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text-field.html
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text-field.html
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<!doctype html>
<head>
<meta charset="UTF-8">
<title>vaadin-text-field tests</title>
<script src="../../web-component-tester/browser.js"></script>
<script src="../../webcomponentsjs/webcomponents-lite.js"></script>
<link rel="import" href="../../test-fixture/test-fixture.html">
<link rel="import" href="../vaadin-text-field.html">
<link rel="import" href="../../iron-form/iron-form.html">
</head>
<body>
<test-fixture id="default">
<template>
<vaadin-text-field></vaadin-text-field>
</template>
</test-fixture>
<test-fixture id="wrapped">
<template>
<div>
<vaadin-text-field></vaadin-text-field>
</div>
</template>
</test-fixture>
<test-fixture id="default-with-slotted-input">
<template>
<vaadin-text-field>
<input slot="input">
</vaadin-text-field>
</template>
</test-fixture>
<script>
describe('Wrapped', () => {
var wrapper, textField, inputField;
beforeEach(() => {
wrapper = fixture('wrapped');
textField = wrapper.firstElementChild;
inputField = textField.shadowRoot.querySelector('[part=input-field]');
});
it('should not grow the input field inside a flex container', () => {
const fieldHeight = inputField.clientHeight;
wrapper.style.display = 'flex';
wrapper.style.height = '100px';
expect(inputField.clientHeight).to.equal(fieldHeight);
});
});
describe('slots', () => {
let textField;
function afterFlush() {
return new Promise(resolve => {
if (window.ShadyDOM) {
window.ShadyDOM.flush();
resolve();
} else {
requestAnimationFrame(resolve);
}
});
}
beforeEach(function() {
textField = fixture('default');
});
it('should not break when adding unexpected content to input slot', done => {
const div = document.createElement('div');
div.setAttribute('slot', 'input');
textField.appendChild(div);
const errorSpy = sinon.spy();
window.onerror = errorSpy;
afterFlush().then(() => {
window.onerror = null;
expect(errorSpy).to.not.be.called;
done();
}).catch(e => {
done(e);
});
});
});
['', 'with slotted input'].forEach(condition => {
let fixtureName = '';
if (condition !== '') {
fixtureName = '-with-slotted-input';
}
describe(`properties ${condition}`, function() {
var textField, input;
beforeEach(function() {
textField = fixture(`default${fixtureName}`);
input = textField.inputElement;
});
describe(`native ${condition}`, function() {
function assertAttrCanBeSet(prop, value) {
textField[prop] = value;
var attrval = input.getAttribute(prop);
if (value === true) {
expect(attrval).not.to.be.null;
} else if (value === false) {
expect(attrval).to.be.null;
} else if (value) {
expect(attrval).to.be.equal(String(value));
}
}
function assertPropCanBeSet(prop, value) {
for (let i = 0; i < 3; i ++) {
// Check different values (i.e. true false true for boolean or string1 string2 string3)
const newValue = typeof value === 'boolean' ? i % 2 === 0 : value + i;
textField[prop] = newValue;
expect(input[prop]).to.be.equal(newValue);
}
}
['pattern', 'placeholder', 'value', 'title'].forEach(function(prop) {
it('should set string property ' + prop, function() {
assertPropCanBeSet(prop, 'foo');
});
});
['autofocus', 'disabled'].forEach(function(prop) {
it('should set boolean property ' + prop, function() {
assertPropCanBeSet(prop, true);
});
});
['maxlength', 'minlength'].forEach(function(prop) {
it('should set numeric attribute ' + prop, function() {
assertAttrCanBeSet(prop, 2);
});
});
['autocomplete'].forEach(function(prop) {
it('should set boolean attribute ' + prop, function() {
assertAttrCanBeSet(prop, 'on');
});
});
['autocapitalize'].forEach(function(prop) {
it('should set boolean attribute ' + prop, function() {
assertAttrCanBeSet(prop, 'off');
});
});
['autocomplete', 'autocorrect', 'readonly', 'required'].forEach(function(prop) {
it('should set boolean attribute ' + prop, function() {
assertAttrCanBeSet(prop, true);
assertAttrCanBeSet(prop, false);
});
});
});
describe(`clear button ${condition}`, function() {
it('default value of clearButtonVisible should be false', function() {
expect(textField.clearButtonVisible).to.be.false;
});
it('clear button should not be visible when field has no value', function() {
textField.clearButtonVisible = true;
expect(getComputedStyle(textField.$.clearButton).getPropertyValue('display')).to.be.equal('none');
});
it('should clear the value when clear button is clicked', function() {
textField.clearButtonVisible = true;
textField.value = 'Foo';
textField.$.clearButton.click();
expect(textField.value).not.to.be.ok;
});
it('should clear the native input value when clear button is clicked', function() {
textField.clearButtonVisible = true;
textField.value = 'Foo';
textField.$.clearButton.click();
expect(textField.inputElement.value).to.equal('');
});
it('should dispatch input event when clear button is clicked', function() {
const inputSpy = sinon.spy();
textField.addEventListener('input', inputSpy);
textField.clearButtonVisible = true;
textField.value = 'Foo';
textField.$.clearButton.click();
expect(inputSpy).to.be.calledOnce;
});
it('should dispatch change event when clear button is clicked', function() {
const changeSpy = sinon.spy();
textField.addEventListener('change', changeSpy);
textField.clearButtonVisible = true;
textField.value = 'Foo';
textField.$.clearButton.click();
expect(changeSpy).to.be.calledOnce;
});
it('should prevent default on clear button click', function() {
const event = new Event('click', {cancelable: true});
textField.$.clearButton.dispatchEvent(event);
expect(event.defaultPrevented).to.be.true;
});
it('should set _valueClearing flag not to dispatch change event on mousedown and remove it on click', function() {
// Testing internal implementation as it impossible to test native change event.
// For case when the field is focused, value is changed, clear button is pressed.
// Should not fire two change events.
const changeSpy = sinon.spy();
textField.addEventListener('change', changeSpy);
textField.$.clearButton.dispatchEvent(new CustomEvent('mousedown'));
expect(textField._valueClearing).to.be.true;
// Emulates native change coming from input.
textField.inputElement.dispatchEvent(new Event('change', {bubbles: !condition}));
textField.$.clearButton.dispatchEvent(new CustomEvent('click'));
expect(textField._valueClearing).to.be.false;
expect(changeSpy).to.be.calledOnce;
});
it('should not prevent dispatching the change event if clear button wasn\'t clicked', function() {
const changeSpy = sinon.spy();
textField.addEventListener('change', changeSpy);
// Simulate leaving the clear button after mousedown
textField.$.clearButton.dispatchEvent(new CustomEvent('mousedown'));
textField.$.clearButton.dispatchEvent(new CustomEvent('mouseleave'));
// Emulates native change coming from input.
textField.inputElement.dispatchEvent(new Event('change', {bubbles: !condition}));
expect(changeSpy).to.be.calledOnce;
});
it('should update input value when setting value after clicking clear button', function() {
textField.clearButtonVisible = true;
textField.value = 'Foo';
textField.$.clearButton.click();
textField.value = 'Bar';
expect(textField.inputElement.value).to.equal('Bar');
});
['disabled', 'readonly'].forEach(state => {
it(`clear button should not be visible when field is ${state}`, function() {
textField.clearButtonVisible = true;
textField.setAttribute(state, true);
expect(getComputedStyle(textField.$.clearButton).getPropertyValue('display')).to.be.equal('none');
});
});
});
describe(`binding ${condition}`, function() {
it('default value should be empty string', function() {
expect(textField.value).to.be.equal('');
});
it('setting input value updates value', function() {
input.value = 'foo';
input.dispatchEvent(new Event('input', {bubbles: true, cancelable: true, composed: true}));
expect(textField.value).to.be.equal('foo');
});
it('setting input value updates has-value attribute', function() {
textField.value = 'foo';
expect(textField.hasAttribute('has-value')).to.be.true;
});
it('setting value to undefined should not update has-value attribute', function() {
textField.value = undefined;
expect(textField.hasAttribute('has-value')).to.be.false;
});
it('setting value to undefined should clear the native input value', function() {
textField.value = 'foo';
textField.value = undefined;
expect(textField.inputElement.value).to.equal('');
});
it('setting empty value does not update has-value attribute', function() {
textField.value = '';
expect(textField.hasAttribute('has-value')).to.be.false;
});
// User could accidentally set a 0 or false value
it('setting number value updates has-value attribute', function() {
textField.value = 0;
expect(textField.hasAttribute('has-value')).to.be.true;
});
it('setting boolean value updates has-value attribute', function() {
textField.value = false;
expect(textField.hasAttribute('has-value')).to.be.true;
});
it('setting label updates has-label attribute', function() {
textField.label = 'foo';
expect(textField.hasAttribute('has-label')).to.be.true;
});
it('setting label to empty string does not update has-label attribute', function() {
textField.label = '';
expect(textField.hasAttribute('has-label')).to.be.false;
});
it('setting label to null does not update has-label attribute', function() {
textField.label = null;
expect(textField.hasAttribute('has-label')).to.be.false;
});
it('setting number label updates has-label attribute', function() {
textField.label = 0;
expect(textField.hasAttribute('has-label')).to.be.true;
});
});
if (!window.ShadyDOM) {
describe(`label ${condition}`, function() {
it('should not update focused property on click if disabled', function() {
textField.disabled = true;
const label = textField.root.querySelector('[part="label"]');
label.click();
expect(textField.getAttribute('focused')).to.be.null;
});
});
}
describe(`autoselect ${condition}`, function() {
it('default value of autoselect should be false', function() {
expect(textField.autoselect).to.be.false;
});
it('should not select content on focus when autoselect is false', function(done) {
textField.value = '123';
textField.inputElement.dispatchEvent(new CustomEvent('focus', {bubbles: false}));
setTimeout(() => {
expect(textField.inputElement.selectionEnd - textField.inputElement.selectionStart).to.equal(0);
done();
}, 1);
});
it('should select content on focus when autoselect is true', function(done) {
textField.value = '123';
textField.autoselect = true;
textField.inputElement.dispatchEvent(new CustomEvent('focus', {bubbles: false}));
setTimeout(() => {
expect(textField.inputElement.selectionEnd - textField.inputElement.selectionStart).to.equal(3);
done();
}, 1);
});
});
});
describe(`events ${condition}`, function() {
let textField, input;
beforeEach(function() {
textField = fixture(`default${fixtureName}`);
input = textField.inputElement;
});
it('should not stop native input events', () => {
const inputSpy = sinon.spy();
textField.addEventListener('input', inputSpy);
const inputEvent = new Event('input', {bubbles: true, composed: true});
input.dispatchEvent(inputEvent);
expect(inputSpy).to.be.calledOnce;
expect(inputSpy).to.be.calledWith(inputEvent);
});
it('should dispatch change event on native input change', done => {
const changeEvent = new Event('change');
textField.addEventListener('change', e => {
expect(e.detail.sourceEvent).to.equal(changeEvent);
done();
});
input.dispatchEvent(changeEvent);
});
// IE11 placeholder bug
const IE = navigator.userAgent.match(/Trident/);
(IE ? it : it.skip)('should not dispatch input event in IE on focus, when placeholder is set', done => {
const spy = sinon.spy();
textField.placeholder = 'foo';
textField.addEventListener('input', spy);
textField.focus();
setTimeout(() => {
expect(spy.called).to.be.false;
done();
});
});
(IE ? it : it.skip)('should prevent invalid if input event is user originated', done => {
textField.preventInvalidInput = true;
textField.pattern = '[0-9]*';
textField.dispatchEvent(new Event('focusin'));
requestAnimationFrame(() => {
input.value = 'a';
const inputEvent = new Event('input');
input.dispatchEvent(inputEvent);
expect(input.value).to.be.empty;
expect(textField.value).to.be.empty;
done();
});
});
(IE ? it : it.skip)('should not dispatch input event in IE on blur, when placeholder is set', done => {
const spy = sinon.spy();
textField.placeholder = 'foo';
textField.addEventListener('input', spy);
textField.focus();
// needs timeout to reproduce
setTimeout(() => {
textField.blur();
setTimeout(() => {
expect(spy.called).to.be.false;
done();
});
});
});
(IE ? it : it.skip)('should not dispatch input event in IE on placeholder value change', done => {
const spy = sinon.spy();
textField.placeholder = 'foo';
textField.addEventListener('input', spy);
textField.placeholder = 'bar';
setTimeout(() => {
expect(spy.called).to.be.false;
done();
});
});
});
describe(`methods ${condition}`, function() {
it('should not throw an error when using focus() to a newly created element', () => {
// No expect needed as an error is thrown when focusing undefined element
document.createElement('vaadin-text-field').focus();
});
it('should clear the value when clear() is called', () => {
const textField = fixture(`default${fixtureName}`);
textField.value = 'Foo';
textField.clear();
expect(textField.value).not.to.be.ok;
});
it('should clear the value of native input when clear() is called', () => {
const textField = fixture(`default${fixtureName}`);
textField.value = 'Foo';
textField.clear();
expect(textField.inputElement.value).to.equal('');
});
describe(`resize notification ${condition}`, () => {
let textField, spy;
beforeEach(() => {
textField = fixture(`default${fixtureName}`);
spy = sinon.spy();
textField.addEventListener('iron-resize', spy);
});
it('should not dispatch `iron-resize` event on init', () => {
expect(spy.callCount).to.equal(0);
});
it('should dispatch `iron-resize` event on invalid height change', done => {
// Lumo theme defines a max-height transition for the "error-message"
// part on invalid state change.
textField.shadowRoot.querySelector('[part="error-message"]')
.addEventListener('transitionend', () => {
expect(spy.callCount).to.equal(1);
done();
});
textField.errorMessage = 'Error';
textField.invalid = true;
});
it('should dispatch `iron-resize` event on error message height change', done => {
// Lumo theme defines a max-height transition for the "error-message"
// part on invalid state change.
textField.shadowRoot.querySelector('[part="error-message"]')
.addEventListener('transitionend', () => {
spy.reset();
// Long message that spans on multiple lines
textField.errorMessage = [...new Array(42)].map(() => 'bla').join(' ');
expect(spy.callCount).to.equal(1);
done();
});
textField.errorMessage = 'Error';
textField.invalid = true;
});
it('should dispatch `iron-resize` event on label height change', () => {
textField.label = 'Label';
expect(spy.callCount).to.equal(1);
});
});
});
});
</script>
</body>