aboutsummaryrefslogtreecommitdiff
path: root/qa/rpc-tests/test_framework/test_framework.py
blob: 584f318d0bbcd78c8f0b31a178b3d354feee9562 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
#!/usr/bin/env python2
# Copyright (c) 2014-2015 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.

# Base class for RPC testing

# Add python-bitcoinrpc to module search path:
import os
import sys

import shutil
import tempfile
import traceback

from .util import (
    initialize_chain,
    assert_equal,
    start_nodes,
    connect_nodes_bi,
    sync_blocks,
    sync_mempools,
    stop_nodes,
    wait_bitcoinds,
    enable_coverage,
    check_json_precision,
    initialize_chain_clean,
)
from authproxy import AuthServiceProxy, JSONRPCException


class BitcoinTestFramework(object):

    # These may be over-ridden by subclasses:
    def run_test(self):
        for node in self.nodes:
            assert_equal(node.getblockcount(), 200)
            assert_equal(node.getbalance(), 25*50)

    def add_options(self, parser):
        pass

    def setup_chain(self):
        print("Initializing test directory "+self.options.tmpdir)
        initialize_chain(self.options.tmpdir)

    def setup_nodes(self):
        return start_nodes(4, self.options.tmpdir)

    def setup_network(self, split = False):
        self.nodes = self.setup_nodes()

        # Connect the nodes as a "chain".  This allows us
        # to split the network between nodes 1 and 2 to get
        # two halves that can work on competing chains.

        # If we joined network halves, connect the nodes from the joint
        # on outward.  This ensures that chains are properly reorganised.
        if not split:
            connect_nodes_bi(self.nodes, 1, 2)
            sync_blocks(self.nodes[1:3])
            sync_mempools(self.nodes[1:3])

        connect_nodes_bi(self.nodes, 0, 1)
        connect_nodes_bi(self.nodes, 2, 3)
        self.is_network_split = split
        self.sync_all()

    def split_network(self):
        """
        Split the network of four nodes into nodes 0/1 and 2/3.
        """
        assert not self.is_network_split
        stop_nodes(self.nodes)
        wait_bitcoinds()
        self.setup_network(True)

    def sync_all(self):
        if self.is_network_split:
            sync_blocks(self.nodes[:2])
            sync_blocks(self.nodes[2:])
            sync_mempools(self.nodes[:2])
            sync_mempools(self.nodes[2:])
        else:
            sync_blocks(self.nodes)
            sync_mempools(self.nodes)

    def join_network(self):
        """
        Join the (previously split) network halves together.
        """
        assert self.is_network_split
        stop_nodes(self.nodes)
        wait_bitcoinds()
        self.setup_network(False)

    def main(self):
        import optparse

        parser = optparse.OptionParser(usage="%prog [options]")
        parser.add_option("--nocleanup", dest="nocleanup", default=False, action="store_true",
                          help="Leave bitcoinds and test.* datadir on exit or error")
        parser.add_option("--noshutdown", dest="noshutdown", default=False, action="store_true",
                          help="Don't stop bitcoinds after the test execution")
        parser.add_option("--srcdir", dest="srcdir", default="../../src",
                          help="Source directory containing bitcoind/bitcoin-cli (default: %default)")
        parser.add_option("--tmpdir", dest="tmpdir", default=tempfile.mkdtemp(prefix="test"),
                          help="Root directory for datadirs")
        parser.add_option("--tracerpc", dest="trace_rpc", default=False, action="store_true",
                          help="Print out all RPC calls as they are made")
        parser.add_option("--coveragedir", dest="coveragedir",
                          help="Write tested RPC commands into this directory")
        self.add_options(parser)
        (self.options, self.args) = parser.parse_args()

        if self.options.trace_rpc:
            import logging
            logging.basicConfig(level=logging.DEBUG)

        if self.options.coveragedir:
            enable_coverage(self.options.coveragedir)

        os.environ['PATH'] = self.options.srcdir+":"+self.options.srcdir+"/qt:"+os.environ['PATH']

        check_json_precision()

        success = False
        try:
            if not os.path.isdir(self.options.tmpdir):
                os.makedirs(self.options.tmpdir)
            self.setup_chain()

            self.setup_network()

            self.run_test()

            success = True

        except JSONRPCException as e:
            print("JSONRPC error: "+e.error['message'])
            traceback.print_tb(sys.exc_info()[2])
        except AssertionError as e:
            print("Assertion failed: "+e.message)
            traceback.print_tb(sys.exc_info()[2])
        except Exception as e:
            print("Unexpected exception caught during testing: "+str(e))
            traceback.print_tb(sys.exc_info()[2])

        if not self.options.noshutdown:
            print("Stopping nodes")
            stop_nodes(self.nodes)
            wait_bitcoinds()
        else:
            print("Note: bitcoinds were not stopped and may still be running")

        if not self.options.nocleanup and not self.options.noshutdown:
            print("Cleaning up")
            shutil.rmtree(self.options.tmpdir)

        if success:
            print("Tests successful")
            sys.exit(0)
        else:
            print("Failed")
            sys.exit(1)


# Test framework for doing p2p comparison testing, which sets up some bitcoind
# binaries:
# 1 binary: test binary
# 2 binaries: 1 test binary, 1 ref binary
# n>2 binaries: 1 test binary, n-1 ref binaries

class ComparisonTestFramework(BitcoinTestFramework):

    # Can override the num_nodes variable to indicate how many nodes to run.
    def __init__(self):
        self.num_nodes = 2

    def add_options(self, parser):
        parser.add_option("--testbinary", dest="testbinary",
                          default=os.getenv("BITCOIND", "bitcoind"),
                          help="bitcoind binary to test")
        parser.add_option("--refbinary", dest="refbinary",
                          default=os.getenv("BITCOIND", "bitcoind"),
                          help="bitcoind binary to use for reference nodes (if any)")

    def setup_chain(self):
        print "Initializing test directory "+self.options.tmpdir
        initialize_chain_clean(self.options.tmpdir, self.num_nodes)

    def setup_network(self):
        self.nodes = start_nodes(
            self.num_nodes, self.options.tmpdir,
            extra_args=[['-debug', '-whitelist=127.0.0.1']] * self.num_nodes,
            binary=[self.options.testbinary] +
            [self.options.refbinary]*(self.num_nodes-1))