Add support for rom-repository

Gemfile

@@ -5,6 +5,7 @@ gemspec
 group :test do
   gem 'dry-struct'
   gem 'rom', git: 'https://github.com/rom-rb/rom.git', branch: 'master'
+  gem 'rom-repository', git: 'https://github.com/rom-rb/rom-repository', branch: 'master'
   gem 'rspec', '~> 3.1'
   gem 'codeclimate-test-reporter', require: false
   gem 'inflecto'

lib/rom/csv/relation.rb

@@ -1,4 +1,5 @@
 require 'rom/memory'
+require 'rom/plugins/relation/key_inference'
 
 module ROM
   module CSV
@@ -11,6 +12,7 @@ module CSV
     # @api public
     class Relation < ROM::Memory::Relation
       adapter :csv
+      use :key_inference
 
       def count
         dataset.count

spec/integration/gateway_spec.rb

@@ -1,5 +1,6 @@
 require 'spec_helper'
 require 'dry-struct'
+require 'rom/repository'
 
 describe 'CSV gateway' do
   context 'without extra options' do
@@ -135,5 +136,18 @@ class UserWithAddress < Dry::Struct
         expect(user[:email]).to eql('[email protected]')
       end
     end
+
+    describe 'with a repository' do
+      let(:repo) do
+        Class.new(ROM::Repository[:users]).new(container)
+      end
+
+      it 'auto-maps to structs' do
+        user = repo.users.first
+
+        expect(user.name).to eql('Julie')
+        expect(user.email).to eql('[email protected]')
+      end
+    end
   end
 end