diff options
Diffstat (limited to 'qa/rpc-tests/test_framework/comptool.py')
| -rwxr-xr-x | qa/rpc-tests/test_framework/comptool.py | 148 |
1 files changed, 90 insertions, 58 deletions
diff --git a/qa/rpc-tests/test_framework/comptool.py b/qa/rpc-tests/test_framework/comptool.py index 7fb31d4a06..e0b3ce040d 100755 --- a/qa/rpc-tests/test_framework/comptool.py +++ b/qa/rpc-tests/test_framework/comptool.py @@ -27,6 +27,20 @@ generator that returns TestInstance objects. See below for definition. global mininode_lock +def wait_until(predicate, attempts=float('inf'), timeout=float('inf')): + attempt = 0 + elapsed = 0 + + while attempt < attempts and elapsed < timeout: + with mininode_lock: + if predicate(): + return True + attempt += 1 + elapsed += 0.05 + time.sleep(0.05) + + return False + class TestNode(NodeConnCB): def __init__(self, block_store, tx_store): @@ -43,6 +57,10 @@ class TestNode(NodeConnCB): # a response self.pingMap = {} self.lastInv = [] + self.closed = False + + def on_close(self, conn): + self.closed = True def add_connection(self, conn): self.conn = conn @@ -104,19 +122,26 @@ class TestNode(NodeConnCB): # Instances of these are generated by the test generator, and fed into the # comptool. # -# "blocks_and_transactions" should be an array of [obj, True/False/None]: -# - obj is either a CBlock or a CTransaction, and +# "blocks_and_transactions" should be an array of +# [obj, True/False/None, hash/None]: +# - obj is either a CBlock, CBlockHeader, or a CTransaction, and # - the second value indicates whether the object should be accepted # into the blockchain or mempool (for tests where we expect a certain # answer), or "None" if we don't expect a certain answer and are just # comparing the behavior of the nodes being tested. +# - the third value is the hash to test the tip against (if None or omitted, +# use the hash of the block) +# - NOTE: if a block header, no test is performed; instead the header is +# just added to the block_store. This is to facilitate block delivery +# when communicating with headers-first clients (when withholding an +# intermediate block). # sync_every_block: if True, then each block will be inv'ed, synced, and # nodes will be tested based on the outcome for the block. If False, # then inv's accumulate until all blocks are processed (or max inv size # is reached) and then sent out in one inv message. Then the final block # will be synced across all connections, and the outcome of the final # block will be tested. -# sync_every_tx: analagous to behavior for sync_every_block, except if outcome +# sync_every_tx: analogous to behavior for sync_every_block, except if outcome # on the final tx is None, then contents of entire mempool are compared # across all connections. (If outcome of final tx is specified as true # or false, then only the last tx is tested against outcome.) @@ -132,6 +157,7 @@ class TestManager(object): def __init__(self, testgen, datadir): self.test_generator = testgen self.connections = [] + self.test_nodes = [] self.block_store = BlockStore(datadir) self.tx_store = TxStore(datadir) self.ping_counter = 1 @@ -139,57 +165,42 @@ class TestManager(object): def add_all_connections(self, nodes): for i in range(len(nodes)): # Create a p2p connection to each node - self.connections.append(NodeConn('127.0.0.1', p2p_port(i), - nodes[i], TestNode(self.block_store, self.tx_store))) + test_node = TestNode(self.block_store, self.tx_store) + self.test_nodes.append(test_node) + self.connections.append(NodeConn('127.0.0.1', p2p_port(i), nodes[i], test_node)) # Make sure the TestNode (callback class) has a reference to its # associated NodeConn - self.connections[-1].cb.add_connection(self.connections[-1]) + test_node.add_connection(self.connections[-1]) + + def wait_for_disconnections(self): + def disconnected(): + return all(node.closed for node in self.test_nodes) + return wait_until(disconnected, timeout=10) def wait_for_verack(self): - sleep_time = 0.05 - max_tries = 10 / sleep_time # Wait at most 10 seconds - while max_tries > 0: - done = True - with mininode_lock: - for c in self.connections: - if c.cb.verack_received is False: - done = False - break - if done: - break - time.sleep(sleep_time) + def veracked(): + return all(node.verack_received for node in self.test_nodes) + return wait_until(veracked, timeout=10) def wait_for_pings(self, counter): - received_pongs = False - while received_pongs is not True: - time.sleep(0.05) - received_pongs = True - with mininode_lock: - for c in self.connections: - if c.cb.received_ping_response(counter) is not True: - received_pongs = False - break + def received_pongs(): + return all(node.received_ping_response(counter) for node in self.test_nodes) + return wait_until(received_pongs) # sync_blocks: Wait for all connections to request the blockhash given # then send get_headers to find out the tip of each node, and synchronize # the response by using a ping (and waiting for pong with same nonce). def sync_blocks(self, blockhash, num_blocks): - # Wait for nodes to request block (50ms sleep * 20 tries * num_blocks) - max_tries = 20*num_blocks - while max_tries > 0: - with mininode_lock: - results = [ blockhash in c.cb.block_request_map and - c.cb.block_request_map[blockhash] for c in self.connections ] - if False not in results: - break - time.sleep(0.05) - max_tries -= 1 + def blocks_requested(): + return all( + blockhash in node.block_request_map and node.block_request_map[blockhash] + for node in self.test_nodes + ) # --> error if not requested - if max_tries == 0: + if not wait_until(blocks_requested, attempts=20*num_blocks): # print [ c.cb.block_request_map for c in self.connections ] raise AssertionError("Not all nodes requested block") - # --> Answer request (we did this inline!) # Send getheaders message [ c.cb.send_getheaders() for c in self.connections ] @@ -202,21 +213,16 @@ class TestManager(object): # Analogous to sync_block (see above) def sync_transaction(self, txhash, num_events): # Wait for nodes to request transaction (50ms sleep * 20 tries * num_events) - max_tries = 20*num_events - while max_tries > 0: - with mininode_lock: - results = [ txhash in c.cb.tx_request_map and - c.cb.tx_request_map[txhash] for c in self.connections ] - if False not in results: - break - time.sleep(0.05) - max_tries -= 1 + def transaction_requested(): + return all( + txhash in node.tx_request_map and node.tx_request_map[txhash] + for node in self.test_nodes + ) # --> error if not requested - if max_tries == 0: + if not wait_until(transaction_requested, attempts=20*num_events): # print [ c.cb.tx_request_map for c in self.connections ] raise AssertionError("Not all nodes requested transaction") - # --> Answer request (we did this inline!) # Get the mempool [ c.cb.send_mempool() for c in self.connections ] @@ -271,29 +277,55 @@ class TestManager(object): # We use these variables to keep track of the last block # and last transaction in the tests, which are used # if we're not syncing on every block or every tx. - [ block, block_outcome ] = [ None, None ] + [ block, block_outcome, tip ] = [ None, None, None ] [ tx, tx_outcome ] = [ None, None ] invqueue = [] - for b_or_t, outcome in test_instance.blocks_and_transactions: + for test_obj in test_instance.blocks_and_transactions: + b_or_t = test_obj[0] + outcome = test_obj[1] # Determine if we're dealing with a block or tx if isinstance(b_or_t, CBlock): # Block test runner block = b_or_t block_outcome = outcome + tip = block.sha256 + # each test_obj can have an optional third argument + # to specify the tip we should compare with + # (default is to use the block being tested) + if len(test_obj) >= 3: + tip = test_obj[2] + # Add to shared block_store, set as current block + # If there was an open getdata request for the block + # previously, and we didn't have an entry in the + # block_store, then immediately deliver, because the + # node wouldn't send another getdata request while + # the earlier one is outstanding. + first_block_with_hash = True + if self.block_store.get(block.sha256) is not None: + first_block_with_hash = False with mininode_lock: self.block_store.add_block(block) for c in self.connections: - c.cb.block_request_map[block.sha256] = False + if first_block_with_hash and block.sha256 in c.cb.block_request_map and c.cb.block_request_map[block.sha256] == True: + # There was a previous request for this block hash + # Most likely, we delivered a header for this block + # but never had the block to respond to the getdata + c.send_message(msg_block(block)) + else: + c.cb.block_request_map[block.sha256] = False # Either send inv's to each node and sync, or add # to invqueue for later inv'ing. if (test_instance.sync_every_block): [ c.cb.send_inv(block) for c in self.connections ] self.sync_blocks(block.sha256, 1) - if (not self.check_results(block.sha256, outcome)): + if (not self.check_results(tip, outcome)): raise AssertionError("Test failed at test %d" % test_number) else: invqueue.append(CInv(2, block.sha256)) + elif isinstance(b_or_t, CBlockHeader): + block_header = b_or_t + self.block_store.add_header(block_header) else: # Tx test runner assert(isinstance(b_or_t, CTransaction)) tx = b_or_t @@ -321,9 +353,8 @@ class TestManager(object): if len(invqueue) > 0: [ c.send_message(msg_inv(invqueue)) for c in self.connections ] invqueue = [] - self.sync_blocks(block.sha256, - len(test_instance.blocks_and_transactions)) - if (not self.check_results(block.sha256, block_outcome)): + self.sync_blocks(block.sha256, len(test_instance.blocks_and_transactions)) + if (not self.check_results(tip, block_outcome)): raise AssertionError("Block test failed at test %d" % test_number) if (not test_instance.sync_every_tx and tx is not None): if len(invqueue) > 0: @@ -336,6 +367,7 @@ class TestManager(object): print "Test %d: PASS" % test_number, [ c.rpc.getblockcount() for c in self.connections ] test_number += 1 + [ c.disconnect_node() for c in self.connections ] + self.wait_for_disconnections() self.block_store.close() self.tx_store.close() - [ c.disconnect_node() for c in self.connections ] |