fix: issue #88

Author: sagold

src/keywords/enum.test.ts

@@ -0,0 +1,19 @@
+import { strict as assert } from "assert";
+
+import { compileSchema } from "../compileSchema";
+
+describe("keyword : enum : validate", () => {
+    it("should return error of type enum-error", () => {
+        const node = compileSchema({
+            type: "string",
+            enum: ["a", "b"]
+        });
+
+        const { errors } = node.validate("c");
+
+        assert.deepEqual(errors.length, 1, "should have returned a single error");
+        const [err] = errors;
+        assert.deepEqual(err.code, "enum-error");
+        assert(err.message.includes(JSON.stringify(["a", "b"])), "error message should mentioned valid values");
+    });
+});

src/keywords/enum.ts

@@ -24,6 +24,7 @@ function validateEnum({ node, data, pointer = "#" }: JsonSchemaValidatorParams)
     return node.createError("enum-error", {
         pointer,
         schema,
-        value: data
+        value: data,
+        values: schema.enum
     });
 }