From c989dddaa2735d25ae0b55cce4b0ae35057dada4 Mon Sep 17 00:00:00 2001
From: Taylor Fausak <taylor@fausak.me>
Date: Tue, 28 Jan 2014 11:43:06 -0600
Subject: [PATCH] Re #114; accept symbols as well as arrays

---
 lib/active_interaction/base.rb       |  4 ++--
 spec/active_interaction/base_spec.rb | 28 ++++++++++++++++++++++------
 2 files changed, 24 insertions(+), 8 deletions(-)

diff --git a/lib/active_interaction/base.rb b/lib/active_interaction/base.rb
index 1bd357b8..7324499a 100644
--- a/lib/active_interaction/base.rb
+++ b/lib/active_interaction/base.rb
@@ -129,8 +129,8 @@ def import_filters(klass, options = {})
         except = options[:except]
 
         other_filters = klass.filters.dup
-        other_filters.select! { |k, _| only.include?(k) } if only
-        other_filters.reject! { |k, _| except.include?(k) } if except
+        other_filters.select! { |k, _| [*only].include?(k) } if only
+        other_filters.reject! { |k, _| [*except].include?(k) } if except
 
         filters.merge!(other_filters)
       end
diff --git a/spec/active_interaction/base_spec.rb b/spec/active_interaction/base_spec.rb
index b61b4b6b..98857334 100644
--- a/spec/active_interaction/base_spec.rb
+++ b/spec/active_interaction/base_spec.rb
@@ -409,8 +409,8 @@ def filters(klass)
 
       it 'imports the filters' do
         expect(described_class.filters).to eq klass.filters
-          .select { |k, _| only.nil? ? true : only.include?(k) }
-          .reject { |k, _| except.nil? ? false : except.include?(k) }
+          .select { |k, _| only.nil? ? true : [*only].include?(k) }
+          .reject { |k, _| except.nil? ? false : [*except].include?(k) }
       end
 
       it 'does not modify the source' do
@@ -421,15 +421,31 @@ def filters(klass)
     end
 
     context 'with :only' do
-      include_examples 'import_filters examples'
+      context 'as an Array' do
+        include_examples 'import_filters examples'
 
-      let(:only) { [:x] }
+        let(:only) { [:x] }
+      end
+
+      context 'as an Symbol' do
+        include_examples 'import_filters examples'
+
+        let(:only) { :x }
+      end
     end
 
     context 'with :except' do
-      include_examples 'import_filters examples'
+      context 'as an Array' do
+        include_examples 'import_filters examples'
 
-      let(:except) { [:x] }
+        let(:except) { [:x] }
+      end
+
+      context 'as an Symbol' do
+        include_examples 'import_filters examples'
+
+        let(:except) { :x }
+      end
     end
 
     context 'with :only & :except' do