[1.2.X] Migrated m2m_intermediary doctests. Thanks to Alex Gaynor.

    def __unicode__(self):

        return u'%s (%s)' % (self.reporter, self.position)

__test__ = {'API_TESTS':"""

# Create a few Reporters.

>>> r1 = Reporter(first_name='John', last_name='Smith')

>>> r1.save()

>>> r2 = Reporter(first_name='Jane', last_name='Doe')

>>> r2.save()

# Create an Article.

>>> from datetime import datetime

>>> a = Article(headline='This is a test', pub_date=datetime(2005, 7, 27))

>>> a.save()

# Create a few Writers.

>>> w1 = Writer(reporter=r1, article=a, position='Main writer')

>>> w1.save()

>>> w2 = Writer(reporter=r2, article=a, position='Contributor')

>>> w2.save()

# Play around with the API.

>>> a.writer_set.select_related().order_by('-position')

[<Writer: John Smith (Main writer)>, <Writer: Jane Doe (Contributor)>]

>>> w1.reporter

<Reporter: John Smith>

>>> w2.reporter

<Reporter: Jane Doe>

>>> w1.article

<Article: This is a test>

>>> w2.article

<Article: This is a test>

>>> r1.writer_set.all()

[<Writer: John Smith (Main writer)>]

"""}

from datetime import datetime

from django.test import TestCase

from models import Reporter, Article, Writer

class M2MIntermediaryTests(TestCase):

    def test_intermeiary(self):

        r1 = Reporter.objects.create(first_name="John", last_name="Smith")

        r2 = Reporter.objects.create(first_name="Jane", last_name="Doe")

        a = Article.objects.create(

            headline="This is a test", pub_date=datetime(2005, 7, 27)

        )

        w1 = Writer.objects.create(reporter=r1, article=a, position="Main writer")

        w2 = Writer.objects.create(reporter=r2, article=a, position="Contributor")

        self.assertQuerysetEqual(

            a.writer_set.select_related().order_by("-position"), [

                ("John Smith", "Main writer"),

                ("Jane Doe", "Contributor"),

            ],

            lambda w: (unicode(w.reporter), w.position)

        )

        self.assertEqual(w1.reporter, r1)

        self.assertEqual(w2.reporter, r2)

        self.assertEqual(w1.article, a)

        self.assertEqual(w2.article, a)

        self.assertQuerysetEqual(

            r1.writer_set.all(), [

                ("John Smith", "Main writer")

            ],

            lambda w: (unicode(w.reporter), w.position)

        )