Rails

Rails Spec Interview Guide

Rails-specific checklist for spec interviews and implementation. For underlying Rails conventions, consult the sorah-guides:rails skill. Project-specific conventions always take priority.

Interview Checklist

When interviewing a spec for a Rails project, verify these areas are fully specified:

Data Model

• Migration details: column types, defaults, null constraints, index definitions
• Unique vs non-unique indexes; composite index column order
• Which validations live at model level vs database constraint level
• Association dependent behavior and foreign key constraints

Architecture & Design

• Which concerns are extracted and what they encapsulate
• Where business logic lives: model callbacks vs service objects vs controllers
• Controller action responsibilities and before_action filters

Integration

• Configuration approach: Rails.configuration.x.* namespacing, ENV access policy
• Encryption strategy for sensitive attributes
• Background job classes, queue names, retry policies
• Logging: which events, at what levels, with what payload
• Which existing concerns the new code interacts with
• Mailer classes and delivery method

Testing

• Request spec expectations: status codes, response bodies, error formats
• Model spec coverage: validations, associations, scopes
• Test data strategy: FactoryBot patterns, let_it_be usage
• Time-dependent test approach

Security

• Password hashing mechanism
• Parameter filtering for sensitive request params
• Audit logging requirements

Operations

• bin/setup changes: seed data, fixture files
• Rake tasks needed for data migrations or cleanup
• Key rotation strategy for encrypted attributes

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