dte-signer-sv/dist/test/crypto.test.js

Sign Digital Tax Documents (DTE) for El Salvador's Ministry of Finance

import { hash } from "../lib/crypto";
describe("Crypto", () => {
    describe("hash", () => {
        it("should create SHA-512 hash", () => {
            const input = "test123";
            const result = hash(input);
            // SHA-512 produces 128 character hex string
            expect(result).toHaveLength(128);
            expect(result).toMatch(/^[a-f0-9]+$/);
        });
        it("should produce consistent hashes", () => {
            const input = "testPassword123";
            const hash1 = hash(input);
            const hash2 = hash(input);
            expect(hash1).toBe(hash2);
        });
        it("should produce different hashes for different inputs", () => {
            const hash1 = hash("password1");
            const hash2 = hash("password2");
            expect(hash1).not.toBe(hash2);
        });
        it("should handle empty string", () => {
            const result = hash("");
            expect(result).toHaveLength(128);
        });
        it("should handle special characters", () => {
            const input = "test!@#$%^&*()_+-=[]{}|;':\",./<>?";
            const result = hash(input);
            expect(result).toHaveLength(128);
        });
        it("should match expected hash for known input", () => {
            const input = "newpassword123";
            const expectedHash = "f1fa51e19d62308105f92952febe4273eb683c7c65540f67d9abecebcdba877e3bfa87f4f65f2b5121e878a7655d4cc7ab313c463d9c08875fe9e76473bbbbf4";
            const result = hash(input);
            expect(result).toBe(expectedHash);
        });
    });
});
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