From a91e505051742b967a5d8e3ff141d1ee27068e0f Mon Sep 17 00:00:00 2001
From: Michael Kohl <me@citizen428.net>
Date: Fri, 11 Feb 2022 13:38:17 +0700
Subject: [PATCH] Add FeatureFlag.all (#16496)

---
 app/services/feature_flag.rb       |  8 ++++++++
 spec/services/feature_flag_spec.rb | 10 ++++++++++
 2 files changed, 18 insertions(+)

diff --git a/app/services/feature_flag.rb b/app/services/feature_flag.rb
index 0b0826b27..7aff2bc26 100644
--- a/app/services/feature_flag.rb
+++ b/app/services/feature_flag.rb
@@ -44,5 +44,13 @@ module FeatureFlag
 
       enabled?(feature_flag_name, *args)
     end
+
+    # Retrieve a list of all currently defined flags and their status. This is
+    # primarily intended for development and wraps +Flipper.features+.
+    #
+    # @return [Hash<Symbol, Symbol>] the defined flags with their status (+:on+ or +:off+).
+    def all
+      Flipper.features.to_h { |feature| [feature.name.to_sym, feature.state] }
+    end
   end
 end
diff --git a/spec/services/feature_flag_spec.rb b/spec/services/feature_flag_spec.rb
index 7ca000fca..2e207a2f8 100644
--- a/spec/services/feature_flag_spec.rb
+++ b/spec/services/feature_flag_spec.rb
@@ -99,4 +99,14 @@ describe FeatureFlag, type: :service do
       end
     end
   end
+
+  describe ".all", :aggregate_failures do
+    it "returns a hash with all feature flags and their status" do
+      described_class.enable(:flag1)
+      expect(described_class.all).to eq({ flag1: :on })
+
+      described_class.disable(:flag2)
+      expect(described_class.all).to eq({ flag1: :on, flag2: :off })
+    end
+  end
 end