72 lines
2.3 KiB
Python
72 lines
2.3 KiB
Python
"""Unit: image_id / tag / push helpers in
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bot_bottle.backend.docker.util (PRD 0023 chunk 4c additions).
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Tests mock `subprocess.run` and assert on argv shape + parsing.
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The actual docker round-trip is covered by the chunk 4c
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integration smoke."""
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from __future__ import annotations
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import subprocess
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import unittest
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from unittest.mock import patch
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from bot_bottle.backend.docker import util as docker_mod
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def _ok(stdout: str = "", stderr: str = "") -> subprocess.CompletedProcess: # type: ignore
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return subprocess.CompletedProcess(
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args=[], returncode=0, stdout=stdout, stderr=stderr,
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)
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def _fail(stderr: str = "boom") -> subprocess.CompletedProcess: # type: ignore
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return subprocess.CompletedProcess(
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args=[], returncode=1, stdout="", stderr=stderr,
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)
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class TestImageId(unittest.TestCase):
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def test_strips_trailing_newline(self):
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# docker image inspect --format ... emits a trailing newline.
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with patch.object(
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docker_mod.subprocess, "run",
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return_value=_ok(stdout="sha256:abcdef\n"),
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) as run:
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self.assertEqual(
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"sha256:abcdef", docker_mod.image_id("bot-bottle-claude:latest")
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)
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argv = run.call_args.args[0]
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self.assertEqual(
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["docker", "image", "inspect", "--format", "{{.Id}}", "bot-bottle-claude:latest"],
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argv,
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)
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def test_dies_on_inspect_failure(self):
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with patch.object(
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docker_mod.subprocess, "run", return_value=_fail("No such image"),
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), patch.object(
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docker_mod, "die", side_effect=SystemExit("die"),
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) as die:
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with self.assertRaises(SystemExit):
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docker_mod.image_id("missing:tag")
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die.assert_called_once()
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self.assertIn("missing:tag", die.call_args.args[0])
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class TestSave(unittest.TestCase):
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def test_save_runs_docker_save(self):
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with patch.object(
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docker_mod.subprocess, "run", return_value=_ok(),
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) as run:
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docker_mod.save("bot-bottle-claude:latest", "/tmp/img.tar")
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argv = run.call_args.args[0]
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self.assertEqual(
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["docker", "save", "bot-bottle-claude:latest", "-o", "/tmp/img.tar"],
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argv,
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)
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if __name__ == "__main__":
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unittest.main()
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