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from import assert_equals
import subprocess
class Connection:
def __init__(self, target_host):
self.target_host = target_host
def run(self, *user_command):
ssh_invocation = ['ssh', self.target_host, '-oVisualHostKey=false']
command = ssh_invocation + list(user_command)
exit_code, stderr, stdout = self._run_command(command)
return self.ExecutionResult(stdout, stderr, exit_code)
def put(self, source_file):
scp_command = ['scp', source_file, self.target_host + ':']
exit_code, stderr, stdout = self._run_command(scp_command)
assert 0 == exit_code
def _run_command(self, command):
process = subprocess.Popen(command, stdout=subprocess.PIPE,
stdout,stderr = process.communicate()
exit_code = process.poll()
return exit_code, stderr, stdout
class ExecutionResult:
def __init__(self, stdout, stderr, exit_code):
self.stdout = stdout
self.stderr = stderr
self.exit_code = exit_code
def assert_no_err(self):
assert_equals('', self.stderr)
def assert_succesful(self):
assert self.exit_code == 0
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