dhh
/ test_induced_design_damage.rb
Last active
June 22, 2023 06:18
This is an extraction from Jim Weirich's "Decoupling from Rails" talk, which explained how to apply the hexagonal design pattern to make every layer of your application easily unit testable (without touching the database etc). It only seeks to extract a single method, the EmployeesController#create method, to illustrate the design damage that's …
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| # Original Rails controller and action | |
| class EmployeesController < ApplicationController | |
| def create | |
| @employee = Employee.new(employee_params) | |
| if @employee.save | |
| redirect_to @employee, notice: "Employee #{@employee.name} created" | |
| else | |
| render :new | |
| end |