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80 lines
2.6 KiB
Python
80 lines
2.6 KiB
Python
"""Tests for the shared ccache policy in esphome.build_helpers.ccache."""
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from __future__ import annotations
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import os
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from pathlib import Path
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from types import SimpleNamespace
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from unittest.mock import patch
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import pytest
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from esphome.build_helpers import ccache
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def test_resolve_opt_out() -> None:
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with patch.dict(os.environ, {"ESPHOME_CCACHE_ENABLE": "0"}):
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assert ccache.resolve_ccache_path() is None
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def test_resolve_no_binary(caplog: pytest.LogCaptureFixture) -> None:
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with (
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patch.dict(os.environ, {}, clear=True),
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patch("shutil.which", return_value=None),
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):
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assert ccache.resolve_ccache_path() is None
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assert "no ccache binary" not in caplog.text
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def test_resolve_probe_failure() -> None:
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with (
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patch.dict(os.environ, {}, clear=True),
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patch("shutil.which", return_value="/usr/bin/ccache"),
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patch(
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"esphome.build_helpers.ccache.subprocess.run", side_effect=OSError("boom")
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),
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):
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assert ccache.resolve_ccache_path() is None
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def test_resolve_explicit_skips_probe_and_warns_missing(
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caplog: pytest.LogCaptureFixture,
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) -> None:
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with (
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patch.dict(os.environ, {"ESPHOME_CCACHE_ENABLE": "1"}, clear=True),
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patch("shutil.which", return_value="/usr/bin/ccache"),
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patch.object(ccache, "_ccache_runs", side_effect=AssertionError),
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):
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assert ccache.resolve_ccache_path() == "/usr/bin/ccache"
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with (
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patch.dict(os.environ, {"ESPHOME_CCACHE_ENABLE": "1"}, clear=True),
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patch("shutil.which", return_value=None),
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):
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assert ccache.resolve_ccache_path() is None
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assert "no ccache binary is on PATH" in caplog.text
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def test_probe_spawns_with_close_fds_false() -> None:
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with patch("esphome.build_helpers.ccache.subprocess.run") as mock_run:
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assert ccache._ccache_runs("/usr/bin/ccache") is True
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assert mock_run.call_args.kwargs["close_fds"] is False
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def test_defaults_env(tmp_path: Path) -> None:
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with (
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patch("esphome.core.CORE", SimpleNamespace(build_path=tmp_path / "b")),
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patch.dict(os.environ, {"CCACHE_NOHASHDIR": "false"}, clear=True),
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):
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env = ccache.ccache_defaults_env(tmp_path / "cache")
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assert env["CCACHE_DIR"] == str(tmp_path / "cache")
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assert env["CCACHE_DEPEND"] == "1"
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assert "CCACHE_NOHASHDIR" not in env # user value respected
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def test_defaults_env_requires_build_path() -> None:
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with (
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patch("esphome.core.CORE", SimpleNamespace(build_path=None)),
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pytest.raises(ValueError, match="build_path"),
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):
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ccache.ccache_defaults_env(Path("/x"))
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