Mini Shell

import unittest

from supervisor.tests.base import DummySupervisor
from supervisor.tests.base import DummyRequest
from supervisor.tests.base import DummySupervisorRPCNamespace

from supervisor.compat import xmlrpclib
from supervisor.compat import httplib

class GetFaultDescriptionTests(unittest.TestCase):
    def test_returns_description_for_known_fault(self):
        from supervisor import xmlrpc
        desc = xmlrpc.getFaultDescription(xmlrpc.Faults.SHUTDOWN_STATE)
        self.assertEqual(desc, 'SHUTDOWN_STATE')

    def test_returns_unknown_for_unknown_fault(self):
        from supervisor import xmlrpc
        desc = xmlrpc.getFaultDescription(999999)
        self.assertEqual(desc, 'UNKNOWN')

class RPCErrorTests(unittest.TestCase):
    def _getTargetClass(self):
        from supervisor.xmlrpc import RPCError
        return RPCError

    def _makeOne(self, code, extra=None):
        return self._getTargetClass()(code, extra)

    def test_sets_text_with_fault_name_only(self):
        from supervisor import xmlrpc
        e = self._makeOne(xmlrpc.Faults.FAILED)
        self.assertEqual(e.text, 'FAILED')

    def test_sets_text_with_fault_name_and_extra(self):
        from supervisor import xmlrpc
        e = self._makeOne(xmlrpc.Faults.FAILED, 'oops')
        self.assertEqual(e.text, 'FAILED: oops')

    def test___str___shows_code_and_text(self):
        from supervisor import xmlrpc
        e = self._makeOne(xmlrpc.Faults.NO_FILE, '/nonexistent')
        self.assertEqual(str(e),
            "code=%r, text='NO_FILE: /nonexistent'" % xmlrpc.Faults.NO_FILE
            )

class XMLRPCMarshallingTests(unittest.TestCase):
    def test_xmlrpc_marshal(self):
        from supervisor import xmlrpc
        data = xmlrpc.xmlrpc_marshal(1)
        self.assertEqual(data, xmlrpclib.dumps((1,), methodresponse=True))
        fault = xmlrpclib.Fault(1, 'foo')
        data = xmlrpc.xmlrpc_marshal(fault)
        self.assertEqual(data, xmlrpclib.dumps(fault))

class XMLRPCHandlerTests(unittest.TestCase):
    def _getTargetClass(self):
        from supervisor.xmlrpc import supervisor_xmlrpc_handler
        return supervisor_xmlrpc_handler

    def _makeOne(self, supervisord, subinterfaces):
        return self._getTargetClass()(supervisord, subinterfaces)

    def test_ctor(self):
        supervisor = DummySupervisor()
        subinterfaces = [('supervisor', DummySupervisorRPCNamespace())]
        handler = self._makeOne(supervisor, subinterfaces)
        self.assertEqual(handler.supervisord, supervisor)
        from supervisor.xmlrpc import RootRPCInterface
        self.assertEqual(handler.rpcinterface.__class__, RootRPCInterface)

    def test_match(self):
        class DummyRequest2:
            def __init__(self, uri):
                self.uri = uri
        supervisor = DummySupervisor()
        subinterfaces = [('supervisor', DummySupervisorRPCNamespace())]
        handler = self._makeOne(supervisor, subinterfaces)
        self.assertEqual(handler.match(DummyRequest2('/RPC2')), True)
        self.assertEqual(handler.match(DummyRequest2('/nope')), False)

    def test_continue_request_nosuchmethod(self):
        supervisor = DummySupervisor()
        subinterfaces = [('supervisor', DummySupervisorRPCNamespace())]
        handler = self._makeOne(supervisor, subinterfaces)
        data = xmlrpclib.dumps(('a', 'b'), 'supervisor.noSuchMethod')
        request = DummyRequest('/what/ever', None, None, None)
        handler.continue_request(data, request)
        logdata = supervisor.options.logger.data
        self.assertEqual(len(logdata), 2)
        self.assertEqual(logdata[-2],
                         'XML-RPC method called: supervisor.noSuchMethod()')
        self.assertEqual(logdata[-1],
           ('XML-RPC method supervisor.noSuchMethod() returned fault: '
            '[1] UNKNOWN_METHOD'))
        self.assertEqual(len(request.producers), 1)
        xml_response = request.producers[0]
        self.assertRaises(xmlrpclib.Fault, xmlrpclib.loads, xml_response)

    def test_continue_request_methodsuccess(self):
        supervisor = DummySupervisor()
        subinterfaces = [('supervisor', DummySupervisorRPCNamespace())]
        handler = self._makeOne(supervisor, subinterfaces)
        data = xmlrpclib.dumps((), 'supervisor.getAPIVersion')
        request = DummyRequest('/what/ever', None, None, None)
        handler.continue_request(data, request)
        logdata = supervisor.options.logger.data
        self.assertEqual(len(logdata), 2)
        self.assertEqual(logdata[-2],
               'XML-RPC method called: supervisor.getAPIVersion()')
        self.assertEqual(logdata[-1],
            'XML-RPC method supervisor.getAPIVersion() returned successfully')
        self.assertEqual(len(request.producers), 1)
        xml_response = request.producers[0]
        response = xmlrpclib.loads(xml_response)
        from supervisor.rpcinterface import API_VERSION
        self.assertEqual(response[0][0], API_VERSION)
        self.assertEqual(request._done, True)
        self.assertEqual(request.headers['Content-Type'], 'text/xml')
        self.assertEqual(request.headers['Content-Length'], len(xml_response))

    def test_continue_request_no_params_in_request(self):
        supervisor = DummySupervisor()
        subinterfaces = [('supervisor', DummySupervisorRPCNamespace())]
        handler = self._makeOne(supervisor, subinterfaces)
        data = '<?xml version="1.0" encoding="UTF-8"?>' \
               '<methodCall>' \
               '<methodName>supervisor.getAPIVersion</methodName>' \
               '</methodCall>'
        request = DummyRequest('/what/ever', None, None, None)
        handler.continue_request(data, request)
        logdata = supervisor.options.logger.data
        self.assertEqual(len(logdata), 2)
        self.assertEqual(logdata[-2],
               'XML-RPC method called: supervisor.getAPIVersion()')
        self.assertEqual(logdata[-1],
            'XML-RPC method supervisor.getAPIVersion() returned successfully')
        self.assertEqual(len(request.producers), 1)
        xml_response = request.producers[0]
        response = xmlrpclib.loads(xml_response)
        from supervisor.rpcinterface import API_VERSION
        self.assertEqual(response[0][0], API_VERSION)
        self.assertEqual(request._done, True)
        self.assertEqual(request.headers['Content-Type'], 'text/xml')
        self.assertEqual(request.headers['Content-Length'], len(xml_response))

    def test_continue_request_400_if_method_name_is_empty(self):
        supervisor = DummySupervisor()
        subinterfaces = [('supervisor', DummySupervisorRPCNamespace())]
        handler = self._makeOne(supervisor, subinterfaces)
        data = '<?xml version="1.0" encoding="UTF-8"?>' \
               '<methodCall><methodName></methodName></methodCall>'
        request = DummyRequest('/what/ever', None, None, None)
        handler.continue_request(data, request)
        logdata = supervisor.options.logger.data
        self.assertEqual(len(logdata), 1)
        self.assertTrue(logdata[0].startswith('XML-RPC request data'))
        self.assertTrue(repr(data) in logdata[0])
        self.assertTrue(logdata[0].endswith('is invalid: no method name'))
        self.assertEqual(request._error, 400)

    def test_continue_request_400_if_loads_raises_not_xml(self):
        supervisor = DummySupervisor()
        subinterfaces = [('supervisor', DummySupervisorRPCNamespace())]
        handler = self._makeOne(supervisor, subinterfaces)
        data = 'this is not an xml-rpc request body'
        request = DummyRequest('/what/ever', None, None, None)
        handler.continue_request(data, request)
        logdata = supervisor.options.logger.data
        self.assertEqual(len(logdata), 1)
        self.assertTrue(logdata[0].startswith('XML-RPC request data'))
        self.assertTrue(repr(data) in logdata[0])
        self.assertTrue(logdata[0].endswith('is invalid: unmarshallable'))
        self.assertEqual(request._error, 400)

    def test_continue_request_400_if_loads_raises_weird_xml(self):
        supervisor = DummySupervisor()
        subinterfaces = [('supervisor', DummySupervisorRPCNamespace())]
        handler = self._makeOne(supervisor, subinterfaces)
        data = '<methodName></methodName><junk></junk>'
        request = DummyRequest('/what/ever', None, None, None)
        handler.continue_request(data, request)
        logdata = supervisor.options.logger.data
        self.assertEqual(len(logdata), 1)
        self.assertTrue(logdata[0].startswith('XML-RPC request data'))
        self.assertTrue(repr(data) in logdata[0])
        self.assertTrue(logdata[0].endswith('is invalid: unmarshallable'))
        self.assertEqual(request._error, 400)

    def test_continue_request_500_if_rpcinterface_method_call_raises(self):
        supervisor = DummySupervisor()
        subinterfaces = [('supervisor', DummySupervisorRPCNamespace())]
        handler = self._makeOne(supervisor, subinterfaces)
        data = xmlrpclib.dumps((), 'supervisor.raiseError')
        request = DummyRequest('/what/ever', None, None, None)
        handler.continue_request(data, request)
        logdata = supervisor.options.logger.data
        self.assertEqual(len(logdata), 2)
        self.assertEqual(logdata[0],
               'XML-RPC method called: supervisor.raiseError()')
        self.assertTrue("unexpected exception" in logdata[1])
        self.assertTrue(repr(data) in logdata[1])
        self.assertTrue("Traceback" in logdata[1])
        self.assertTrue("ValueError: error" in logdata[1])
        self.assertEqual(request._error, 500)

    def test_continue_request_500_if_xmlrpc_dumps_raises(self):
        supervisor = DummySupervisor()
        subinterfaces = [('supervisor', DummySupervisorRPCNamespace())]
        handler = self._makeOne(supervisor, subinterfaces)
        data = xmlrpclib.dumps((), 'supervisor.getXmlRpcUnmarshallable')
        request = DummyRequest('/what/ever', None, None, None)
        handler.continue_request(data, request)
        logdata = supervisor.options.logger.data
        self.assertEqual(len(logdata), 3)
        self.assertEqual(logdata[0],
               'XML-RPC method called: supervisor.getXmlRpcUnmarshallable()')
        self.assertEqual(logdata[1],
               'XML-RPC method supervisor.getXmlRpcUnmarshallable() '
               'returned successfully')
        self.assertTrue("unexpected exception" in logdata[2])
        self.assertTrue(repr(data) in logdata[2])
        self.assertTrue("Traceback" in logdata[2])
        self.assertTrue("TypeError: cannot marshal" in logdata[2])
        self.assertEqual(request._error, 500)

    def test_continue_request_value_is_function(self):
        class DummyRPCNamespace(object):
            def foo(self):
                def inner(self):
                    return 1
                inner.delay = .05
                return inner
        supervisor = DummySupervisor()
        subinterfaces = [('supervisor', DummySupervisorRPCNamespace()),
                          ('ns1', DummyRPCNamespace())]
        handler = self._makeOne(supervisor, subinterfaces)
        data = xmlrpclib.dumps((), 'ns1.foo')
        request = DummyRequest('/what/ever', None, None, None)
        handler.continue_request(data, request)
        logdata = supervisor.options.logger.data
        self.assertEqual(len(logdata), 2)
        self.assertEqual(logdata[-2],
               'XML-RPC method called: ns1.foo()')
        self.assertEqual(logdata[-1],
            'XML-RPC method ns1.foo() returned successfully')
        self.assertEqual(len(request.producers), 0)
        self.assertEqual(request._done, False)

    def test_iterparse_loads_methodcall(self):
        s = """<?xml version="1.0"?>
        <methodCall>
        <methodName>examples.getStateName</methodName>
        <params>
        <param>
        <value><i4>41</i4></value>
        </param>
        <param>
        <value><string>foo</string></value>
        </param>
        <param>
        <value><string></string></value>
        </param>
        <param>
        <!-- xml-rpc spec allows strings without <string> tag -->
        <value>bar</value>
        </param>
        <param>
        <value></value>
        </param>
        <param>
        <value><boolean>1</boolean></value>
        </param>
        <param>
        <value><double>-12.214</double></value>
        </param>
        <param>
        <value>
        <dateTime.iso8601>19980717T14:08:55</dateTime.iso8601>
        </value>
        </param>
        <param>
        <value><base64>eW91IGNhbid0IHJlYWQgdGhpcyE=</base64></value>
        </param>
        <param>
        <struct>
        <member><name>j</name><value><i4>5</i4></value></member>
        <member><name>k</name><value>abc</value></member>
        </struct>
        </param>
        <param>
        <array>
          <data>
            <value><i4>12</i4></value>
            <value><string>abc</string></value>
            <value>def</value>
            <value><i4>34</i4></value>
          </data>
        </array>
        </param>
        <param>
        <struct>
          <member>
            <name>k</name>
            <value><array><data>
              <value><i4>1</i4></value>
              <struct></struct>
            </data></array></value>
          </member>
        </struct>
        </param>
        </params>
        </methodCall>
        """
        supervisor = DummySupervisor()
        subinterfaces = [('supervisor', DummySupervisorRPCNamespace())]
        handler = self._makeOne(supervisor, subinterfaces)
        result = handler.loads(s)
        params, method = result
        import datetime
        self.assertEqual(method, 'examples.getStateName')
        self.assertEqual(params[0], 41)
        self.assertEqual(params[1], 'foo')
        self.assertEqual(params[2], '')
        self.assertEqual(params[3], 'bar')
        self.assertEqual(params[4], '')
        self.assertEqual(params[5], True)
        self.assertEqual(params[6], -12.214)
        self.assertEqual(params[7], datetime.datetime(1998, 7, 17, 14, 8, 55))
        self.assertEqual(params[8], "you can't read this!")
        self.assertEqual(params[9], {'j': 5, 'k': 'abc'})
        self.assertEqual(params[10], [12, 'abc', 'def', 34])
        self.assertEqual(params[11], {'k': [1, {}]})

class TraverseTests(unittest.TestCase):
    def test_security_disallows_underscore_methods(self):
        from supervisor import xmlrpc
        class Root:
            pass
        class A:
            def _danger(self):
                return True
        root = Root()
        root.a = A()
        self.assertRaises(xmlrpc.RPCError, xmlrpc.traverse,
            root, 'a._danger', [])

    def test_security_disallows_object_traversal(self):
        from supervisor import xmlrpc
        class Root:
            pass
        class A:
            pass
        class B:
            def danger(self):
                return True
        root = Root()
        root.a = A()
        root.a.b = B()
        self.assertRaises(xmlrpc.RPCError, xmlrpc.traverse,
            root, 'a.b.danger', [])

    def test_namespace_name_not_found(self):
        from supervisor import xmlrpc
        class Root:
            pass
        root = Root()
        self.assertRaises(xmlrpc.RPCError, xmlrpc.traverse,
            root, 'notfound.hello', None)

    def test_method_name_not_found(self):
        from supervisor import xmlrpc
        class Root:
            pass
        class A:
            pass
        root = Root()
        root.a = A()
        self.assertRaises(xmlrpc.RPCError, xmlrpc.traverse,
            root, 'a.notfound', [])

    def test_method_name_exists_but_is_not_a_method(self):
        from supervisor import xmlrpc
        class Root:
            pass
        class A:
            pass
        class B:
            pass
        root = Root()
        root.a = A()
        root.a.b = B()
        self.assertRaises(xmlrpc.RPCError, xmlrpc.traverse,
            root, 'a.b', [])  # b is not a method

    def test_bad_params(self):
        from supervisor import xmlrpc
        class Root:
            pass
        class A:
            def hello(self, name):
                return "Hello %s" % name
        root = Root()
        root.a = A()
        self.assertRaises(xmlrpc.RPCError, xmlrpc.traverse,
            root, 'a.hello', ["there", "extra"])  # too many params

    def test_success(self):
        from supervisor import xmlrpc
        class Root:
            pass
        class A:
            def hello(self, name):
                return "Hello %s" % name
        root = Root()
        root.a = A()
        result = xmlrpc.traverse(root, 'a.hello', ["there"])
        self.assertEqual(result, "Hello there")

class SupervisorTransportTests(unittest.TestCase):
    def _getTargetClass(self):
        from supervisor.xmlrpc import SupervisorTransport
        return SupervisorTransport

    def _makeOne(self, *arg, **kw):
        return self._getTargetClass()(*arg, **kw)

    def test_ctor_unix(self):
        from supervisor import xmlrpc
        transport = self._makeOne('user', 'pass', 'unix:///foo/bar')
        conn = transport._get_connection()
        self.assertTrue(isinstance(conn, xmlrpc.UnixStreamHTTPConnection))
        self.assertEqual(conn.host, 'localhost')
        self.assertEqual(conn.socketfile, '/foo/bar')

    def test_ctor_unknown(self):
        self.assertRaises(ValueError,
            self._makeOne, 'user', 'pass', 'unknown:///foo/bar'
            )

    def test__get_connection_http_9001(self):
        transport = self._makeOne('user', 'pass', 'http://127.0.0.1:9001/')
        conn = transport._get_connection()
        self.assertTrue(isinstance(conn, httplib.HTTPConnection))
        self.assertEqual(conn.host, '127.0.0.1')
        self.assertEqual(conn.port, 9001)

    def test__get_connection_http_80(self):
        transport = self._makeOne('user', 'pass', 'http://127.0.0.1/')
        conn = transport._get_connection()
        self.assertTrue(isinstance(conn, httplib.HTTPConnection))
        self.assertEqual(conn.host, '127.0.0.1')
        self.assertEqual(conn.port, 80)

    def test_request_non_200_response(self):
        transport = self._makeOne('user', 'pass', 'http://127.0.0.1/')
        dummy_conn = DummyConnection(400, '')
        def getconn():
            return dummy_conn
        transport._get_connection = getconn
        self.assertRaises(xmlrpclib.ProtocolError,
                          transport.request, 'localhost', '/', '')
        self.assertEqual(transport.connection, None)
        self.assertEqual(dummy_conn.closed, True)

    def test_request_400_response(self):
        transport = self._makeOne('user', 'pass', 'http://127.0.0.1/')
        dummy_conn = DummyConnection(400, '')
        def getconn():
            return dummy_conn
        transport._get_connection = getconn
        self.assertRaises(xmlrpclib.ProtocolError,
                          transport.request, 'localhost', '/', '')
        self.assertEqual(transport.connection, None)
        self.assertEqual(dummy_conn.closed, True)
        self.assertEqual(dummy_conn.requestargs[0], 'POST')
        self.assertEqual(dummy_conn.requestargs[1], '/')
        self.assertEqual(dummy_conn.requestargs[2], b'')
        self.assertEqual(dummy_conn.requestargs[3]['Content-Length'], '0')
        self.assertEqual(dummy_conn.requestargs[3]['Content-Type'], 'text/xml')
        self.assertEqual(dummy_conn.requestargs[3]['Authorization'],
                         'Basic dXNlcjpwYXNz')
        self.assertEqual(dummy_conn.requestargs[3]['Accept'], 'text/xml')

    def test_request_200_response(self):
        transport = self._makeOne('user', 'pass', 'http://127.0.0.1/')
        response = """<?xml version="1.0"?>
        <methodResponse>
        <params>
        <param>
        <value><string>South Dakota</string></value>
        </param>
        </params>
        </methodResponse>"""
        dummy_conn = DummyConnection(200, response)
        def getconn():
            return dummy_conn
        transport._get_connection = getconn
        result = transport.request('localhost', '/', '')
        self.assertEqual(transport.connection, dummy_conn)
        self.assertEqual(dummy_conn.closed, False)
        self.assertEqual(dummy_conn.requestargs[0], 'POST')
        self.assertEqual(dummy_conn.requestargs[1], '/')
        self.assertEqual(dummy_conn.requestargs[2], b'')
        self.assertEqual(dummy_conn.requestargs[3]['Content-Length'], '0')
        self.assertEqual(dummy_conn.requestargs[3]['Content-Type'], 'text/xml')
        self.assertEqual(dummy_conn.requestargs[3]['Authorization'],
                         'Basic dXNlcjpwYXNz')
        self.assertEqual(dummy_conn.requestargs[3]['Accept'], 'text/xml')
        self.assertEqual(result, ('South Dakota',))

    def test_close(self):
        transport = self._makeOne('user', 'pass', 'http://127.0.0.1/')
        dummy_conn = DummyConnection(200, '''<?xml version="1.0"?>
        <methodResponse><params/></methodResponse>''')
        def getconn():
            return dummy_conn
        transport._get_connection = getconn
        transport.request('localhost', '/', '')
        transport.close()
        self.assertTrue(dummy_conn.closed)

class TestDeferredXMLRPCResponse(unittest.TestCase):
    def _getTargetClass(self):
        from supervisor.xmlrpc import DeferredXMLRPCResponse
        return DeferredXMLRPCResponse

    def _makeOne(self, request=None, callback=None):
        if request is None:
            request = DummyRequest(None, None, None, None, None)
        if callback is None:
            callback = Dummy()
            callback.delay = 1
        return self._getTargetClass()(request, callback)

    def test_ctor(self):
        callback = Dummy()
        callback.delay = 1
        inst = self._makeOne(request='request', callback=callback)
        self.assertEqual(inst.callback, callback)
        self.assertEqual(inst.delay, 1.0)
        self.assertEqual(inst.request, 'request')
        self.assertEqual(inst.finished, False)

    def test_more_finished(self):
        inst = self._makeOne()
        inst.finished = True
        result = inst.more()
        self.assertEqual(result,  '')

    def test_more_callback_returns_not_done_yet(self):
        from supervisor.http import NOT_DONE_YET
        def callback():
            return NOT_DONE_YET
        callback.delay = 1
        inst = self._makeOne(callback=callback)
        self.assertEqual(inst.more(), NOT_DONE_YET)

    def test_more_callback_raises_RPCError(self):
        from supervisor.xmlrpc import RPCError, Faults
        def callback():
            raise RPCError(Faults.UNKNOWN_METHOD)
        callback.delay = 1
        inst = self._makeOne(callback=callback)
        self.assertEqual(inst.more(), None)
        self.assertEqual(len(inst.request.producers), 1)
        self.assertTrue('UNKNOWN_METHOD' in inst.request.producers[0])
        self.assertTrue(inst.finished)

    def test_more_callback_returns_value(self):
        def callback():
            return 'abc'
        callback.delay = 1
        inst = self._makeOne(callback=callback)
        self.assertEqual(inst.more(), None)
        self.assertEqual(len(inst.request.producers), 1)
        self.assertTrue('abc' in inst.request.producers[0])
        self.assertTrue(inst.finished)

    def test_more_callback_raises_unexpected_exception(self):
        def callback():
            raise ValueError('foo')
        callback.delay = 1
        inst = self._makeOne(callback=callback)
        self.assertEqual(inst.more(), None)
        self.assertEqual(inst.request._error, 500)
        self.assertTrue(inst.finished)
        logged = inst.request.channel.server.logger.logged
        self.assertEqual(len(logged), 1)
        src, msg = logged[0]
        self.assertEqual(src, 'XML-RPC response callback error')
        self.assertTrue("Traceback" in msg)

    def test_getresponse_http_10_with_keepalive(self):
        inst = self._makeOne()
        inst.request.version = '1.0'
        inst.request.header.append('Connection: keep-alive')
        inst.getresponse('abc')
        self.assertEqual(len(inst.request.producers), 1)
        self.assertEqual(inst.request.headers['Connection'], 'Keep-Alive')

    def test_getresponse_http_10_no_keepalive(self):
        inst = self._makeOne()
        inst.request.version = '1.0'
        inst.getresponse('abc')
        self.assertEqual(len(inst.request.producers), 1)
        self.assertEqual(inst.request.headers['Connection'], 'close')

    def test_getresponse_http_11_without_close(self):
        inst = self._makeOne()
        inst.request.version = '1.1'
        inst.getresponse('abc')
        self.assertEqual(len(inst.request.producers), 1)
        self.assertTrue('Connection' not in inst.request.headers)

    def test_getresponse_http_11_with_close(self):
        inst = self._makeOne()
        inst.request.header.append('Connection: close')
        inst.request.version = '1.1'
        inst.getresponse('abc')
        self.assertEqual(len(inst.request.producers), 1)
        self.assertEqual(inst.request.headers['Connection'], 'close')

    def test_getresponse_http_unknown(self):
        inst = self._makeOne()
        inst.request.version = None
        inst.getresponse('abc')
        self.assertEqual(len(inst.request.producers), 1)
        self.assertEqual(inst.request.headers['Connection'], 'close')

class TestSystemNamespaceRPCInterface(unittest.TestCase):
    def _makeOne(self, namespaces=()):
        from supervisor.xmlrpc import SystemNamespaceRPCInterface
        return SystemNamespaceRPCInterface(namespaces)

    def test_listMethods_gardenpath(self):
        inst = self._makeOne()
        result = inst.listMethods()
        self.assertEqual(
            result,
            ['system.listMethods',
             'system.methodHelp',
             'system.methodSignature',
             'system.multicall',
             ]
            )

    def test_listMethods_omits_underscore_attrs(self):
        class DummyNamespace(object):
            def foo(self): pass
            def _bar(self): pass
        ns1 = DummyNamespace()
        inst = self._makeOne([('ns1', ns1)])
        result = inst.listMethods()
        self.assertEqual(
            result,
            ['ns1.foo',
             'system.listMethods',
             'system.methodHelp',
             'system.methodSignature',
             'system.multicall'
             ]
            )

    def test_methodHelp_known_method(self):
        inst = self._makeOne()
        result = inst.methodHelp('system.listMethods')
        self.assertTrue('array' in result)

    def test_methodHelp_unknown_method(self):
        from supervisor.xmlrpc import RPCError
        inst = self._makeOne()
        self.assertRaises(RPCError, inst.methodHelp, 'wont.be.found')

    def test_methodSignature_known_method(self):
        inst = self._makeOne()
        result = inst.methodSignature('system.methodSignature')
        self.assertEqual(result, ['array', 'string'])

    def test_methodSignature_unknown_method(self):
        from supervisor.xmlrpc import RPCError
        inst = self._makeOne()
        self.assertRaises(RPCError, inst.methodSignature, 'wont.be.found')

    def test_methodSignature_with_bad_sig(self):
        from supervisor.xmlrpc import RPCError
        class DummyNamespace(object):
            def foo(self):
                """ @param string name The thing"""
        ns1 = DummyNamespace()
        inst = self._makeOne([('ns1', ns1)])
        self.assertRaises(RPCError, inst.methodSignature, 'ns1.foo')

    def test_multicall_faults_for_recursion(self):
        from supervisor.xmlrpc import Faults
        inst = self._makeOne()
        calls = [{'methodName':'system.multicall'}]
        results = inst.multicall(calls)
        self.assertEqual(
            results,
            [{'faultCode': Faults.INCORRECT_PARAMETERS,
              'faultString': ('INCORRECT_PARAMETERS: Recursive '
                              'system.multicall forbidden')}]
            )

    def test_multicall_faults_for_missing_methodName(self):
        from supervisor.xmlrpc import Faults
        inst = self._makeOne()
        calls = [{}]
        results = inst.multicall(calls)
        self.assertEqual(
            results,
            [{'faultCode': Faults.INCORRECT_PARAMETERS,
              'faultString': 'INCORRECT_PARAMETERS: No methodName'}]
            )

    def test_multicall_faults_for_methodName_bad_namespace(self):
        from supervisor.xmlrpc import Faults
        inst = self._makeOne()
        calls = [{'methodName': 'bad.stopProcess'}]
        results = inst.multicall(calls)
        self.assertEqual(
            results,
            [{'faultCode': Faults.UNKNOWN_METHOD,
              'faultString': 'UNKNOWN_METHOD'}]
            )

    def test_multicall_faults_for_methodName_good_ns_bad_method(self):
        from supervisor.xmlrpc import Faults
        class DummyNamespace(object):
            pass
        ns1 = DummyNamespace()
        inst = self._makeOne([('ns1', ns1)])
        calls = [{'methodName': 'ns1.bad'}]
        results = inst.multicall(calls)
        self.assertEqual(
            results,
            [{'faultCode': Faults.UNKNOWN_METHOD,
              'faultString': 'UNKNOWN_METHOD'}]
            )

    def test_multicall_returns_empty_results_for_empty_calls(self):
        inst = self._makeOne()
        calls = []
        results = inst.multicall(calls)
        self.assertEqual(results, [])

    def test_multicall_performs_noncallback_functions_serially(self):
        class DummyNamespace(object):
            def say(self, name):
                """ @param string name Process name"""
                return name
        ns1 = DummyNamespace()
        inst = self._makeOne([('ns1', ns1)])
        calls = [
            {'methodName': 'ns1.say', 'params': ['Alvin']},
            {'methodName': 'ns1.say', 'params': ['Simon']},
            {'methodName': 'ns1.say', 'params': ['Theodore']}
        ]
        results = inst.multicall(calls)
        self.assertEqual(results, ['Alvin', 'Simon', 'Theodore'])

    def test_multicall_catches_noncallback_exceptions(self):
        import errno
        from supervisor.xmlrpc import RPCError, Faults
        class DummyNamespace(object):
            def bad_name(self):
                raise RPCError(Faults.BAD_NAME, 'foo')
            def os_error(self):
                raise OSError(errno.ENOENT)
        ns1 = DummyNamespace()
        inst = self._makeOne([('ns1', ns1)])
        calls = [{'methodName': 'ns1.bad_name'}, {'methodName': 'ns1.os_error'}]
        results = inst.multicall(calls)

        bad_name = {'faultCode': Faults.BAD_NAME,
                    'faultString': 'BAD_NAME: foo'}
        os_error = {'faultCode': Faults.FAILED,
                    'faultString': "FAILED: %s:2" % OSError}
        self.assertEqual(results, [bad_name, os_error])

    def test_multicall_catches_callback_exceptions(self):
        import errno
        from supervisor.xmlrpc import RPCError, Faults
        from supervisor.http import NOT_DONE_YET
        class DummyNamespace(object):
            def bad_name(self):
                def inner():
                    raise RPCError(Faults.BAD_NAME, 'foo')
                return inner
            def os_error(self):
                def inner():
                    raise OSError(errno.ENOENT)
                return inner
        ns1 = DummyNamespace()
        inst = self._makeOne([('ns1', ns1)])
        calls = [{'methodName': 'ns1.bad_name'}, {'methodName': 'ns1.os_error'}]
        callback = inst.multicall(calls)
        results = NOT_DONE_YET
        while results is NOT_DONE_YET:
            results = callback()

        bad_name = {'faultCode': Faults.BAD_NAME,
                    'faultString': 'BAD_NAME: foo'}
        os_error = {'faultCode': Faults.FAILED,
                    'faultString': "FAILED: %s:2" % OSError}
        self.assertEqual(results, [bad_name, os_error])

    def test_multicall_performs_callback_functions_serially(self):
        from supervisor.http import NOT_DONE_YET
        class DummyNamespace(object):
            def __init__(self):
                self.stop_results = [NOT_DONE_YET, NOT_DONE_YET,
                    NOT_DONE_YET, 'stop result']
                self.start_results = ['start result']
            def stopProcess(self, name):
                def inner():
                    result = self.stop_results.pop(0)
                    if result is not NOT_DONE_YET:
                        self.stopped = True
                    return result
                return inner
            def startProcess(self, name):
                def inner():
                    if not self.stopped:
                        raise Exception("This should not raise")
                    return self.start_results.pop(0)
                return inner
        ns1 = DummyNamespace()
        inst = self._makeOne([('ns1', ns1)])
        calls = [{'methodName': 'ns1.stopProcess',
                  'params': {'name': 'foo'}},
                 {'methodName': 'ns1.startProcess',
                  'params': {'name': 'foo'}}]
        callback = inst.multicall(calls)
        results = NOT_DONE_YET
        while results is NOT_DONE_YET:
            results = callback()
        self.assertEqual(results, ['stop result', 'start result'])

class Test_gettags(unittest.TestCase):
    def _callFUT(self, comment):
        from supervisor.xmlrpc import gettags
        return gettags(comment)

    def test_one_atpart(self):
        lines = '@foo'
        result = self._callFUT(lines)
        self.assertEqual(
            result,
            [(0, None, None, None, ''), (0, 'foo', '', '', '')]
            )

    def test_two_atparts(self):
        lines = '@foo array'
        result = self._callFUT(lines)
        self.assertEqual(
            result,
            [(0, None, None, None, ''), (0, 'foo', 'array', '', '')]
            )

    def test_three_atparts(self):
        lines = '@foo array name'
        result = self._callFUT(lines)
        self.assertEqual(
            result,
            [(0, None, None, None, ''), (0, 'foo', 'array', 'name', '')]
            )

    def test_four_atparts(self):
        lines = '@foo array name text'
        result = self._callFUT(lines)
        self.assertEqual(
            result,
            [(0, None, None, None, ''), (0, 'foo', 'array', 'name', 'text')]
            )

class Test_capped_int(unittest.TestCase):
    def _callFUT(self, value):
        from supervisor.xmlrpc import capped_int
        return capped_int(value)

    def test_converts_value_to_integer(self):
        self.assertEqual(self._callFUT('42'), 42)

    def test_caps_value_below_minint(self):
        from supervisor.compat import xmlrpclib
        self.assertEqual(self._callFUT(xmlrpclib.MININT - 1), xmlrpclib.MININT)

    def test_caps_value_above_maxint(self):
        from supervisor.compat import xmlrpclib
        self.assertEqual(self._callFUT(xmlrpclib.MAXINT + 1), xmlrpclib.MAXINT)


class DummyResponse:
    def __init__(self, status=200, body='', reason='reason'):
        self.status = status
        self.body = body
        self.reason = reason

    def read(self):
        return self.body

class Dummy(object):
    pass

class DummyConnection:
    closed = False
    def __init__(self, status=200, body='', reason='reason'):
        self.response = DummyResponse(status, body, reason)

    def getresponse(self):
        return self.response

    def request(self, *arg, **kw):
        self.requestargs = arg
        self.requestkw = kw

    def close(self):
        self.closed = True