open-nomad/ui/tests/integration/multi-select-dropdown-test.js

306 lines
10 KiB
JavaScript

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