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esphome/tests/unit_tests/test_external_files.py
2025-09-10 08:17:34 -05:00

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Python

"""Tests for external_files.py functions."""
from pathlib import Path
import time
from unittest.mock import MagicMock, patch
import pytest
import requests
from esphome import external_files
from esphome.config_validation import Invalid
from esphome.core import CORE, TimePeriod
def test_compute_local_file_dir(setup_core: Path) -> None:
"""Test compute_local_file_dir creates and returns correct path."""
domain = "font"
result = external_files.compute_local_file_dir(domain)
assert isinstance(result, Path)
assert result == Path(CORE.data_dir) / domain
assert result.exists()
assert result.is_dir()
def test_compute_local_file_dir_nested(setup_core: Path) -> None:
"""Test compute_local_file_dir works with nested domains."""
domain = "images/icons"
result = external_files.compute_local_file_dir(domain)
assert result == Path(CORE.data_dir) / "images" / "icons"
assert result.exists()
assert result.is_dir()
def test_is_file_recent_with_recent_file(setup_core: Path) -> None:
"""Test is_file_recent returns True for recently created file."""
test_file = setup_core / "recent.txt"
test_file.write_text("content")
refresh = TimePeriod(seconds=3600)
result = external_files.is_file_recent(str(test_file), refresh)
assert result is True
def test_is_file_recent_with_old_file(setup_core: Path) -> None:
"""Test is_file_recent returns False for old file."""
test_file = setup_core / "old.txt"
test_file.write_text("content")
old_time = time.time() - 7200
with patch("os.path.getctime", return_value=old_time):
refresh = TimePeriod(seconds=3600)
result = external_files.is_file_recent(str(test_file), refresh)
assert result is False
def test_is_file_recent_nonexistent_file(setup_core: Path) -> None:
"""Test is_file_recent returns False for non-existent file."""
test_file = setup_core / "nonexistent.txt"
refresh = TimePeriod(seconds=3600)
result = external_files.is_file_recent(str(test_file), refresh)
assert result is False
def test_is_file_recent_with_zero_refresh(setup_core: Path) -> None:
"""Test is_file_recent with zero refresh period returns False."""
test_file = setup_core / "test.txt"
test_file.write_text("content")
# Mock getctime to return a time 10 seconds ago
with patch("os.path.getctime", return_value=time.time() - 10):
refresh = TimePeriod(seconds=0)
result = external_files.is_file_recent(str(test_file), refresh)
assert result is False
@patch("esphome.external_files.requests.head")
def test_has_remote_file_changed_not_modified(
mock_head: MagicMock, setup_core: Path
) -> None:
"""Test has_remote_file_changed returns False when file not modified."""
test_file = setup_core / "cached.txt"
test_file.write_text("cached content")
mock_response = MagicMock()
mock_response.status_code = 304
mock_head.return_value = mock_response
url = "https://example.com/file.txt"
result = external_files.has_remote_file_changed(url, str(test_file))
assert result is False
mock_head.assert_called_once()
call_args = mock_head.call_args
headers = call_args[1]["headers"]
assert external_files.IF_MODIFIED_SINCE in headers
assert external_files.CACHE_CONTROL in headers
@patch("esphome.external_files.requests.head")
def test_has_remote_file_changed_modified(
mock_head: MagicMock, setup_core: Path
) -> None:
"""Test has_remote_file_changed returns True when file modified."""
test_file = setup_core / "cached.txt"
test_file.write_text("cached content")
mock_response = MagicMock()
mock_response.status_code = 200
mock_head.return_value = mock_response
url = "https://example.com/file.txt"
result = external_files.has_remote_file_changed(url, str(test_file))
assert result is True
def test_has_remote_file_changed_no_local_file(setup_core: Path) -> None:
"""Test has_remote_file_changed returns True when local file doesn't exist."""
test_file = setup_core / "nonexistent.txt"
url = "https://example.com/file.txt"
result = external_files.has_remote_file_changed(url, str(test_file))
assert result is True
@patch("esphome.external_files.requests.head")
def test_has_remote_file_changed_network_error(
mock_head: MagicMock, setup_core: Path
) -> None:
"""Test has_remote_file_changed handles network errors gracefully."""
test_file = setup_core / "cached.txt"
test_file.write_text("cached content")
mock_head.side_effect = requests.exceptions.RequestException("Network error")
url = "https://example.com/file.txt"
with pytest.raises(Invalid, match="Could not check if.*Network error"):
external_files.has_remote_file_changed(url, str(test_file))
@patch("esphome.external_files.requests.head")
def test_has_remote_file_changed_timeout(
mock_head: MagicMock, setup_core: Path
) -> None:
"""Test has_remote_file_changed respects timeout."""
test_file = setup_core / "cached.txt"
test_file.write_text("cached content")
mock_response = MagicMock()
mock_response.status_code = 304
mock_head.return_value = mock_response
url = "https://example.com/file.txt"
external_files.has_remote_file_changed(url, str(test_file))
call_args = mock_head.call_args
assert call_args[1]["timeout"] == external_files.NETWORK_TIMEOUT
def test_compute_local_file_dir_creates_parent_dirs(setup_core: Path) -> None:
"""Test compute_local_file_dir creates parent directories."""
domain = "level1/level2/level3/level4"
result = external_files.compute_local_file_dir(domain)
assert result.exists()
assert result.is_dir()
assert result.parent.name == "level3"
assert result.parent.parent.name == "level2"
assert result.parent.parent.parent.name == "level1"
def test_is_file_recent_handles_float_seconds(setup_core: Path) -> None:
"""Test is_file_recent works with float seconds in TimePeriod."""
test_file = setup_core / "test.txt"
test_file.write_text("content")
refresh = TimePeriod(seconds=3600.5)
result = external_files.is_file_recent(str(test_file), refresh)
assert result is True