limit quote-doubling spec to 2.1

YAML only adds quotes to values starting in Ruby 2.1, so testing this
on earlier versions of Ruby seems silly.

2 files changed, 12 insertions, 1 deletions

diff --git a/spec/commands/config_spec.rb b/spec/commands/config_spec.rb
index e770dd8927..e0e0646ce8 100644
--- a/spec/commands/config_spec.rb
+++ b/spec/commands/config_spec.rb
@@ -210,7 +210,7 @@ E
       expect(out).to eq("1")
     end
 
-    it "doesn't duplicate quotes around values" do
+    it "doesn't duplicate quotes around values", :ruby => "2.1" do
       bundled_app(".bundle").mkpath
       File.open(bundled_app(".bundle/config"), 'w') do |f|
         f.write 'BUNDLE_FOO: "$BUILD_DIR"'
@@ -218,6 +218,9 @@ E
       expect(bundled_app(".bundle/config").read).to eq('BUNDLE_FOO: "$BUILD_DIR"')
       bundle :install, :jobs => 4
       run "puts Bundler.settings.send(:local_config_file).read"
+
+      # Starting in Ruby 2.1, YAML automatically adds double quotes
+      # around some values, including $ and newlines.
       expect(out).to include('BUNDLE_FOO: "$BUILD_DIR"')
     end
   end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index e55a72bcf0..1396dc6921 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -72,6 +72,14 @@ RSpec.configure do |config|
     config.filter_run_excluding :ruby => "2.1"
   end
 
+  if RUBY_VERSION >= "2.1"
+    config.filter_run_excluding :ruby => "1.8"
+    config.filter_run_excluding :ruby => "1.9"
+    config.filter_run_excluding :ruby => "2.0"
+  else
+    config.filter_run_excluding :ruby => "2.1"
+  end
+
   if Gem::VERSION < "2.2"
     config.filter_run_excluding :rubygems => "2.2"
   end