Created
January 7, 2010 12:30
-
-
Save bebraw/271204 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
class PluginLoader: | |
def load(self, directory): | |
ret = [] | |
for plugin in directory.children: | |
plugin_file = plugin.find(name=plugin.name, type='py') | |
plugin_class = plugin_file.classes[plugin.name] | |
if not hasattr(plugin_class, 'matches'): | |
def matches(self, expression): | |
if isinstance(self.aliases, str): | |
return expression == self.aliases | |
return expression in self.aliases | |
plugin_class.matches = matches | |
plugin_instance = plugin_class() | |
ret.append(plugin_instance) | |
return ret |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
from mock import Mock | |
from placidity.plugin_loader import PluginLoader | |
class Alias: | |
aliases = 'foo' | |
class Matches: | |
def matches(self, expression): | |
return True | |
class MultipleAliases: | |
aliases = ('vars', 'variables') | |
class TestPluginLoader: | |
def setup_method(self, method): | |
plugin_dir = Mock() | |
alias_dir = self.create_plugin_dir('alias', Alias) | |
matches_dir = self.create_plugin_dir('matches', Matches) | |
multiplealiases_dir = self.create_plugin_dir('multiplealiases', | |
MultipleAliases) | |
plugin_dir.children = (alias_dir, matches_dir, | |
multiplealiases_dir) | |
plugin_loader = PluginLoader() | |
self.plugins = plugin_loader.load(plugin_dir) | |
def test_load_plugins(self): | |
classes = [Alias, Matches, MultipleAliases] | |
for plugin, klass in zip(self.plugins, classes): | |
assert isinstance(plugin, klass) | |
def test_alias(self): | |
alias = self.plugins[0] | |
assert alias.matches('foo') | |
assert not alias.matches('bar') | |
def test_matches(self): | |
matches = self.plugins[1] | |
assert matches.matches('bar') | |
assert matches.matches('foo') | |
def test_multiple_aliases(self): | |
multiple_aliases = self.plugins[2] | |
assert multiple_aliases.matches('vars') | |
assert multiple_aliases.matches('variables') | |
assert not multiple_aliases.matches('foobar') | |
def create_plugin_dir(self, plugin_name, plugin_class): | |
plugin_dir = Mock() | |
plugin_dir.name = plugin_name | |
plugin_dir.children = Mock() | |
plugin_file = self.create_plugin_file(plugin_name, plugin_class) | |
def find(name, type): | |
assert type == 'py' | |
if name is plugin_name: | |
return plugin_file | |
plugin_dir.find = find | |
return plugin_dir | |
def create_plugin_file(self, name, klass): | |
plugin_file = Mock() | |
plugin_file.classes = {name: klass, } | |
return plugin_file |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment