// Copyright 2013 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import * as assert from 'assert';
import {describe, it, beforeEach, afterEach} from 'mocha';
import * as sinon from 'sinon';
import {IAMAuth} from '../src';

describe('iam', () => {
  const testSelector = 'a-test-selector';
  const testToken = 'a-test-token';

  let sandbox: sinon.SinonSandbox;
  let client: IAMAuth;
  beforeEach(() => {
    sandbox = sinon.createSandbox();
    client = new IAMAuth(testSelector, testToken);
  });
  afterEach(() => {
    sandbox.restore();
  });

  it('passes the token and selector to the callback ', async () => {
    const creds = client.getRequestHeaders();
    assert.notStrictEqual(creds, null, 'metadata should be present');
    assert.strictEqual(creds!['x-goog-iam-authority-selector'], testSelector);
    assert.strictEqual(creds!['x-goog-iam-authorization-token'], testToken);
  });
});