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<!DOCTYPE html>
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@license
Copyright (C) 2017 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-autocomplete-dropdown</title>
<script src="/node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>
<script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
<script src="/components/wct-browser-legacy/browser.js"></script>
<test-fixture id="basic">
<template>
<gr-autocomplete-dropdown></gr-autocomplete-dropdown>
</template>
</test-fixture>
<script type="module">
import '../../../test/common-test-setup.js';
import './gr-autocomplete-dropdown.js';
suite('gr-autocomplete-dropdown', () => {
let element;
let sandbox;
setup(() => {
sandbox = sinon.sandbox.create();
element = fixture('basic');
element.open();
element.suggestions = [
{dataValue: 'test value 1', name: 'test name 1', text: 1, label: 'hi'},
{dataValue: 'test value 2', name: 'test name 2', text: 2}];
flushAsynchronousOperations();
});
teardown(() => {
sandbox.restore();
if (element.isOpen) element.close();
});
test('shows labels', () => {
const els = element.$.suggestions.querySelectorAll('li');
assert.equal(els[0].innerText.trim(), '1\nhi');
assert.equal(els[1].innerText.trim(), '2');
});
test('escape key', done => {
const closeSpy = sandbox.spy(element, 'close');
MockInteractions.pressAndReleaseKeyOn(element, 27);
flushAsynchronousOperations();
assert.isTrue(closeSpy.called);
done();
});
test('tab key', () => {
const handleTabSpy = sandbox.spy(element, '_handleTab');
const itemSelectedStub = sandbox.stub();
element.addEventListener('item-selected', itemSelectedStub);
MockInteractions.pressAndReleaseKeyOn(element, 9);
assert.isTrue(handleTabSpy.called);
assert.equal(element.$.cursor.index, 0);
assert.isTrue(itemSelectedStub.called);
assert.deepEqual(itemSelectedStub.lastCall.args[0].detail, {
trigger: 'tab',
selected: element.getCursorTarget(),
});
});
test('enter key', () => {
const handleEnterSpy = sandbox.spy(element, '_handleEnter');
const itemSelectedStub = sandbox.stub();
element.addEventListener('item-selected', itemSelectedStub);
MockInteractions.pressAndReleaseKeyOn(element, 13);
assert.isTrue(handleEnterSpy.called);
assert.equal(element.$.cursor.index, 0);
assert.deepEqual(itemSelectedStub.lastCall.args[0].detail, {
trigger: 'enter',
selected: element.getCursorTarget(),
});
});
test('down key', () => {
element.isHidden = true;
const nextSpy = sandbox.spy(element.$.cursor, 'next');
MockInteractions.pressAndReleaseKeyOn(element, 40);
assert.isFalse(nextSpy.called);
assert.equal(element.$.cursor.index, 0);
element.isHidden = false;
MockInteractions.pressAndReleaseKeyOn(element, 40);
assert.isTrue(nextSpy.called);
assert.equal(element.$.cursor.index, 1);
});
test('up key', () => {
element.isHidden = true;
const prevSpy = sandbox.spy(element.$.cursor, 'previous');
MockInteractions.pressAndReleaseKeyOn(element, 38);
assert.isFalse(prevSpy.called);
assert.equal(element.$.cursor.index, 0);
element.isHidden = false;
element.$.cursor.setCursorAtIndex(1);
assert.equal(element.$.cursor.index, 1);
MockInteractions.pressAndReleaseKeyOn(element, 38);
assert.isTrue(prevSpy.called);
assert.equal(element.$.cursor.index, 0);
});
test('tapping selects item', () => {
const itemSelectedStub = sandbox.stub();
element.addEventListener('item-selected', itemSelectedStub);
MockInteractions.tap(element.$.suggestions.querySelectorAll('li')[1]);
flushAsynchronousOperations();
assert.deepEqual(itemSelectedStub.lastCall.args[0].detail, {
trigger: 'click',
selected: element.$.suggestions.querySelectorAll('li')[1],
});
});
test('tapping child still selects item', () => {
const itemSelectedStub = sandbox.stub();
element.addEventListener('item-selected', itemSelectedStub);
MockInteractions.tap(element.$.suggestions.querySelectorAll('li')[0]
.lastElementChild);
flushAsynchronousOperations();
assert.deepEqual(itemSelectedStub.lastCall.args[0].detail, {
trigger: 'click',
selected: element.$.suggestions.querySelectorAll('li')[0],
});
});
test('updated suggestions resets cursor stops', () => {
const resetStopsSpy = sandbox.spy(element, '_resetCursorStops');
element.suggestions = [];
assert.isTrue(resetStopsSpy.called);
});
});
</script>