Montassar Ghanmy
36 lines
1.0 KiB
TypeScript
36 lines
1.0 KiB
TypeScript
import { describe, expect, it } from "@jest/globals";
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import * as pickUtils from "../../src/utils/pick";
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describe("The pick utils", () => {
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describe("The pick function", () => {
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it("should return an object wich contains only the defined properties", () => {
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class TestClass {
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keep: string;
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me: string;
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skip: string;
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}
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const keysToKeep = ["keep", "me"] as const;
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const object = { keep: "foo", me: "bar", skip: "baz" } as TestClass;
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const result = pickUtils.pick(object, ...keysToKeep);
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expect(result).toEqual({ keep: "foo", me: "bar" });
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expect(result).not.toContain("skip");
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});
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it("should return an empty object when input is empty", () => {
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class TestClass {
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keep: string;
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me: string;
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skip: string;
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}
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const keysToKeep = [] as const;
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const object = { keep: "foo", me: "bar", skip: "baz" } as TestClass;
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const result = pickUtils.pick(object, ...keysToKeep);
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expect(result).toEqual({});
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});
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});
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});
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