Function installFakeAddon

test/workspaceKeychain.test.js:335–358

(getPasswordImpl)

  let savedCache;

  function installFakeAddon(getPasswordImpl) {
    const fake = {
      Entry: function (service, account) {
        this.service = service;
        this.account = account;
      },
    };
    fake.Entry.prototype.getPassword = getPasswordImpl;
    fake.Entry.prototype.setPassword = function () { /* no-op */ };
    // Hijack Module._cache so `require('@napi-rs/keyring')` resolves
    // to our fake even when the real package isn't installed.
    const Module = require('module');
    const fakeId = '__fake_napi_keyring__';
    require.cache[fakeId] = {
      id: fakeId, filename: fakeId, loaded: true, exports: fake,
      children: [], paths: [],
    };
    const orig = Module._resolveFilename;
    savedCache = { orig, fakeId };
    Module._resolveFilename = function (req, ...rest) {
      if (req === ADDON_PATH) return fakeId;
      return orig.call(this, req, ...rest);
    };
  }

  function uninstallFakeAddon() {
    if (savedCache) {