--- /dev/null
+from fastapi import FastAPI
+from fastapi.openapi.models import AdditionalResponse
+from pydantic import BaseModel
+from starlette.responses import JSONResponse
+from starlette.testclient import TestClient
+
+app = FastAPI()
+
+
+class Item(BaseModel):
+ name: str
+ price: float = None
+
+
+class Response400(BaseModel):
+ '''HTTP 4xx Response Schema'''
+ title: str
+ detail: str
+ error_code: int # functional error ref
+
+
+response_403 = AdditionalResponse(
+ status_code = 403,
+ description = 'Forbidden',
+ models = [
+ Response400,
+ ],
+)
+
+additional_responses = [
+ response_403,
+]
+
+@app.api_route(
+ "/items/{item_id}",
+ methods=["GET"],
+ additional_responses=additional_responses,
+)
+def get_items(item_id: str):
+ return {"item_id": item_id}
+
+
+def get_not_decorated(item_id: str):
+ return {"item_id": item_id}
+
+
+app.add_api_route(
+ "/items-not-decorated/{item_id}",
+ get_not_decorated,
+ additional_responses=additional_responses,
+)
+
+
+@app.delete(
+ "/items/{item_id}",
+ additional_responses=additional_responses,
+)
+def delete_item(item_id: str, item: Item):
+ return {"item_id": item_id, "item": item}
+
+
+@app.head(
+ "/items/{item_id}",
+ additional_responses=additional_responses,
+)
+def head_item(item_id: str):
+ return JSONResponse(headers={"x-fastapi-item-id": item_id})
+
+
+@app.options(
+ "/items/{item_id}",
+ additional_responses=additional_responses,
+)
+def options_item(item_id: str):
+ return JSONResponse(headers={"x-fastapi-item-id": item_id})
+
+
+@app.patch(
+ "/items/{item_id}",
+ additional_responses=additional_responses,
+)
+def patch_item(item_id: str, item: Item):
+ return {"item_id": item_id, "item": item}
+
+
+@app.trace(
+ "/items/{item_id}",
+ additional_responses=additional_responses,
+)
+def trace_item(item_id: str):
+ return JSONResponse(media_type="message/http")
+
+
+client = TestClient(app)
+
+openapi_schema = {
+ "openapi": "3.0.2",
+ "info": {
+ "title": "Fast API",
+ "version": "0.1.0"
+ },
+ "paths": {
+ "/items/{item_id}": {
+ "get": {
+ "responses": {
+ "200": {
+ "description": "Successful Response",
+ "content": {
+ "application/json": {
+ "schema": {}
+ }
+ },
+ },
+ "403": {
+ "description": "Forbidden",
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref": "#/components/schemas/Response400"
+ }
+ }
+ },
+ },
+ "422": {
+ "description": "Validation Error",
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref":
+ "#/components/schemas/HTTPValidationError"
+ }
+ }
+ },
+ },
+ },
+ "summary":
+ "Get Items Get",
+ "operationId":
+ "get_items_items__item_id__get",
+ "parameters": [{
+ "required": True,
+ "schema": {
+ "title": "Item_Id",
+ "type": "string"
+ },
+ "name": "item_id",
+ "in": "path",
+ }],
+ },
+ "delete": {
+ "responses": {
+ "200": {
+ "description": "Successful Response",
+ "content": {
+ "application/json": {
+ "schema": {}
+ }
+ },
+ },
+ "403": {
+ "description": "Forbidden",
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref": "#/components/schemas/Response400"
+ }
+ }
+ },
+ },
+ "422": {
+ "description": "Validation Error",
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref":
+ "#/components/schemas/HTTPValidationError"
+ }
+ }
+ },
+ },
+ },
+ "summary":
+ "Delete Item Delete",
+ "operationId":
+ "delete_item_items__item_id__delete",
+ "parameters": [{
+ "required": True,
+ "schema": {
+ "title": "Item_Id",
+ "type": "string"
+ },
+ "name": "item_id",
+ "in": "path",
+ }],
+ "requestBody": {
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref": "#/components/schemas/Item"
+ }
+ }
+ },
+ "required": True,
+ },
+ },
+ "options": {
+ "responses": {
+ "200": {
+ "description": "Successful Response",
+ "content": {
+ "application/json": {
+ "schema": {}
+ }
+ },
+ },
+ "403": {
+ "description": "Forbidden",
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref": "#/components/schemas/Response400"
+ }
+ }
+ },
+ },
+ "403": {
+ "description": "Forbidden",
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref": "#/components/schemas/Response400"
+ }
+ }
+ },
+ },
+ "422": {
+ "description": "Validation Error",
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref":
+ "#/components/schemas/HTTPValidationError"
+ }
+ }
+ },
+ },
+ },
+ "summary":
+ "Options Item Options",
+ "operationId":
+ "options_item_items__item_id__options",
+ "parameters": [{
+ "required": True,
+ "schema": {
+ "title": "Item_Id",
+ "type": "string"
+ },
+ "name": "item_id",
+ "in": "path",
+ }],
+ },
+ "head": {
+ "responses": {
+ "200": {
+ "description": "Successful Response",
+ "content": {
+ "application/json": {
+ "schema": {}
+ }
+ },
+ },
+ "403": {
+ "description": "Forbidden",
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref": "#/components/schemas/Response400"
+ }
+ }
+ },
+ },
+ "422": {
+ "description": "Validation Error",
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref":
+ "#/components/schemas/HTTPValidationError"
+ }
+ }
+ },
+ },
+ },
+ "summary":
+ "Head Item Head",
+ "operationId":
+ "head_item_items__item_id__head",
+ "parameters": [{
+ "required": True,
+ "schema": {
+ "title": "Item_Id",
+ "type": "string"
+ },
+ "name": "item_id",
+ "in": "path",
+ }],
+ },
+ "patch": {
+ "responses": {
+ "200": {
+ "description": "Successful Response",
+ "content": {
+ "application/json": {
+ "schema": {}
+ }
+ },
+ },
+ "403": {
+ "description": "Forbidden",
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref": "#/components/schemas/Response400"
+ }
+ }
+ },
+ },
+ "422": {
+ "description": "Validation Error",
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref":
+ "#/components/schemas/HTTPValidationError"
+ }
+ }
+ },
+ },
+ },
+ "summary":
+ "Patch Item Patch",
+ "operationId":
+ "patch_item_items__item_id__patch",
+ "parameters": [{
+ "required": True,
+ "schema": {
+ "title": "Item_Id",
+ "type": "string"
+ },
+ "name": "item_id",
+ "in": "path",
+ }],
+ "requestBody": {
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref": "#/components/schemas/Item"
+ }
+ }
+ },
+ "required": True,
+ },
+ },
+ "trace": {
+ "responses": {
+ "200": {
+ "description": "Successful Response",
+ "content": {
+ "application/json": {
+ "schema": {}
+ }
+ },
+ },
+ "403": {
+ "description": "Forbidden",
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref": "#/components/schemas/Response400"
+ }
+ }
+ },
+ },
+ "422": {
+ "description": "Validation Error",
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref":
+ "#/components/schemas/HTTPValidationError"
+ }
+ }
+ },
+ },
+ },
+ "summary":
+ "Trace Item Trace",
+ "operationId":
+ "trace_item_items__item_id__trace",
+ "parameters": [{
+ "required": True,
+ "schema": {
+ "title": "Item_Id",
+ "type": "string"
+ },
+ "name": "item_id",
+ "in": "path",
+ }],
+ },
+ },
+ "/items-not-decorated/{item_id}": {
+ "get": {
+ "responses": {
+ "200": {
+ "description": "Successful Response",
+ "content": {
+ "application/json": {
+ "schema": {}
+ }
+ },
+ },
+ "403": {
+ "description": "Forbidden",
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref": "#/components/schemas/Response400"
+ }
+ }
+ },
+ },
+ "422": {
+ "description": "Validation Error",
+ "content": {
+ "application/json": {
+ "schema": {
+ "$ref":
+ "#/components/schemas/HTTPValidationError"
+ }
+ }
+ },
+ },
+ },
+ "summary":
+ "Get Not Decorated Get",
+ "operationId":
+ "get_not_decorated_items-not-decorated__item_id__get",
+ "parameters": [{
+ "required": True,
+ "schema": {
+ "title": "Item_Id",
+ "type": "string"
+ },
+ "name": "item_id",
+ "in": "path",
+ }],
+ }
+ },
+ },
+ "components": {
+ "schemas": {
+ "Item": {
+ "title": "Item",
+ "required": ["name"],
+ "type": "object",
+ "properties": {
+ "name": {
+ "title": "Name",
+ "type": "string"
+ },
+ "price": {
+ "title": "Price",
+ "type": "number"
+ },
+ },
+ },
+ "Response400": {
+ "title": "Response400",
+ "description": "HTTP 4xx Response Schema",
+ "required": ["title", "detail", "error_code"],
+ "type": "object",
+ "properties": {
+ "title": {
+ "title": "Title",
+ "type": "string"
+ },
+ "detail": {
+ "title": "Detail",
+ "type": "string"
+ },
+ "error_code": {
+ "title": "Error_Code",
+ "type": "integer"
+ },
+ },
+ },
+ "ValidationError": {
+ "title": "ValidationError",
+ "required": ["loc", "msg", "type"],
+ "type": "object",
+ "properties": {
+ "loc": {
+ "title": "Location",
+ "type": "array",
+ "items": {
+ "type": "string"
+ },
+ },
+ "msg": {
+ "title": "Message",
+ "type": "string"
+ },
+ "type": {
+ "title": "Error Type",
+ "type": "string"
+ },
+ },
+ },
+ "HTTPValidationError": {
+ "title": "HTTPValidationError",
+ "type": "object",
+ "properties": {
+ "detail": {
+ "title": "Detail",
+ "type": "array",
+ "items": {
+ "$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_get_api_route():
+ response = client.get("/items/foo")
+ assert response.status_code == 200
+ assert response.json() == {"item_id": "foo"}
+
+
+def test_get_api_route_not_decorated():
+ response = client.get("/items-not-decorated/foo")
+ assert response.status_code == 200
+ assert response.json() == {"item_id": "foo"}
+
+
+def test_delete():
+ response = client.delete("/items/foo", json={"name": "Foo"})
+ assert response.status_code == 200
+ assert response.json() == {
+ "item_id": "foo",
+ "item": {
+ "name": "Foo",
+ "price": None
+ }
+ }
+
+
+def test_head():
+ response = client.head("/items/foo")
+ assert response.status_code == 200
+ assert response.headers["x-fastapi-item-id"] == "foo"
+
+
+def test_options():
+ response = client.options("/items/foo")
+ assert response.status_code == 200
+ assert response.headers["x-fastapi-item-id"] == "foo"
+
+
+def test_patch():
+ response = client.patch("/items/foo", json={"name": "Foo"})
+ assert response.status_code == 200
+ assert response.json() == {
+ "item_id": "foo",
+ "item": {
+ "name": "Foo",
+ "price": None
+ }
+ }
+
+
+def test_trace():
+ response = client.request("trace", "/items/foo")
+ assert response.status_code == 200
+ assert response.headers["content-type"] == "message/http"