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| -rw-r--r-- | README.rst | 35 |
1 files changed, 35 insertions, 0 deletions
@@ -166,6 +166,14 @@ Sequences can be combined with lazy attributes:: UserFactory().email # => mark+0@example.com +If you wish to use a custom method to set the initial ID for a sequence, you can override the ``_setup_next_sequence`` class method:: + + class MyFactory(factory.Factory): + + @classmethod + def _setup_next_sequence(cls): + return cls.FACTORY_FOR.objects.values_list('id').order_by('-id')[0] + 1 + Customizing creation -------------------- @@ -183,3 +191,30 @@ Factory._prepare method:: if create: user.save() return user + +Subfactories +------------ + +If one of your factories has a field which is another factory, you can declare it as a ``SubFactory``. This allows to define attributes of that field when calling +the global factory, using a simple syntax : ``field__attr=42`` will set the attribute ``attr`` of the ``SubFactory`` defined in ``field`` to 42:: + + class InnerFactory(factory.Factory): + foo = 'foo' + bar = factory.LazyAttribute(lambda o: foo * 2) + + class ExternalFactory(factory.Factory): + inner = factory.SubFactory(InnerFactory, foo='bar') + + >>> e = ExternalFactory() + >>> e.foo + 'bar' + >>> e.bar + 'barbar' + + >>> e2 : ExternalFactory(inner__bar='baz') + >>> e2.foo + 'bar' + >>> e2.bar + 'baz' + + |