Fix alias modular default enum member (#888)

datamodel_code_generator/model/enum.py

@@ -94,6 +94,4 @@ def __init__(self, enum: Enum, field: DataModelFieldBase) -> None:
         self.alias: Optional[str] = None
 
     def __repr__(self) -> str:
-        if self.alias:
-            return self.alias
-        return f'{self.enum.name}.{self.field.name}'
+        return f'{self.alias or self.enum.name}.{self.field.name}'

tests/data/expected/main/main_jsonschema_modular_default_enum_member/foo.py

@@ -9,7 +9,9 @@
 from pydantic import BaseModel
 
 from . import bar
+from .nested_bar import bar as bar_1
 
 
 class Foo(BaseModel):
-    loggerLevel: Optional[bar.LogLevels] = bar.LogLevels
+    loggerLevel: Optional[bar.LogLevels] = bar.LogLevels.INFO
+    AnotherLoggerLevel: Optional[bar_1.LogLevels] = bar_1.LogLevels.ERROR

tests/data/jsonschema/modular_default_enum_member/foo.json

@@ -6,6 +6,9 @@
   "properties": {
     "loggerLevel": {
       "$ref": "bar.json#/definitions/logLevels"
+    },
+    "AnotherLoggerLevel": {
+      "$ref": "nested_bar/bar.json#/definitions/logLevels"
     }
   }
 }

tests/data/jsonschema/modular_default_enum_member/nested_bar/bar.json

@@ -0,0 +1,14 @@
+{
+  "$id": "nested_bar/bar.json",
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "NestedBar",
+  "type": "object",
+  "definitions": {
+    "logLevels": {
+      "description": "Supported logging levels Nested Model",
+      "type": "string",
+      "enum": ["DEBUG", "INFO", "ERROR"],
+      "default": "ERROR"
+    }
+  }
+}