Migrate the use of BaseModel.schema and BaseModel.schema_json to …

…`BaseModel.model_json_schema`

dandischema/tests/test_models.py

@@ -366,7 +366,7 @@ def test_types(enumtype: Type[Enum], values: Dict[str, str]) -> None:
 
 
 def test_autogenerated_titles() -> None:
-    schema = Asset.schema()
+    schema = Asset.model_json_schema()
     assert schema["title"] == "Asset"
     assert schema["properties"]["schemaVersion"]["title"] == "Schema Version"
     assert schema["definitions"]["PropertyValue"]["title"] == "Property Value"
@@ -615,7 +615,7 @@ def test_resource() -> None:
 
 
 def test_basetype() -> None:
-    props = json.loads(BaseType.schema_json())["properties"]
+    props = json.loads(json.dumps(BaseType.model_json_schema()))["properties"]
     identifier = props["identifier"]
     assert "anyOf" not in identifier
     assert identifier.get("maxLength") == 1000
@@ -624,13 +624,15 @@ def test_basetype() -> None:
 
 
 def test_https_regex() -> None:
-    props = json.loads(Affiliation.schema_json())["properties"]["identifier"]
+    props = json.loads(json.dumps(Affiliation.model_json_schema()))["properties"][
+        "identifier"
+    ]
     assert props["format"] == "uri"
     assert props.get("maxLength") == 1000
 
 
 def test_schemakey_in_required() -> None:
-    props = json.loads(Affiliation.schema_json())["required"]
+    props = json.loads(json.dumps(Affiliation.model_json_schema()))["required"]
     assert "schemaKey" in props
 
 
@@ -645,9 +647,9 @@ def test_propertyvalue_valid() -> None:
 
 
 def test_propertyvalue_json() -> None:
-    reqprops = json.loads(PropertyValue.schema_json())["definitions"]["PropertyValue"][
-        "required"
-    ]
+    reqprops = json.loads(json.dumps(PropertyValue.model_json_schema()))["definitions"][
+        "PropertyValue"
+    ]["required"]
     assert "value" == reqprops[1]