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