56 lines
1.4 KiB
TypeScript
56 lines
1.4 KiB
TypeScript
import { describe, expect, it } from "bun:test";
|
|
|
|
import { sortByProperty } from "./sortByProperty";
|
|
|
|
describe("sortByProperty", () => {
|
|
it("ascending order, array stays same", () => {
|
|
const sorted = [{ key: "a" }, { key: "b" }, { key: "c" }].sort(
|
|
sortByProperty({ a: 1, b: 2, c: 3 }, "key"),
|
|
);
|
|
|
|
expect(sorted).toEqual([{ key: "a" }, { key: "b" }, { key: "c" }]);
|
|
});
|
|
|
|
it("descending order, array is reversed", () => {
|
|
const sorted = [{ key: "a" }, { key: "b" }, { key: "c" }].sort(
|
|
sortByProperty({ a: 3, b: 2, c: 1 }, "key"),
|
|
);
|
|
|
|
expect(sorted).toEqual([{ key: "c" }, { key: "b" }, { key: "a" }]);
|
|
});
|
|
|
|
it("randomized order, array is randomized", () => {
|
|
const sorted = [
|
|
{ key: "a" },
|
|
{ key: "b" },
|
|
{ key: "c" },
|
|
{ key: "d" },
|
|
{ key: "e" },
|
|
].sort(sortByProperty({ a: 3, b: 4, c: 1, d: 2, e: 5 }, "key"));
|
|
|
|
expect(sorted).toEqual([
|
|
{ key: "c" },
|
|
{ key: "d" },
|
|
{ key: "a" },
|
|
{ key: "b" },
|
|
{ key: "e" },
|
|
]);
|
|
});
|
|
|
|
it("object without expected property gets put to end of array", () => {
|
|
const sorted = [
|
|
{ key: "a" },
|
|
{ different: "key" },
|
|
{ key: "b" },
|
|
{ key: "c" },
|
|
].sort(sortByProperty({ a: 3, b: 2, c: 1, key: 0 }, "key"));
|
|
|
|
expect(sorted).toEqual([
|
|
{ key: "c" },
|
|
{ key: "b" },
|
|
{ key: "a" },
|
|
{ different: "key" },
|
|
]);
|
|
});
|
|
});
|