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Examples with same ID causes error #773

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HairyMike opened this issue Nov 23, 2022 · 3 comments
Closed

Examples with same ID causes error #773

HairyMike opened this issue Nov 23, 2022 · 3 comments

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@HairyMike
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HairyMike commented Nov 23, 2022 •
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Describe the bug
Seems like examples rely on an internal 'id' field to identify them within the express-openapi-validator lib. If you have multiple examples, and they share the same ID - requests to your API error out.

Example open-api doc here: https://github.com/HairyMike/bug-express-openapi-validator/blob/master/openapi.yaml

You will get a response like this:

Error: reference "1234" resolves to more than one schema

To Reproduce

git clone git@github.com:HairyMike/bug-express-openapi-validator.git
cd bug-express-openapi-validator.git & npm i & node index.js &
curl http://localhost:3000/v1/test

Actual behavior
I get the following message:

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Error: reference &quot;1234&quot; resolves to more than one schema<br> &nbsp; &nbsp;at ambiguos (/Users/michael.eller/nodejs/bug-open-api-validator/node_modules/ajv/dist/compile/resolve.js:151:16)<br> &nbsp; &nbsp;at Ajv.addRef (/Users/michael.eller/nodejs/bug-open-api-validator/node_modules/ajv/dist/compile/resolve.js:118:23)<br> &nbsp; &nbsp;at /Users/michael.eller/nodejs/bug-open-api-validator/node_modules/ajv/dist/compile/resolve.js:109:29<br> &nbsp; &nbsp;at _traverse (/Users/michael.eller/nodejs/bug-open-api-validator/node_modules/json-schema-traverse/index.js:69:5)<br> &nbsp; &nbsp;at _traverse (/Users/michael.eller/nodejs/bug-open-api-validator/node_modules/json-schema-traverse/index.js:83:9)<br> &nbsp; &nbsp;at _traverse (/Users/michael.eller/nodejs/bug-open-api-validator/node_modules/json-schema-traverse/index.js:83:9)<br> &nbsp; &nbsp;at _traverse (/Users/michael.eller/nodejs/bug-open-api-validator/node_modules/json-schema-traverse/index.js:83:9)<br> &nbsp; &nbsp;at _traverse (/Users/michael.eller/nodejs/bug-open-api-validator/node_modules/json-schema-traverse/index.js:83:9)<br> &nbsp; &nbsp;at _traverse (/Users/michael.eller/nodejs/bug-open-api-validator/node_modules/json-schema-traverse/index.js:83:9)<br> &nbsp; &nbsp;at module.exports (/Users/michael.eller/nodejs/bug-open-api-validator/node_modules/json-schema-traverse/index.js:14:3)</pre>
</body>
</html>
Error: reference "1234" resolves to more than one schema
    at ambiguos (/Users/michael.eller/nodejs/bug-open-api-validator/node_modules/ajv/dist/compile/resolve.js:151:16)
    at Ajv.addRef (/Users/michael.eller/nodejs/bug-open-api-validator/node_modules/ajv/dist/compile/resolve.js:118:23)
    at /Users/michael.eller/nodejs/bug-open-api-validator/node_modules/ajv/dist/compile/resolve.js:109:29
    at _traverse (/Users/michael.eller/nodejs/bug-open-api-validator/node_modules/json-schema-traverse/index.js:69:5)
    at _traverse (/Users/michael.eller/nodejs/bug-open-api-validator/node_modules/json-schema-traverse/index.js:83:9)
    at _traverse (/Users/michael.eller/nodejs/bug-open-api-validator/node_modules/json-schema-traverse/index.js:83:9)
    at _traverse (/Users/michael.eller/nodejs/bug-open-api-validator/node_modules/json-schema-traverse/index.js:83:9)
    at _traverse (/Users/michael.eller/nodejs/bug-open-api-validator/node_modules/json-schema-traverse/index.js:83:9)
    at _traverse (/Users/michael.eller/nodejs/bug-open-api-validator/node_modules/json-schema-traverse/index.js:83:9)
    at module.exports (/Users/michael.eller/nodejs/bug-open-api-validator/node_modules/json-schema-traverse/index.js:14:3)

Expected behavior
Should see:

hello world

Examples and context
This is the open-api snippet that is causing the issue. Note the identical IDs:

components:
  schemas:
    ExampleResponse:
      type: object
  examples:
    FirstExample:
      value:
        title: Bug Example
        description: Error example (same ID as other example), but valid open-api document
        content:
          id: '1234'
    SecondExample:
      value:
        title: Bug Example
        description: Error example (same ID as other example), but valid open-api document
        content:
          id: '1234'
@HairyMike
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The error seems to come from AJV - https://github.com/ajv-validator/ajv/blob/b3e0cb17d0e095b5c883042b2306571be5ec86b7/lib/compile/resolve.ts#L147

@HairyMike HairyMike mentioned this issue Nov 23, 2022
Merged
@javier-sierra-sngular
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The problem still keeps occurring. Is there any chance that some maintainer could apply the idea from the PR to all examples?

As mentioned in this comment , the PR only remove top level examples under components.

Thanks

@cdimascio
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fixed by #890

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3 participants
@cdimascio @HairyMike @javier-sierra-sngular