From 112b5e17276c97d91aef4c9584cc5031c11c96a5 Mon Sep 17 00:00:00 2001
From: Carmine DiMascio <cdimascio@tripadvisor.com>
Date: Tue, 17 Sep 2019 21:30:22 -0400
Subject: [PATCH] specify path

---
 src/middlewares/openapi.response.validator.ts | 18 +++++++++++++-----
 test/response.validator.spec.ts               |  8 +++++++-
 2 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/src/middlewares/openapi.response.validator.ts b/src/middlewares/openapi.response.validator.ts
index 0c84fd6a..fe2df2cf 100644
--- a/src/middlewares/openapi.response.validator.ts
+++ b/src/middlewares/openapi.response.validator.ts
@@ -2,7 +2,11 @@ import ono from 'ono';
 import * as Ajv from 'ajv';
 import * as mung from 'express-mung';
 import { createResponseAjv } from './ajv';
-import { extractContentType, ajvErrorsToValidatorError } from './util';
+import {
+  extractContentType,
+  ajvErrorsToValidatorError,
+  validationError,
+} from './util';
 
 const TYPE_JSON = 'application/json';
 
@@ -26,7 +30,8 @@ export class ResponseValidator {
         const responses = req.openapi.schema && req.openapi.schema.responses;
         const validators = this._getOrBuildValidator(req, responses);
         const statusCode = res.statusCode;
-        return this._validate({ validators, body, statusCode });
+        const path = req.path;
+        return this._validate({ validators, body, statusCode, path });
       }
       return body;
     });
@@ -49,7 +54,7 @@ export class ResponseValidator {
     return validators;
   }
 
-  _validate({ validators, body, statusCode }) {
+  _validate({ validators, body, statusCode, path }) {
     // find the validator for the 'status code' e.g 200, 2XX or 'default'
     let validator;
     const status = statusCode;
@@ -59,8 +64,11 @@ export class ResponseValidator {
       else if (statusXX in validators) validator = validators[statusXX];
       else if (validators.default) validator = validator.default;
       else {
-        // TODO
-        throw new Error('unknown status code - TODO fix me ');
+        throw validationError(
+          500,
+          path,
+          `no schema defined for status code '${status}' in the openapi spec`,
+        );
       }
     }
 
diff --git a/test/response.validator.spec.ts b/test/response.validator.spec.ts
index e97bc804..ed978e89 100644
--- a/test/response.validator.spec.ts
+++ b/test/response.validator.spec.ts
@@ -23,6 +23,7 @@ describe(packageJson.name, () => {
           validators,
           body: { message: 'some error message', code: 400 },
           statusCode: 400,
+          path: '/some-path',
         }),
       ).to.not.exist;
     } catch (e) {
@@ -43,6 +44,7 @@ describe(packageJson.name, () => {
           validators,
           body: { message, code },
           statusCode: code,
+          path: '/some-path',
         }),
       ).to.not.exist;
     } catch (e) {
@@ -62,6 +64,7 @@ describe(packageJson.name, () => {
         validators,
         body: [{ id: 'bad-id', name: 'test', tag: 'tag' }],
         statusCode: 200,
+        path: '/some-path',
       });
     } catch (e) {
       expect(e).to.be.not.null;
@@ -74,6 +77,7 @@ describe(packageJson.name, () => {
         validators,
         body: { id: 1, name: 'test', tag: 'tag' },
         statusCode: 200,
+        path: '/some-path',
       });
     } catch (e) {
       expect(e).to.be.not.null;
@@ -85,6 +89,7 @@ describe(packageJson.name, () => {
         validators,
         body: [{ id: 1, name: [], tag: 'tag' }],
         statusCode: 200,
+        path: '/some-path',
       });
     } catch (e) {
       expect(e).to.be.not.null;
@@ -99,6 +104,7 @@ describe(packageJson.name, () => {
     const responses = petsResponseSchema();
     const validators = v._getOrBuildValidator(null, responses);
     const statusCode = 200;
+    const path = '/some-path';
     const body = [
       {
         id: 10,
@@ -108,7 +114,7 @@ describe(packageJson.name, () => {
       },
     ];
     try {
-      expect(v._validate({ validators, body, statusCode })).to.not.exist;
+      expect(v._validate({ validators, body, statusCode, path })).to.not.exist;
       expect('here').to.be.null;
     } catch (e) {
       // TODO include params.additionalProperty: value in error message