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esphome/tests/script/test_determine_jobs.py

353 lines
12 KiB
Python

"""Unit tests for script/determine-jobs.py module."""
from collections.abc import Generator
import importlib.util
import json
import os
import subprocess
import sys
from unittest.mock import Mock, patch
import pytest
# Add the script directory to Python path so we can import the module
script_dir = os.path.abspath(
os.path.join(os.path.dirname(__file__), "..", "..", "script")
)
sys.path.insert(0, script_dir)
spec = importlib.util.spec_from_file_location(
"determine_jobs", os.path.join(script_dir, "determine-jobs.py")
)
determine_jobs = importlib.util.module_from_spec(spec)
spec.loader.exec_module(determine_jobs)
@pytest.fixture
def mock_should_run_integration_tests() -> Generator[Mock, None, None]:
"""Mock should_run_integration_tests from helpers."""
with patch.object(determine_jobs, "should_run_integration_tests") as mock:
yield mock
@pytest.fixture
def mock_should_run_clang_tidy() -> Generator[Mock, None, None]:
"""Mock should_run_clang_tidy from helpers."""
with patch.object(determine_jobs, "should_run_clang_tidy") as mock:
yield mock
@pytest.fixture
def mock_should_run_clang_format() -> Generator[Mock, None, None]:
"""Mock should_run_clang_format from helpers."""
with patch.object(determine_jobs, "should_run_clang_format") as mock:
yield mock
@pytest.fixture
def mock_should_run_python_linters() -> Generator[Mock, None, None]:
"""Mock should_run_python_linters from helpers."""
with patch.object(determine_jobs, "should_run_python_linters") as mock:
yield mock
@pytest.fixture
def mock_subprocess_run() -> Generator[Mock, None, None]:
"""Mock subprocess.run for list-components.py calls."""
with patch.object(determine_jobs.subprocess, "run") as mock:
yield mock
def test_main_all_tests_should_run(
mock_should_run_integration_tests: Mock,
mock_should_run_clang_tidy: Mock,
mock_should_run_clang_format: Mock,
mock_should_run_python_linters: Mock,
mock_subprocess_run: Mock,
capsys: pytest.CaptureFixture[str],
) -> None:
"""Test when all tests should run."""
mock_should_run_integration_tests.return_value = True
mock_should_run_clang_tidy.return_value = True
mock_should_run_clang_format.return_value = True
mock_should_run_python_linters.return_value = True
# Mock list-components.py output
mock_result = Mock()
mock_result.stdout = "wifi\napi\nsensor\n"
mock_subprocess_run.return_value = mock_result
# Run main function with mocked argv
with patch("sys.argv", ["determine-jobs.py"]):
determine_jobs.main()
# Check output
captured = capsys.readouterr()
output = json.loads(captured.out)
assert output["integration_tests"] is True
assert output["clang_tidy"] is True
assert output["clang_format"] is True
assert output["python_linters"] is True
assert output["changed_components"] == ["wifi", "api", "sensor"]
assert output["component_test_count"] == 3
def test_main_no_tests_should_run(
mock_should_run_integration_tests: Mock,
mock_should_run_clang_tidy: Mock,
mock_should_run_clang_format: Mock,
mock_should_run_python_linters: Mock,
mock_subprocess_run: Mock,
capsys: pytest.CaptureFixture[str],
) -> None:
"""Test when no tests should run."""
mock_should_run_integration_tests.return_value = False
mock_should_run_clang_tidy.return_value = False
mock_should_run_clang_format.return_value = False
mock_should_run_python_linters.return_value = False
# Mock empty list-components.py output
mock_result = Mock()
mock_result.stdout = ""
mock_subprocess_run.return_value = mock_result
# Run main function with mocked argv
with patch("sys.argv", ["determine-jobs.py"]):
determine_jobs.main()
# Check output
captured = capsys.readouterr()
output = json.loads(captured.out)
assert output["integration_tests"] is False
assert output["clang_tidy"] is False
assert output["clang_format"] is False
assert output["python_linters"] is False
assert output["changed_components"] == []
assert output["component_test_count"] == 0
def test_main_list_components_fails(
mock_should_run_integration_tests: Mock,
mock_should_run_clang_tidy: Mock,
mock_should_run_clang_format: Mock,
mock_should_run_python_linters: Mock,
mock_subprocess_run: Mock,
capsys: pytest.CaptureFixture[str],
) -> None:
"""Test when list-components.py fails."""
mock_should_run_integration_tests.return_value = True
mock_should_run_clang_tidy.return_value = True
mock_should_run_clang_format.return_value = True
mock_should_run_python_linters.return_value = True
# Mock list-components.py failure
mock_subprocess_run.side_effect = subprocess.CalledProcessError(1, "cmd")
# Run main function with mocked argv - should raise
with patch("sys.argv", ["determine-jobs.py"]):
with pytest.raises(subprocess.CalledProcessError):
determine_jobs.main()
def test_main_with_branch_argument(
mock_should_run_integration_tests: Mock,
mock_should_run_clang_tidy: Mock,
mock_should_run_clang_format: Mock,
mock_should_run_python_linters: Mock,
mock_subprocess_run: Mock,
capsys: pytest.CaptureFixture[str],
) -> None:
"""Test with branch argument."""
mock_should_run_integration_tests.return_value = False
mock_should_run_clang_tidy.return_value = True
mock_should_run_clang_format.return_value = False
mock_should_run_python_linters.return_value = True
# Mock list-components.py output
mock_result = Mock()
mock_result.stdout = "mqtt\n"
mock_subprocess_run.return_value = mock_result
with patch("sys.argv", ["script.py", "-b", "main"]):
determine_jobs.main()
# Check that functions were called with branch
mock_should_run_integration_tests.assert_called_once_with("main")
mock_should_run_clang_tidy.assert_called_once_with("main")
mock_should_run_clang_format.assert_called_once_with("main")
mock_should_run_python_linters.assert_called_once_with("main")
# Check that list-components.py was called with branch
mock_subprocess_run.assert_called_once()
call_args = mock_subprocess_run.call_args[0][0]
assert "--changed" in call_args
assert "-b" in call_args
assert "main" in call_args
# Check output
captured = capsys.readouterr()
output = json.loads(captured.out)
assert output["integration_tests"] is False
assert output["clang_tidy"] is True
assert output["clang_format"] is False
assert output["python_linters"] is True
assert output["changed_components"] == ["mqtt"]
assert output["component_test_count"] == 1
def test_should_run_integration_tests(
monkeypatch: pytest.MonkeyPatch,
) -> None:
"""Test should_run_integration_tests function."""
# Core C++ files trigger tests
with patch.object(
determine_jobs, "changed_files", return_value=["esphome/core/component.cpp"]
):
result = determine_jobs.should_run_integration_tests()
assert result is True
# Core Python files trigger tests
with patch.object(
determine_jobs, "changed_files", return_value=["esphome/core/config.py"]
):
result = determine_jobs.should_run_integration_tests()
assert result is True
# Python files directly in esphome/ do NOT trigger tests
with patch.object(
determine_jobs, "changed_files", return_value=["esphome/config.py"]
):
result = determine_jobs.should_run_integration_tests()
assert result is False
# Python files in subdirectories (not core) do NOT trigger tests
with patch.object(
determine_jobs,
"changed_files",
return_value=["esphome/dashboard/web_server.py"],
):
result = determine_jobs.should_run_integration_tests()
assert result is False
def test_should_run_integration_tests_with_branch() -> None:
"""Test should_run_integration_tests with branch argument."""
with patch.object(determine_jobs, "changed_files") as mock_changed:
mock_changed.return_value = []
determine_jobs.should_run_integration_tests("release")
mock_changed.assert_called_once_with("release")
def test_should_run_integration_tests_component_dependency() -> None:
"""Test that integration tests run when components used in fixtures change."""
with patch.object(
determine_jobs, "changed_files", return_value=["esphome/components/api/api.cpp"]
):
with patch.object(
determine_jobs, "get_components_from_integration_fixtures"
) as mock_fixtures:
mock_fixtures.return_value = {"api", "sensor"}
with patch.object(determine_jobs, "get_all_dependencies") as mock_deps:
mock_deps.return_value = {"api", "sensor", "network"}
result = determine_jobs.should_run_integration_tests()
assert result is True
@pytest.mark.parametrize(
("check_returncode", "changed_files", "expected_result"),
[
(0, [], True), # Hash changed - need full scan
(1, ["esphome/core.cpp"], True), # C++ file changed
(1, ["README.md"], False), # No C++ files changed
],
)
def test_should_run_clang_tidy(
check_returncode: int,
changed_files: list[str],
expected_result: bool,
) -> None:
"""Test should_run_clang_tidy function."""
with patch.object(determine_jobs, "changed_files", return_value=changed_files):
# Test with hash check returning specific code
with patch("subprocess.run") as mock_run:
mock_run.return_value = Mock(returncode=check_returncode)
result = determine_jobs.should_run_clang_tidy()
assert result == expected_result
# Test with hash check failing (exception)
if check_returncode != 0:
with patch("subprocess.run", side_effect=Exception("Failed")):
result = determine_jobs.should_run_clang_tidy()
assert result is True # Fail safe - run clang-tidy
def test_should_run_clang_tidy_with_branch() -> None:
"""Test should_run_clang_tidy with branch argument."""
with patch.object(determine_jobs, "changed_files") as mock_changed:
mock_changed.return_value = []
with patch("subprocess.run") as mock_run:
mock_run.return_value = Mock(returncode=1) # Hash unchanged
determine_jobs.should_run_clang_tidy("release")
mock_changed.assert_called_once_with("release")
@pytest.mark.parametrize(
("changed_files", "expected_result"),
[
(["esphome/core.py"], True),
(["script/test.py"], True),
(["esphome/test.pyi"], True), # .pyi files should trigger
(["README.md"], False),
([], False),
],
)
def test_should_run_python_linters(
changed_files: list[str], expected_result: bool
) -> None:
"""Test should_run_python_linters function."""
with patch.object(determine_jobs, "changed_files", return_value=changed_files):
result = determine_jobs.should_run_python_linters()
assert result == expected_result
def test_should_run_python_linters_with_branch() -> None:
"""Test should_run_python_linters with branch argument."""
with patch.object(determine_jobs, "changed_files") as mock_changed:
mock_changed.return_value = []
determine_jobs.should_run_python_linters("release")
mock_changed.assert_called_once_with("release")
@pytest.mark.parametrize(
("changed_files", "expected_result"),
[
(["esphome/core.cpp"], True),
(["esphome/core.h"], True),
(["test.hpp"], True),
(["test.cc"], True),
(["test.cxx"], True),
(["test.c"], True),
(["test.tcc"], True),
(["README.md"], False),
([], False),
],
)
def test_should_run_clang_format(
changed_files: list[str], expected_result: bool
) -> None:
"""Test should_run_clang_format function."""
with patch.object(determine_jobs, "changed_files", return_value=changed_files):
result = determine_jobs.should_run_clang_format()
assert result == expected_result
def test_should_run_clang_format_with_branch() -> None:
"""Test should_run_clang_format with branch argument."""
with patch.object(determine_jobs, "changed_files") as mock_changed:
mock_changed.return_value = []
determine_jobs.should_run_clang_format("release")
mock_changed.assert_called_once_with("release")