Add equality checks to Domains

This allows easier introspection of API responses. Very useful for
unit-testing behaviour of wrappers of hcloud.

Author: stefanor

hcloud/core/domain.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+from typing import Any
+
 
 class BaseDomain:
     __api_properties__: tuple
@@ -16,6 +18,15 @@ def __repr__(self) -> str:
         kwargs = [f"{key}={getattr(self, key)!r}" for key in self.__api_properties__]  # type: ignore[var-annotated]
         return f"{self.__class__.__qualname__}({', '.join(kwargs)})"
 
+    def __eq__(self, other: Any) -> bool:
+        """Compare a domain object with another of the same type."""
+        if not isinstance(other, self.__class__):
+            return NotImplemented
+        for key in self.__api_properties__:
+            if getattr(self, key) != getattr(other, key):
+                return False
+        return True
+
 
 class DomainIdentityMixin:
 

tests/unit/core/test_domain.py

@@ -156,3 +156,10 @@ def test_from_dict_ok(self, data_dict, expected_result):
     )
     def test_repr_ok(self, data, expected):
         assert data.__repr__() == expected
+
+    def test__eq__(self):
+        a1 = ActionDomain(id=1, name="action")
+        assert a1 == ActionDomain(id=1, name="action")
+        assert a1 != ActionDomain(id=2, name="action")
+        assert a1 != ActionDomain(id=1, name="something")
+        assert a1 != SomeOtherDomain(id=1, name="action")