Choices/tests/spec/choices_spec.js

import Choices from '../../assets/scripts/src/choices.js';

describe('Choices', function() {

    beforeEach(function() {
        this.input = document.createElement('input');
        this.input.type = "text";
        this.input.className = 'js-choices';

        document.body.appendChild(this.input);
        
        this.choices = new Choices(this.input);
    });

    afterEach(function() {
        this.choices.destroy();
    });

    describe('should initialize Choices', function() {

        it('should be defined', function() {
            expect(this.choices).toBeDefined();
        });

        it('should have initalised', function() {
            expect(this.choices.initialised).toBe(true);
        });

        it('should have a blank state', function() {
            const blankState = {
                items: [],
                groups: [],
                choices: [],
            };
            expect(this.choices.currentState).toEqual(blankState);
        });

        it('should expose public methods', function(){
            expect(this.choices.init).toEqual(jasmine.any(Function));
            expect(this.choices.destroy).toEqual(jasmine.any(Function));
            expect(this.choices.highlightItem).toEqual(jasmine.any(Function));
            expect(this.choices.unhighlightItem).toEqual(jasmine.any(Function));
            expect(this.choices.highlightAll).toEqual(jasmine.any(Function));
            expect(this.choices.unhighlightAll).toEqual(jasmine.any(Function));
            expect(this.choices.removeItemsByValue).toEqual(jasmine.any(Function));
            expect(this.choices.removeActiveItems).toEqual(jasmine.any(Function));
            expect(this.choices.removeHighlightedItems).toEqual(jasmine.any(Function));
            expect(this.choices.showDropdown).toEqual(jasmine.any(Function));
            expect(this.choices.hideDropdown).toEqual(jasmine.any(Function));
            expect(this.choices.toggleDropdown).toEqual(jasmine.any(Function));
            expect(this.choices.setValue).toEqual(jasmine.any(Function));
            expect(this.choices.clearValue).toEqual(jasmine.any(Function));
            expect(this.choices.disable).toEqual(jasmine.any(Function));
            expect(this.choices.ajax).toEqual(jasmine.any(Function));
            expect(this.choices.clearInput).toEqual(jasmine.any(Function));
            expect(this.choices.clearInput).toEqual(jasmine.any(Function));
        });
    });

    describe('should create markup', function() {
        it('should hide passed input', function() {
            expect(this.choices.passedElement.style.display).toEqual('none');
        });
        it('should create an outer container', function() {
            expect(this.choices.containerOuter).toEqual(jasmine.any(HTMLElement));
        });
        it('should create an inner container', function() {
            expect(this.choices.containerInner).toEqual(jasmine.any(HTMLElement));
        });
        it('should create a choice list', function() {
            expect(this.choices.choiceList).toEqual(jasmine.any(HTMLElement));
        });
        it('should create an item list', function() {
            expect(this.choices.itemList).toEqual(jasmine.any(HTMLElement));
        });
        it('should create an input', function() {
            expect(this.choices.input).toEqual(jasmine.any(HTMLElement));
        });
        it('should create a dropdown', function() {
            expect(this.choices.dropdown).toEqual(jasmine.any(HTMLElement));
        });
    });

    describe('should allow inputted values', function() {
        it('should set value via using setValue()', function() {
            this.choices.setValue(['test1', 'test2']);
            expect(this.choices.currentState.items.length).toEqual(2);
        });
        it('should accept a user inputted value', function() {
            this.choices.input.focus();
            this.choices.input.value = 'test';

            this.choices._onKeyDown({
                target: this.choices.input,
                keyCode: 13,
                ctrlKey: false
            });

            expect(this.choices.currentState.items[0].value).toContain('test');
        });
    });
});