fix: Handle dotted parameters in classname

src/syrupy/location.py

@@ -5,6 +5,8 @@
     Optional,
 )
 
+from pytest import Class
+
 
 class TestLocation:
     def __init__(self, node: Any):
@@ -17,8 +19,12 @@ def __init__(self, node: Any):
 
     @property
     def classname(self) -> Optional[str]:
-        _, __, qualname = self._node.location
-        return ".".join(list(self.__valid_ids(qualname))[:-1]) or None
+        return (
+            ".".join(
+                node.name for node in self._node.listchain() if isinstance(node, Class)
+            )
+            or None
+        )
 
     @property
     def filename(self) -> str:

stubs/pytest.pyi

@@ -3,3 +3,6 @@ from typing import Any, Callable, TypeVar
 ReturnType = TypeVar("ReturnType")
 
 def fixture(func: Callable[..., ReturnType]) -> Callable[..., ReturnType]: ...
+
+class Class:
+    name: str

tests/__snapshots__/test_extension_amber.ambr

@@ -155,6 +155,12 @@
     ],
   }
 ---
+# name: test_doubly_parametrized[bar-foo]
+  'foo'
+---
+# name: test_doubly_parametrized[bar-foo].1
+  'bar'
+---
 # name: test_empty_snapshot
   None
 ---
@@ -216,6 +222,9 @@
 # name: test_numbers.2
   0.3333333333333333
 ---
+# name: test_parameter_with_dot[value.with.dot]
+  'value.with.dot'
+---
 # name: test_reflection
   SnapshotAssertion(name='snapshot', num_executions=0)
 ---

tests/test_extension_amber.py

@@ -169,3 +169,15 @@ def test_nested_class_method(self, snapshot, actual):
 
 class TestSubClass(TestClass):
     pass
+
+
+@pytest.mark.parametrize("parameter_with_dot", ("value.with.dot",))
+def test_parameter_with_dot(parameter_with_dot, snapshot):
+    assert parameter_with_dot == snapshot
+
+
+@pytest.mark.parametrize("parameter_1", ("foo",))
+@pytest.mark.parametrize("parameter_2", ("bar",))
+def test_doubly_parametrized(parameter_1, parameter_2, snapshot):
+    assert parameter_1 == snapshot
+    assert parameter_2 == snapshot