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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" }],
]);
});
});
});
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