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Diffstat (limited to 'factory/helpers.py')
-rw-r--r-- | factory/helpers.py | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/factory/helpers.py b/factory/helpers.py new file mode 100644 index 0000000..8f0d161 --- /dev/null +++ b/factory/helpers.py @@ -0,0 +1,123 @@ +# -*- coding: utf-8 -*- +# Copyright (c) 2010 Mark Sandstrom +# Copyright (c) 2011-2013 Raphaƫl Barrois +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +# THE SOFTWARE. + + +"""Simple wrappers around Factory class definition.""" + + +from . import base +from . import declarations + + +def make_factory(klass, **kwargs): + """Create a new, simple factory for the given class.""" + factory_name = '%sFactory' % klass.__name__ + kwargs[base.FACTORY_CLASS_DECLARATION] = klass + base_class = kwargs.pop('FACTORY_CLASS', base.Factory) + + factory_class = type(base.Factory).__new__( + type(base.Factory), factory_name, (base_class,), kwargs) + factory_class.__name__ = '%sFactory' % klass.__name__ + factory_class.__doc__ = 'Auto-generated factory for class %s' % klass + return factory_class + + +def build(klass, **kwargs): + """Create a factory for the given class, and build an instance.""" + return make_factory(klass, **kwargs).build() + + +def build_batch(klass, size, **kwargs): + """Create a factory for the given class, and build a batch of instances.""" + return make_factory(klass, **kwargs).build_batch(size) + + +def create(klass, **kwargs): + """Create a factory for the given class, and create an instance.""" + return make_factory(klass, **kwargs).create() + + +def create_batch(klass, size, **kwargs): + """Create a factory for the given class, and create a batch of instances.""" + return make_factory(klass, **kwargs).create_batch(size) + + +def stub(klass, **kwargs): + """Create a factory for the given class, and stub an instance.""" + return make_factory(klass, **kwargs).stub() + + +def stub_batch(klass, size, **kwargs): + """Create a factory for the given class, and stub a batch of instances.""" + return make_factory(klass, **kwargs).stub_batch(size) + + +def generate(klass, strategy, **kwargs): + """Create a factory for the given class, and generate an instance.""" + return make_factory(klass, **kwargs).generate(strategy) + + +def generate_batch(klass, strategy, size, **kwargs): + """Create a factory for the given class, and generate instances.""" + return make_factory(klass, **kwargs).generate_batch(strategy, size) + + +# We're reusing 'create' as a keyword. +# pylint: disable=W0621 + + +def simple_generate(klass, create, **kwargs): + """Create a factory for the given class, and simple_generate an instance.""" + return make_factory(klass, **kwargs).simple_generate(create) + + +def simple_generate_batch(klass, create, size, **kwargs): + """Create a factory for the given class, and simple_generate instances.""" + return make_factory(klass, **kwargs).simple_generate_batch(create, size) + + +# pylint: enable=W0621 + + +def lazy_attribute(func): + return declarations.LazyAttribute(func) + + +def iterator(func): + """Turn a generator function into an iterator attribute.""" + return declarations.Iterator(func()) + + +def sequence(func): + return declarations.Sequence(func) + + +def lazy_attribute_sequence(func): + return declarations.LazyAttributeSequence(func) + + +def container_attribute(func): + return declarations.ContainerAttribute(func, strict=False) + + +def post_generation(fun): + return declarations.PostGeneration(fun) |