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number-field.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>vaadin-number-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-number-field.html">
<link rel="import" href="../../iron-form/iron-form.html">
</head>
<body>
<test-fixture id="default">
<template>
<vaadin-number-field></vaadin-number-field>
</template>
</test-fixture>
<script>
describe('number-field', () => {
var numberField, input, decreaseButton, increaseButton;
beforeEach(() => {
numberField = fixture('default');
input = numberField.inputElement;
decreaseButton = numberField.root.querySelector('[part=decrease-button]');
increaseButton = numberField.root.querySelector('[part=increase-button]');
});
describe('native', () => {
it('should have [type=number]', () => {
expect(input.type).to.equal('number');
});
it('should have hidden controls', () => {
expect(decreaseButton.hidden).to.be.true;
expect(increaseButton.hidden).to.be.true;
});
['min', 'max'].forEach(function(attr) {
it('should set numeric attribute ' + attr, () => {
var value = 5;
numberField[attr] = value;
var attrval = input.getAttribute(attr);
expect(attrval).to.be.equal(String(value));
});
});
it('should set value with correct decimal places regardless of step', () => {
numberField.step = 2;
numberField.value = 9.99;
expect(numberField.value).equal('9.99');
});
it('should increment value to next multiple of step offset by the min', () => {
numberField.step = 3;
numberField.min = 4;
numberField.value = 4;
increaseButton.click();
expect(numberField.value).equal('7');
});
});
describe('value control buttons', () => {
it('should have value controls when hasControls is set to true', () => {
expect(decreaseButton.hidden).to.be.true;
expect(increaseButton.hidden).to.be.true;
numberField.hasControls = true;
expect(decreaseButton.hidden).to.be.false;
expect(increaseButton.hidden).to.be.false;
});
it('should increase value by 1 when increaseButton is clicked', () => {
numberField.value = 0;
increaseButton.click();
expect(numberField.value).to.be.equal('1');
});
it('should dispatch change event when a button is clicked', () => {
const changeSpy = sinon.spy();
numberField.addEventListener('change', changeSpy);
increaseButton.click();
expect(changeSpy.callCount).to.equal(1);
});
it('should not focus input when a button is clicked', () => {
let hasFocus = false;
input.focus = () => {
hasFocus = true;
};
increaseButton.click();
expect(hasFocus).to.be.false;
});
it('should increase value by 0.2 when step is 0.2 and increaseButton is clicked', () => {
numberField.step = 0.2;
numberField.value = 0.6;
increaseButton.click();
expect(numberField.value).to.be.equal('0.8');
});
it('should adjust value to exact step when increaseButton is clicked', () => {
numberField.step = 0.2;
numberField.value = 0.5;
increaseButton.click();
expect(numberField.value).to.be.equal('0.6');
});
it('should decrease value by 1 when decreaseButton is clicked', () => {
numberField.value = 0;
decreaseButton.click();
expect(numberField.value).to.be.equal('-1');
});
it('should decrease value by 0.2 when decreaseButton is clicked', () => {
numberField.value = 0;
numberField.step = 0.2;
decreaseButton.click();
expect(numberField.value).to.be.equal('-0.2');
});
it('should adjust value to exact step when decreaseButton is clicked', () => {
numberField.value = 7;
numberField.step = 2;
decreaseButton.click();
expect(numberField.value).to.be.equal('6');
});
it('should adjust decimals based on the step value', () => {
numberField.value = 1;
numberField.step = 0.001;
expect(numberField.value).to.be.equal('1.000');
});
it('should not increase value when increaseButton is clicked and max value is reached', () => {
numberField.value = 0;
numberField.max = 0;
increaseButton.click();
expect(numberField.value).to.be.equal('0');
});
it('should not decrease value when decreaseButton is clicked and min value is reached', () => {
numberField.value = 0;
numberField.min = 0;
decreaseButton.click();
expect(numberField.value).to.be.equal('0');
});
it('should not disable buttons if there are no limits set', () => {
expect(decreaseButton.hasAttribute('disabled')).to.be.false;
expect(increaseButton.hasAttribute('disabled')).to.be.false;
});
it('should disable plus button if max value is reached', () => {
numberField.value = 0;
numberField.min = 0;
expect(decreaseButton.hasAttribute('disabled')).to.be.true;
expect(increaseButton.hasAttribute('disabled')).to.be.false;
});
it('should disable minus button if min value is reached', () => {
numberField.value = 1;
numberField.max = 1;
expect(decreaseButton.hasAttribute('disabled')).to.be.false;
expect(increaseButton.hasAttribute('disabled')).to.be.true;
});
it('should not change value when number field is disabled and controls are clicked', () => {
numberField.disabled = true;
numberField.value = 0;
increaseButton.click();
expect(numberField.value).to.be.equal('0');
decreaseButton.click();
expect(numberField.value).to.be.equal('0');
});
it('should prevent touchend event on value control buttons', () => {
numberField.value = 0;
let e = new CustomEvent('touchend', {cancelable: true});
increaseButton.dispatchEvent(e);
expect(e.defaultPrevented).to.be.true;
expect(numberField.value).to.equal('1');
e = new CustomEvent('touchend', {cancelable: true});
decreaseButton.dispatchEvent(e);
expect(e.defaultPrevented).to.be.true;
expect(numberField.value).to.equal('0');
});
it('should increase value to min value when increaseButton is clicked', () => {
numberField.min = 2;
increaseButton.click();
expect(numberField.value).to.be.equal('2');
});
it('should increase value to min value with step when increaseButton is clicked', () => {
numberField.step = 0.1;
numberField.min = 0.5;
increaseButton.click();
expect(numberField.value).to.be.equal('0.5');
});
it('should decrease value to max value when decreaseButton is clicked', () => {
numberField.max = -2;
decreaseButton.click();
expect(numberField.value).to.be.equal('-2');
});
it('should decrease value to max value with step when decreaseButton is clicked', () => {
numberField.step = 0.1;
numberField.max = -0.5;
decreaseButton.click();
expect(numberField.value).to.be.equal('-0.5');
});
it('should decrease value to max value when value is over max and decreaseButton is clicked', () => {
numberField.value = 50;
numberField.max = 10;
decreaseButton.click();
expect(numberField.value).to.be.equal(String(numberField.max));
});
it('should increase value to min value when value is under min and increaseButton is clicked', () => {
numberField.value = -40;
numberField.min = -10;
increaseButton.click();
expect(numberField.value).to.be.equal(String(numberField.min));
});
});
describe('input validation', () => {
it('should be valid with numeric values', () => {
expect(numberField.validate()).to.be.true;
numberField.value = '1';
expect(numberField.inputElement.value).to.be.equal('1');
expect(numberField.validate()).to.be.true;
});
it('should prevent setting non-numeric values', () => {
numberField.value = 'foo';
expect(numberField.value).to.be.empty;
expect(numberField.validate()).to.be.true;
});
it('should allow setting decimals', () => {
numberField.value = 7.6;
expect(numberField.value).to.be.equal('7.6');
});
it('should prevent setting too many decimals', () => {
numberField.step = 0.1;
numberField.value = 7.686;
expect(numberField.value).to.be.equal('7.7');
});
it('should validate when setting limits', () => {
numberField.min = 2;
numberField.max = 4;
numberField.value = '';
expect(numberField.validate(), 'empty value is allowed because not required').to.be.true;
numberField.value = '3';
expect(numberField.validate(), 'valid value should be in the range').to.be.true;
numberField.value = '1';
expect(numberField.validate(), 'value should not be below min').to.be.false;
numberField.value = '3';
expect(numberField.validate(), 'invalid status should be reset when setting valid value').to.be.true;
numberField.value = '5';
expect(numberField.validate(), 'value should not be greater than max').to.be.false;
});
});
});
</script>
</body>
</html>