added 260907 version of worker toolkit

worker-toolkit-flaredown/repo/backend/spec/models/reaction_spec.rb

@@ -0,0 +1,52 @@
+require "rails_helper"
+
+describe Reaction do
+  describe "Validations" do
+    it { is_expected.to validate_presence_of(:value) }
+    it { is_expected.to validate_presence_of(:encrypted_user_id) }
+  end
+
+  let(:user) { create(:user) }
+  let(:other_user) { create(:user) }
+
+  context "#values_count_with_participated" do
+    it "should indicate counts and when the given user has already used the requested reaction" do
+      reaction = create(:reaction, encrypted_user_id: user.encrypted_id, value: ":smile:")
+      create(:reaction, encrypted_user_id: other_user.encrypted_id, value: ":smile:")
+      create(:reaction, encrypted_user_id: other_user.encrypted_id, value: ":smirk:")
+
+      expect(subject.class.values_count_with_participated(user.encrypted_id)).to match_array([
+        hash_including({
+          # A real reaction ID is only required/meaningful when the current user has reacted.
+          # Otherwise the value is meaningless.
+          id: reaction.id.to_s,
+          value: ":smile:",
+          count: 2,
+          participated: true
+        }),
+        hash_including({
+          # id is not relevant here because the user did not react
+          value: ":smirk:",
+          count: 1,
+          participated: false
+        })
+      ])
+    end
+
+    it "should work with a filtered set" do
+      create(:reaction, encrypted_user_id: user.encrypted_id)
+      create(:reaction, encrypted_user_id: other_user.encrypted_id)
+      create(:reaction, encrypted_user_id: other_user.encrypted_id, value: ":smirk:")
+
+      filtered = Reaction.where(value: ":smirk:")
+
+      expect(filtered.values_count_with_participated(user.encrypted_id)).to match([
+        hash_including({
+          value: ":smirk:",
+          count: 1,
+          participated: false
+        })
+      ])
+    end
+  end
+end