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lens/src/common/utils/__tests__/n-fircate.test.ts

56 lines
2.1 KiB
TypeScript

/**
* Copyright (c) 2021 OpenLens Authors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
import { nFircate } from "../n-fircate";
describe("nFircate", () => {
it("should produce an empty array if no parts are provided", () => {
expect(nFircate([{ a: 1 }, { a: 2 }], "a", []).length).toBe(0);
});
it("should ignore non-matching parts", () => {
const res = nFircate([{ a: 1 }, { a: 2 }], "a", [1]);
expect(res.length).toBe(1);
expect(res[0].length).toBe(1);
});
it("should include all matching parts in each type", () => {
const res = nFircate([{ a: 1, b: "a" }, { a: 2, b: "b" }, { a: 1, b: "c" }], "a", [1, 2]);
expect(res.length).toBe(2);
expect(res[0].length).toBe(2);
expect(res[0][0].b).toBe("a");
expect(res[0][1].b).toBe("c");
expect(res[1].length).toBe(1);
expect(res[1][0].b).toBe("b");
});
it("should throw a type error if the same part is provided more than once", () => {
try {
nFircate([{ a: 1, b: "a" }, { a: 2, b: "b" }, { a: 1, b: "c" }], "a", [1, 2, 1]);
fail("Expected error");
} catch (error) {
expect(error).toBeInstanceOf(TypeError);
}
});
});