''' 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
    }


# helpers

def create_users(db):
    ''' set up some well known example users '''
    from ordr2.models import Role, User
    stubs =  [
        ('Graham', 'Chapman', Role.UNVALIDATED),
        ('John', 'Cleese', Role.NEW),
        ('Terry', 'Gilliam', Role.USER),
        ('Eric', 'Idle', Role.PURCHASER),
        ('Terry', 'Jones', Role.ADMIN),
        ('Michael', 'Palin', Role.INACTIVE)
        ]
    for i, stub in enumerate(stubs):
        first_name, last_name, role = stub
        user = User(
            id=i+1,
            username=first_name + last_name,
            first_name = first_name,
            last_name = last_name,
            email = last_name.lower() + '@example.com',
            role=role,
            password_hash = first_name.lower()
            )
        db.add(user)


# 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')
        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)