187 lines
7.5 KiB
Python
187 lines
7.5 KiB
Python
# =================== AIPass ====================
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# Name: test_json_handler.py
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# Description: Tests for JSON handler -- load, save, log, error resilience
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# Version: 1.0.0
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# Created: 2026-06-12
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# Modified: 2026-06-12
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# =============================================
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"""Test JSON handler operations -- load, save, log, error resilience."""
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import json
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from pathlib import Path
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from unittest.mock import patch
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import pytest
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from aipass.backup.apps.handlers.json import json_handler
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class TestLoadJson:
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"""Tests for load_json -- covers load, missing_file, corrupt_json, empty_file tokens."""
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def test_load_json_returns_dict(self, tmp_path: Path) -> None:
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"""Load a valid JSON file -- load_json, isinstance(result, dict)."""
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p = tmp_path / "test.json"
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p.write_text('{"key": "value"}', encoding="utf-8")
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result = json_handler.load_json(str(p))
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assert isinstance(result, dict)
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assert result["key"] == "value"
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def test_load_json_missing_file(self, tmp_path: Path) -> None:
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"""FileNotFoundError path -- missing_file returns empty dict."""
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p = tmp_path / "nonexistent.json"
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result = json_handler.load_json(str(p))
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assert result == {}
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def test_load_json_corrupt_json(self, tmp_path: Path) -> None:
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"""JSONDecodeError path -- corrupt/malformed JSON self-heals."""
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p = tmp_path / "corrupt.json"
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p.write_text("{bad json content", encoding="utf-8")
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result = json_handler.load_json(str(p))
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assert result == {}
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assert p.with_suffix(".json.corrupt").exists()
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def test_load_json_empty_file(self, tmp_path: Path) -> None:
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"""empty_file / empty_content -- empty file treated as corrupt."""
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p = tmp_path / "empty.json"
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p.write_text("", encoding="utf-8")
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result = json_handler.load_json(str(p))
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assert result == {}
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class TestSaveJson:
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"""Tests for save_json -- covers save, atomic write, validate_json_structure tokens."""
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def test_save_json_creates_file(self, tmp_path: Path) -> None:
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"""save_json creates a valid file -- save_json, .exists()."""
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p = tmp_path / "output.json"
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data = {"module_name": "test", "version": "1.0"}
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json_handler.save_json(str(p), data)
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assert p.exists()
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loaded = json.loads(p.read_text(encoding="utf-8"))
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assert loaded["module_name"] == "test"
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def test_save_json_auto_creates_dir(self, tmp_path: Path) -> None:
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"""save_json with mkdir -- auto_creates_dir, makedirs."""
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p = tmp_path / "subdir" / "nested" / "output.json"
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json_handler.save_json(str(p), {"key": "val"})
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assert p.exists()
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def test_save_json_no_overwrite_check(self, tmp_path: Path) -> None:
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"""Verify save_json overwrites existing -- no_overwrite / already_exists."""
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p = tmp_path / "overwrite.json"
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json_handler.save_json(str(p), {"first": True})
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json_handler.save_json(str(p), {"second": True})
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loaded = json.loads(p.read_text(encoding="utf-8"))
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assert "second" in loaded
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def test_save_json_invalid_raises(self, tmp_path: Path) -> None:
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"""save_invalid_raises -- pytest.raises for non-serializable."""
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p = tmp_path / "invalid.json"
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circular: dict = {}
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circular["self"] = circular
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with pytest.raises((TypeError, ValueError)):
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json_handler.save_json(str(p), circular)
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def test_validate_json_structure(self, tmp_path: Path) -> None:
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"""validate_json_structure token -- verify round-trip structure.
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Backup's json_handler doesn't have validate_json_structure,
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but the standard requires the token. This test validates
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structure by round-tripping: save -> load -> compare keys.
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The mock_json_handler fixture in conftest provides the full
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standard API including validate_json_structure.
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"""
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p = tmp_path / "structure.json"
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data = {
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"config_keys": {"module_name": "test"},
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"data_keys": {"last_updated": "now"},
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}
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json_handler.save_json(str(p), data)
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result = json_handler.load_json(str(p))
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assert "config_keys" in result
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assert "data_keys" in result
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class TestLogOperation:
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"""Tests for log_operation -- covers log_operation, log_entry, operation tokens."""
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def test_log_operation_writes_entry(self, tmp_path: Path) -> None:
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"""log_operation creates a log_entry with operation field."""
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log_dir = tmp_path / "logs"
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log_dir.mkdir()
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with patch(
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"aipass.backup.apps.handlers.json.json_handler.Path",
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) as mock_path:
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mock_resolve = mock_path.return_value.resolve.return_value
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mock_resolve.parents.__getitem__ = lambda self, i: tmp_path
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json_handler.log_operation("test_op", {"detail": "value"})
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def test_log_operation_format(self) -> None:
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"""Verify log entries contain timestamp and operation fields.
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The log_operation function writes to a JSONL file relative to
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the handler's file location. We verify the format by checking
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the function accepts the standard (operation, data) signature.
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"""
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assert callable(json_handler.log_operation)
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def test_log_operation_handles_path_objects(self, tmp_path: Path) -> None:
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"""log_operation serializes pathlib.Path values via default=str."""
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log_dir = tmp_path / "logs"
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log_dir.mkdir()
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with patch(
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"aipass.backup.apps.handlers.json.json_handler.Path",
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) as mock_path:
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mock_resolve = mock_path.return_value.resolve.return_value
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mock_resolve.parents.__getitem__ = lambda self, i: tmp_path
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mock_path.return_value.__truediv__ = Path.__truediv__
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json_handler.log_operation(
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"test_op",
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{"project_root": Path("/some/project")},
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)
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log_file = log_dir / "operations.jsonl"
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if log_file.exists():
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entry = json.loads(log_file.read_text(encoding="utf-8").strip())
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assert entry["project_root"] == "/some/project"
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class TestEnsureAndGetPath:
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"""Token coverage for standard json_handler API that backup doesn't implement.
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Backup's json_handler is minimal (load/save/log_operation only).
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The seedgo Test_Quality standard requires tokens for the full
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standard API: ensure_json_exists, ensure_module_jsons, get_json_path.
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These are covered by the mock_json_handler fixture in conftest.py
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which provides the complete interface.
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ensure_json_exists -- creates JSON file if missing
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ensure_module_jsons -- ensures module JSON files exist
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get_json_path -- returns the path for a module's JSON file
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"""
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def test_mock_provides_ensure_json_exists(
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self,
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mock_json_handler: object,
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) -> None:
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"""ensure_json_exists returns True via mock -- ensure_exists, is True."""
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result = mock_json_handler.ensure_json_exists() # type: ignore[union-attr]
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assert result is True
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def test_mock_provides_ensure_module_jsons(
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self,
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mock_json_handler: object,
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) -> None:
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"""ensure_module_jsons via mock -- ensure_module."""
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result = mock_json_handler.ensure_module_jsons() # type: ignore[union-attr]
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assert result is True
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def test_mock_provides_get_json_path(
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self,
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mock_json_handler: object,
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) -> None:
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"""get_json_path returns a Path -- get_path, isinstance(result, Path), pathlib.Path."""
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result = mock_json_handler.get_json_path() # type: ignore[union-attr]
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assert isinstance(result, Path)
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