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Contents
require 'spec_helper'
require 'rom/memory'
describe 'Mappers / Symbolizing atributes' do
include_context 'container'
before do
configuration.relation(:users)
configuration.relation(:tasks)
end
it 'automatically maps all attributes using top-level settings' do
module Test
class UserMapper < ROM::Mapper
relation :users
symbolize_keys true
prefix 'user'
attribute :id
wrap :details, prefix: 'first' do
attribute :name
end
wrap :contact, prefix: false do
attribute :email
end
end
end
configuration.register_mapper(Test::UserMapper)
container.relations.users << {
'user_id' => 123,
'first_name' => 'Jane',
'email' => 'jane@doe.org'
}
jane = container.relation(:users).as(:users).first
expect(jane).to eql(
id: 123, details: { name: 'Jane' }, contact: { email: 'jane@doe.org' }
)
end
it 'automatically maps all attributes using settings for wrap block' do
module Test
class TaskMapper < ROM::Mapper
relation :tasks
symbolize_keys true
attribute :title
wrap :details, prefix: 'task' do
attribute :priority
attribute :description
end
end
end
configuration.register_mapper(Test::TaskMapper)
container.relations.tasks << {
'title' => 'Task One',
'task_priority' => 1,
'task_description' => 'It is a task'
}
task = container.relation(:tasks).as(:tasks).first
expect(task).to eql(
title: 'Task One',
details: { priority: 1, description: 'It is a task' }
)
end
end
Version data entries
7 entries across 7 versions & 1 rubygems