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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">
<script src="../../iron-test-helpers/mock-interactions.js"></script>
</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;
function up() {
MockInteractions.keyDownOn(input, 38, [], 'ArrowUp');
}
function down() {
MockInteractions.keyDownOn(input, 40, [], 'ArrowDown');
}
beforeEach(() => {
numberField = fixture('default');
input = numberField.inputElement;
decreaseButton = numberField.root.querySelector('[part=decrease-button]');
increaseButton = numberField.root.querySelector('[part=increase-button]');
});
describe('properties', () => {
['min', 'max', 'step'].forEach(prop => {
it(`should reflect "${prop}" property to attribute`, () => {
var value = 5;
numberField[prop] = value;
expect(numberField.getAttribute(prop)).to.be.equal(String(value));
});
});
it('should not throw with autoselect', done => {
numberField.autoselect = true;
numberField.focus();
setTimeout(done);
});
});
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');
});
it('should increment value on arrow up', () => {
numberField.step = 3;
up();
expect(numberField.value).equal('3');
});
it('should decrement value on arrow down', () => {
numberField.step = 3;
down();
expect(numberField.value).equal('-3');
});
});
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);
decreaseButton.click();
expect(changeSpy.callCount).to.equal(2);
});
it('should dispatch single value-changed event when button is clicked', () => {
const spy = sinon.spy();
numberField.addEventListener('value-changed', spy);
increaseButton.click();
expect(spy.callCount).to.equal(1);
decreaseButton.click();
expect(spy.callCount).to.equal(2);
});
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 when control button is pressed', () => {
numberField.value = 1;
numberField.step = 0.001;
increaseButton.click();
expect(numberField.value).to.be.equal('1.001');
});
it('should adjust decimals based on the min value when control button is pressed', () => {
numberField.value = 1;
numberField.step = 0.001;
numberField.min = 0.0001;
increaseButton.click();
expect(numberField.value).to.be.equal('1.0001');
});
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 not change value when min limit is reached and minus button is clicked', () => {
numberField.min = -1;
numberField.value = 0;
for (var i = 0; i < 5; i ++) {
decreaseButton.click();
expect(decreaseButton.hasAttribute('disabled')).to.be.true;
expect(numberField.value).to.be.equal('-1');
}
});
it('should not change value when max limit is reached and plus button is clicked', () => {
numberField.max = 1;
numberField.value = 0;
for (var i = 0; i < 5; i ++) {
increaseButton.click();
expect(increaseButton.hasAttribute('disabled')).to.be.true;
expect(numberField.value).to.be.equal('1');
}
});
it('should not change value when max limit will be reached with the next step and plus button is clicked', () => {
numberField.min = -10;
numberField.max = 10;
numberField.step = 6;
numberField.value = 2;
for (var i = 0; i < 5; i ++) {
increaseButton.click();
expect(increaseButton.hasAttribute('disabled')).to.be.true;
expect(numberField.value).to.be.equal('8');
}
});
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 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 decrease value to the closest step value when decreaseButton is clicked', () => {
numberField.min = -17;
numberField.value = -8;
numberField.step = 4;
decreaseButton.click();
expect(numberField.value).to.be.equal('-9');
});
it('should correctly decrease value when decreaseButton is clicked', () => {
numberField.min = -20;
numberField.value = -1;
numberField.step = 4;
const correctSteps = [-4, -8, -12, -16, -20];
for (var i = 0; i < correctSteps.length; i ++) {
decreaseButton.click();
expect(numberField.value).to.be.equal(String(correctSteps[i]));
}
});
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));
});
it('should increase value to the closest step value when increaseButton is clicked', () => {
numberField.min = -17;
numberField.value = -8;
numberField.step = 4;
increaseButton.click();
expect(numberField.value).to.be.equal('-5');
});
it('should correctly increase value when increaseButton is clicked', () => {
numberField.min = -3;
numberField.max = 18;
numberField.value = -1;
numberField.step = 4;
const correctSteps = [1, 5, 9, 13, 17];
for (var i = 0; i < correctSteps.length; i ++) {
increaseButton.click();
expect(numberField.value).to.be.equal(String(correctSteps[i]));
}
});
it('should correctly increase value when step is a decimal number and increaseButton is clicked', () => {
numberField.min = -0.02;
numberField.max = 0.02;
numberField.value = -0.03;
numberField.step = 0.01;
const correctSteps = [-0.02, -0.01, 0, 0.01, 0.02];
for (var i = 0; i < correctSteps.length; i ++) {
increaseButton.click();
expect(numberField.value).to.be.equal(String(correctSteps[i]));
}
});
it('should correctly calculate the precision with decimal value', () => {
numberField.value = 5.1;
numberField.step = 0.01;
increaseButton.click();
expect(numberField.value).to.be.equal('5.11');
});
describe('problematic values', () => {
it('should correctly increase value', () => {
const configs = [
{props: {step: 0.001, value: 1.001}, expectedValue: '1.002'},
{props: {step: 0.001, value: 1.003}, expectedValue: '1.004'},
{props: {step: 0.001, value: 1.005}, expectedValue: '1.006'},
{props: {step: 0.001, value: 2.002}, expectedValue: '2.003'},
{props: {step: 0.001, value: 4.004}, expectedValue: '4.005'},
{props: {step: 0.001, value: 8.008}, expectedValue: '8.009'},
{props: {step: 0.01, value: 16.08}, expectedValue: '16.09'},
{props: {step: 0.01, value: 73.10}, expectedValue: '73.11'},
{props: {step: 0.001, value: 1.0131, min: 0.0001}, expectedValue: '1.0141'},
];
const reset = {step: 1, min: undefined, max: undefined, value: ''};
for (let i = 0; i < configs.length; i ++) {
const {props, expectedValue} = configs[i];
Object.assign(numberField, reset, props);
increaseButton.click();
expect(numberField.value).to.be.equal(expectedValue);
}
});
it('should correctly decrease value', () => {
const configs = [
{props: {step: 0.01, value: 72.90}, expectedValue: '72.89'},
{props: {step: 0.001, min: 0.0001, value: 1.0031}, expectedValue: '1.0021'},
{props: {step: 0.001, min: 0.0001, value: 1.0051}, expectedValue: '1.0041'},
{props: {step: 0.001, min: 0.0001, value: 1.0071}, expectedValue: '1.0061'},
{props: {step: 0.001, min: 0.0001, value: 1.0091}, expectedValue: '1.0081'},
];
const reset = {step: 1, min: undefined, max: undefined, value: ''};
for (let i = 0; i < configs.length; i ++) {
const {props, expectedValue} = configs[i];
Object.assign(numberField, reset, props);
decreaseButton.click();
expect(numberField.value).to.be.equal(expectedValue);
}
});
});
});
describe('no initial value', () => {
describe('min is defined and max is undefined', () => {
it('should set value to the first step value above zero when min is below zero and increaseButton is clicked', () => {
numberField.min = -19;
numberField.step = 6;
increaseButton.click();
expect(numberField.value).to.be.equal('5');
});
it('should set value to the first step value above zero when min is zero and increaseButton is clicked', () => {
numberField.min = 0;
numberField.step = 6;
increaseButton.click();
expect(numberField.value).to.be.equal('6');
});
it('should set value to the first step value below zero when min is below zero and decreaseButton is clicked', () => {
numberField.min = -19;
numberField.step = 6;
decreaseButton.click();
expect(numberField.value).to.be.equal('-1');
});
it('should set value to min when min is above zero and increaseButton is clicked', () => {
numberField.min = 19;
numberField.step = 6;
increaseButton.click();
expect(numberField.value).to.be.equal('19');
});
it('should set value to min when min is above zero and decreaseButton is clicked', () => {
numberField.min = 19;
numberField.step = 6;
decreaseButton.click();
expect(numberField.value).to.be.equal('19');
});
it('should set value to 0 when min is zero and decreaseButton is clicked', () => {
numberField.min = 0;
numberField.step = 6;
decreaseButton.click();
expect(numberField.value).to.be.equal('0');
});
});
describe('max is defined and min is undefined', () => {
it('should set value to the closest to the max value when max is below zero and increaseButton is clicked', () => {
// -19 cannot be equally divided by 6
// The closest is -24, cause with the next stepUp it will become -18
numberField.max = -19;
numberField.step = 6;
increaseButton.click();
expect(numberField.value).to.be.equal('-24');
// Check with max that can be equally divided
numberField.value = '';
numberField.max = -18;
numberField.step = 6;
increaseButton.click();
expect(numberField.value).to.be.equal('-18');
});
it('should set value to max when max is below zero and decreaseButton is clicked', () => {
numberField.max = -19;
numberField.step = 6;
decreaseButton.click();
expect(numberField.value).to.be.equal('-19');
});
it('should set value to 0 when max is zero and increaseButton is clicked', () => {
numberField.max = 0;
numberField.step = 6;
increaseButton.click();
expect(numberField.value).to.be.equal('0');
});
it('should set value to the first step value above zero when max is above zero and increaseButton is clicked', () => {
numberField.max = 19;
numberField.step = 6;
increaseButton.click();
expect(numberField.value).to.be.equal('6');
});
it('should set value to the first step value below zero when max is above zero and decreaseButton is clicked', () => {
numberField.max = 19;
numberField.step = 6;
decreaseButton.click();
expect(numberField.value).to.be.equal('-6');
});
it('should set value to the first step value below zero when max is above zero and decreaseButton is clicked', () => {
numberField.max = 0;
numberField.step = 6;
decreaseButton.click();
expect(numberField.value).to.be.equal('-6');
});
});
describe('min and max values are defined', () => {
it('should set value to the closest to the max when min is below zero and max is below zero and increaseButton is clicked', () => {
numberField.min = -20;
numberField.max = -3;
numberField.step = 6;
increaseButton.click();
expect(numberField.value).to.be.equal('-8');
// Check with max that can be equally divided
numberField.value = '';
numberField.min = -24;
numberField.step = 6;
increaseButton.click();
expect(numberField.value).to.be.equal('-6');
});
it('should set value to 0 when max is zero, min is zero and decreaseButton or increaseButton is clicked', () => {
numberField.min = 0;
numberField.max = 0;
numberField.step = 6;
decreaseButton.click();
expect(numberField.value).to.be.equal('0');
increaseButton.click();
expect(numberField.value).to.be.equal('0');
});
it('should set value to min when min is above zero and max is above zero and increaseButton is clicked', () => {
numberField.min = 3;
numberField.max = 19;
numberField.step = 6;
increaseButton.click();
expect(numberField.value).to.be.equal('3');
});
it('should set value to min when min is above zero and max is below zero and increaseButton is clicked', () => {
numberField.min = 19;
numberField.max = -3;
numberField.step = 6;
increaseButton.click();
expect(numberField.value).to.be.equal('19');
});
it(`should set value to the first step value above zero when min is below zero
and max is above zero and increaseButton is clicked`, () => {
numberField.min = -19;
numberField.max = 19;
numberField.step = 6;
increaseButton.click();
expect(numberField.value).to.be.equal('5');
});
it('should set value to max when min is below zero and max is below zero and decreaseButton is clicked', () => {
numberField.min = -19;
numberField.max = -3;
numberField.step = 6;
decreaseButton.click();
expect(numberField.value).to.be.equal('-3');
});
it('should set value to min when min is above zero and max is above zero and decreaseButton is clicked', () => {
numberField.min = 3;
numberField.max = 19;
numberField.step = 6;
decreaseButton.click();
expect(numberField.value).to.be.equal('3');
});
it('should set value to max when min is above zero and max is below zero and decreaseButton is clicked', () => {
numberField.min = 19;
numberField.max = -3;
numberField.step = 6;
decreaseButton.click();
expect(numberField.value).to.be.equal('-3');
});
it(`should set value to the first step value below zero when min is below zero and max
is above zero and decreaseButton is clicked`, () => {
numberField.min = -19;
numberField.max = 19;
numberField.step = 6;
decreaseButton.click();
expect(numberField.value).to.be.equal('-1');
});
});
describe('min and max values are undefined', () => {
it('should set value to the first step value above zero when decreaseButton is clicked', () => {
numberField.step = 6;
increaseButton.click();
expect(numberField.value).to.be.equal('6');
});
it('should set value to the first step value below zero when decreaseButton is clicked', () => {
numberField.step = 6;
decreaseButton.click();
expect(numberField.value).to.be.equal('-6');
});
});
});
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 not prevent invalid values applied programmatically (step)', () => {
numberField.step = 0.1;
numberField.value = 7.686;
expect(numberField.value).to.be.equal('7.686');
});
it('should not prevent invalid values applied programmatically (min)', () => {
numberField.min = 2;
numberField.value = 1;
expect(numberField.value).to.be.equal('1');
});
it('should not prevent invalid values applied programmatically (max)', () => {
numberField.max = 2;
numberField.value = 3;
expect(numberField.value).to.be.equal('3');
});
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;
});
it('should validate by step when defined by user', () => {
numberField.step = 1.5;
numberField.value = '0';
expect(numberField.validate()).to.be.true;
numberField.value = '-1.5';
expect(numberField.validate()).to.be.true;
numberField.value = '3';
expect(numberField.validate()).to.be.true;
numberField.value = '-1';
expect(numberField.validate()).to.be.false;
numberField.value = '2';
expect(numberField.validate()).to.be.false;
});
it('should use min as step basis in validation when both are defined', () => {
numberField.min = 1;
numberField.step = 1.5;
numberField.value = '1';
expect(numberField.validate()).to.be.true;
numberField.value = '2.5';
expect(numberField.validate()).to.be.true;
numberField.value = '4';
expect(numberField.validate()).to.be.true;
numberField.value = '1.5';
expect(numberField.validate()).to.be.false;
});
it('should not validate by step when only min and max are set', () => {
numberField.min = 1;
numberField.max = 5;
numberField.value = 1.5; // would be invalid by default step=1
expect(numberField.validate()).to.be.true;
});
describe('removing validation constraints', () => {
it('should update "invalid" state when "min" is removed', () => {
numberField.value = '42';
numberField.min = 50;
numberField.validate();
expect(numberField.invalid).to.be.true;
numberField.min = '';
expect(numberField.invalid).to.be.false;
});
it('should update "invalid" state when "max" is removed', () => {
numberField.value = '42';
numberField.max = 20;
numberField.validate();
expect(numberField.invalid).to.be.true;
numberField.max = '';
expect(numberField.invalid).to.be.false;
});
it('should update "invalid" state when "step" is removed', () => {
numberField.value = '3';
numberField.min = 0;
numberField.step = 2;
numberField.validate();
expect(numberField.invalid).to.be.true;
numberField.step = '';
expect(numberField.invalid).to.be.false;
});
it('should not set "invalid" to false when "min" is set to 0', () => {
numberField.value = '-5';
numberField.min = -1;
numberField.validate();
expect(numberField.invalid).to.be.true;
numberField.min = 0;
expect(numberField.invalid).to.be.true;
});
it('should not set "invalid" to false when "max" is set to 0', () => {
numberField.value = '5';
numberField.max = 1;
numberField.validate();
expect(numberField.invalid).to.be.true;
numberField.max = 0;
expect(numberField.invalid).to.be.true;
});
});
});
});
</script>
</body>
</html>