Get started with user tests

src/main.py

@@ -24,11 +24,19 @@ async def root():
     return {"message": "Hello world!"}
 
 
-@app.get("/users", response_model=List[users.User])
+@app.get("/allusers", response_model=List[users.User])
 async def read_users(db: Session = Depends(get_db)):
     return crud_users.get_users(db)
 
 
+@app.get("/users", response_model=users.User)
+async def read_user(
+    current_user_name: str = Depends(crud_authentication.get_current_user_name),
+    db: Session = Depends(get_db),
+):
+    return crud_users.get_user_by_username(db, current_user_name)
+
+
 @app.patch("/users")
 async def patch_current_user(
     user: users.UserCreate,