sign-in-with-ethereum-parser/lib/parsers.test.ts

Parse Messages that conform to EIP-4361: Sign In with Ethereum (SIWE)

import { ParsedMessage } from "./abnf";
import * as fs from "fs";

const parsingPositive: object = JSON.parse(
  fs.readFileSync("../../test/parsing_positive.json", "utf8")
);
const parsingNegative: object = JSON.parse(
  fs.readFileSync("../../test/parsing_negative.json", "utf8")
);

//
describe("Successfully parses with ABNF Client", () => {
  test.concurrent.each(Object.entries(parsingPositive))(
    "Parses message successfully: %s",
    (test_name, test) => {
      const parsedMessage = new ParsedMessage(test.message);
      for (const [field, value] of Object.entries(test.fields)) {
        if (value === null) {
          expect(parsedMessage[field]).toBeUndefined();
        } else if (typeof value === "object") {
          expect(parsedMessage[field]).toStrictEqual(value);
        } else {
          expect(parsedMessage[field]).toBe(value);
        }
      }
    }
  );
});

describe("Successfully fails with ABNF Client", () => {
  test.concurrent.each(Object.entries(parsingNegative))(
    "Fails to parse message: %s",
    (test_name, test) => {
      expect(() => new ParsedMessage(test)).toThrow();
    }
  );
});