Convert have_id matcher argument to string.

Author: wildfiler

lib/jsonapi/rspec/id.rb

@@ -3,7 +3,7 @@ module RSpec
     module Id
       ::RSpec::Matchers.define :have_id do |expected|
         match do |actual|
-          JSONAPI::RSpec.as_indifferent_hash(actual)['id'] == expected
+          JSONAPI::RSpec.as_indifferent_hash(actual)['id'].to_s == expected.to_s
         end
       end
     end

spec/jsonapi/id_spec.rb

@@ -5,6 +5,14 @@
     expect('id' => 'foo').to have_id('foo')
   end
 
+  it 'succeeds when expectation is integer' do
+    expect('id' => '123').to have_id(123)
+  end
+
+  it 'succeeds when id is symbol' do
+    expect('id' => :foo).to have_id('foo')
+  end
+
   it 'fails when id mismatches' do
     expect('id' => 'foo').not_to have_id('bar')
   end