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""" Exmples of usage with tests.
Tests in this file represent examples taken from JSON-RPC specification.
http://www.jsonrpc.org/specification#examples
"""
import sys
import json
from ..manager import JSONRPCResponseManager
from ..jsonrpc2 import JSONRPC20Request, JSONRPC20BatchRequest
if sys.version_info < (2, 7):
import unittest2 as unittest
else:
import unittest
def isjsonequal(json1, json2):
return json.loads(json1) == json.loads(json2)
class TestJSONRPCExamples(unittest.TestCase):
def setUp(self):
self.dispatcher = {
"subtract": lambda a, b: a - b,
}
def test_rpc_call_with_positional_parameters(self):
req = '{"jsonrpc": "2.0", "method": "subtract", "params": [42, 23], "id": 1}' # noqa
response = JSONRPCResponseManager.handle(req, self.dispatcher)
self.assertTrue(isjsonequal(
response.json,
'{"jsonrpc": "2.0", "result": 19, "id": 1}'
))
req = '{"jsonrpc": "2.0", "method": "subtract", "params": [23, 42], "id": 2}' # noqa
response = JSONRPCResponseManager.handle(req, self.dispatcher)
self.assertTrue(isjsonequal(
response.json,
'{"jsonrpc": "2.0", "result": -19, "id": 2}'
))
def test_rpc_call_with_named_parameters(self):
def subtract(minuend=None, subtrahend=None):
return minuend - subtrahend
dispatcher = {
"subtract": subtract,
"sum": lambda *args: sum(args),
"get_data": lambda: ["hello", 5],
}
req = '{"jsonrpc": "2.0", "method": "subtract", "params": {"subtrahend": 23, "minuend": 42}, "id": 3}' # noqa
response = JSONRPCResponseManager.handle(req, dispatcher)
self.assertTrue(isjsonequal(
response.json,
'{"jsonrpc": "2.0", "result": 19, "id": 3}'
))
req = '{"jsonrpc": "2.0", "method": "subtract", "params": {"minuend": 42, "subtrahend": 23}, "id": 4}' # noqa
response = JSONRPCResponseManager.handle(req, dispatcher)
self.assertTrue(isjsonequal(
response.json,
'{"jsonrpc": "2.0", "result": 19, "id": 4}',
))
def test_notification(self):
req = '{"jsonrpc": "2.0", "method": "update", "params": [1,2,3,4,5]}'
response = JSONRPCResponseManager.handle(req, self.dispatcher)
self.assertEqual(response, None)
req = '{"jsonrpc": "2.0", "method": "foobar"}'
response = JSONRPCResponseManager.handle(req, self.dispatcher)
self.assertEqual(response, None)
def test_rpc_call_of_non_existent_method(self):
req = '{"jsonrpc": "2.0", "method": "foobar", "id": "1"}'
response = JSONRPCResponseManager.handle(req, self.dispatcher)
self.assertTrue(isjsonequal(
response.json,
'{"jsonrpc": "2.0", "error": {"code": -32601, "message": "Method not found"}, "id": "1"}' # noqa
))
def test_rpc_call_with_invalid_json(self):
req = '{"jsonrpc": "2.0", "method": "foobar, "params": "bar", "baz]'
response = JSONRPCResponseManager.handle(req, self.dispatcher)
self.assertTrue(isjsonequal(
response.json,
'{"jsonrpc": "2.0", "error": {"code": -32700, "message": "Parse error"}, "id": null}' # noqa
))
def test_rpc_call_with_invalid_request_object(self):
req = '{"jsonrpc": "2.0", "method": 1, "params": "bar"}'
response = JSONRPCResponseManager.handle(req, self.dispatcher)
self.assertTrue(isjsonequal(
response.json,
'{"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid Request"}, "id": null}' # noqa
))
def test_rpc_call_batch_invalid_json(self):
req = """[
{"jsonrpc": "2.0", "method": "sum", "params": [1,2,4], "id": "1"},
{"jsonrpc": "2.0", "method"
]"""
response = JSONRPCResponseManager.handle(req, self.dispatcher)
self.assertTrue(isjsonequal(
response.json,
'{"jsonrpc": "2.0", "error": {"code": -32700, "message": "Parse error"}, "id": null}' # noqa
))
def test_rpc_call_with_an_empty_array(self):
req = '[]'
response = JSONRPCResponseManager.handle(req, self.dispatcher)
self.assertTrue(isjsonequal(
response.json,
'{"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid Request"}, "id": null}' # noqa
))
def test_rpc_call_with_rpc_call_with_an_invalid_batch_but_not_empty(self):
req = '[1]'
response = JSONRPCResponseManager.handle(req, self.dispatcher)
self.assertTrue(isjsonequal(
response.json,
'{"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid Request"}, "id": null}' # noqa
))
def test_rpc_call_with_invalid_batch(self):
req = '[1,2,3]'
response = JSONRPCResponseManager.handle(req, self.dispatcher)
self.assertTrue(
response,
json.loads("""[
{"jsonrpc": "2.0", "error": {"code": -32600,
"message": "Invalid Request"}, "id": null},
{"jsonrpc": "2.0", "error": {"code": -32600,
"message": "Invalid Request"}, "id": null},
{"jsonrpc": "2.0", "error": {"code": -32600,
"message": "Invalid Request"}, "id": null}
]""")
)
def test_rpc_call_batch(self):
req = """[
{"jsonrpc": "2.0", "method": "sum", "params": [1,2,4], "id": "1"},
{"jsonrpc": "2.0", "method": "notify_hello", "params": [7]},
{"jsonrpc": "2.0", "method": "subtract",
"params": [42,23], "id": "2"},
{"foo": "boo"},
{"jsonrpc": "2.0", "method": "foo.get",
"params": {"name": "myself"}, "id": "5"},
{"jsonrpc": "2.0", "method": "get_data", "id": "9"}
]"""
response = JSONRPCResponseManager.handle(req, self.dispatcher)
self.assertTrue(
response,
json.loads("""[
{"jsonrpc": "2.0", "result": 7, "id": "1"},
{"jsonrpc": "2.0", "result": 19, "id": "2"},
{"jsonrpc": "2.0", "error": {"code": -32600,
"message": "Invalid Request"}, "id": null},
{"jsonrpc": "2.0", "error": {"code": -32601,
"message": "Method not found"}, "id": "5"},
{"jsonrpc": "2.0", "result": ["hello", 5], "id": "9"}
]""")
)
def test_rpc_call_batch_all_notifications(self):
req = """[
{"jsonrpc": "2.0", "method": "notify_sum", "params": [1,2,4]},
{"jsonrpc": "2.0", "method": "notify_hello", "params": [7]}
]"""
response = JSONRPCResponseManager.handle(req, self.dispatcher)
self.assertEqual(response, None)
def test_rpc_call_response_request(self):
req = '{"jsonrpc": "2.0", "method": "subtract", "params": [42, 23], "id": 1}' # noqa
response = JSONRPCResponseManager.handle(req, self.dispatcher)
self.assertTrue(isinstance(
response.request,
JSONRPC20Request
))
self.assertTrue(isjsonequal(
response.request.json,
req
))
def test_rpc_call_response_request_batch(self):
req = """[
{"jsonrpc": "2.0", "method": "sum", "params": [1,2,4], "id": "1"},
{"jsonrpc": "2.0", "method": "notify_hello", "params": [7]},
{"jsonrpc": "2.0", "method": "subtract",
"params": [42,23], "id": "2"},
{"jsonrpc": "2.0", "method": "foo.get",
"params": {"name": "myself"}, "id": "5"},
{"jsonrpc": "2.0", "method": "get_data", "id": "9"}
]"""
response = JSONRPCResponseManager.handle(req, self.dispatcher)
self.assertTrue(isinstance(
response.request,
JSONRPC20BatchRequest
))
self.assertTrue(isjsonequal(
response.request.json,
req
))
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