diff options
Diffstat (limited to 'test/functional/test_framework')
-rw-r--r-- | test/functional/test_framework/test_shell.py | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/test/functional/test_framework/test_shell.py b/test/functional/test_framework/test_shell.py new file mode 100644 index 0000000000..79da35b364 --- /dev/null +++ b/test/functional/test_framework/test_shell.py @@ -0,0 +1,75 @@ +#!/usr/bin/env python3 +# Copyright (c) 2019 The Bitcoin Core developers +# Distributed under the MIT software license, see the accompanying +# file COPYING or http://www.opensource.org/licenses/mit-license.php. + +from test_framework.test_framework import BitcoinTestFramework + +class TestShell: + """Wrapper Class for BitcoinTestFramework. + + The TestShell class extends the BitcoinTestFramework + rpc & daemon process management functionality to external + python environments. + + It is a singleton class, which ensures that users only + start a single TestShell at a time.""" + + class __TestShell(BitcoinTestFramework): + def set_test_params(self): + pass + + def run_test(self): + pass + + def setup(self, **kwargs): + if self.running: + print("TestShell is already running!") + return + + # Num_nodes parameter must be set + # by BitcoinTestFramework child class. + self.num_nodes = kwargs.get('num_nodes', 1) + kwargs.pop('num_nodes', None) + + # User parameters override default values. + for key, value in kwargs.items(): + if hasattr(self, key): + setattr(self, key, value) + elif hasattr(self.options, key): + setattr(self.options, key, value) + else: + raise KeyError(key + " not a valid parameter key!") + + super().setup() + self.running = True + + def shutdown(self): + if not self.running: + print("TestShell is not running!") + else: + super().shutdown() + self.running = False + + def reset(self): + if self.running: + print("Shutdown TestWrapper before resetting!") + else: + self.num_nodes = None + super().__init__() + + instance = None + + def __new__(cls): + # This implementation enforces singleton pattern, and will return the + # previously initialized instance if available + if not TestShell.instance: + TestShell.instance = TestShell.__TestShell() + TestShell.instance.running = False + return TestShell.instance + + def __getattr__(self, name): + return getattr(self.instance, name) + + def __setattr__(self, name, value): + return setattr(self.instance, name, value) |