Array attribute type converter

CHANGELOG.md

@@ -54,3 +54,7 @@ semantics
 ## 2.1.1
 
 * Fix `Time` converter
+
+## 2.2.0
+
+* Add `Array` converter

README.md

@@ -100,6 +100,7 @@ All converters return nil if conversion could not be made.
 - Symbol
 - Time
 - Boolean
+- Array
 
 ### String type converter options
 

lib/tainbox/type_converter.rb

@@ -1,3 +1,4 @@
+require 'active_support/core_ext/array/wrap'
 require 'active_support/values/time_zone'
 
 class Tainbox::TypeConverter
@@ -72,3 +73,7 @@ def convert
     !!value
   end
 end
+
+Tainbox.define_converter(Array) do
+  Array.wrap(value) rescue nil
+end

lib/tainbox/version.rb

@@ -1,3 +1,3 @@
 module Tainbox
-  VERSION = '2.1.2'
+  VERSION = '2.2.0'
 end

spec/tainbox_spec.rb

@@ -166,4 +166,34 @@ def name
       expect(oliver.name).to eq('John')
     end
   end
+
+  describe 'array converter' do
+    subject { person.phone_numbers }
+
+    let(:person) do
+      Class.new do
+        include Tainbox
+
+        attribute :phone_numbers, Array
+      end.new(phone_numbers: phone_numbers)
+    end
+
+    context 'without value' do
+      let(:phone_numbers) { nil }
+
+      it { is_expected.to eq([]) }
+    end
+
+    context 'with array as a value' do
+      let(:phone_numbers) { [12345, 67890] }
+
+      it { is_expected.to eq(phone_numbers) }
+    end
+
+    context 'with string as a value' do
+      let(:phone_numbers) { '+1 234-500' }
+
+      it { is_expected.to eq([phone_numbers]) }
+    end
+  end
 end