I have this model:
from django.db import models
class Subjekt(models.Model):
"""
>>> osoba = Osoba(meno = "Ludmila", priezvisko = "Safarova")
>>> osoba
<Osoba: Safarova Ludmila>
>>> subjekt = Subjekt(nazov = "Zaba s.r.o.", osoba = osoba)
>>> subjekt
<Subjekt: Zaba s.r.o. - Safarova Ludmila>
>>> subjekt.osoba.save()
>>> subjekt.osoba
<Osoba: Safarova Ludmila>
>>> subjekt.osoba.id
1
"""
class Meta:
verbose_name = "subjekt"
verbose_name_plural = "subjekty"
nazov = models.CharField(
unique = True,
max_length = 60,
verbose_name = "nazov",
)
osoba = models.OneToOneField(
'Osoba',
verbose_name = "osoba",
related_name = 'subjekt'
)
def __unicode__(self):
return "%s - %s" % (self.nazov, self.osoba)
class Osoba(models.Model):
"""
>>> Osoba(meno = "Ludmila", priezvisko = "Safarova")
<Osoba: Safarova Ludmila>
"""
class Meta:
verbose_name = "osoba"
verbose_name_plural = "osoby"
meno = models.CharField(
max_length = 60,
verbose_name = "meno",
)
priezvisko = models.CharField(
max_length = 60,
verbose_name = "priezvisko",
)
def __unicode__(self):
return "%s %s" % (self.priezvisko, self.meno)
So far - the manage.py test with SQLite is succesful - the result is
OK. But after I append this line to the test:
>>> subjekt.save()
so the whole test is:
class Subjekt(models.Model):
"""
>>> osoba = Osoba(meno = "Ludmila", priezvisko = "Safarova")
>>> osoba
<Osoba: Safarova Ludmila>
>>> subjekt = Subjekt(nazov = "Zaba s.r.o.", osoba = osoba)
>>> subjekt
<Subjekt: Zaba s.r.o. - Safarova Ludmila>
>>> subjekt.osoba.save()
>>> subjekt.osoba
<Osoba: Safarova Ludmila>
>>> subjekt.osoba.id
1
>>> subjekt.save()
"""
I got this error message:
FAIL: Doctest: konres.subjekty.models.Subjekt
----------------------------------------------------------------------
Traceback (most recent call last):
File "/Library/Python/2.5/site-packages/django/test/_doctest.py",
line 2180, in runTest
raise self.failureException(self.format_failure(new.getvalue
()).encode('UTF-8'))
AssertionError: Failed doctest test for konres.subjekty.models.Subjekt
File "/Users/iM1/Sites/konres/../konres/subjekty/models.py", line 3,
in Subjekt
----------------------------------------------------------------------
File "/Users/iM1/Sites/konres/../konres/subjekty/models.py", line 16,
in konres.subjekty.models.Subjekt
Failed example:
subjekt.save()
Exception raised:
Traceback (most recent call last):
File "/Library/Python/2.5/site-packages/django/test/
_doctest.py", line 1267, in __run
compileflags, 1) in test.globs
File "<doctest konres.subjekty.models.Subjekt[7]>", line 1, in
<module>
subjekt.save()
File "/Library/Python/2.5/site-packages/django/db/models/
base.py", line 410, in save
self.save_base(force_insert=force_insert,
force_update=force_update)
File "/Library/Python/2.5/site-packages/django/db/models/
base.py", line 495, in save_base
result = manager._insert(values, return_id=update_pk)
File "/Library/Python/2.5/site-packages/django/db/models/
manager.py", line 177, in _insert
return insert_query(self.model, values, **kwargs)
File "/Library/Python/2.5/site-packages/django/db/models/
query.py", line 1087, in insert_query
return query.execute_sql(return_id)
File "/Library/Python/2.5/site-packages/django/db/models/sql/
subqueries.py", line 320, in execute_sql
cursor = super(InsertQuery, self).execute_sql(None)
File "/Library/Python/2.5/site-packages/django/db/models/sql/
query.py", line 2369, in execute_sql
cursor.execute(sql, params)
File "/Library/Python/2.5/site-packages/django/db/backends/
sqlite3/base.py", line 193, in execute
return Database.Cursor.execute(self, query, params)
IntegrityError: subjekty_subjekt.osoba_id may not be NULL
And I don't know why. The model instance osoba is saved and has an id
1. The ugly doctest lies!
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