# -*- coding: utf-8 -*-
# Copyright (c) 2013 Romain Command&
#
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# furnished to do so, subject to the following conditions:
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"""Tests for factory_boy/SQLAlchemy interactions."""

import factory
from .compat import unittest


try:
    import sqlalchemy
except ImportError:
    sqlalchemy = None

if sqlalchemy:
    from factory import SQLAlchemyModelFactory
    from .alchemyapp import models
else:

    class Fake(object):
        FACTORY_SESSION = None

    models = Fake()
    models.StandardModel = Fake()
    models.NonIntegerPk = Fake()
    models.session = Fake()
    SQLAlchemyModelFactory = Fake


class StandardFactory(SQLAlchemyModelFactory):
    FACTORY_FOR = models.StandardModel
    FACTORY_SESSION = models.session

    id = factory.Sequence(lambda n: n)
    foo = factory.Sequence(lambda n: 'foo%d' % n)


class NonIntegerPkFactory(SQLAlchemyModelFactory):
    FACTORY_FOR = models.NonIntegerPk
    FACTORY_SESSION = models.session

    id = factory.Sequence(lambda n: 'foo%d' % n)


@unittest.skipIf(sqlalchemy is None, "SQLalchemy not installed.")
class SQLAlchemyPkSequenceTestCase(unittest.TestCase):

    def setUp(self):
        super(SQLAlchemyPkSequenceTestCase, self).setUp()
        StandardFactory.reset_sequence()
        NonIntegerPkFactory.FACTORY_SESSION.rollback()

    def test_pk_first(self):
        std = StandardFactory.build()
        self.assertEqual('foo1', std.foo)

    def test_pk_many(self):
        std1 = StandardFactory.build()
        std2 = StandardFactory.build()
        self.assertEqual('foo1', std1.foo)
        self.assertEqual('foo2', std2.foo)

    def test_pk_creation(self):
        std1 = StandardFactory.create()
        self.assertEqual('foo1', std1.foo)
        self.assertEqual(1, std1.id)

        StandardFactory.reset_sequence()
        std2 = StandardFactory.create()
        self.assertEqual('foo2', std2.foo)
        self.assertEqual(2, std2.id)

    def test_pk_force_value(self):
        std1 = StandardFactory.create(id=10)
        self.assertEqual('foo1', std1.foo)  # sequence was set before pk
        self.assertEqual(10, std1.id)

        StandardFactory.reset_sequence()
        std2 = StandardFactory.create()
        self.assertEqual('foo11', std2.foo)
        self.assertEqual(11, std2.id)


@unittest.skipIf(sqlalchemy is None, "SQLalchemy not installed.")
class SQLAlchemyNonIntegerPkTestCase(unittest.TestCase):
    def setUp(self):
        super(SQLAlchemyNonIntegerPkTestCase, self).setUp()
        NonIntegerPkFactory.reset_sequence()
        NonIntegerPkFactory.FACTORY_SESSION.rollback()

    def test_first(self):
        nonint = NonIntegerPkFactory.build()
        self.assertEqual('foo1', nonint.id)

    def test_many(self):
        nonint1 = NonIntegerPkFactory.build()
        nonint2 = NonIntegerPkFactory.build()

        self.assertEqual('foo1', nonint1.id)
        self.assertEqual('foo2', nonint2.id)

    def test_creation(self):
        nonint1 = NonIntegerPkFactory.create()
        self.assertEqual('foo1', nonint1.id)

        NonIntegerPkFactory.reset_sequence()
        nonint2 = NonIntegerPkFactory.build()
        self.assertEqual('foo1', nonint2.id)

    def test_force_pk(self):
        nonint1 = NonIntegerPkFactory.create(id='foo10')
        self.assertEqual('foo10', nonint1.id)

        NonIntegerPkFactory.reset_sequence()
        nonint2 = NonIntegerPkFactory.create()
        self.assertEqual('foo1', nonint2.id)