python source code of conftest

# conftest.py is used by pytest to share fixtures
# https://docs.pytest.org/en/latest/fixture.html#conftest-py-sharing-fixture-functions
import os
import tempfile
import time
from unittest import mock

import testing.postgresql
import pytest
import sqlalchemy
from flask_migrate import Migrate

from api import create_app


@pytest.fixture(scope="session")
def postgres():
    """
    The postgres Fixture. Starts a postgres instance inside a temp directory
    and closes it after tests are done.
    """
    with testing.postgresql.Postgresql() as postgresql:
        yield postgresql


# We spin up a temporary postgres instance
# in which we inject it into the app
@pytest.fixture(scope="session")
def client(postgres):
    config_dict = {
        "SQLALCHEMY_DATABASE_URI": postgres.url(),
        "DEBUG": True,
        "SQLALCHEMY_TRACK_MODIFICATIONS": False,
    }
    app = create_app(config_dict)
    app.app_context().push()

    time.sleep(2)
    from api.models import db

    db.create_all()
    # for test client api reference
    # http://flask.pocoo.org/docs/1.0/api/#test-client
    client = app.test_client()
    yield client