Inverse json import logic (#88099)

* Fix helpers and util

* Adjust components

* Move back errors

* Add report

* mypy

* mypy

* Assert deprecation messages

* Move test_json_loads_object

* Adjust tests

* Fix rebase

* Adjust pylint plugin

* Fix plugin

* Adjust references

* Adjust backup tests

tests/util/test_json.py

@@ -15,6 +15,7 @@ from homeassistant.helpers.json import JSONEncoder as DefaultHASSJSONEncoder
 from homeassistant.util.json import (
     SerializationError,
     find_paths_unserializable_data,
+    json_loads_object,
     load_json,
     save_json,
 )
@@ -191,3 +192,40 @@ def test_find_unserializable_data() -> None:
         BadData(),
         dump=partial(dumps, cls=MockJSONEncoder),
     ) == {"$(BadData).bla": bad_data}
+
+
+def test_json_loads_object() -> None:
+    """Test json_loads_object validates result."""
+    assert json_loads_object('{"c":1.2}') == {"c": 1.2}
+    with pytest.raises(
+        ValueError, match="Expected JSON to be parsed as a dict got <class 'list'>"
+    ):
+        json_loads_object("[]")
+    with pytest.raises(
+        ValueError, match="Expected JSON to be parsed as a dict got <class 'bool'>"
+    ):
+        json_loads_object("true")
+    with pytest.raises(
+        ValueError, match="Expected JSON to be parsed as a dict got <class 'NoneType'>"
+    ):
+        json_loads_object("null")
+
+
+async def test_deprecated_test_find_unserializable_data(
+    caplog: pytest.LogCaptureFixture,
+) -> None:
+    """Test deprecated test_find_unserializable_data logs a warning."""
+    find_paths_unserializable_data(1)
+    assert (
+        "uses find_paths_unserializable_data from homeassistant.util.json"
+        in caplog.text
+    )
+    assert "should be updated to use homeassistant.helpers.json module" in caplog.text
+
+
+async def test_deprecated_save_json(caplog: pytest.LogCaptureFixture) -> None:
+    """Test deprecated save_json logs a warning."""
+    fname = _path_for("test1")
+    save_json(fname, TEST_JSON_A)
+    assert "uses save_json from homeassistant.util.json" in caplog.text
+    assert "should be updated to use homeassistant.helpers.json module" in caplog.text