describe('storage()', () => {
  describe('ref()', () => {
    describe('toString()', () => {
      it('returns the correct bucket path to the file', () => {
        const app = firebase.app();
        firebase
          .storage()
          .ref('/uploadNope.jpeg')
          .toString()
          .should.equal(`gs://${app.options.storageBucket}/uploadNope.jpeg`);
      });
    });

    describe('downloadFile()', () => {
      it('errors if permission denied', async () => {
        try {
          await firebase
            .storage()
            .ref('/not.jpg')
            .downloadFile(
              `${firebase.storage.Native.DOCUMENT_DIRECTORY_PATH}/not.jpg`
            );
          return Promise.reject(new Error('No permission denied error'));
        } catch (error) {
          error.code.should.equal('storage/unauthorized');
          error.message.includes('not authorized').should.be.true();
          return Promise.resolve();
        }
      });

      it('downloads a file', async () => {
        const meta = await firebase
          .storage()
          .ref('/ok.jpeg')
          .downloadFile(
            `${firebase.storage.Native.DOCUMENT_DIRECTORY_PATH}/ok.jpeg`
          );

        meta.state.should.eql(firebase.storage.TaskState.SUCCESS);
        meta.bytesTransferred.should.eql(meta.totalBytes);
      });
    });

    describe('putFile()', () => {
      before(async () => {
        await firebase
          .storage()
          .ref('/ok.jpeg')
          .downloadFile(
            `${firebase.storage.Native.DOCUMENT_DIRECTORY_PATH}/ok.jpeg`
          );
      });

      it('errors if permission denied', async () => {
        try {
          await firebase
            .storage()
            .ref('/uploadNope.jpeg')
            .putFile(
              `${firebase.storage.Native.DOCUMENT_DIRECTORY_PATH}/ok.jpeg`
            );
          return Promise.reject(new Error('No permission denied error'));
        } catch (error) {
          error.code.should.equal('storage/unauthorized');
          error.message.includes('not authorized').should.be.true();
          return Promise.resolve();
        }
      });

      it('uploads a file', async () => {
        const uploadTaskSnapshot = await firebase
          .storage()
          .ref('/uploadOk.jpeg')
          .putFile(
            `${firebase.storage.Native.DOCUMENT_DIRECTORY_PATH}/ok.jpeg`
          );

        uploadTaskSnapshot.state.should.eql(firebase.storage.TaskState.SUCCESS);
        uploadTaskSnapshot.bytesTransferred.should.eql(
          uploadTaskSnapshot.totalBytes
        );
        uploadTaskSnapshot.metadata.should.be.an.Object();
        uploadTaskSnapshot.downloadURL.should.be.a.String();
      });
    });

    describe('on()', () => {
      before(async () => {
        await firebase
          .storage()
          .ref('/ok.jpeg')
          .downloadFile(
            `${firebase.storage.Native.DOCUMENT_DIRECTORY_PATH}/ok.jpeg`
          );
      });

      it('listens to upload state', () => {
        const { resolve, reject, promise } = Promise.defer();
        const path = `${
          firebase.storage.Native.DOCUMENT_DIRECTORY_PATH
        }/ok.jpeg`;
        const ref = firebase.storage().ref('/uploadOk.jpeg');

        const unsubscribe = ref.putFile(path).on(
          firebase.storage.TaskEvent.STATE_CHANGED,
          snapshot => {
            if (snapshot.state === firebase.storage.TaskState.SUCCESS) {
              resolve();
            }
          },
          error => {
            unsubscribe();
            reject(error);
          }
        );

        return promise;
      });
    });
  });
});