''' Test package for ordr2. '''

import pytest
import transaction

from pyramid import testing


APP_SETTINGS = {
    'sqlalchemy.url': 'sqlite:///:memory:',
    'auth.secret': 'not-very-secure',
    'session.secret': 'not-very-secure',
    'session.auto_csrf': True
    }

EXAMPLE_USERS = {
    'unvalidated': (1, 'Graham', 'Chapman'),
    'new': (2, 'John', 'Cleese'),
    'user': (3, 'Terry', 'Gilliam'),
    'purchaser': (4, 'Eric', 'Idle'),
    'admin': (5, 'Terry', 'Jones'),
    'inactive': (6, 'Michael', 'Palin'),
    }


# helpers

def create_user(db, role_name):
    ''' set up one well known example users '''
    from ordr2.models import Role, User
    id_, first_name, last_name = EXAMPLE_USERS[role_name]
    user = User(
        id=id_,
        username=first_name + last_name,
        first_name = first_name,
        last_name = last_name,
        email = last_name.lower() + '@example.com',
        role=Role(role_name)
        )
    user.set_password(first_name)
    db.add(user)
    return user


def create_users(db):
    ''' set up all well known example users '''
    from ordr2.models import Role
    for role in Role:
        create_user(db, role.value)


# fixtures

@pytest.fixture(scope='session')
def app_config():
    ''' fixture for tests requiring a pyramid.testing setup '''
    with testing.testConfig(settings=APP_SETTINGS) as config:
        config.include('pyramid_jinja2')
        #config.include('pyramid_mailer.testing')

        from ordr2.models.users import passlib_context
        passlib_context.update(schemes=['argon2'])

        yield config


@pytest.fixture(scope='function')
def dbsession(app_config):
    ''' fixture for testing with database connection '''
    from ordr2.models.meta import Base
    from ordr2.models import (
        get_engine,
        get_session_factory,
        get_tm_session
        )

    settings = app_config.get_settings()
    engine = get_engine(settings)
    session_factory = get_session_factory(engine)
    session = get_tm_session(session_factory, transaction.manager)
    Base.metadata.create_all(engine)

    yield session

    transaction.abort()
    Base.metadata.drop_all(engine)