Add TestData schema

schemas/testdata.py

@@ -0,0 +1,21 @@
+from pydantic import BaseModel, Field
+
+class TestDataBase(BaseModel):
+    data: str = Field(..., min_length=1, max_length=1000, description="Test data string")
+
+class TestDataCreate(TestDataBase):
+    class Config:
+        schema_extra = {
+            "example": {
+                "data": "Sample test data string"
+            }
+        }
+
+class TestData(TestDataBase):
+    class Config:
+        orm_mode = True
+        schema_extra = {
+            "example": {
+                "data": "Sample test data string"
+            }
+        }