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import sys
from pluginbase import get_plugin_source
def test_basic_plugin(source, dummy_internal_name):
# When the source is active the import gives us a module
with source:
from dummy.plugins import hello
# Which because of a stable identifier has a predictable name.
assert hello.__name__ == dummy_internal_name + '.hello'
# And can continue to import from itself.
assert hello.import_self() is hello
# On the other hand without a source will fall flat on the floor.
try:
from dummy.plugins import hello
except RuntimeError:
pass
else:
assert False, 'Expected a runtime error but managed to ' \
'import hello (%s)' % hello
def test_fetching_plugin_source(source):
# Finding the plugin source outside of a plugin and without a with
# block of a plugin source returns None.
assert get_plugin_source() is None
# Inside a source block we can find the source through mere calling.
with source:
assert get_plugin_source() is source
# A module can always find its own source as well (the hello module
# calls get_plugin_source() itself).
with source:
from dummy.plugins import hello
assert hello.get_plugin_source() is source
# Last but not least the plugin source can be found by module names
# (in a plugin source block by the import name and in any case by
# the internal name)
with source:
assert get_plugin_source('dummy.plugins.hello') is source
assert get_plugin_source(hello.__name__) is source
# As well as by module object.
assert get_plugin_source(hello) is source
def test_cleanup(base):
new_source = base.make_plugin_source(searchpath=['./plugins'])
mod_name = new_source.mod.__name__
assert sys.modules.get(mod_name) is new_source.mod
with new_source:
from dummy.plugins import hello
new_source = None
assert sys.modules.get(mod_name) is None
assert hello.import_self is None
def test_persist(base):
new_source = base.make_plugin_source(searchpath=['./plugins'],
persist=True)
mod_name = new_source.mod.__name__
assert sys.modules.get(mod_name) is new_source.mod
with new_source:
from dummy.plugins import hello
new_source = None
assert sys.modules.get(mod_name) is not None
assert hello.import_self is not None
sys.modules[mod_name].__pluginbase_state__.source.cleanup()
assert sys.modules.get(mod_name) is None
assert hello.import_self is None
def test_list_plugins(source):
plugins = source.list_plugins()
hello_plugins = [x for x in plugins if x.startswith('hello')]
assert hello_plugins == ['hello', 'hello2']
def test_load_plugin(source):
hello = source.load_plugin('hello')
assert hello.demo_func() == 42
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