I need mock execution of some remote command via ssh.exec_command() It returns tuple (stdin, stdout, stderr) as paramiko.ChanelFile object.

I know I can use mock.MagicMock() and that is what I have used. Now I want to get different stdout o/p for each call and I am stuck.

pseudo code:

 def send_command(self, cmd)
    self.client.connect(hostname=self.host,
                        username=self.user,
                        password=self.password,
                        timeout=self.timeout)
    stdin, stdout, stderr = self.client.exec_command(cmd)

    return stdin, stdout, stderr

def func():
    stdin, stdout, stderr = report.send_command('ls -la')
    resp = stdout.read().decode()
    stdin, stdout, stderr = report.send_command('pwd')
    resp2 = stdout.read().decode()
    return [resp, resp2]

Tests:

@pytest.fixture
def mock_paramiko_ssh_client(items):
    """Mocks the paramiko SSHClient.s"""
    with mock.patch('paramiko.SSHClient', autospec=True) as mock_client:
        # Mock exec_command()
        stdin = mock.MagicMock()
        stdout = mock.MagicMock()
        stderr = mock.MagicMock()
        stdout.read.side_effect= items.param
        stderr.read.return_value = b''
        mock_client.return_value.exec_command.side_effect = (stdin, stdout, stderr)
    
    yield mock_client

@pytest.mark.parametrize(mock_paramiko_ssh_client, [[b'file1', b'/root']], indirect=True)
def test():
result = func()
assert (result == ['file1', '/root']

This seems not to be working obviously. But is there a way to mock the stdout.read() value??