text: from starlette.testclient import TestClient
  
  from response_model.tutorial003 import app
  
  client = TestClient(app)
  
  openapi_schema = {
      "openapi": "3.0.2",
      "info": {"title": "Fast API", "version": "0.1.0"},
      "paths": {
          "/user/": {
              "post": {
                  "responses": {
                      "200": {
                          "description": "Successful Response",
                          "content": {
                              "application/json": {
                                  "schema": {"$ref": "#/components/schemas/UserOut"}
                              }
                          },
                      },
                      "422": {
                          "description": "Validation Error",
                          "content": {
                              "application/json": {
                                  "schema": {
                                      "$ref": "#/components/schemas/HTTPValidationError"
                                  }
                              }
                          },
                      },
                  },
                  "summary": "Create User",
                  "operationId": "create_user_user__post",
                  "requestBody": {
                      "content": {
                          "application/json": {
                              "schema": {"$ref": "#/components/schemas/UserIn"}
                          }
                      },
                      "required": True,
                  },
              }
          }
      },
      "components": {
          "schemas": {
              "UserOut": {
                  "title": "UserOut",
                  "required": ["username", "email"],
                  "type": "object",
                  "properties": {
                      "username": {"title": "Username", "type": "string"},
                      "email": {"title": "Email", "type": "string", "format": "email"},
                      "full_name": {"title": "Full_Name", "type": "string"},
                  },
              },
              "UserIn": {
                  "title": "UserIn",
                  "required": ["username", "password", "email"],
                  "type": "object",
                  "properties": {
                      "username": {"title": "Username", "type": "string"},
                      "password": {"title": "Password", "type": "string"},
                      "email": {"title": "Email", "type": "string", "format": "email"},
                      "full_name": {"title": "Full_Name", "type": "string"},
                  },
              },
              "ValidationError": {
                  "title": "ValidationError",
                  "required": ["loc", "msg", "type"],
                  "type": "object",
                  "properties": {
                      "loc": {
                          "title": "Location",
                          "type": "array",
                          "items": {"type": "string"},
                      },
                      "msg": {"title": "Message", "type": "string"},
                      "type": {"title": "Error Type", "type": "string"},
                  },
              },
              "HTTPValidationError": {
                  "title": "HTTPValidationError",
                  "type": "object",
                  "properties": {
                      "detail": {
                          "title": "Detail",
                          "type": "array",
                          "items": {"$ref": "#/components/schemas/ValidationError"},
                      }
                  },
              },
          }
      },
  }
  
  
  def test_openapi_schema():
      response = client.get("/openapi.json")
      assert response.status_code == 200
      assert response.json() == openapi_schema
  
  
  def test_post_user():
      response = client.post(
          "/user/",
          json={
              "username": "foo",
              "password": "fighter",
              "email": "foo@example.com",
              "full_name": "Grave Dohl",
          },
      )
      assert response.status_code == 200
      assert response.json() == {
          "username": "foo",
          "email": "foo@example.com",
          "full_name": "Grave Dohl",
      }
  