def test_failing_import2(self):
self.write_content("plugin.json",
'{"service": "weaveenv.plugins.tmp"}')
with pytest.raises(PluginLoadError) as ex:
load_plugin_json(self.plugin_dir)
assert ex.value.extra == "Bad service specification in plugin.json"
def test_invalid_json(self):
self.write_content("plugin.json", "hello word.")
with pytest.raises(PluginLoadError) as ex:
load_plugin_json(self.plugin_dir)
assert ex.value.extra == "Error parsing plugin.json."
def test_not_base_plugin(self):
# This just tries to import from weaveenv
self.write_content(
"plugin.json", '{"service": "weaveenv.plugins.VirtualEnvManager"}')
with pytest.raises(PluginLoadError) as ex:
load_plugin_json(self.plugin_dir)
assert ex.value.extra == "Service must inherit BasePlugin."
def test_bad_dependency(self):
spec = {
"service": "plugin.main.TestPlugin",
"config": {
"hello": "world"
},
"start_timeout": 10,
"deps": [1, 2, 4],
"required_rpc_classes": ["http", "bad"],
}
self.write_content("plugin.json", json.dumps(spec))
with pytest.raises(PluginLoadError, match=".*dependencies.*"):
load_plugin_json(self.plugin_dir, load_service=False)
def handle_weave_launch():
params = json.loads(sys.stdin.readline().strip())
plugin_dir = params["plugin_dir"]
os.chdir(plugin_dir)
sys.path.append(plugin_dir)
if params.get("venv_dir"):
venv = VirtualEnvManager(params["venv_dir"])
venv.activate()
plugin_info = load_plugin_json(plugin_dir)
if issubclass(plugin_info["service_cls"], MessagingEnabled):
conn = WeaveConnection.discover()
conn.connect()
params["conn"] = conn
app = plugin_info["service_cls"](**params)
signal.signal(signal.SIGTERM, lambda x, y: app.on_service_stop())
signal.signal(signal.SIGINT, lambda x, y: app.on_service_stop())
app.before_service_start()
app.on_service_start()
def test_bad_exported_rpc(self):
spec = {
"service": "plugin.main.TestPlugin",
"config": {
"hello": "world"
},
"start_timeout": 10,
"deps": [1, 2, 4],
"exported_rpc_classes": {
"http": "HTTP",
"bad": ".."
}
}
self.write_content("plugin.json", json.dumps(spec))
with pytest.raises(PluginLoadError, match=".*rpc_class.*"):
load_plugin_json(self.plugin_dir, load_service=False)
def test_good_plugin_load(self):
spec = {
"service": "plugin.main.TestPlugin",
"config": {
"hello": "world"
},
"start_timeout": 10,
"deps": [1, 2, 4]
}
main_py = """
from weavelib.services import BasePlugin
class TestPlugin(BasePlugin):
pass
"""
package_dir = os.path.join(self.plugin_dir, "plugin")
main_py_path = os.path.join(self.plugin_dir, "plugin", "main.py")
os.makedirs(self.plugin_dir + "/plugin")
self.write_content("plugin.json", json.dumps(spec))
self.write_content(main_py_path, textwrap.dedent(main_py))
expected = {
"deps": [1, 2, 4],
"package_path": "plugin.main.TestPlugin",
"config": {
"hello": "world"
},
"start_timeout": 10,
"service_name": "TestPlugin",
"exported_rpc_classes": {},
"required_rpc_classes": [],
}
plugin_info = load_plugin_json(self.plugin_dir)
plugin_class = plugin_info.pop("service_cls")
assert expected == plugin_info
assert plugin_class.__name__ == "TestPlugin"
def test_failing_import(self):
self.write_content("plugin.json", '{"service": "a.b.c"}')
with pytest.raises(PluginLoadError) as ex:
load_plugin_json(self.plugin_dir)
assert ex.value.extra == "Failed to import dependencies."
def test_bad_service_specification(self):
self.write_content("plugin.json", '{"service": "hello world"}')
with pytest.raises(PluginLoadError) as ex:
load_plugin_json(self.plugin_dir)
assert ex.value.extra == "Bad 'service' specification in plugin.json."
def test_no_service_field(self):
self.write_content("plugin.json", '{"hello": "world"}')
with pytest.raises(PluginLoadError) as ex:
load_plugin_json(self.plugin_dir)
assert ex.value.extra == "Required field not found in plugin.json."
def test_no_plugin_json(self):
with pytest.raises(PluginLoadError) as ex:
load_plugin_json(self.plugin_dir)
assert ex.value.extra == "Error opening plugin.json."