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oliver
bd01440e9d
Drain leftover prompts before Netmiko send_command, and make stop/start tolerate orphan workers and locked log files. Co-authored-by: Cursor <cursoragent@cursor.com>
49 lines
1.9 KiB
Python
49 lines
1.9 KiB
Python
"""Tests for Netmiko show helpers (IOSv leftover-prompt drain / retry)."""
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from __future__ import annotations
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import unittest
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from unittest.mock import MagicMock, call, patch
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from netx_api.ne_netmiko import drain_read_channel, send_show_command
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class DrainReadChannelTests(unittest.TestCase):
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def test_drains_until_idle(self) -> None:
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conn = MagicMock()
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conn.read_channel.side_effect = ["R2#\n", "", "", "", ""]
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out = drain_read_channel(conn, idle_reads=3, pause_sec=0.0)
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self.assertEqual(out, "R2#\n")
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self.assertGreaterEqual(conn.read_channel.call_count, 4)
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def test_clear_buffer_when_no_read_channel(self) -> None:
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conn = MagicMock(spec=["clear_buffer"])
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self.assertEqual(drain_read_channel(conn), "")
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conn.clear_buffer.assert_called_once()
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class SendShowCommandTests(unittest.TestCase):
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@patch("netx_api.ne_netmiko.drain_read_channel")
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def test_returns_first_nonempty_send_command(self, drain: MagicMock) -> None:
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conn = MagicMock()
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conn.send_command.return_value = "*12:00:00 UTC"
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out = send_show_command(conn, "show clock", read_timeout=30)
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self.assertEqual(out, "*12:00:00 UTC")
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conn.send_command.assert_called_once()
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conn.send_command_timing.assert_not_called()
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drain.assert_called()
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@patch("netx_api.ne_netmiko.drain_read_channel")
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def test_retries_then_falls_back_to_timing_when_empty(self, drain: MagicMock) -> None:
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conn = MagicMock()
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conn.send_command.return_value = ""
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conn.send_command_timing.return_value = "Cisco IOS Software"
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out = send_show_command(conn, "show version", read_timeout=30)
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self.assertEqual(out, "Cisco IOS Software")
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self.assertEqual(conn.send_command.call_count, 2)
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conn.send_command_timing.assert_called_once_with("show version", read_timeout=30)
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self.assertGreaterEqual(drain.call_count, 2)
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if __name__ == "__main__":
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unittest.main()
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