@bsv/sdk/src/wallet/substrates/__tests/toOriginHeader.test.ts

BSV Blockchain Software Development Kit

import { toOriginHeader } from "../utils/toOriginHeader"

afterEach(() => jest.resetAllMocks())

type FetchMockCall = Parameters<typeof fetch> // alias for readability

function okJson(body: unknown = {}) {
  return Promise.resolve({
    ok: true,
    status: 200,
    json: () => Promise.resolve(body),
  } as Response)
}

describe("toOriginHeader()", () => {
  const vectors: Array<[originator: string, baseUrl: string, expected: string | undefined]> = [
    /* originator,                     baseUrl,                      expected */
    ["localhost", "http://localhost:3321", "http://localhost"],
    ["localhost:3000", "http://localhost:3321", "http://localhost:3000"],
    ["example.com", "https://api.example.com", "https://example.com"],
    ["https://example.com:8443", "http://localhost:3321", "https://example.com:8443"],
    // ["metanet://somehost", "http://localhost:3321", "metanet://somehost"], // TODO: Consider adding support in the future
  ]

  it.each(vectors)("originator=%p, baseUrl=%p → %p", (originator, baseUrl, expected) => {
    const schemeFromBase = new URL(baseUrl).protocol.replace(":", "")
    const result = toOriginHeader(originator, schemeFromBase)
    expect(result).toBe(expected)
  })

  it("throws on clearly malformed input", () => {
    expect(() => toOriginHeader("bad url^%", "http")).toThrow()
  })
})