Fix RPC failure testing

Make sure that RPC tests are actually checking failures correctly by:

- Catching JSON RPC exceptions and verifying the error codes and messages.
- Failing the test case if the JSON RPC exception isn't raised.
This commit is contained in:
John Newbery 2017-02-07 09:56:53 -05:00
parent 729de15b63
commit 9db8eecac1
2 changed files with 21 additions and 4 deletions

View File

@ -37,7 +37,7 @@ class NamedArgumentTest(BitcoinTestFramework):
h = node.help(command='getinfo') h = node.help(command='getinfo')
assert(h.startswith('getinfo\n')) assert(h.startswith('getinfo\n'))
assert_raises_jsonrpc(-8, node.help, random='getinfo') assert_raises_jsonrpc(-8, 'Unknown named parameter', node.help, random='getinfo')
h = node.getblockhash(height=0) h = node.getblockhash(height=0)
node.getblock(blockhash=h) node.getblock(blockhash=h)

View File

@ -550,13 +550,30 @@ def assert_raises_message(exc, message, fun, *args, **kwds):
else: else:
raise AssertionError("No exception raised") raise AssertionError("No exception raised")
def assert_raises_jsonrpc(code, fun, *args, **kwds): def assert_raises_jsonrpc(code, message, fun, *args, **kwds):
'''Check for specific JSONRPC exception code''' """Run an RPC and verify that a specific JSONRPC exception code and message is raised.
Calls function `fun` with arguments `args` and `kwds`. Catches a JSONRPCException
and verifies that the error code and message are as expected. Throws AssertionError if
no JSONRPCException was returned or if the error code/message are not as expected.
Args:
code (int), optional: the error code returned by the RPC call (defined
in src/rpc/protocol.h). Set to None if checking the error code is not required.
message (string), optional: [a substring of] the error string returned by the
RPC call. Set to None if checking the error string is not required
fun (function): the function to call. This should be the name of an RPC.
args*: positional arguments for the function.
kwds**: named arguments for the function.
"""
try: try:
fun(*args, **kwds) fun(*args, **kwds)
except JSONRPCException as e: except JSONRPCException as e:
if e.error["code"] != code: # JSONRPCException was thrown as expected. Check the code and message values are correct.
if (code is not None) and (code != e.error["code"]):
raise AssertionError("Unexpected JSONRPC error code %i" % e.error["code"]) raise AssertionError("Unexpected JSONRPC error code %i" % e.error["code"])
if (message is not None) and (message not in e.error['message']):
raise AssertionError("Expected substring not found:"+e.error['message'])
except Exception as e: except Exception as e:
raise AssertionError("Unexpected exception raised: "+type(e).__name__) raise AssertionError("Unexpected exception raised: "+type(e).__name__)
else: else: