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esphome/tests/script/test_determine_jobs.py

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42 KiB
Python

"""Unit tests for script/determine-jobs.py module."""
from collections.abc import Generator
import importlib.util
import json
import os
from pathlib import Path
import sys
from unittest.mock import Mock, call, 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)
# Import helpers module for patching
import helpers # noqa: E402
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_determine_cpp_unit_tests() -> Generator[Mock, None, None]:
"""Mock determine_cpp_unit_tests from helpers."""
with patch.object(determine_jobs, "determine_cpp_unit_tests") as mock:
yield mock
@pytest.fixture
def mock_changed_files() -> Generator[Mock, None, None]:
"""Mock changed_files for memory impact detection."""
with patch.object(determine_jobs, "changed_files") as mock:
# Default to empty list
mock.return_value = []
yield mock
@pytest.fixture(autouse=True)
def clear_clang_tidy_cache() -> None:
"""Clear the clang-tidy full scan cache before each test."""
determine_jobs._is_clang_tidy_full_scan.cache_clear()
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_changed_files: Mock,
mock_determine_cpp_unit_tests: Mock,
capsys: pytest.CaptureFixture[str],
monkeypatch: pytest.MonkeyPatch,
) -> None:
"""Test when all tests should run."""
# Ensure we're not in GITHUB_ACTIONS mode for this test
monkeypatch.delenv("GITHUB_ACTIONS", raising=False)
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_determine_cpp_unit_tests.return_value = (False, ["wifi", "api", "sensor"])
# Mock changed_files to return non-component files (to avoid memory impact)
# Memory impact only runs when component C++ files change
mock_changed_files.return_value = [
"esphome/config.py",
"esphome/helpers.py",
]
# Run main function with mocked argv
with (
patch("sys.argv", ["determine-jobs.py"]),
patch.object(determine_jobs, "_is_clang_tidy_full_scan", return_value=False),
patch.object(
determine_jobs,
"get_changed_components",
return_value=["wifi", "api", "sensor"],
),
patch.object(
determine_jobs,
"filter_component_and_test_files",
side_effect=lambda f: f.startswith("esphome/components/"),
),
patch.object(
determine_jobs,
"get_components_with_dependencies",
side_effect=lambda files, deps: (
["wifi", "api"] if not deps else ["wifi", "api", "sensor"]
),
),
):
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_tidy_mode"] in ["nosplit", "split"]
assert output["clang_format"] is True
assert output["python_linters"] is True
assert output["changed_components"] == ["wifi", "api", "sensor"]
# changed_components_with_tests will only include components that actually have test files
assert "changed_components_with_tests" in output
assert isinstance(output["changed_components_with_tests"], list)
# component_test_count matches number of components with tests
assert output["component_test_count"] == len(
output["changed_components_with_tests"]
)
# changed_cpp_file_count should be present
assert "changed_cpp_file_count" in output
assert isinstance(output["changed_cpp_file_count"], int)
# memory_impact should be false (no component C++ files changed)
assert "memory_impact" in output
assert output["memory_impact"]["should_run"] == "false"
assert output["cpp_unit_tests_run_all"] is False
assert output["cpp_unit_tests_components"] == ["wifi", "api", "sensor"]
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_changed_files: Mock,
mock_determine_cpp_unit_tests: Mock,
capsys: pytest.CaptureFixture[str],
monkeypatch: pytest.MonkeyPatch,
) -> None:
"""Test when no tests should run."""
# Ensure we're not in GITHUB_ACTIONS mode for this test
monkeypatch.delenv("GITHUB_ACTIONS", raising=False)
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_determine_cpp_unit_tests.return_value = (False, [])
# Mock changed_files to return no component files
mock_changed_files.return_value = []
# Run main function with mocked argv
with (
patch("sys.argv", ["determine-jobs.py"]),
patch.object(determine_jobs, "get_changed_components", return_value=[]),
patch.object(
determine_jobs, "filter_component_and_test_files", return_value=False
),
patch.object(
determine_jobs, "get_components_with_dependencies", return_value=[]
),
):
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_tidy_mode"] == "disabled"
assert output["clang_format"] is False
assert output["python_linters"] is False
assert output["changed_components"] == []
assert output["changed_components_with_tests"] == []
assert output["component_test_count"] == 0
# changed_cpp_file_count should be 0
assert output["changed_cpp_file_count"] == 0
# memory_impact should be present
assert "memory_impact" in output
assert output["memory_impact"]["should_run"] == "false"
assert output["cpp_unit_tests_run_all"] is False
assert output["cpp_unit_tests_components"] == []
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_changed_files: Mock,
mock_determine_cpp_unit_tests: Mock,
capsys: pytest.CaptureFixture[str],
monkeypatch: pytest.MonkeyPatch,
) -> None:
"""Test with branch argument."""
# Ensure we're not in GITHUB_ACTIONS mode for this test
monkeypatch.delenv("GITHUB_ACTIONS", raising=False)
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_determine_cpp_unit_tests.return_value = (False, ["mqtt"])
# Mock changed_files to return non-component files (to avoid memory impact)
# Memory impact only runs when component C++ files change
mock_changed_files.return_value = ["esphome/config.py"]
with (
patch("sys.argv", ["script.py", "-b", "main"]),
patch.object(determine_jobs, "_is_clang_tidy_full_scan", return_value=False),
patch.object(determine_jobs, "get_changed_components", return_value=["mqtt"]),
patch.object(
determine_jobs,
"filter_component_and_test_files",
side_effect=lambda f: f.startswith("esphome/components/"),
),
patch.object(
determine_jobs, "get_components_with_dependencies", return_value=["mqtt"]
),
):
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 output
captured = capsys.readouterr()
output = json.loads(captured.out)
assert output["integration_tests"] is False
assert output["clang_tidy"] is True
assert output["clang_tidy_mode"] in ["nosplit", "split"]
assert output["clang_format"] is False
assert output["python_linters"] is True
assert output["changed_components"] == ["mqtt"]
# changed_components_with_tests will only include components that actually have test files
assert "changed_components_with_tests" in output
assert isinstance(output["changed_components_with_tests"], list)
# component_test_count matches number of components with tests
assert output["component_test_count"] == len(
output["changed_components_with_tests"]
)
# changed_cpp_file_count should be present
assert "changed_cpp_file_count" in output
assert isinstance(output["changed_cpp_file_count"], int)
# memory_impact should be false (no component C++ files changed)
assert "memory_impact" in output
assert output["memory_impact"]["should_run"] == "false"
assert output["cpp_unit_tests_run_all"] is False
assert output["cpp_unit_tests_components"] == ["mqtt"]
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"],
),
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
(1, [".clang-tidy.hash"], True), # Hash file itself changed
(1, ["platformio.ini", ".clang-tidy.hash"], True), # Config + hash 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),
patch("subprocess.run") as mock_run,
):
# Test with hash check returning specific code
mock_run.return_value = Mock(returncode=check_returncode)
result = determine_jobs.should_run_clang_tidy()
assert result == expected_result
def test_should_run_clang_tidy_hash_check_exception() -> None:
"""Test should_run_clang_tidy when hash check fails with exception."""
# When hash check fails, clang-tidy should run as a safety measure
with (
patch.object(determine_jobs, "changed_files", return_value=["README.md"]),
patch("subprocess.run", side_effect=Exception("Hash check 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")
# Changed files is called twice now - once for hash check, once for .clang-tidy.hash check
assert mock_changed.call_count == 2
mock_changed.assert_has_calls([call("release"), call("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")
@pytest.mark.parametrize(
("changed_files", "expected_count"),
[
(["esphome/core.cpp"], 1),
(["esphome/core.h"], 1),
(["test.hpp"], 1),
(["test.cc"], 1),
(["test.cxx"], 1),
(["test.c"], 1),
(["test.tcc"], 1),
(["esphome/core.cpp", "esphome/core.h"], 2),
(["esphome/core.cpp", "esphome/core.h", "test.cc"], 3),
(["README.md"], 0),
(["esphome/config.py"], 0),
(["README.md", "esphome/config.py"], 0),
(["esphome/core.cpp", "README.md", "esphome/config.py"], 1),
([], 0),
],
)
def test_count_changed_cpp_files(changed_files: list[str], expected_count: int) -> None:
"""Test count_changed_cpp_files function."""
with patch.object(determine_jobs, "changed_files", return_value=changed_files):
result = determine_jobs.count_changed_cpp_files()
assert result == expected_count
def test_count_changed_cpp_files_with_branch() -> None:
"""Test count_changed_cpp_files with branch argument."""
with patch.object(determine_jobs, "changed_files") as mock_changed:
mock_changed.return_value = []
determine_jobs.count_changed_cpp_files("release")
mock_changed.assert_called_once_with("release")
def test_main_filters_components_without_tests(
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_changed_files: Mock,
capsys: pytest.CaptureFixture[str],
tmp_path: Path,
monkeypatch: pytest.MonkeyPatch,
) -> None:
"""Test that components without test files are filtered out."""
# Ensure we're not in GITHUB_ACTIONS mode for this test
monkeypatch.delenv("GITHUB_ACTIONS", raising=False)
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 changed_files to return component files
mock_changed_files.return_value = [
"esphome/components/wifi/wifi.cpp",
"esphome/components/sensor/sensor.h",
]
# Create test directory structure
tests_dir = tmp_path / "tests" / "components"
# wifi has tests
wifi_dir = tests_dir / "wifi"
wifi_dir.mkdir(parents=True)
(wifi_dir / "test.esp32.yaml").write_text("test: config")
# sensor has tests
sensor_dir = tests_dir / "sensor"
sensor_dir.mkdir(parents=True)
(sensor_dir / "test.esp8266.yaml").write_text("test: config")
# airthings_ble exists but has no test files
airthings_dir = tests_dir / "airthings_ble"
airthings_dir.mkdir(parents=True)
# Mock root_path to use tmp_path (need to patch both determine_jobs and helpers)
with (
patch.object(determine_jobs, "root_path", str(tmp_path)),
patch.object(helpers, "root_path", str(tmp_path)),
patch("sys.argv", ["determine-jobs.py"]),
patch.object(
determine_jobs,
"get_changed_components",
return_value=["wifi", "sensor", "airthings_ble"],
),
patch.object(
determine_jobs,
"filter_component_and_test_files",
side_effect=lambda f: f.startswith("esphome/components/"),
),
patch.object(
determine_jobs,
"get_components_with_dependencies",
side_effect=lambda files, deps: (
["wifi", "sensor"] if not deps else ["wifi", "sensor", "airthings_ble"]
),
),
patch.object(determine_jobs, "changed_files", return_value=[]),
):
# Clear the cache since we're mocking root_path
determine_jobs._component_has_tests.cache_clear()
determine_jobs.main()
# Check output
captured = capsys.readouterr()
output = json.loads(captured.out)
# changed_components should have all components
assert set(output["changed_components"]) == {"wifi", "sensor", "airthings_ble"}
# changed_components_with_tests should only have components with test files
assert set(output["changed_components_with_tests"]) == {"wifi", "sensor"}
# component_test_count should be based on components with tests
assert output["component_test_count"] == 2
# changed_cpp_file_count should be present
assert "changed_cpp_file_count" in output
assert isinstance(output["changed_cpp_file_count"], int)
# memory_impact should be present
assert "memory_impact" in output
assert output["memory_impact"]["should_run"] == "false"
def test_main_detects_components_with_variant_tests(
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_changed_files: Mock,
capsys: pytest.CaptureFixture[str],
tmp_path: Path,
monkeypatch: pytest.MonkeyPatch,
) -> None:
"""Test that components with only variant test files (test-*.yaml) are detected.
This test verifies the fix for components like improv_serial, ethernet, mdns,
improv_base, and safe_mode which only have variant test files (test-*.yaml)
instead of base test files (test.*.yaml).
"""
# Ensure we're not in GITHUB_ACTIONS mode for this test
monkeypatch.delenv("GITHUB_ACTIONS", raising=False)
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 changed_files to return component files
mock_changed_files.return_value = [
"esphome/components/improv_serial/improv_serial.cpp",
"esphome/components/ethernet/ethernet.cpp",
"esphome/components/no_tests/component.cpp",
]
# Create test directory structure
tests_dir = tmp_path / "tests" / "components"
# improv_serial has only variant tests (like the real component)
improv_serial_dir = tests_dir / "improv_serial"
improv_serial_dir.mkdir(parents=True)
(improv_serial_dir / "test-uart0.esp32-idf.yaml").write_text("test: config")
(improv_serial_dir / "test-uart0.esp8266-ard.yaml").write_text("test: config")
(improv_serial_dir / "test-usb_cdc.esp32-s2-idf.yaml").write_text("test: config")
# ethernet also has only variant tests
ethernet_dir = tests_dir / "ethernet"
ethernet_dir.mkdir(parents=True)
(ethernet_dir / "test-manual_ip.esp32-idf.yaml").write_text("test: config")
(ethernet_dir / "test-dhcp.esp32-idf.yaml").write_text("test: config")
# no_tests component has no test files at all
no_tests_dir = tests_dir / "no_tests"
no_tests_dir.mkdir(parents=True)
# Mock root_path to use tmp_path (need to patch both determine_jobs and helpers)
with (
patch.object(determine_jobs, "root_path", str(tmp_path)),
patch.object(helpers, "root_path", str(tmp_path)),
patch("sys.argv", ["determine-jobs.py"]),
patch.object(
determine_jobs,
"get_changed_components",
return_value=["improv_serial", "ethernet", "no_tests"],
),
patch.object(
determine_jobs,
"filter_component_and_test_files",
side_effect=lambda f: f.startswith("esphome/components/"),
),
patch.object(
determine_jobs,
"get_components_with_dependencies",
side_effect=lambda files, deps: (
["improv_serial", "ethernet"]
if not deps
else ["improv_serial", "ethernet", "no_tests"]
),
),
patch.object(determine_jobs, "changed_files", return_value=[]),
):
# Clear the cache since we're mocking root_path
determine_jobs._component_has_tests.cache_clear()
determine_jobs.main()
# Check output
captured = capsys.readouterr()
output = json.loads(captured.out)
# changed_components should have all components
assert set(output["changed_components"]) == {
"improv_serial",
"ethernet",
"no_tests",
}
# changed_components_with_tests should include components with variant tests
assert set(output["changed_components_with_tests"]) == {"improv_serial", "ethernet"}
# component_test_count should be 2 (improv_serial and ethernet)
assert output["component_test_count"] == 2
# no_tests should be excluded since it has no test files
assert "no_tests" not in output["changed_components_with_tests"]
# Tests for detect_memory_impact_config function
def test_detect_memory_impact_config_with_common_platform(tmp_path: Path) -> None:
"""Test memory impact detection when components share a common platform."""
# Create test directory structure
tests_dir = tmp_path / "tests" / "components"
# wifi component with esp32-idf test
wifi_dir = tests_dir / "wifi"
wifi_dir.mkdir(parents=True)
(wifi_dir / "test.esp32-idf.yaml").write_text("test: wifi")
# api component with esp32-idf test
api_dir = tests_dir / "api"
api_dir.mkdir(parents=True)
(api_dir / "test.esp32-idf.yaml").write_text("test: api")
# Mock changed_files to return wifi and api component changes
with (
patch.object(determine_jobs, "root_path", str(tmp_path)),
patch.object(helpers, "root_path", str(tmp_path)),
patch.object(determine_jobs, "changed_files") as mock_changed_files,
):
mock_changed_files.return_value = [
"esphome/components/wifi/wifi.cpp",
"esphome/components/api/api.cpp",
]
determine_jobs._component_has_tests.cache_clear()
result = determine_jobs.detect_memory_impact_config()
assert result["should_run"] == "true"
assert set(result["components"]) == {"wifi", "api"}
assert result["platform"] == "esp32-idf" # Common platform
assert result["use_merged_config"] == "true"
def test_detect_memory_impact_config_core_only_changes(tmp_path: Path) -> None:
"""Test memory impact detection with core C++ changes (no component changes)."""
# Create test directory structure with fallback component
tests_dir = tmp_path / "tests" / "components"
# api component (fallback component) with esp32-idf test
api_dir = tests_dir / "api"
api_dir.mkdir(parents=True)
(api_dir / "test.esp32-idf.yaml").write_text("test: api")
# Mock changed_files to return only core C++ files (no component files)
with (
patch.object(determine_jobs, "root_path", str(tmp_path)),
patch.object(helpers, "root_path", str(tmp_path)),
patch.object(determine_jobs, "changed_files") as mock_changed_files,
):
mock_changed_files.return_value = [
"esphome/core/application.cpp",
"esphome/core/component.h",
]
determine_jobs._component_has_tests.cache_clear()
result = determine_jobs.detect_memory_impact_config()
assert result["should_run"] == "true"
assert result["components"] == ["api"] # Fallback component
assert result["platform"] == "esp32-idf" # Fallback platform
assert result["use_merged_config"] == "true"
def test_detect_memory_impact_config_core_python_only_changes(tmp_path: Path) -> None:
"""Test that Python-only core changes don't trigger memory impact analysis."""
# Create test directory structure with fallback component
tests_dir = tmp_path / "tests" / "components"
# api component (fallback component) with esp32-idf test
api_dir = tests_dir / "api"
api_dir.mkdir(parents=True)
(api_dir / "test.esp32-idf.yaml").write_text("test: api")
# Mock changed_files to return only core Python files (no C++ files)
with (
patch.object(determine_jobs, "root_path", str(tmp_path)),
patch.object(helpers, "root_path", str(tmp_path)),
patch.object(determine_jobs, "changed_files") as mock_changed_files,
):
mock_changed_files.return_value = [
"esphome/__main__.py",
"esphome/config.py",
"esphome/core/config.py",
]
determine_jobs._component_has_tests.cache_clear()
result = determine_jobs.detect_memory_impact_config()
# Python-only changes should NOT trigger memory impact analysis
assert result["should_run"] == "false"
def test_detect_memory_impact_config_no_common_platform(tmp_path: Path) -> None:
"""Test memory impact detection when components have no common platform."""
# Create test directory structure
tests_dir = tmp_path / "tests" / "components"
# wifi component only has esp32-idf test
wifi_dir = tests_dir / "wifi"
wifi_dir.mkdir(parents=True)
(wifi_dir / "test.esp32-idf.yaml").write_text("test: wifi")
# logger component only has esp8266-ard test
logger_dir = tests_dir / "logger"
logger_dir.mkdir(parents=True)
(logger_dir / "test.esp8266-ard.yaml").write_text("test: logger")
# Mock changed_files to return both components
with (
patch.object(determine_jobs, "root_path", str(tmp_path)),
patch.object(helpers, "root_path", str(tmp_path)),
patch.object(determine_jobs, "changed_files") as mock_changed_files,
):
mock_changed_files.return_value = [
"esphome/components/wifi/wifi.cpp",
"esphome/components/logger/logger.cpp",
]
determine_jobs._component_has_tests.cache_clear()
result = determine_jobs.detect_memory_impact_config()
# Should pick the most frequently supported platform
assert result["should_run"] == "true"
assert set(result["components"]) == {"wifi", "logger"}
# When no common platform, picks most commonly supported
# esp8266-ard is preferred over esp32-idf in the preference list
assert result["platform"] in ["esp32-idf", "esp8266-ard"]
assert result["use_merged_config"] == "true"
def test_detect_memory_impact_config_no_changes(tmp_path: Path) -> None:
"""Test memory impact detection when no files changed."""
# Mock changed_files to return empty list
with (
patch.object(determine_jobs, "root_path", str(tmp_path)),
patch.object(helpers, "root_path", str(tmp_path)),
patch.object(determine_jobs, "changed_files") as mock_changed_files,
):
mock_changed_files.return_value = []
determine_jobs._component_has_tests.cache_clear()
result = determine_jobs.detect_memory_impact_config()
assert result["should_run"] == "false"
def test_detect_memory_impact_config_no_components_with_tests(tmp_path: Path) -> None:
"""Test memory impact detection when changed components have no tests."""
# Create test directory structure
tests_dir = tmp_path / "tests" / "components"
# Create component directory but no test files
custom_component_dir = tests_dir / "my_custom_component"
custom_component_dir.mkdir(parents=True)
# Mock changed_files to return component without tests
with (
patch.object(determine_jobs, "root_path", str(tmp_path)),
patch.object(helpers, "root_path", str(tmp_path)),
patch.object(determine_jobs, "changed_files") as mock_changed_files,
):
mock_changed_files.return_value = [
"esphome/components/my_custom_component/component.cpp",
]
determine_jobs._component_has_tests.cache_clear()
result = determine_jobs.detect_memory_impact_config()
assert result["should_run"] == "false"
def test_detect_memory_impact_config_skips_base_bus_components(tmp_path: Path) -> None:
"""Test that base bus components (i2c, spi, uart) are skipped."""
# Create test directory structure
tests_dir = tmp_path / "tests" / "components"
# i2c component (should be skipped as it's a base bus component)
i2c_dir = tests_dir / "i2c"
i2c_dir.mkdir(parents=True)
(i2c_dir / "test.esp32-idf.yaml").write_text("test: i2c")
# wifi component (should not be skipped)
wifi_dir = tests_dir / "wifi"
wifi_dir.mkdir(parents=True)
(wifi_dir / "test.esp32-idf.yaml").write_text("test: wifi")
# Mock changed_files to return both i2c and wifi
with (
patch.object(determine_jobs, "root_path", str(tmp_path)),
patch.object(helpers, "root_path", str(tmp_path)),
patch.object(determine_jobs, "changed_files") as mock_changed_files,
):
mock_changed_files.return_value = [
"esphome/components/i2c/i2c.cpp",
"esphome/components/wifi/wifi.cpp",
]
determine_jobs._component_has_tests.cache_clear()
result = determine_jobs.detect_memory_impact_config()
# Should only include wifi, not i2c
assert result["should_run"] == "true"
assert result["components"] == ["wifi"]
assert "i2c" not in result["components"]
def test_detect_memory_impact_config_with_variant_tests(tmp_path: Path) -> None:
"""Test memory impact detection for components with only variant test files.
This verifies that memory impact analysis works correctly for components like
improv_serial, ethernet, mdns, etc. which only have variant test files
(test-*.yaml) instead of base test files (test.*.yaml).
"""
# Create test directory structure
tests_dir = tmp_path / "tests" / "components"
# improv_serial with only variant tests
improv_serial_dir = tests_dir / "improv_serial"
improv_serial_dir.mkdir(parents=True)
(improv_serial_dir / "test-uart0.esp32-idf.yaml").write_text("test: improv")
(improv_serial_dir / "test-uart0.esp8266-ard.yaml").write_text("test: improv")
(improv_serial_dir / "test-usb_cdc.esp32-s2-idf.yaml").write_text("test: improv")
# ethernet with only variant tests
ethernet_dir = tests_dir / "ethernet"
ethernet_dir.mkdir(parents=True)
(ethernet_dir / "test-manual_ip.esp32-idf.yaml").write_text("test: ethernet")
(ethernet_dir / "test-dhcp.esp32-c3-idf.yaml").write_text("test: ethernet")
# Mock changed_files to return both components
with (
patch.object(determine_jobs, "root_path", str(tmp_path)),
patch.object(helpers, "root_path", str(tmp_path)),
patch.object(determine_jobs, "changed_files") as mock_changed_files,
):
mock_changed_files.return_value = [
"esphome/components/improv_serial/improv_serial.cpp",
"esphome/components/ethernet/ethernet.cpp",
]
determine_jobs._component_has_tests.cache_clear()
result = determine_jobs.detect_memory_impact_config()
# Should detect both components even though they only have variant tests
assert result["should_run"] == "true"
assert set(result["components"]) == {"improv_serial", "ethernet"}
# Both components support esp32-idf
assert result["platform"] == "esp32-idf"
assert result["use_merged_config"] == "true"
# Tests for clang-tidy split mode logic
def test_clang_tidy_mode_full_scan(
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_changed_files: Mock,
capsys: pytest.CaptureFixture[str],
monkeypatch: pytest.MonkeyPatch,
) -> None:
"""Test that full scan (hash changed) always uses split mode."""
monkeypatch.delenv("GITHUB_ACTIONS", raising=False)
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 = False
# Mock changed_files to return no component files
mock_changed_files.return_value = []
# Mock full scan (hash changed)
with (
patch("sys.argv", ["determine-jobs.py"]),
patch.object(determine_jobs, "_is_clang_tidy_full_scan", return_value=True),
patch.object(determine_jobs, "get_changed_components", return_value=[]),
patch.object(
determine_jobs, "filter_component_and_test_files", return_value=False
),
patch.object(
determine_jobs, "get_components_with_dependencies", return_value=[]
),
):
determine_jobs.main()
captured = capsys.readouterr()
output = json.loads(captured.out)
# Full scan should always use split mode
assert output["clang_tidy_mode"] == "split"
@pytest.mark.parametrize(
("component_count", "files_per_component", "expected_mode"),
[
# Small PR: 5 files in 1 component -> nosplit
(1, 5, "nosplit"),
# Medium PR: 30 files in 2 components -> nosplit
(2, 15, "nosplit"),
# Medium PR: 64 files total -> nosplit (just under threshold)
(2, 32, "nosplit"),
# Large PR: 65 files total -> split (at threshold)
(2, 33, "split"), # 2 * 33 = 66 files
# Large PR: 100 files in 10 components -> split
(10, 10, "split"),
],
ids=[
"1_comp_5_files_nosplit",
"2_comp_30_files_nosplit",
"2_comp_64_files_nosplit_under_threshold",
"2_comp_66_files_split_at_threshold",
"10_comp_100_files_split",
],
)
def test_clang_tidy_mode_targeted_scan(
component_count: int,
files_per_component: int,
expected_mode: str,
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_changed_files: Mock,
capsys: pytest.CaptureFixture[str],
monkeypatch: pytest.MonkeyPatch,
) -> None:
"""Test clang-tidy mode selection based on files_to_check count."""
monkeypatch.delenv("GITHUB_ACTIONS", raising=False)
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 = False
# Create component names
components = [f"comp{i}" for i in range(component_count)]
# Mock changed_files to return component files
mock_changed_files.return_value = [
f"esphome/components/{comp}/file.cpp" for comp in components
]
# Mock git_ls_files to return files for each component
cpp_files = {
f"esphome/components/{comp}/file{i}.cpp": 0
for comp in components
for i in range(files_per_component)
}
# Create a mock that returns the cpp_files dict for any call
def mock_git_ls_files(patterns=None):
return cpp_files
with (
patch("sys.argv", ["determine-jobs.py"]),
patch.object(determine_jobs, "_is_clang_tidy_full_scan", return_value=False),
patch.object(determine_jobs, "git_ls_files", side_effect=mock_git_ls_files),
patch.object(determine_jobs, "get_changed_components", return_value=components),
patch.object(
determine_jobs,
"filter_component_and_test_files",
side_effect=lambda f: f.startswith("esphome/components/"),
),
patch.object(
determine_jobs, "get_components_with_dependencies", return_value=components
),
):
determine_jobs.main()
captured = capsys.readouterr()
output = json.loads(captured.out)
assert output["clang_tidy_mode"] == expected_mode
def test_main_core_files_changed_still_detects_components(
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_changed_files: Mock,
mock_determine_cpp_unit_tests: Mock,
capsys: pytest.CaptureFixture[str],
monkeypatch: pytest.MonkeyPatch,
) -> None:
"""Test that component changes are detected even when core files change."""
monkeypatch.delenv("GITHUB_ACTIONS", raising=False)
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_determine_cpp_unit_tests.return_value = (True, [])
mock_changed_files.return_value = [
"esphome/core/helpers.h",
"esphome/components/select/select_traits.h",
"esphome/components/select/select_traits.cpp",
"esphome/components/api/api.proto",
]
with (
patch("sys.argv", ["determine-jobs.py"]),
patch.object(determine_jobs, "_is_clang_tidy_full_scan", return_value=False),
patch.object(determine_jobs, "get_changed_components", return_value=None),
patch.object(
determine_jobs,
"filter_component_and_test_files",
side_effect=lambda f: f.startswith("esphome/components/"),
),
patch.object(
determine_jobs,
"get_components_with_dependencies",
side_effect=lambda files, deps: (
["select", "api"]
if not deps
else ["select", "api", "bluetooth_proxy", "logger"]
),
),
):
determine_jobs.main()
captured = capsys.readouterr()
output = json.loads(captured.out)
assert output["clang_tidy"] is True
assert output["clang_tidy_mode"] == "split"
assert "select" in output["changed_components"]
assert "api" in output["changed_components"]
assert len(output["changed_components"]) > 0