Set strict type for member/key/value types too

fixes #280

lib/virtus/attribute/collection.rb

@@ -66,7 +66,7 @@ def self.build_type(definition)
 
       # @api private
       def self.merge_options!(type, options)
-        options[:member_type] ||= Attribute.build(type.member_type)
+        options[:member_type] ||= Attribute.build(type.member_type, strict: options[:strict])
       end
 
       # @api public

lib/virtus/attribute/hash.rb

@@ -70,7 +70,7 @@ def self.infer_key_and_value_types(type)
                 value_type
               end
 
-            { :key_type   => key_primitive, :value_type => value_primitive}
+            { :key_type => key_primitive, :value_type => value_primitive}
           end
         end
 
@@ -92,8 +92,8 @@ def self.build_type(definition)
 
       # @api private
       def self.merge_options!(type, options)
-        options[:key_type]   ||= Attribute.build(type.key_type)
-        options[:value_type] ||= Attribute.build(type.value_type)
+        options[:key_type]   ||= Attribute.build(type.key_type, :strict => options[:strict])
+        options[:value_type] ||= Attribute.build(type.value_type, :strict => options[:strict])
       end
 
       # Coerce members

spec/unit/virtus/attribute/collection/class_methods/build_spec.rb

@@ -1,7 +1,9 @@
 require 'spec_helper'
 
 describe Virtus::Attribute, '.build' do
-  subject { described_class.build(type) }
+  subject { described_class.build(type, options) }
+
+  let(:options) { {} }
 
   shared_examples_for 'a valid collection attribute instance' do
     it { should be_instance_of(Virtus::Attribute::Collection) }
@@ -91,4 +93,13 @@
       expect(subject.type.member_type).to be(Axiom::Types::String)
     end
   end
+
+  context 'when strict mode is used' do
+    let(:type) { Array[String] }
+    let(:options) { { strict: true } }
+
+    it 'sets strict mode for member type' do
+      expect(subject.member_type).to be_strict
+    end
+  end
 end

spec/unit/virtus/attribute/hash/class_methods/build_spec.rb

@@ -1,7 +1,9 @@
 require 'spec_helper'
 
 describe Virtus::Attribute::Hash, '.build' do
-  subject { described_class.build(type) }
+  subject { described_class.build(type, options) }
+
+  let(:options) { {} }
 
   shared_examples_for 'a valid hash attribute instance' do
     it { should be_instance_of(Virtus::Attribute::Hash) }
@@ -91,4 +93,14 @@
       )
     end
   end
+
+  context 'when strict mode is used' do
+    let(:type) { Hash[String => Integer] }
+    let(:options) { { :strict => true } }
+
+    it 'sets the strict mode for key/value types' do
+      expect(subject.key_type).to be_strict
+      expect(subject.value_type).to be_strict
+    end
+  end
 end