Fix rails 4.2 failing specs

spec/cached_resource/caching_spec.rb

@@ -86,53 +86,55 @@ class NotTheThing < ActiveResource::Base
     include_examples "caching"
 
     # NOTE: Possibly flaky, but best easy/cheap way to test concurrency.
-    context 'when concurrency is turned on' do
-      before do
-        # it's on by default, but lets call the method
-        # to make sure it works
-        Thing.cached_resource.cache.clear
-        Thing.cached_resource.on!
-        NotTheThing.cached_resource.cache.clear
-        NotTheThing.cached_resource.on!
+    if ActiveResource::VERSION::MAJOR >= 5
+      context 'when concurrency is turned on' do
+        before do
+          # it's on by default, but lets call the method
+          # to make sure it works
+          Thing.cached_resource.cache.clear
+          Thing.cached_resource.on!
+          NotTheThing.cached_resource.cache.clear
+          NotTheThing.cached_resource.on!
 
-        ActiveResource::HttpMock.reset!
-        ActiveResource::HttpMock.respond_to do |mock|
-          mock.get "/things/5.json", {}, {:thing => {:id => 1, :name => ("x" * 1_000_000) }}.to_json
+          ActiveResource::HttpMock.reset!
+          ActiveResource::HttpMock.respond_to do |mock|
+            mock.get "/things/5.json", {}, {:thing => {:id => 1, :name => ("x" * 1_000_000) }}.to_json
+          end
         end
-      end
 
-      after do
-        Thing.cached_resource.concurrent_write = false
-      end
-
-      it "should cache a response asynchronusly when on" do
-        Thing.cached_resource.concurrent_write = true
-        result = Thing.find(5)
-        read_from_cache("thing/5").should == nil
-        loops = 0
-        begin
-          Timeout.timeout(5) do
-            loop do
-              loops += 1
-              if read_from_cache("thing/5") == result
-                break
-              else
-                sleep 0.5
+        after do
+          Thing.cached_resource.concurrent_write = false
+        end
+
+        it "should cache a response asynchronusly when on" do
+          Thing.cached_resource.concurrent_write = true
+          result = Thing.find(5)
+          read_from_cache("thing/5").should == nil
+          loops = 0
+          begin
+            Timeout.timeout(5) do
+              loop do
+                loops += 1
+                if read_from_cache("thing/5") == result
+                  break
+                else
+                  sleep 0.5
+                end
               end
             end
+          rescue Timeout::Error
+            RSpec::Expectations.fail_with("Concurrency failed: Cache was not populated within the expected time")
           end
-        rescue Timeout::Error
-          RSpec::Expectations.fail_with("Concurrency failed: Cache was not populated within the expected time")
-        end
 
-        loops.should > 0
-        read_from_cache("thing/5").should == result
-      end
+          loops.should > 0
+          read_from_cache("thing/5").should == result
+        end
 
-      it "will cache a response synchronously when off" do
-        Thing.cached_resource.concurrent_write = false
-        result = Thing.find(5)
-        read_from_cache("thing/5").should == result
+        it "will cache a response synchronously when off" do
+          Thing.cached_resource.concurrent_write = false
+          result = Thing.find(5)
+          read_from_cache("thing/5").should == result
+        end
       end
     end