Letter case of predefined specification properties about imposter HOT 3 CLOSED

Hi @jeanloop, thanks very much for getting in touch!

Do you have an example before/after JSON you could share that reproduces the issue?

Also, please could you let me know the version of swagger UI you’re using; is it the embedded one? If so, this was updated in the latest beta, so would be keen to see if it’s still an issue.

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Hi @outofcoffee,

sorry for the delay, I didn't find the time to setup a simple test case until today.

So here it is:

Simply unzip the attached file into a folder, cd into it on the command line and run:
docker run --rm -ti -p 8080:8080 -v $(pwd)/:/opt/imposter/config outofcoffee/imposter-openapi

I used the OAS3 spec from the examples here: https://raw.githubusercontent.com/outofcoffee/imposter/master/plugin/openapi/src/test/resources/config/openapi3-with-examples.yaml

The only change: I added a securityScheme definition for a bearer token and configured security for all endpoints.

When you run it and look at the swagger UI, click on the "authenticate" button above the list of endpoints. The window will open but does not show any content. It should show an interface to login by providing a token.

When you look at the combined.json produced by the server, you may notice, that the components/securitySchemes definition is now included, but the letter case of the type-property has changed from lowercase to uppercase. Swagger UI does not like that. I tested it by filtering combined.json using a regular expression before it is sent by the server. When using lowercase values, all is fine.

The same problem occurs when defining parameters using the style-property. There may be other properties with the same issue that I did not use yet.

Since the OAS documentation defines those values as lowercase, I think that swagger UI is behaving correctly. See here for example: https://swagger.io/docs/specification/authentication/bearer-authentication/

I debugged the imposter java code a bit trying to find the source of the problem and I think it may be related to this file: https://github.com/outofcoffee/imposter/blob/master/core/src/main/groovy/com/gatehill/imposter/util/MapUtil.java.

Hope this helps identifying the problem.

Thanks again for this great tool!

impostertest.zip

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Thank you for the really comprehensive bug report and description. This helped immensely in tracking down this bug. It is finally fixed in 4928932, released in v2.2.0.

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