Implements Adding Tournaments to Database

app/interactors/save_tournament_to_database.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class SaveTournamentToDatabase
+  include Interactor
+
+  def call
+    if context.tournament.save
+      nil
+    else
+      context.fail!
+    end
+  end
+end

spec/interactors/save_tournament_to_database_interactor_spec.rb

@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+RSpec.describe SaveTournamentToDatabase do
+  before do
+    @tournament = create(:tournament)
+  end
+
+  context 'save succeeds' do
+    let(:context) do
+      SaveTournamentToDatabase.call(tournament: @tournament)
+    end
+    before do
+      expect_any_instance_of(Tournament)
+        .to receive(:save).and_return(true)
+    end
+
+    it 'succeeds' do
+      expect(context).to be_a_success
+    end
+
+    it 'provides the tournament' do
+      expect(context.tournament).to eq(@tournament)
+    end
+  end
+
+  context 'save fails' do
+    let(:context) do
+      SaveTournamentToDatabase.call(tournament: @tournament)
+    end
+    before do
+      expect_any_instance_of(Tournament)
+        .to receive(:save).and_return(false)
+    end
+
+    it 'fails' do
+      test = context.failure?
+      expect(test).to eq(true)
+    end
+  end
+end