Let :be_filtered pass on an array with 1 item

Author: claudiob

lib/rspec-api/matchers/filter/matcher.rb

@@ -13,7 +13,7 @@ def initialize(options = {})
         end
 
         def matches?(response)
-          super && all_objects_have_field? && has_two_objects? && is_filtered?
+          super && all_objects_have_field? && has_one_object? && is_filtered?
         end
 
         def description
@@ -34,8 +34,8 @@ def all_objects_have_field?
           end
         end
 
-        def has_two_objects?
-          if json.length < 2
+        def has_one_object?
+          if json.length < 1
             msg = "Cannot test filtering on an array with #{json.length} items"
             raise RSpec::Core::Pending::PendingDeclaredInExample.new msg
           else

spec/rspec-api/matchers/be_filtered_spec.rb

@@ -50,11 +50,11 @@
       end
     end
 
-    it 'is pending given a JSON collection with less than 2 objects' do
-      response.body = '[{"id": 1}]'
+    it 'is pending given a JSON collection with less than 1 object' do
+      response.body = '[]'
       expect {
         expect(response).to be_filtered by: :id
-      }.to be_pending_with %r{Cannot test filtering on an array with 1 item}
+      }.to be_pending_with %r{Cannot test filtering on an array with 0 items}
     end
 
     it 'fails given a collection of objects without the filtering field' do