feat: Add Job.registered?

Author: kspurgin

lib/kiba/extend/job.rb

@@ -47,6 +47,14 @@ def output?(jobkey, mode: :warn_if_unregistered)
 
         !(res.outrows == 0)
       end
+
+      # @param jobkey [Symbol] registry entry for job with namespace
+      # @return [Boolean] without drama about registry errors.
+      # @note Use this if you only care about whether a job has been registered,
+      #   not whether it has output
+      def registered?(jobkey) = Kiba::Extend.registry.entry_objs
+        .map { |eo| eo.key.to_sym }
+        .include?(jobkey)
     end
   end
 end

spec/kiba/extend/job_spec.rb

@@ -121,4 +121,32 @@
       end
     end
   end
+
+  describe ".registered?" do
+    let(:result) { Kiba::Extend::Job.registered?(key) }
+
+    context "when key not registered" do
+      let(:key) { :foo__bar }
+
+      it "returns false" do
+        expect(result).to be false
+      end
+    end
+
+    context "when job file does not exist" do
+      before(:each) do
+        Kiba::Extend.config.registry = Kiba::Extend::Registry::FileRegistry
+        prepare_registry
+      end
+      after(:each) { Kiba::Extend.reset_config }
+
+      context "when job output is 0 rows" do
+        let(:key) { :noresultfile }
+
+        it "returns true" do
+          expect(result).to be true
+        end
+      end
+    end
+  end
 end