From dbaac9c692678523a7843c973d1519a9c1bb4aac Mon Sep 17 00:00:00 2001
From: Sigurd Fosseng <sigurd@fosseng.net>
Date: Fri, 27 Sep 2019 14:06:33 +0200
Subject: [PATCH] warn on unsupported formats

---
 src/__fixtures__/test.openapi.json | 33 ++++++++++++++++++++++++++++++
 src/ajvCompile.ts                  | 24 ++++++++++++++--------
 src/toMatchApiResponse.test.ts     |  8 ++++++++
 3 files changed, 56 insertions(+), 9 deletions(-)

diff --git a/src/__fixtures__/test.openapi.json b/src/__fixtures__/test.openapi.json
index c450e1d..1dcd9f0 100644
--- a/src/__fixtures__/test.openapi.json
+++ b/src/__fixtures__/test.openapi.json
@@ -53,8 +53,28 @@
           }
         }
       }
+    },
+    "/unknown": {
+      "get": {
+        "operationId": "getUnknwon",
+        "summary": "Get metadata from the root of the API",
+        "tags": ["Metadata"],
+        "responses": {
+          "200": {
+            "description": "OK",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/UnknownFormat"
+                }
+              }
+            }
+          }
+        }
+      }
     }
   },
+
   "components": {
     "schemas": {
       "Int32Number": {
@@ -100,6 +120,19 @@
           }
         },
         "required": ["nullable"]
+      },
+      "UnknownFormat": {
+        "type": "object",
+        "properties": {
+          "unknown": {
+            "type": "string",
+            "format": "programId"
+          },
+          "url": {
+            "type": "string",
+            "format": "url"
+          }
+        }
       }
     }
   }
diff --git a/src/ajvCompile.ts b/src/ajvCompile.ts
index 4993f2e..6768070 100644
--- a/src/ajvCompile.ts
+++ b/src/ajvCompile.ts
@@ -1,21 +1,27 @@
-import Ajv, { NumberFormatDefinition } from "ajv";
+import Ajv, { NumberFormatDefinition, Options } from "ajv";
 
 /**
  * @param schema dereferenced schema
  */
-export const ajvCompile = (schema: any) => {
+export const ajvCompile = (
+  schema: any,
+  {
+    unknownFormats = "ignore",
+    nullable = true,
+    jsonPointers = true,
+    ...rest
+  }: Options = {}
+) => {
   const ajv = new Ajv({
-    /**
-     * TODO: Add custom format supports for following formats.
-     * Maybe add formats from ajv-oai? https://git.io/fj4gs
-     */
-    unknownFormats: ["float", "double", "byte", "binary", "password"],
-    nullable: true,
-    jsonPointers: true
+    unknownFormats,
+    nullable,
+    jsonPointers,
+    ...rest
   });
   // custom formats
   ajv.addFormat("int32", isInt32);
   ajv.addFormat("int64", isInt64);
+  ajv.addFormat("url", ""); // the url format is wrong and deprecated
 
   const clone = JSON.parse(JSON.stringify(schema));
   transformNullable(clone);
diff --git a/src/toMatchApiResponse.test.ts b/src/toMatchApiResponse.test.ts
index 20c6198..b734f13 100644
--- a/src/toMatchApiResponse.test.ts
+++ b/src/toMatchApiResponse.test.ts
@@ -20,4 +20,12 @@ describe("api responses", () => {
     await expect(response).toMatchApiResponse(testApi, "get", "/number");
     await expect(response).not.toMatchApiResponse(testApi, "get", "/");
   });
+  it("GET /unkown", async () => {
+    const response: IApiResponse = {
+      body: { unknown: "xxx000000", url: "/something" },
+      status: 200,
+      type: "application/json"
+    };
+    await expect(response).toMatchApiResponse(testApi, "get", "/unknown");
+  });
 });