50 lines
1.5 KiB
TypeScript
50 lines
1.5 KiB
TypeScript
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import { findDuplicateIndex } from "./helpers";
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describe("Worker Helper functions test", () => {
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it("Correctly finds the duplicate index in an array of strings", () => {
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const input = ["a", "b", "c", "d", "e", "a", "b"];
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const expected = 5;
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const result = findDuplicateIndex(input);
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expect(result).toStrictEqual(expected);
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});
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it("Correctly finds the duplicate index in an array of objects and strings", () => {
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const input = [
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"a",
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"b",
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{ a: 1, b: 2 },
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{ a: 2, b: 3 },
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"e",
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{ a: 1, b: 2 },
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"b",
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];
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const expected = 5;
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const result = findDuplicateIndex(input);
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expect(result).toStrictEqual(expected);
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});
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/* TODO(abhinav): These kinds of issues creep up when dealing with JSON.stringify to make
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things simple. So, the ideal solution here is to prevent the
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usage of this function for array of objects
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*/
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it("Correctly ignores the duplicate index in an array of objects and strings, when properties are not ordered", () => {
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const input = [
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"a",
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"b",
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{ a: 1, b: 2 },
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{ a: 2, b: 3 },
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"e",
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{ b: 2, a: 1 },
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"b",
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];
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const expected = 6;
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const result = findDuplicateIndex(input);
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expect(result).toStrictEqual(expected);
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});
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it("Correctly returns -1 if no duplicates are found", () => {
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const input = ["a", "b", "c", "d", "e", "f", "g"];
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const expected = -1;
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const result = findDuplicateIndex(input);
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expect(result).toStrictEqual(expected);
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});
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});
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