<!DOCTYPE html>
<!--
Copyright (C) 2017 The Android Open Source Project

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.
-->

<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-auth</title>

<script src="../../../bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
<script src="../../../bower_components/web-component-tester/browser.js"></script>
<link rel="import" href="../../../test/common-test-setup.html"/>
<link rel="import" href="../../../behaviors/base-url-behavior/base-url-behavior.html">

<script src="gr-auth.js"></script>

<script>
  suite('gr-auth', () => {
    let auth;
    let sandbox;

    setup(() => {
      sandbox = sinon.sandbox.create();
      sandbox.stub(window, 'fetch').returns(Promise.resolve({ok: true}));
      auth = Gerrit.Auth;
    });

    teardown(() => {
      sandbox.restore();
    });

    suite('default (xsrf token header)', () => {
      test('GET', () => {
        return auth.fetch('/url', {bar: 'bar'}).then(() => {
          const [url, options] = fetch.lastCall.args;
          assert.equal(url, '/url');
          assert.equal(options.credentials, 'same-origin');
        });
      });

      test('POST', () => {
        sandbox.stub(auth, '_getCookie')
            .withArgs('XSRF_TOKEN')
            .returns('foobar');
        return auth.fetch('/url', {method: 'POST'}).then(() => {
          const [url, options] = fetch.lastCall.args;
          assert.equal(url, '/url');
          assert.equal(options.credentials, 'same-origin');
          assert.equal(options.headers.get('X-Gerrit-Auth'), 'foobar');
        });
      });
    });

    suite('cors (access token)', () => {
      let getToken;

      const makeToken = opt_accessToken => {
        return {
          access_token: opt_accessToken || 'zbaz',
          expires_at: new Date(Date.now() + 10e8).getTime(),
        };
      };

      setup(() => {
        getToken = sandbox.stub();
        getToken.returns(Promise.resolve(makeToken()));
        auth.setup(getToken);
      });

      test('base url support', () => {
        const baseUrl = 'http://foo';
        sandbox.stub(Gerrit.BaseUrlBehavior, 'getBaseUrl').returns(baseUrl);
        return auth.fetch(baseUrl + '/url', {bar: 'bar'}).then(() => {
          const [url] = fetch.lastCall.args;
          assert.equal(url, 'http://foo/a/url?access_token=zbaz');
        });
      });

      test('fetch not signed in', () => {
        getToken.returns(Promise.resolve());
        return auth.fetch('/url', {bar: 'bar'}).then(() => {
          const [url, options] = fetch.lastCall.args;
          assert.equal(url, '/url');
          assert.equal(options.bar, 'bar');
          assert.isUndefined(options.headers);
        });
      });

      test('fetch signed in', () => {
        return auth.fetch('/url', {bar: 'bar'}).then(() => {
          const [url, options] = fetch.lastCall.args;
          assert.equal(url, '/a/url?access_token=zbaz');
          assert.equal(options.bar, 'bar');
        });
      });

      test('getToken calls are cached', () => {
        return Promise.all([
          auth.fetch('/url-one'), auth.fetch('/url-two')]).then(() => {
            assert.equal(getToken.callCount, 1);
          });
      });

      test('getToken refreshes token', () => {
        sandbox.stub(auth, '_isTokenValid');
        auth._isTokenValid
            .onFirstCall().returns(true)
            .onSecondCall().returns(false)
            .onThirdCall().returns(true);
        return auth.fetch('/url-one').then(() => {
          getToken.returns(Promise.resolve(makeToken('bzzbb')));
          return auth.fetch('/url-two');
        }).then(() => {
          const [[firstUrl], [secondUrl]] = fetch.args;
          assert.equal(firstUrl, '/a/url-one?access_token=zbaz');
          assert.equal(secondUrl, '/a/url-two?access_token=bzzbb');
        });
      });

      test('signed in token error falls back to anonymous', () => {
        getToken.returns(Promise.resolve('rubbish'));
        return auth.fetch('/url', {bar: 'bar'}).then(() => {
          const [url, options] = fetch.lastCall.args;
          assert.equal(url, '/url');
          assert.equal(options.bar, 'bar');
        });
      });

      test('_isTokenValid', () => {
        assert.isFalse(auth._isTokenValid());
        assert.isFalse(auth._isTokenValid({}));
        assert.isFalse(auth._isTokenValid({access_token: 'foo'}));
        assert.isFalse(auth._isTokenValid({
          access_token: 'foo',
          expires_at: Date.now()/1000 - 1,
        }));
        assert.isTrue(auth._isTokenValid({
          access_token: 'foo',
          expires_at: Date.now()/1000 + 1,
        }));
      });

      test('HTTP PUT', () => {
        const originalOptions = {
          method: 'PUT',
          headers: new Headers({'Content-Type': 'mail/pigeon'}),
        };
        return auth.fetch('/url', originalOptions).then(() => {
          assert.isTrue(getToken.called);
          const [url, options] = fetch.lastCall.args;
          assert.include(url, '$ct=mail%2Fpigeon');
          assert.include(url, '$m=PUT');
          assert.include(url, 'access_token=zbaz');
          assert.equal(options.method, 'POST');
          assert.equal(options.headers.get('Content-Type'), 'text/plain');
        });
      });
    });
  });
</script>