import Keymaps from '../../../src/shared/settings/Keymaps'; import { expect } from 'chai'; describe('Keymaps', () => { describe('#valueOf', () => { it('returns empty object by empty settings', () => { let keymaps = Keymaps.fromJSON({}).toJSON(); expect(keymaps).to.be.empty; }); it('returns keymaps by valid settings', () => { let keymaps = Keymaps.fromJSON({ k: { type: "scroll.vertically", count: -1 }, j: { type: "scroll.vertically", count: 1 }, }).toJSON(); expect(keymaps['k']).to.deep.equal({ type: "scroll.vertically", count: -1 }); expect(keymaps['j']).to.deep.equal({ type: "scroll.vertically", count: 1 }); }); it('throws a TypeError by invalid settings', () => { expect(() => Keymaps.fromJSON(null)).to.throw(TypeError); expect(() => Keymaps.fromJSON({ k: { type: "invalid.operation" }, })).to.throw(TypeError); }); }); describe('#combine', () => { it('returns combined keymaps', () => { let keymaps = Keymaps.fromJSON({ k: { type: "scroll.vertically", count: -1 }, j: { type: "scroll.vertically", count: 1 }, }).combine(Keymaps.fromJSON({ n: { type: "find.next" }, N: { type: "find.prev" }, })); let entries = keymaps.entries().sort(([name1], [name2]) => name1.localeCompare(name2)); expect(entries).deep.equals([ ['j', { type: "scroll.vertically", count: 1 }], ['k', { type: "scroll.vertically", count: -1 }], ['n', { type: "find.next" }], ['N', { type: "find.prev" }], ]); }); it('overrides current keymaps', () => { let keymaps = Keymaps.fromJSON({ k: { type: "scroll.vertically", count: -1 }, j: { type: "scroll.vertically", count: 1 }, }).combine(Keymaps.fromJSON({ n: { type: "find.next" }, j: { type: "find.prev" }, })); let entries = keymaps.entries().sort(([name1], [name2]) => name1.localeCompare(name2)); expect(entries).deep.equals([ ['j', { type: "find.prev" }], ['k', { type: "scroll.vertically", count: -1 }], ['n', { type: "find.next" }], ]); }); }); });