Add a spec for Index#dependency_names not include dev deps

2 files changed, 12 insertions, 0 deletions

diff --git a/spec/bundler/index_spec.rb b/spec/bundler/index_spec.rb
index da8e5731..1ff592ca 100644
--- a/spec/bundler/index_spec.rb
+++ b/spec/bundler/index_spec.rb
@@ -26,4 +26,12 @@ describe Bundler::Index do
       end
     end
   end
+
+  context "with specs that include development dependencies" do
+    let(:specs) { [*build_spec("a", "1.0.0") {|s| s.development("b", "~> 1.0") }] }
+
+    it "does not include b in #dependency_names" do
+      expect(subject.dependency_names).not_to include("b")
+    end
+  end
 end
diff --git a/spec/support/builders.rb b/spec/support/builders.rb
index 16ced2b9..0b660f12 100644
--- a/spec/support/builders.rb
+++ b/spec/support/builders.rb
@@ -505,6 +505,10 @@ module Spec
         @spec.add_runtime_dependency(name, requirements)
       end
 
+      def development(name, requirements)
+        @spec.add_development_dependency(name, requirements)
+      end
+
       def required_ruby_version=(*reqs)
         @spec.required_ruby_version = *reqs
       end