Add new setting to enable/disable map marker clustering

spec/helpers/settings_helper_spec.rb

@@ -13,15 +13,46 @@ RSpec.describe SettingsHelper do
   end
 
   describe "#feature?" do
-    it "returns presence of feature flag setting value" do
+    it "finds settings by the given name prefixed with 'feature.' and returns its presence" do
       Setting["feature.f1"] = "active"
-      Setting["feature.f2"] = ""
-      Setting["feature.f3"] = nil
+      Setting["feature.f2"] = true
+      Setting["feature.f3"] = false
+      Setting["feature.f4"] = ""
+      Setting["feature.f5"] = nil
 
       expect(feature?("f1")).to eq("active")
-      expect(feature?("f2")).to be nil
+      expect(feature?("f2")).to eq("t")
       expect(feature?("f3")).to be nil
       expect(feature?("f4")).to be nil
+      expect(feature?("f5")).to be nil
+    end
+
+    it "finds settings by the given name prefixed with 'process.' and returns its presence" do
+      Setting["process.p1"] = "active"
+      Setting["process.p2"] = true
+      Setting["process.p3"] = false
+      Setting["process.p4"] = ""
+      Setting["process.p5"] = nil
+
+      expect(feature?("p1")).to eq("active")
+      expect(feature?("p2")).to eq("t")
+      expect(feature?("p3")).to be nil
+      expect(feature?("p4")).to be nil
+      expect(feature?("p5")).to be nil
+    end
+
+    it "finds settings by the full key name and returns its presence" do
+      Setting["map.feature.f1"] = "active"
+      Setting["map.feature.f2"] = true
+      Setting["map.feature.f3"] = false
+      Setting["map.feature.f4"] = ""
+      Setting["map.feature.f5"] = nil
+
+      expect(feature?("map.feature.f1")).to eq("active")
+      expect(feature?("map.feature.f2")).to eq("t")
+      expect(feature?("map.feature.f3")).to be nil
+      expect(feature?("map.feature.f4")).to be nil
+      expect(feature?("map.feature.f5")).to be nil
     end
   end
 end