test StringProperty to TextPRoperty.py

# on the Python side you can not ovbserve a change in type:
# https://stackoverflow.com/questions/15254344/db-stringproperty-but-property-is-occasionally-datastore-types-text
  
from google.appengine.ext import ndb
from google.appengine.ext.ndb import polymodel


class TestModel(ndb.Model):
    s_ni_nd = ndb.StringProperty(indexed=False)
    s_ni_du = ndb.StringProperty(indexed=False, default=unicode('ufoo'))
    s_ni_ds = ndb.StringProperty(indexed=False, default=str('sfoo'))
    s_i_nd = ndb.StringProperty(indexed=True)
    s_i_du = ndb.StringProperty(indexed=True, default=unicode('ufoo'))
    s_i_ds = ndb.StringProperty(indexed=True, default=str('sfoo'))

class ReadModel(polymodel.PolyModel):
    @classmethod
    def _get_kind(cls):
        return 'TestModel'


def test_ndb_types(gae):
    t1 = TestModel(id='onlydefaults')
    t1.put()
    t1 = t1.key.get() # reload
    t1 = ReadModel.get_by_id(t1.key.id())
    assert type(t1.s_ni_du) == unicode
    assert type(t1.s_ni_ds) == unicode
    assert type(t1.s_i_du) == unicode
    assert type(t1.s_i_ds) == unicode
    assert type(t1._properties['s_i_ds']) == ndb.StringProperty
    assert type(t1._properties['s_ni_du']) == ndb.StringProperty
    assert type(t1._properties['s_ni_ds']) == ndb.StringProperty
    assert type(t1._properties['s_i_nd']) == ndb.StringProperty
    assert type(t1._properties['s_i_du']) == ndb.StringProperty
    assert type(t1._properties['s_i_ds']) == ndb.StringProperty

    t2 = TestModel(id='allstr',
    s_ni_nd=str('s_ni_nd'),
    s_ni_du=str('s_ni_du'),
    s_ni_ds=str('s_ni_ds'),
    s_i_nd=str('s_i_nd '),
    s_i_du=str('s_i_du '),
    s_i_ds=str('s_i_ds '),
    )
    t2.put()
    t2 = t2.key.get() # reload
    t2 = ReadModel.get_by_id(t2.key.id())
    assert type(t2.s_ni_nd) == unicode
    assert type(t2.s_ni_du) == unicode
    assert type(t2.s_ni_ds) == unicode
    assert type(t2.s_i_nd) == unicode
    assert type(t2.s_i_du) == unicode
    assert type(t2.s_i_ds) == unicode
    assert type(t2._properties['s_i_ds']) == ndb.StringProperty
    assert type(t2._properties['s_ni_du']) == ndb.StringProperty
    assert type(t2._properties['s_ni_ds']) == ndb.StringProperty
    assert type(t2._properties['s_i_nd']) == ndb.StringProperty
    assert type(t2._properties['s_i_du']) == ndb.StringProperty
    assert type(t2._properties['s_i_ds']) == ndb.StringProperty

    t3 = TestModel(id='allunicode',
    s_ni_du=unicode('s_ni_du'),
    s_ni_nd=unicode('s_ni_nd'),
    s_ni_ds=unicode('s_ni_ds'),
    s_i_nd=unicode('s_i_nd '),
    s_i_du=unicode('s_i_du '),
    s_i_ds=unicode('s_i_ds '),
    )
    t3.put()
    t3 = t2.key.get() # reload
    t3 = ReadModel.get_by_id(t3.key.id())
    assert type(t3.s_ni_nd) == unicode
    assert type(t3.s_ni_du) == unicode
    assert type(t3.s_ni_ds) == unicode
    assert type(t3.s_i_nd) == unicode
    assert type(t3.s_i_du) == unicode
    assert type(t3.s_i_ds) == unicode
    assert type(t3._properties['s_i_ds']) == ndb.StringProperty
    assert type(t3._properties['s_ni_du']) == ndb.StringProperty
    assert type(t3._properties['s_ni_ds']) == ndb.StringProperty
    assert type(t3._properties['s_i_nd']) == ndb.StringProperty
    assert type(t3._properties['s_i_du']) == ndb.StringProperty
    assert type(t3._properties['s_i_ds']) == ndb.StringProperty