find('[data-test-dropdown-trigger]'),
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'The dropdown trigger maintains focus'
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);
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});
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test('pressing DOWN when the trigger has focus and the options list is open focuses the first option', async function(assert) {
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const props = commonProperties();
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this.setProperties(props);
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await render(commonTemplate);
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await focus('[data-test-dropdown-trigger]');
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await triggerKeyEvent('[data-test-dropdown-trigger]', 'keydown', ARROW_DOWN);
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await triggerKeyEvent('[data-test-dropdown-trigger]', 'keydown', ARROW_DOWN);
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assert.equal(
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document.activeElement,
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find('[data-test-dropdown-option]'),
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'The first option now has focus'
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);
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});
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test('pressing TAB when the trigger has focus and the options list is open focuses the first option', async function(assert) {
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const props = commonProperties();
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this.setProperties(props);
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await render(commonTemplate);
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await focus('[data-test-dropdown-trigger]');
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await triggerKeyEvent('[data-test-dropdown-trigger]', 'keydown', ARROW_DOWN);
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await triggerKeyEvent('[data-test-dropdown-trigger]', 'keydown', TAB);
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assert.equal(
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document.activeElement,
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find('[data-test-dropdown-option]'),
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'The first option now has focus'
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);
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});
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test('pressing UP when the first list option is focused does nothing', async function(assert) {
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const props = commonProperties();
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this.setProperties(props);
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await render(commonTemplate);
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await click('[data-test-dropdown-trigger]');
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await focus('[data-test-dropdown-option]');
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await triggerKeyEvent('[data-test-dropdown-option]', 'keydown', ARROW_UP);
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assert.equal(
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document.activeElement,
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find('[data-test-dropdown-option]'),
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'The first option maintains focus'
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);
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});
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test('pressing DOWN when the a list option is focused moves focus to the next list option', async function(assert) {
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const props = commonProperties();
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this.setProperties(props);
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await render(commonTemplate);
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await click('[data-test-dropdown-trigger]');
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await focus('[data-test-dropdown-option]');
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await triggerKeyEvent('[data-test-dropdown-option]', 'keydown', ARROW_DOWN);
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assert.equal(
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document.activeElement,
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findAll('[data-test-dropdown-option]')[1],
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'The second option has focus'
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);
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});
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test('pressing DOWN when the last list option has focus does nothing', async function(assert) {
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const props = commonProperties();
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this.setProperties(props);
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await render(commonTemplate);
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await click('[data-test-dropdown-trigger]');
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await focus('[data-test-dropdown-option]');
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const optionEls = findAll('[data-test-dropdown-option]');
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const lastIndex = optionEls.length - 1;
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for (const [index, option] of optionEls.entries()) {
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await triggerKeyEvent(option, 'keydown', ARROW_DOWN);
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if (index < lastIndex) {
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assert.equal(document.activeElement, optionEls[index + 1], `Option ${index + 1} has focus`);
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}
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}
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await triggerKeyEvent(optionEls[lastIndex], 'keydown', ARROW_DOWN);
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assert.equal(
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document.activeElement,
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optionEls[lastIndex],
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`Option ${lastIndex} still has focus`
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);
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});
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test('onSelect gets called when pressing SPACE when a list option is focused', async function(assert) {
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const props = commonProperties();
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this.setProperties(props);
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await render(commonTemplate);
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await click('[data-test-dropdown-trigger]');
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await focus('[data-test-dropdown-option]');
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await triggerKeyEvent('[data-test-dropdown-option]', 'keydown', SPACE);
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assert.ok(props.onSelect.called, 'onSelect was called');
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const newSelection = props.onSelect.getCall(0).args[0];
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assert.deepEqual(
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newSelection,
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[props.options[0].key],
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'onSelect was called with the first option key'
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);
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});
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test('list options have a zero tabindex and are therefore sequentially navigable', async function(assert) {
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const props = commonProperties();
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this.setProperties(props);
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await render(commonTemplate);
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await click('[data-test-dropdown-trigger]');
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findAll('[data-test-dropdown-option]').forEach(option => {
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assert.equal(parseInt(option.getAttribute('tabindex'), 10), 0, 'tabindex is zero');
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});
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});
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test('the checkboxes inside list options have a negative tabindex and are therefore not sequentially navigable', async function(assert) {
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const props = commonProperties();
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this.setProperties(props);
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await render(commonTemplate);
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await click('[data-test-dropdown-trigger]');
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findAll('[data-test-dropdown-option]').forEach(option => {
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assert.ok(
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parseInt(option.querySelector('input[type="checkbox"]').getAttribute('tabindex'), 10) < 0,
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'tabindex is a negative value'
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);
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});
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});
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test('pressing ESC when the options list is open closes the list and returns focus to the dropdown trigger', async function(assert) {
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const props = commonProperties();
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this.setProperties(props);
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await render(commonTemplate);
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await focus('[data-test-dropdown-trigger]');
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await triggerKeyEvent('[data-test-dropdown-trigger]', 'keydown', ARROW_DOWN);
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await triggerKeyEvent('[data-test-dropdown-trigger]', 'keydown', ARROW_DOWN);
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await triggerKeyEvent('[data-test-dropdown-option]', 'keydown', ESC);
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assert.notOk(find('[data-test-dropdown-options]'), 'The options list is hidden once more');
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assert.equal(
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document.activeElement,
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find('[data-test-dropdown-trigger]'),
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'The trigger has focus'
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);
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});
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test('when there are no list options, an empty message is shown', async function(assert) {
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const props = commonProperties();
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props.options = [];
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this.setProperties(props);
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await render(commonTemplate);
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await click('[data-test-dropdown-trigger]');
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assert.ok(find('[data-test-dropdown-options]'), 'The dropdown is still shown');
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assert.ok(find('[data-test-dropdown-empty]'), 'The empty state is shown');
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assert.notOk(find('[data-test-dropdown-option]'), 'No options are shown');
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});
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});
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