def setUp(self):
self.request = mock.Mock()
self.fn = mock.Mock(__name__="a_view")
self.request_manager = Manager()
self.request_manager.request_started(self.request)
self.bin = assets.Bin(manager=self.request_manager)
def __init__(
self,
config=None,
bin=None,
manager=None,
router=None,
jinja=None,
):
if config is None:
config = {}
if manager is None:
manager = Manager()
if bin is None:
bin = assets.Bin(manager=manager)
if router is None:
router = Router(mapper=SimpleMapper())
self._response_callbacks = defaultdict(list)
self.bin = bin
self.config = config
self.manager = manager
self.router = router
self.bind_bin(bin)
if jinja is not None:
self.bind_jinja_environment(jinja)
def setUp(self):
self.request = mock.Mock()
self.fn = mock.Mock(__name__="a_view")
self.request_manager = Manager()
self.request_manager.request_started(self.request)
self.bin = assets.Bin(manager=self.request_manager)
def setUp(self):
self.manager = Manager()
self.router = Router(mapper=SimpleMapper())
self.app = core.Application(manager=self.manager, router=self.router)
self.request = Request(url=URL(path=[u""]))
class TestAssetBin(TestCase):
def setUp(self):
self.request = mock.Mock()
self.fn = mock.Mock(__name__="a_view")
self.request_manager = Manager()
self.request_manager.request_started(self.request)
self.bin = assets.Bin(manager=self.request_manager)
def test_it_contains_assets(self):
self.assertNotIn("cheese", self.bin)
@self.bin.provides("cheese")
def make_cheese():
return "Gouda"
self.assertIn("cheese", self.bin)
def test_it_contains_globals(self):
self.assertNotIn("cheese", self.bin)
self.bin.globals["cheese"] = 12
self.assertIn("cheese", self.bin)
def test_it_provides_assets_to_things_that_need_them(self):
@self.bin.provides("iron")
def make_iron():
return 12
returned = self.bin.needs(["iron"])(self.fn)(self.request, 1, bar=3)
self.assertIs(returned, self.fn.return_value)
self.fn.assert_called_once_with(self.request, 1, bar=3, iron=12)
def test_it_provides_the_same_asset_instance_for_the_same_request(self):
fn = self.bin.needs(["sugar"])(self.fn)
sugar = mock.Mock()
self.bin.provides("sugar")(sugar)
fn(self.request)
fn(self.request)
self.assertEqual(sugar.call_count, 1)
def test_it_provides_a_new_asset_instance_for_new_requests(self):
fn = self.bin.needs(["sugar"])(self.fn)
sugar = mock.Mock()
self.bin.provides("sugar")(sugar)
fn(self.request)
new_request = mock.Mock()
self.request_manager.request_started(new_request)
fn(new_request)
self.assertEqual(sugar.call_count, 2)
def test_multiple_needs(self):
@self.bin.provides("iron")
def make_iron():
return 12
thing = mock.Mock()
@self.bin.provides("wine")
def make_wine():
return thing
self.bin.needs(["wine", "iron"])(self.fn)(self.request)
self.fn.assert_called_once_with(self.request, iron=12, wine=thing)
def test_globals_do_not_need_a_request(self):
"""
If a thing declares that it needs assets that are all global, we can
support calling it both with *and* without a request.
"""
self.bin.globals["iron"] = 12
self.bin.needs(["iron"])(self.fn)()
self.fn.assert_called_once_with(iron=12)
self.bin.needs(["iron"])(self.fn)(self.request)
self.fn.assert_called_with(self.request, iron=12)
def test_useful_exception_for_missing_request(self):
"""
A non-global that needs a request produces a useful exception if one
isn't provided.
"""
@self.bin.provides("iron")
def make_iron():
return 12
with self.assertRaises(TypeError) as e:
self.bin.needs(["iron"])(self.fn)()
self.assertEqual(
str(e.exception),
"The 'iron' asset needs a request!",
)
def test_it_provides_only_unprovided_assets(self):
"""
It should still be possible to pass in arguments if desired.
"""
@self.bin.provides("iron")
def make_iron():
return 12
self.bin.globals["cheese"] = 18
self.bin.globals["wine"] = 13
self.bin.needs(["wine", "iron", "cheese"])(self.fn)(
request=self.request,
iron=24,
wine=1,
)
self.fn.assert_called_once_with(
request=self.request,
cheese=18,
iron=24,
wine=1,
)
def test_it_provides_globals(self):
self.assertEqual(self.bin.globals, {})
important = self.bin.globals["important"] = mock.Mock()
self.bin.needs(["important"])(self.fn)(self.request)
self.fn.assert_called_once_with(self.request, important=important)
def test_direct_provision(self):
@self.bin.provides("iron")
def make_iron():
return 12
self.assertEqual(self.bin.provide("iron", request=self.request), 12)
def test_it_knows_its_assets(self):
self.bin.provides("milk")(mock.Mock())
self.bin.provides("honey")(mock.Mock())
self.bin.globals["gold"] = mock.Mock()
self.assertEqual(self.bin.assets, {"milk", "honey", "gold"})
def test_a_non_existent_asset_raises_an_exception_when_called(self):
fn = self.bin.needs(["iron"])(self.fn)
with self.assertRaises(assets.NoSuchAsset) as e:
fn(self.request)
self.assertEqual(e.exception.args, ("iron", ))
def test_assets_can_be_created_right_before_call_time(self):
"""
An asset provision can be done after declaring something needs it.
"""
fn = self.bin.needs(["cake"])(self.fn)
cake = mock.Mock()
self.bin.provides("cake")(cake)
fn(request=self.request)
self.fn.assert_called_once_with(request=self.request,
cake=cake.return_value)
def test_remove(self):
self.bin.provides("gold")(mock.Mock())
self.assertIn("gold", self.bin)
self.bin.remove("gold")
self.assertNotIn("gold", self.bin)
def test_remove_global(self):
self.bin.globals["silver"] = mock.Mock()
self.assertIn("silver", self.bin)
self.bin.remove("silver")
self.assertNotIn("silver", self.bin)
def test_quashing_an_existing_asset_raises_an_exception(self):
self.bin.provides("iron")(mock.Mock())
with self.assertRaises(assets.DuplicateAsset):
self.bin.provides("iron")(mock.Mock())
def test_quashing_an_existing_global_raises_an_exception(self):
self.bin.globals["iron"] = mock.Mock()
with self.assertRaises(assets.DuplicateAsset):
self.bin.provides("iron")(mock.Mock())
def test_providers_can_ask_for_the_request_when_called(self):
provider = mock.Mock()
self.bin.provides("iron", needs_request=True)(provider)
self.bin.needs(["iron"])(self.fn)(self.request)
provider.assert_called_once_with(self.request)
def test_update(self):
iron, wine = mock.Mock(), mock.Mock()
self.bin.provides("iron")(iron)
self.bin.provides("wine")(wine)
gold = mock.Mock()
bin = assets.Bin(self.request_manager, globals={"gold": gold})
self.bin.update(bin)
self.assertEqual(self.bin.assets, {"iron", "wine", "gold"})
def test_updating_bins_preserves_which_providers_need_the_request(self):
bin = assets.Bin(self.request_manager)
iron = mock.Mock()
bin.provides("iron", needs_request=True)(iron)
self.bin.update(bin)
self.bin.needs(["iron"])(self.fn)(self.request)
iron.assert_called_once_with(self.request)
class TestAssetBin(TestCase):
def setUp(self):
self.request = mock.Mock()
self.fn = mock.Mock(__name__="a_view")
self.request_manager = Manager()
self.request_manager.request_started(self.request)
self.bin = assets.Bin(manager=self.request_manager)
def test_it_contains_assets(self):
self.assertNotIn("cheese", self.bin)
@self.bin.provides("cheese")
def make_cheese():
return "Gouda"
self.assertIn("cheese", self.bin)
def test_it_contains_globals(self):
self.assertNotIn("cheese", self.bin)
self.bin.globals["cheese"] = 12
self.assertIn("cheese", self.bin)
def test_it_provides_assets_to_things_that_need_them(self):
@self.bin.provides("iron")
def make_iron():
return 12
returned = self.bin.needs(["iron"])(self.fn)(self.request, 1, bar=3)
self.assertIs(returned, self.fn.return_value)
self.fn.assert_called_once_with(self.request, 1, bar=3, iron=12)
def test_it_provides_the_same_asset_instance_for_the_same_request(self):
fn = self.bin.needs(["sugar"])(self.fn)
sugar = mock.Mock()
self.bin.provides("sugar")(sugar)
fn(self.request)
fn(self.request)
self.assertEqual(sugar.call_count, 1)
def test_it_provides_a_new_asset_instance_for_new_requests(self):
fn = self.bin.needs(["sugar"])(self.fn)
sugar = mock.Mock()
self.bin.provides("sugar")(sugar)
fn(self.request)
new_request = mock.Mock()
self.request_manager.request_started(new_request)
fn(new_request)
self.assertEqual(sugar.call_count, 2)
def test_multiple_needs(self):
@self.bin.provides("iron")
def make_iron():
return 12
thing = mock.Mock()
@self.bin.provides("wine")
def make_wine():
return thing
self.bin.needs(["wine", "iron"])(self.fn)(self.request)
self.fn.assert_called_once_with(self.request, iron=12, wine=thing)
def test_globals_do_not_need_a_request(self):
"""
If a thing declares that it needs assets that are all global, we can
support calling it both with *and* without a request.
"""
self.bin.globals["iron"] = 12
self.bin.needs(["iron"])(self.fn)()
self.fn.assert_called_once_with(iron=12)
self.bin.needs(["iron"])(self.fn)(self.request)
self.fn.assert_called_with(self.request, iron=12)
def test_useful_exception_for_missing_request(self):
"""
A non-global that needs a request produces a useful exception if one
isn't provided.
"""
@self.bin.provides("iron")
def make_iron():
return 12
with self.assertRaises(TypeError) as e:
self.bin.needs(["iron"])(self.fn)()
self.assertEqual(
str(e.exception),
"The 'iron' asset needs a request!",
)
def test_it_provides_only_unprovided_assets(self):
"""
It should still be possible to pass in arguments if desired.
"""
@self.bin.provides("iron")
def make_iron():
return 12
self.bin.globals["cheese"] = 18
self.bin.globals["wine"] = 13
self.bin.needs(["wine", "iron", "cheese"])(self.fn)(
request=self.request, iron=24, wine=1,
)
self.fn.assert_called_once_with(
request=self.request, cheese=18, iron=24, wine=1,
)
def test_it_provides_globals(self):
self.assertEqual(self.bin.globals, {})
important = self.bin.globals["important"] = mock.Mock()
self.bin.needs(["important"])(self.fn)(self.request)
self.fn.assert_called_once_with(self.request, important=important)
def test_direct_provision(self):
@self.bin.provides("iron")
def make_iron():
return 12
self.assertEqual(self.bin.provide("iron", request=self.request), 12)
def test_it_knows_its_assets(self):
self.bin.provides("milk")(mock.Mock())
self.bin.provides("honey")(mock.Mock())
self.bin.globals["gold"] = mock.Mock()
self.assertEqual(self.bin.assets, {"milk", "honey", "gold"})
def test_a_non_existent_asset_raises_an_exception_when_called(self):
fn = self.bin.needs(["iron"])(self.fn)
with self.assertRaises(assets.NoSuchAsset) as e:
fn(self.request)
self.assertEqual(e.exception.args, ("iron",))
def test_assets_can_be_created_right_before_call_time(self):
"""
An asset provision can be done after declaring something needs it.
"""
fn = self.bin.needs(["cake"])(self.fn)
cake = mock.Mock()
self.bin.provides("cake")(cake)
fn(request=self.request)
self.fn.assert_called_once_with(
request=self.request, cake=cake.return_value
)
def test_remove(self):
self.bin.provides("gold")(mock.Mock())
self.assertIn("gold", self.bin)
self.bin.remove("gold")
self.assertNotIn("gold", self.bin)
def test_remove_global(self):
self.bin.globals["silver"] = mock.Mock()
self.assertIn("silver", self.bin)
self.bin.remove("silver")
self.assertNotIn("silver", self.bin)
def test_quashing_an_existing_asset_raises_an_exception(self):
self.bin.provides("iron")(mock.Mock())
with self.assertRaises(assets.DuplicateAsset):
self.bin.provides("iron")(mock.Mock())
def test_quashing_an_existing_global_raises_an_exception(self):
self.bin.globals["iron"] = mock.Mock()
with self.assertRaises(assets.DuplicateAsset):
self.bin.provides("iron")(mock.Mock())
def test_providers_can_ask_for_the_request_when_called(self):
provider = mock.Mock()
self.bin.provides("iron", needs_request=True)(provider)
self.bin.needs(["iron"])(self.fn)(self.request)
provider.assert_called_once_with(self.request)
def test_update(self):
iron, wine = mock.Mock(), mock.Mock()
self.bin.provides("iron")(iron)
self.bin.provides("wine")(wine)
gold = mock.Mock()
bin = assets.Bin(self.request_manager, globals={"gold" : gold})
self.bin.update(bin)
self.assertEqual(self.bin.assets, {"iron", "wine", "gold"})
def test_updating_bins_preserves_which_providers_need_the_request(self):
bin = assets.Bin(self.request_manager)
iron = mock.Mock()
bin.provides("iron", needs_request=True)(iron)
self.bin.update(bin)
self.bin.needs(["iron"])(self.fn)(self.request)
iron.assert_called_once_with(self.request)