import pytest
import os

from dvc.config import Config
from dvc.remote.gdrive import (
    RemoteGDrive,
    GDriveAccessTokenRefreshError,
    GDriveMissedCredentialKeyError,
)

USER_CREDS_TOKEN_REFRESH_ERROR = '{"access_token": "", "client_id": "", "client_secret": "", "refresh_token": "", "token_expiry": "", "token_uri": "https://oauth2.googleapis.com/token", "user_agent": null, "revoke_uri": "https://oauth2.googleapis.com/revoke", "id_token": null, "id_token_jwt": null, "token_response": {"access_token": "", "expires_in": 3600, "scope": "https://www.googleapis.com/auth/drive.appdata https://www.googleapis.com/auth/drive", "token_type": "Bearer"}, "scopes": ["https://www.googleapis.com/auth/drive", "https://www.googleapis.com/auth/drive.appdata"], "token_info_uri": "https://oauth2.googleapis.com/tokeninfo", "invalid": true, "_class": "OAuth2Credentials", "_module": "oauth2client.client"}'  # noqa: E501

USER_CREDS_MISSED_KEY_ERROR = "{}"


class Repo(object):
    tmp_dir = ""
    config = Config()


class TestRemoteGDrive(object):
    CONFIG = {
        "url": "gdrive://root/data",
        "gdrive_client_id": "client",
        "gdrive_client_secret": "secret",
    }

    def test_init(self):
        remote = RemoteGDrive(Repo(), self.CONFIG)
        assert str(remote.path_info) == self.CONFIG["url"]
        assert not remote.no_traverse

    def test_drive(self):
        remote = RemoteGDrive(Repo(), self.CONFIG)
        os.environ[
            RemoteGDrive.GDRIVE_USER_CREDENTIALS_DATA
        ] = USER_CREDS_TOKEN_REFRESH_ERROR
        with pytest.raises(GDriveAccessTokenRefreshError):
            remote.drive

        os.environ[RemoteGDrive.GDRIVE_USER_CREDENTIALS_DATA] = ""
        remote = RemoteGDrive(Repo(), self.CONFIG)
        os.environ[
            RemoteGDrive.GDRIVE_USER_CREDENTIALS_DATA
        ] = USER_CREDS_MISSED_KEY_ERROR
        with pytest.raises(GDriveMissedCredentialKeyError):
            remote.drive
