Bugfix: use API endpoints for Unleash 3.x

lib/unleash/configuration.rb

@@ -53,7 +53,7 @@ def refresh_backup_file!
     end
 
     def fetch_toggles_url
-      self.url + '/features'
+      self.url + '/client/features'
     end
 
     def client_metrics_url

spec/unleash/configuration_spec.rb

@@ -20,14 +20,36 @@
       # expect(config.validate!).to raise_error(ArgumentError)
       expect(config.backup_file).to_not be_nil
     end
+
     it "should by default be invalid" do
       config = Unleash::Configuration.new()
       expect{ config.validate! }.to raise_error(ArgumentError)
     end
+
     it "should be valid with the mandatory arguments set" do
       config = Unleash::Configuration.new(app_name: 'rspec_test', url: 'http://testurl/')
       expect{ config.validate! }.not_to raise_error
     end
+
+    it "support yield for setting the configuration" do
+      Unleash.configure do |config|
+        config.url      = 'http://test-url/'
+        config.app_name = 'my-test-app'
+      end
+      expect{ Unleash.configuration.validate! }.not_to raise_error
+      expect(Unleash.configuration.url).to eq('http://test-url/')
+      expect(Unleash.configuration.app_name).to eq('my-test-app')
+      expect(Unleash.configuration.fetch_toggles_url).to eq('http://test-url//client/features')
+    end
+
+    it "should build the correct unleash endpoints from the base url" do
+      config = Unleash::Configuration.new(url: 'https://testurl/api', app_name: 'test-app')
+      expect(config.url).to eq('https://testurl/api')
+      expect(config.fetch_toggles_url).to eq('https://testurl/api/client/features')
+      expect(config.client_metrics_url).to eq('https://testurl/api/client/metrics')
+      expect(config.client_register_url).to eq('https://testurl/api/client/register')
+    end
+
   end
 
 end