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Diffstat (limited to 'docs/subfactory.rst')
| -rw-r--r-- | docs/subfactory.rst | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/docs/subfactory.rst b/docs/subfactory.rst index 1815312..f8642f3 100644 --- a/docs/subfactory.rst +++ b/docs/subfactory.rst @@ -54,3 +54,28 @@ Fields of the SubFactory can also be overridden when instantiating the external <User: Henry Jones> >>> c.owner.email henry.jones@example.org + + +Circular dependencies +--------------------- + +In order to solve circular dependency issues, Factory Boy provides the :class:`~factory.CircularSubFactory` class. + +This class expects a module name and a factory name to import from that module; the given module will be imported +(as an absolute import) when the factory is first accessed:: + + # foo/factories.py + import factory + + from bar import factories + + class FooFactory(factory.Factory): + bar = factory.SubFactory(factories.BarFactory) + + + # bar/factories.py + import factory + + class BarFactory(factory.Factory): + # Avoid circular import + foo = factory.CircularSubFactory('foo.factories', 'FooFactory', bar=None) |