swagger-api/swagger-codegen

undefined method build_from_hash in Enum data type

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#4,848 opened on Feb 24, 2017

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Client: RubyFeature: EnumIssue: BugIssue: Workaround availablehelp wanted

Description

Hi, Im having an issue. I am generating a json swagger into a ruby gem, the swagger JSOn contains Enum data type. The generated class that has an Enum data type does not have build_from_hash method so it always get NoMethodError. the convert_to_type method always call build_from_hash method

this is the convert_to_type method

screen shot 2017-02-24 at 9 09 23 pm

this is the AccountCategory class that has Enum data type

screen shot 2017-02-24 at 9 09 39 pm

can somebody help me?

Contributor guide

Tech stack
ruby
Domain
api
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
RubySwagger/OpenAPIcode generation
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
45
Research direction
Investigate the Ruby client codegen module, specifically the templates for enum types. The issue is that generated enum classes lack the build from hash method, causing a NoMethodError when convert to type is called. Check if the fix involves adding the method to the enum template or modifying the code generation logic. Review comments in the issue for any suggested solutions or linked commits.