mirror of
https://github.com/hansjone/netx.git
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oliver
58cdbe6165
Keep the facade for callers, retarget unit-test patches to ne_session_connect, and fix the ConnectHandler coverage case to use a non-Cisco device type. Co-authored-by: Cursor <cursoragent@cursor.com>
208 lines
7.8 KiB
Python
208 lines
7.8 KiB
Python
from __future__ import annotations
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import unittest
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from unittest.mock import MagicMock, patch
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from netx_api.ne_session_factory import (
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bastion_ssh_cli,
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default_bastion_username_template,
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open_netmiko_connection,
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render_hop_command,
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resolve_bastion_ssh_username,
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)
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class BastionTemplateTests(unittest.TestCase):
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def test_default_bastion_username_template(self) -> None:
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self.assertEqual(
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default_bastion_username_template(),
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"{hop_user}@{target_user}@{target_ip}",
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)
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def test_render_bastion_composite_username(self) -> None:
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creds = {
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"hop_vendor": "bastion",
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"hop_username": "bastion-user",
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"hop_host": "1.1.1.1",
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"username": "target-user",
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"ip_address": "2.2.2.2",
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"hop_protocol": "ssh",
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"hop_vrf": "",
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}
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out = render_hop_command("", creds)
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self.assertEqual(out, "bastion-user@target-user@2.2.2.2")
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def test_render_custom_bastion_template(self) -> None:
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creds = {
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"hop_vendor": "bastion",
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"hop_username": "admin",
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"hop_host": "1.2.3.4",
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"username": "root",
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"ip_address": "5.6.7.8",
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"hop_command_template": "{hop_user}#{target_user}@{target_ip}",
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"hop_protocol": "ssh",
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"hop_vrf": "",
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}
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out = render_hop_command(creds["hop_command_template"], creds)
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self.assertEqual(out, "admin#root@5.6.7.8")
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def test_resolve_strips_legacy_hop_host_suffix(self) -> None:
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self.assertEqual(
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resolve_bastion_ssh_username("ZTE-FIVIE@ca-admin@114.1.198.1@10.34.145.25", "10.34.145.25"),
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"ZTE-FIVIE@ca-admin@114.1.198.1",
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)
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def test_resolve_keeps_username_without_hop_host_suffix(self) -> None:
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self.assertEqual(
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resolve_bastion_ssh_username("ZTE-FIVIE@ca-admin@114.1.198.1", "10.34.145.25"),
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"ZTE-FIVIE@ca-admin@114.1.198.1",
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)
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def test_bastion_ssh_cli(self) -> None:
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self.assertEqual(
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bastion_ssh_cli("ZTE-FIVIE@ca-admin@114.1.198.1", "10.34.145.25"),
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"ssh ZTE-FIVIE@ca-admin@114.1.198.1@10.34.145.25",
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)
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def test_netmiko_driver_class_resolves_zte(self) -> None:
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from netmiko.zte.zte_zxros import ZteZxrosSSH
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from netx_api.ne_session_factory import _netmiko_driver_class
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self.assertIs(_netmiko_driver_class("zte_zxros_ssh"), ZteZxrosSSH)
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class BastionConnectRoutingTests(unittest.TestCase):
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@patch("netx_api.ne_session_connect._connect_via_bastion")
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@patch("netx_api.ne_session_connect._connect_direct")
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def test_open_routes_to_bastion_when_enabled(self, direct, bastion) -> None:
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bastion.return_value = MagicMock()
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creds = {"hop_enabled": True, "hop_vendor": "bastion"}
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open_netmiko_connection(creds)
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bastion.assert_called_once()
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direct.assert_not_called()
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@patch("netx_api.ne_session_connect._connect_via_bastion")
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@patch("netx_api.ne_session_connect._connect_via_linux_hop")
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def test_open_routes_linux_not_bastion(self, linux, bastion) -> None:
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linux.return_value = MagicMock()
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creds = {"hop_enabled": True, "hop_vendor": "linux"}
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open_netmiko_connection(creds)
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linux.assert_called_once()
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bastion.assert_not_called()
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class BastionConnectImplTests(unittest.TestCase):
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@patch("netx_api.ne_session_connect._netmiko_over_ssh_client")
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@patch("netx_api.ne_session_connect._bastion_ssh_connect")
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def test_bastion_managed_skips_secondary_auth(self, bastion_ssh, netmiko_wrap) -> None:
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from netx_api.ne_session_factory import _connect_via_bastion
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ssh_client = MagicMock()
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bastion_ssh.return_value = ssh_client
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conn = MagicMock()
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netmiko_wrap.return_value = conn
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creds = {
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"hop_host": "1.1.1.1",
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"hop_username": "bastion-user",
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"hop_password": "vault-pass",
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"hop_port": 22,
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"device_type": "zte_zxros",
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"protocol": "ssh",
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"username": "target-user",
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"ip_address": "2.2.2.2",
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"password": "",
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"hop_target_auth_mode": "bastion_managed",
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"hop_vendor": "bastion",
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"hop_protocol": "ssh",
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"hop_vrf": "",
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}
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_connect_via_bastion(creds)
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bastion_ssh.assert_called_once_with(
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host="1.1.1.1",
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port=22,
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username="bastion-user@target-user@2.2.2.2",
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password="vault-pass",
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timeout=unittest.mock.ANY,
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)
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netmiko_wrap.assert_called_once()
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wrap_kwargs = netmiko_wrap.call_args.kwargs
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self.assertEqual(wrap_kwargs["host"], "1.1.1.1")
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self.assertEqual(wrap_kwargs["username"], "bastion-user@target-user@2.2.2.2")
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self.assertEqual(wrap_kwargs["password"], "vault-pass")
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conn.disconnect.assert_not_called()
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@patch("netx_api.ne_session_connect._interactive_target_auth")
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@patch("netx_api.ne_session_connect._read_channel")
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@patch("netx_api.ne_session_connect._netmiko_over_ssh_client")
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@patch("netx_api.ne_session_connect._bastion_ssh_connect")
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def test_bastion_manual_invokes_secondary_auth(
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self, bastion_ssh, netmiko_wrap, _read, interact
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) -> None:
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from netx_api.ne_session_factory import _connect_via_bastion
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bastion_ssh.return_value = MagicMock()
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conn = MagicMock()
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netmiko_wrap.return_value = conn
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creds = {
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"hop_host": "10.0.0.1",
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"hop_username": "bastion-user",
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"hop_password": "bastion-pass",
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"hop_port": 2222,
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"device_type": "cisco_ios",
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"protocol": "ssh",
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"username": "target-user",
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"ip_address": "10.0.0.2",
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"password": "target-pass",
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"hop_target_auth_mode": "manual",
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"hop_vendor": "bastion",
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"hop_protocol": "ssh",
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"hop_vrf": "",
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"hop_command_template": "{hop_user}@{target_user}@{target_ip}@{hop_host}",
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}
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_connect_via_bastion(creds)
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bastion_ssh.assert_called_once_with(
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host="10.0.0.1",
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port=2222,
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username="bastion-user@target-user@10.0.0.2",
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password="bastion-pass",
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timeout=unittest.mock.ANY,
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)
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interact.assert_called_once_with(conn, "target-user", "target-pass")
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class BastionInteractiveHandlerTests(unittest.TestCase):
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def test_replies_to_vault_password_prompt(self) -> None:
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from netx_api.ne_session_factory import _bastion_interactive_handler
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handler, _prompts = _bastion_interactive_handler("vault-secret")
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out = handler(
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"Login",
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"",
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[("(ZTE-TSM@user@1.1.1.1@2.2.2.2) Vault Password:", False)],
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)
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self.assertEqual(out, ["vault-secret"])
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def test_replies_to_all_fields(self) -> None:
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from netx_api.ne_session_factory import _bastion_interactive_handler
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handler, _prompts = _bastion_interactive_handler("vault-secret")
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out = handler("Login", "", [("Enter code:", False), ("Confirm:", False)])
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self.assertEqual(out, ["vault-secret", "vault-secret"])
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def test_empty_prompt_list_returns_empty(self) -> None:
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from netx_api.ne_session_factory import _bastion_interactive_handler
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handler, _prompts = _bastion_interactive_handler("vault-secret")
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self.assertEqual(handler("Login", "", []), [])
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def test_records_prompts_for_diagnostics(self) -> None:
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from netx_api.ne_session_factory import _bastion_interactive_handler
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handler, prompts = _bastion_interactive_handler("vault-secret")
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handler("Login", "", [("Vault Password:", False)])
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self.assertEqual(prompts, ["Vault Password:"])
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if __name__ == "__main__":
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unittest.main()
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