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<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/custom-elements-es5-adapter.js"></script>

<script src="/bower_components/webcomponentsjs/webcomponents-lite.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();
      auth = Gerrit.Auth;
    });

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

    suite('Auth class methods', () => {
      let fakeFetch;
      setup(() => {
        auth = new Auth();
        fakeFetch = sandbox.stub(window, 'fetch');
      });

      test('auth-check returns 403', done => {
        fakeFetch.returns(Promise.resolve({status: 403}));
        auth.authCheck().then(authed => {
          assert.isFalse(authed);
          assert.equal(auth.status, Auth.STATUS.NOT_AUTHED);
          done();
        });
      });

      test('auth-check returns 204', done => {
        fakeFetch.returns(Promise.resolve({status: 204}));
        auth.authCheck().then(authed => {
          assert.isTrue(authed);
          assert.equal(auth.status, Auth.STATUS.AUTHED);
          done();
        });
      });

      test('auth-check returns 502', done => {
        fakeFetch.returns(Promise.resolve({status: 502}));
        auth.authCheck().then(authed => {
          assert.isFalse(authed);
          assert.equal(auth.status, Auth.STATUS.NOT_AUTHED);
          done();
        });
      });

      test('auth-check failed', done => {
        fakeFetch.returns(Promise.reject(new Error('random error')));
        auth.authCheck().then(authed => {
          assert.isFalse(authed);
          assert.equal(auth.status, Auth.STATUS.ERROR);
          done();
        });
      });
    });

    suite('cache and events behaivor', () => {
      let fakeFetch;
      let clock;
      setup(() => {
        auth = new Auth();
        clock = sinon.useFakeTimers();
        fakeFetch = sandbox.stub(window, 'fetch');
      });

      test('cache auth-check result', done => {
        fakeFetch.returns(Promise.resolve({status: 403}));
        auth.authCheck().then(authed => {
          assert.isFalse(authed);
          assert.equal(auth.status, Auth.STATUS.NOT_AUTHED);
          fakeFetch.returns(Promise.resolve({status: 204}));
          auth.authCheck().then(authed2 => {
            assert.isFalse(authed);
            assert.equal(auth.status, Auth.STATUS.NOT_AUTHED);
            done();
          });
        });
      });

      test('clearCache should refetch auth-check result', done => {
        fakeFetch.returns(Promise.resolve({status: 403}));
        auth.authCheck().then(authed => {
          assert.isFalse(authed);
          assert.equal(auth.status, Auth.STATUS.NOT_AUTHED);
          fakeFetch.returns(Promise.resolve({status: 204}));
          auth.clearCache();
          auth.authCheck().then(authed2 => {
            assert.isTrue(authed2);
            assert.equal(auth.status, Auth.STATUS.AUTHED);
            done();
          });
        });
      });

      test('cache expired on auth-check after certain time', done => {
        fakeFetch.returns(Promise.resolve({status: 403}));
        auth.authCheck().then(authed => {
          assert.isFalse(authed);
          assert.equal(auth.status, Auth.STATUS.NOT_AUTHED);
          clock.tick(1000 * 10000);
          fakeFetch.returns(Promise.resolve({status: 204}));
          auth.authCheck().then(authed2 => {
            assert.isTrue(authed2);
            assert.equal(auth.status, Auth.STATUS.AUTHED);
            done();
          });
        });
      });

      test('no cache if auth-check failed', done => {
        fakeFetch.returns(Promise.reject(new Error('random error')));
        auth.authCheck().then(authed => {
          assert.isFalse(authed);
          assert.equal(auth.status, Auth.STATUS.ERROR);
          assert.equal(fakeFetch.callCount, 1);
          auth.authCheck().then(() => {
            assert.equal(fakeFetch.callCount, 2);
            done();
          });
        });
      });

      test('fire event when switch from authed to unauthed', done => {
        fakeFetch.returns(Promise.resolve({status: 204}));
        auth.authCheck().then(authed => {
          assert.isTrue(authed);
          assert.equal(auth.status, Auth.STATUS.AUTHED);
          clock.tick(1000 * 10000);
          fakeFetch.returns(Promise.resolve({status: 403}));
          const emitStub = sinon.stub();
          Gerrit.emit = emitStub;
          auth.authCheck().then(authed2 => {
            assert.isFalse(authed2);
            assert.equal(auth.status, Auth.STATUS.NOT_AUTHED);
            assert.isTrue(emitStub.called);
            done();
          });
        });
      });

      test('fire event when switch from authed to error', done => {
        fakeFetch.returns(Promise.resolve({status: 204}));
        auth.authCheck().then(authed => {
          assert.isTrue(authed);
          assert.equal(auth.status, Auth.STATUS.AUTHED);
          clock.tick(1000 * 10000);
          fakeFetch.returns(Promise.reject(new Error('random error')));
          const emitStub = sinon.stub();
          Gerrit.emit = emitStub;
          auth.authCheck().then(authed2 => {
            assert.isFalse(authed2);
            assert.isTrue(emitStub.called);
            assert.equal(auth.status, Auth.STATUS.ERROR);
            done();
          });
        });
      });

      test('no event from non-authed to other status', done => {
        fakeFetch.returns(Promise.resolve({status: 403}));
        auth.authCheck().then(authed => {
          assert.isFalse(authed);
          assert.equal(auth.status, Auth.STATUS.NOT_AUTHED);
          clock.tick(1000 * 10000);
          fakeFetch.returns(Promise.resolve({status: 204}));
          const emitStub = sinon.stub();
          Gerrit.emit = emitStub;
          auth.authCheck().then(authed2 => {
            assert.isTrue(authed2);
            assert.isFalse(emitStub.called);
            assert.equal(auth.status, Auth.STATUS.AUTHED);
            done();
          });
        });
      });

      test('no event from non-authed to other status', done => {
        fakeFetch.returns(Promise.resolve({status: 403}));
        auth.authCheck().then(authed => {
          assert.isFalse(authed);
          assert.equal(auth.status, Auth.STATUS.NOT_AUTHED);
          clock.tick(1000 * 10000);
          fakeFetch.returns(Promise.reject(new Error('random error')));
          const emitStub = sinon.stub();
          Gerrit.emit = emitStub;
          auth.authCheck().then(authed2 => {
            assert.isFalse(authed2);
            assert.isFalse(emitStub.called);
            assert.equal(auth.status, Auth.STATUS.ERROR);
            done();
          });
        });
      });
    });

    suite('default (xsrf token header)', () => {
      setup(() => {
        sandbox.stub(window, 'fetch').returns(Promise.resolve({ok: true}));
      });

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

      test('POST', done => {
        sandbox.stub(auth, '_getCookie')
            .withArgs('XSRF_TOKEN')
            .returns('foobar');
        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');
          done();
        });
      });
    });

    suite('cors (access token)', () => {
      setup(() => {
        sandbox.stub(window, 'fetch').returns(Promise.resolve({ok: true}));
      });

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

      test('fetch not signed in', done => {
        getToken.returns(Promise.resolve());
        auth.fetch('/url', {bar: 'bar'}).then(() => {
          const [url, options] = fetch.lastCall.args;
          assert.equal(url, '/url');
          assert.equal(options.bar, 'bar');
          assert.equal(Object.keys(options.headers).length, 0);
          done();
        });
      });

      test('fetch signed in', done => {
        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');
          done();
        });
      });

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

      test('getToken refreshes token', done => {
        sandbox.stub(auth, '_isTokenValid');
        auth._isTokenValid
            .onFirstCall().returns(true)
            .onSecondCall()
            .returns(false)
            .onThirdCall()
            .returns(true);
        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');
              done();
            });
      });

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

      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 with content type', done => {
        const originalOptions = {
          method: 'PUT',
          headers: new Headers({'Content-Type': 'mail/pigeon'}),
        };
        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');
          done();
        });
      });

      test('HTTP PUT without content type', done => {
        const originalOptions = {
          method: 'PUT',
        };
        auth.fetch('/url', originalOptions).then(() => {
          assert.isTrue(getToken.called);
          const [url, options] = fetch.lastCall.args;
          assert.include(url, '$ct=text%2Fplain');
          assert.include(url, '$m=PUT');
          assert.include(url, 'access_token=zbaz');
          assert.equal(options.method, 'POST');
          assert.equal(options.headers.get('Content-Type'), 'text/plain');
          done();
        });
      });
    });
  });
</script>