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exercise-typescript/typescript/rna-transcription/rna-transcription.test.ts
2022-11-02 21:47:48 +01:00

36 lines
980 B
TypeScript

import { toRna } from "./rna-transcription";
describe("Transcriptor", () => {
it("transcribes cytosine to guanine", () => {
expect(toRna("C")).toEqual("G");
});
it("transcribes guanine to cytosine", () => {
expect(toRna("G")).toEqual("C");
});
it("transcribes adenine to uracil", () => {
expect(toRna("A")).toEqual("U");
});
it("transcribes thymine to adenine", () => {
expect(toRna("T")).toEqual("A");
});
it("transcribes all dna nucleotides to their rna complements", () => {
expect(toRna("ACGTGGTCTTAA")).toEqual("UGCACCAGAAUU");
});
it("correctly handles invalid input", () => {
expect(() => toRna("U")).toThrowError("Invalid input DNA.");
});
it("correctly handles completely invalid input", () => {
expect(() => toRna("XXX")).toThrowError("Invalid input DNA.");
});
it("correctly handles partially invalid input", () => {
expect(() => toRna("ACGTXXXCTTAA")).toThrowError("Invalid input DNA.");
});
});