From 29e0cb4b91b3800ef4974c54b8473e6e4fb28e16 Mon Sep 17 00:00:00 2001 From: Mike Greiling Date: Mon, 13 Mar 2017 21:48:32 +0000 Subject: Organize our polyfills and standardize on core-js --- spec/javascripts/polyfills/element_spec.js | 36 ++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 spec/javascripts/polyfills/element_spec.js (limited to 'spec/javascripts/polyfills/element_spec.js') diff --git a/spec/javascripts/polyfills/element_spec.js b/spec/javascripts/polyfills/element_spec.js new file mode 100644 index 00000000000..ecaaf1907ea --- /dev/null +++ b/spec/javascripts/polyfills/element_spec.js @@ -0,0 +1,36 @@ +import '~/commons/polyfills/element'; + +describe('Element polyfills', function () { + beforeEach(() => { + this.element = document.createElement('ul'); + }); + + describe('matches', () => { + it('returns true if element matches the selector', () => { + expect(this.element.matches('ul')).toBeTruthy(); + }); + + it("returns false if element doesn't match the selector", () => { + expect(this.element.matches('.not-an-element')).toBeFalsy(); + }); + }); + + describe('closest', () => { + beforeEach(() => { + this.childElement = document.createElement('li'); + this.element.appendChild(this.childElement); + }); + + it('returns the closest parent that matches the selector', () => { + expect(this.childElement.closest('ul').toString()).toBe(this.element.toString()); + }); + + it('returns itself if it matches the selector', () => { + expect(this.childElement.closest('li').toString()).toBe(this.childElement.toString()); + }); + + it('returns undefined if nothing matches the selector', () => { + expect(this.childElement.closest('.no-an-element')).toBeFalsy(); + }); + }); +}); -- cgit v1.2.1