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How to Mock Fabric Connections in Python for Task Testing

Create a lightweight MockConnection class to replace fabric.Connection and test task functions without SSH.

fabric mocking testing
Python 
from fabric import Connection


class MockConnection:
    """Minimal mock of fabric.Connection for task testing."""

    def __init__(self):
        self.commands = []

    def run(self, command, **kwargs):
        self.commands.append(command)
        return f"OK: {command}"


def deploy(conn):
    """Deploy the app:…
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