$ python3
>>> import sys
>>> sys.path.insert(0, "/home/pierre/dev/bitcoin-abc/test/functional")
>>> from test_framework.test_shell import TestShell
>>> test = TestShell()
>>> test.setup(num_nodes=2, configfile="/home/pierre/dev/bitcoin-abc/build/test/config.ini")
2020-11-03T09:36:41.939000Z TestFramework (INFO): Initializing test directory /tmp/bitcoin_func_test_cu4wq1lu
>>> test.nodes[0].generate(2)
['1239cf08ec1a14d8fd058a6ce7d01bfca7b72ba2cafe98a2d792b545d3b47031', '20b4a2dad83310cad98f1db91000267bb33e8d927a59ade6f371200de55ae216']
>>> test.nodes[0].getblockchaininfo()
{'chain': 'regtest', 'blocks': 202, 'headers': 202, 'bestblockhash': '20b4a2dad83310cad98f1db91000267bb33e8d927a59ade6f371200de55ae216', 'difficulty': Decimal('4.656542373906925E-10'), 'mediantime': 1296688637, 'verificationprogress': 1, 'initialblockdownload': False, 'chainwork': '0000000000000000000000000000000000000000000000000000000000000196', 'size_on_disk': 46753, 'pruned': False, 'softforks': {'testdummy': {'type': 'bip9', 'bip9': {'status': 'started', 'bit': 28, 'start_time': 0, 'timeout': 9223372036854775807, 'since': 144, 'statistics': {'period': 144, 'threshold': 108, 'elapsed': 59, 'count': 59, 'possible': True}}, 'active': False}}, 'warnings': 'This is a pre-release test build - use at your own risk - do not use for mining or merchant applications'}
>>> test.shutdown()
2020-11-03T09:37:44.840000Z TestFramework (INFO): Stopping nodes
2020-11-03T09:37:45.097000Z TestFramework (INFO): Cleaning up /tmp/bitcoin_func_test_cu4wq1lu on exit
2020-11-03T09:37:45.097000Z TestFramework (INFO): Tests successful