Add config_spec

spec/config_spec.rb

@@ -0,0 +1,19 @@
+RSpec.describe "docs/config/" do
+  %w(connpass doorkeeper).each do |site|
+    describe "#{site}.json" do
+      subject(:groups) { JSON.parse(json_path.read)["groups"] }
+
+      let(:json_path) { config_dir.join("#{site}.json") }
+
+      it "id shouldn't be duplicated" do
+        ids = groups.map { |g| g["id"] }
+        expect(ids).to match_array(ids.uniq)
+      end
+
+      it "name shouldn't be duplicated" do
+        names = groups.map { |g| g["name"] }
+        expect(names).to match_array(names.uniq)
+      end
+    end
+  end
+end

spec/spec_helper.rb

@@ -115,3 +115,7 @@ def app
 def spec_dir
   Pathname(__dir__)
 end
+
+def config_dir
+  spec_dir.join("..", "docs", "config")
+end