add option to disable autoloading of root schedule

Author: bibendi

lib/schked/config.rb

@@ -4,7 +4,8 @@
 
 module Schked
   class Config
-    attr_writer :logger
+    attr_writer :logger,
+      :do_not_load_root_schedule
 
     def paths
       @paths ||= []
@@ -18,6 +19,10 @@ def logger
       @logger ||= Logger.new($stdout).tap { |l| l.level = Logger::INFO }
     end
 
+    def do_not_load_root_schedule?
+      !!@do_not_load_root_schedule
+    end
+
     def register_callback(name, &block)
       callbacks[name] << block
     end

lib/schked/railtie.rb

@@ -6,7 +6,10 @@ module Schked
   class Railtie < Rails::Railtie
     class PathsConfig
       def self.call(app)
-        if (root_schedule = app.root.join("config", "schedule.rb")).exist?
+        return if Schked.config.do_not_load_root_schedule?
+
+        root_schedule = app.root.join("config", "schedule.rb")
+        if root_schedule.exist?
           path = root_schedule.to_s
           Schked.config.paths << path unless Schked.config.paths.include?(path)
         end

spec/rails/railtie_spec.rb

@@ -4,7 +4,11 @@
 
 describe Schked::Railtie do
   describe "schked.config" do
-    subject(:config) { Schked.config }
+    let(:config) { Schked::Config.new }
+
+    before do
+      allow(Schked).to receive(:config).and_return(config)
+    end
 
     context "when by default root schedule doesn't exist" do
       it { expect(config.paths).to be_empty }
@@ -36,6 +40,14 @@
           expect(config.paths).to match_array([schedule_path])
         end
       end
+
+      context "when passed do_not_load_root_schedule config option" do
+        before { config.do_not_load_root_schedule = true }
+
+        it "doesn't add root schedule to paths" do
+          expect(config.paths).to be_empty
+        end
+      end
     end
   end
 end