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Versions: 13
Compression:
Stored size: 1.19 KB
Contents
require 'spec_helper'
describe 'Reusing mappers' do
it 'allows using another mapper in mapping definitions' do
class Test::TaskMapper < ROM::Mapper
attribute :title
end
class Test::UserMapper < ROM::Mapper
attribute :name
group :tasks, mapper: Test::TaskMapper
end
mapper = Test::UserMapper.build
relation = [{ name: 'Jane', title: 'One' }, { name: 'Jane', title: 'Two' }]
result = mapper.call(relation)
expect(result).to eql([
{ name: 'Jane', tasks: [{ title: 'One' }, { title: 'Two' }] }
])
end
it 'allows using another mapper in an embbedded hash' do
class Test::PriorityMapper < ROM::Mapper
attribute :value, type: :integer
attribute :desc
end
class Test::TaskMapper < ROM::Mapper
attribute :title
embedded :priority, type: :hash, mapper: Test::PriorityMapper
end
mapper = Test::TaskMapper.build
relation = [{ title: 'Task One', priority: { value: '1' } }, { title: 'Task Two', priority: { value: '2' } }]
result = mapper.call(relation)
expect(result).to eql([
{ title: 'Task One', priority: { value: 1 } },
{ title: 'Task Two', priority: { value: 2 } }
])
end
end
Version data entries
13 entries across 13 versions & 1 rubygems