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