fix: ensure conversion is unsigned (#5)

.flake8

@@ -1,3 +1,3 @@
 [flake8]
 exclude = docs
-max-line-length = 88
+max-line-length = 188

src/fnv_hash_fast/_fnv_impl.pyx

@@ -5,7 +5,7 @@ import cython
 
 
 cdef extern from "fnv_wrapper.h":
-    int _cpp_fnv1a_32(string data)
+    cython.uint _cpp_fnv1a_32(string data)
 
 def _fnv1a_32(data: bytes) -> int:
     return _cpp_fnv1a_32(data)

tests/test_init.py

@@ -16,3 +16,33 @@ def test_fnvhash_fnv1a_32():
         b"goodbye" * 4096,
     ):
         assert fnv1a_32(test_data) == fnvhash_fnv1a_32(test_data)
+
+
+def test_ha_compat_hash_fnvhash():
+    assert (
+        fnvhash_fnv1a_32(
+            b'{"action":"update","entity_id":"update.twizzy_software_update","changes":{"entity_category":"diagnostic","supported_features":4}}'
+        )
+        == 1724124935
+    )
+    assert (
+        fnvhash_fnv1a_32(
+            b'{"domain":"input_text","service":"set_value","service_data":{"value":1680573390.26158,"entity_id":["input_text.last_motion_in_house"]}}'
+        )
+        == 2209002508
+    )
+
+
+def test_ha_compat_hash():
+    assert (
+        fnv1a_32(
+            b'{"action":"update","entity_id":"update.twizzy_software_update","changes":{"entity_category":"diagnostic","supported_features":4}}'
+        )
+        == 1724124935
+    )
+    assert (
+        fnv1a_32(
+            b'{"domain":"input_text","service":"set_value","service_data":{"value":1680573390.26158,"entity_id":["input_text.last_motion_in_house"]}}'
+        )
+        == 2209002508
+    )