Ensure OpenSource plan gets Ultimate features

OpenSource plan gets Ultimate features and is set as
a top tier plan.

Fix `GitlabSubscription#upgradable?` bug.

ee/app/models/ee/namespace.rb

@@ -13,11 +13,10 @@ module EE
     NAMESPACE_PLANS_TO_LICENSE_PLANS = {
       ::Plan::BRONZE => License::STARTER_PLAN,
       [::Plan::SILVER, ::Plan::PREMIUM, ::Plan::PREMIUM_TRIAL] => License::PREMIUM_PLAN,
-      [::Plan::GOLD, ::Plan::ULTIMATE, ::Plan::ULTIMATE_TRIAL] => License::ULTIMATE_PLAN
+      [::Plan::GOLD, ::Plan::ULTIMATE, ::Plan::ULTIMATE_TRIAL, ::Plan::OPEN_SOURCE] => License::ULTIMATE_PLAN
     }.freeze
 
     LICENSE_PLANS_TO_NAMESPACE_PLANS = NAMESPACE_PLANS_TO_LICENSE_PLANS.invert.freeze
-    PLANS = (NAMESPACE_PLANS_TO_LICENSE_PLANS.keys + [Plan::FREE]).flatten.freeze
     TEMPORARY_STORAGE_INCREASE_DAYS = 30
 
     prepended do
@@ -381,6 +380,10 @@ module EE
       feature_available?(:api_fuzzing)
     end
 
+    def default_plan?
+      actual_plan_name == ::Plan::DEFAULT
+    end
+
     def free_plan?
       actual_plan_name == ::Plan::FREE
     end
@@ -413,6 +416,10 @@ module EE
       actual_plan_name == ::Plan::ULTIMATE_TRIAL
     end
 
+    def opensource_plan?
+      actual_plan_name == ::Plan::OPEN_SOURCE
+    end
+
     def plan_eligible_for_trial?
       ::Plan::PLANS_ELIGIBLE_FOR_TRIAL.include?(actual_plan_name)
     end

ee/app/models/ee/plan.rb

@@ -20,6 +20,7 @@ module EE
       PAID_HOSTED_PLANS = [BRONZE, SILVER, PREMIUM, GOLD, ULTIMATE, ULTIMATE_TRIAL, PREMIUM_TRIAL, OPEN_SOURCE].freeze
       EE_ALL_PLANS = (EE_DEFAULT_PLANS + PAID_HOSTED_PLANS).freeze
       PLANS_ELIGIBLE_FOR_TRIAL = EE_DEFAULT_PLANS
+      TOP_PLANS = [GOLD, ULTIMATE, OPEN_SOURCE].freeze
 
       has_many :hosted_subscriptions, class_name: 'GitlabSubscription', foreign_key: 'hosted_plan_id'
 

ee/app/models/gitlab_subscription.rb

@@ -90,11 +90,9 @@ class GitlabSubscription < ApplicationRecord
   end
 
   def upgradable?
-    return false if [::Plan::GOLD, ::Plan::ULTIMATE].include?(plan_name)
+    return false if ::Plan::TOP_PLANS.include?(plan_name)
 
-    has_a_paid_hosted_plan? &&
-      !expired? &&
-      plan_name != Plan::PAID_HOSTED_PLANS[-1]
+    has_a_paid_hosted_plan? && !expired?
   end
 
   def plan_code=(code)

ee/spec/models/ee/namespace_spec.rb

@@ -48,7 +48,7 @@ RSpec.describe Namespace do
     end
 
     context "for a plan that isn't #{namespace_plan}" do
-      where(plan_name: described_class::PLANS - [namespace_plan])
+      where(plan_name: ::Plan.all_plans - [namespace_plan])
 
       with_them do
         it { is_expected.to eq(false) }
@@ -56,7 +56,7 @@ RSpec.describe Namespace do
     end
   end
 
-  described_class::PLANS.each do |namespace_plan|
+  ::Plan.all_plans.each do |namespace_plan|
     describe "#{namespace_plan}_plan?", :saas do
       it_behaves_like 'plan helper', namespace_plan
     end
@@ -165,20 +165,66 @@ RSpec.describe Namespace do
 
   context 'scopes' do
     describe '.with_feature_available_in_plan', :saas do
-      let!(:namespace) { create(:namespace) }
+      let(:starter_feature) { :audit_events }
+      let(:premium_feature) { :epics }
+      let(:ultimate_feature) { :dast }
+
+      context 'Bronze plan has Starter features' do
+        let!(:bronze_namespace) { create(:namespace_with_plan, plan: :bronze_plan) }
+
+        it 'returns namespaces with plan' do
+          create(:namespace_with_plan, plan: :free_plan)
+
+          expect(described_class.with_feature_available_in_plan(starter_feature)).to match_array([bronze_namespace])
+        end
 
-      context 'plan is nil' do
-        it 'returns no namespace' do
-          expect(described_class.with_feature_available_in_plan(:group_project_templates)).to be_empty
+        it 'includes namespace from higher plans' do
+          ultimate_namespace = create(:namespace_with_plan, plan: :ultimate_plan)
+
+          expect(described_class.with_feature_available_in_plan(starter_feature))
+            .to include(ultimate_namespace)
         end
       end
 
-      context 'plan is set' do
-        it 'returns namespaces with plan' do
+      context 'Silver, Premium and Premium_trial plans have Premium license features' do
+        let!(:silver_namespace) { create(:namespace_with_plan, plan: :silver_plan) }
+        let!(:premium_namespace) { create(:namespace_with_plan, plan: :premium_plan) }
+        let!(:premium_trial_namespace) { create(:namespace_with_plan, plan: :premium_trial_plan) }
+        let!(:not_included_namespace) { create(:namespace_with_plan, plan: :bronze_plan) }
+
+        it 'returns namespaces with matching plans' do
+          expect(described_class.with_feature_available_in_plan(premium_feature))
+            .to contain_exactly(silver_namespace, premium_namespace, premium_trial_namespace)
+        end
+
+        it 'includes namespace from higher plans' do
+          ultimate_namespace = create(:namespace_with_plan, plan: :ultimate_plan)
+
+          expect(described_class.with_feature_available_in_plan(premium_feature))
+            .to include(ultimate_namespace)
+        end
+      end
+
+      context 'Gold, Ultimate, Ultimate_trial and OpenSource plans have Ultimate license features' do
+        let!(:gold_namespace) { create(:namespace_with_plan, plan: :gold_plan) }
+        let!(:ultimate_namespace) { create(:namespace_with_plan, plan: :ultimate_plan) }
+        let!(:ultimate_trial_namespace) { create(:namespace_with_plan, plan: :ultimate_trial_plan) }
+        let!(:opensource_namespace) { create(:namespace_with_plan, plan: :opensource_plan) }
+
+        it 'returns namespaces with matching plans' do
           create(:gitlab_subscription, :bronze, namespace: namespace)
-          create(:namespace_with_plan, plan: :free_plan)
 
-          expect(described_class.with_feature_available_in_plan(:audit_events)).to eq([namespace])
+          expect(described_class.with_feature_available_in_plan(ultimate_feature))
+            .to contain_exactly(gold_namespace, ultimate_namespace, ultimate_trial_namespace, opensource_namespace)
+        end
+      end
+
+      context 'when no namespace matches the feature' do
+        let!(:bronze_namespace) { create(:namespace_with_plan, plan: :bronze_plan) }
+        let!(:silver_namespace) { create(:namespace_with_plan, plan: :silver_plan) }
+
+        it 'returns an empty list' do
+          expect(described_class.with_feature_available_in_plan(ultimate_feature)).to be_empty
         end
       end
     end
@@ -761,6 +807,22 @@ RSpec.describe Namespace do
     end
   end
 
+  describe '#paid?', :saas do
+    it 'returns true for a root namespace with a paid plan' do
+      create(:gitlab_subscription, :ultimate, namespace: namespace)
+
+      expect(namespace.paid?).to eq(true)
+    end
+
+    it 'returns false for a subgroup of a group with a paid plan' do
+      group = create(:group)
+      subgroup = create(:group, parent: group)
+      create(:gitlab_subscription, :ultimate, namespace: group)
+
+      expect(subgroup.paid?).to eq(false)
+    end
+  end
+
   describe '#actual_plan' do
     context 'when namespace does not have a subscription associated' do
       it 'generates a subscription and returns default plan' do
@@ -850,22 +912,6 @@ RSpec.describe Namespace do
     end
   end
 
-  describe '#paid?', :saas do
-    it 'returns true for a root namespace with a paid plan' do
-      create(:gitlab_subscription, :ultimate, namespace: namespace)
-
-      expect(namespace.paid?).to eq(true)
-    end
-
-    it 'returns false for a subgroup of a group with a paid plan' do
-      group = create(:group)
-      subgroup = create(:group, parent: group)
-      create(:gitlab_subscription, :ultimate, namespace: group)
-
-      expect(subgroup.paid?).to eq(false)
-    end
-  end
-
   describe '#actual_plan_name' do
     context 'when namespace does not have a subscription associated' do
       it 'returns default plan' do

ee/spec/models/gitlab_subscription_spec.rb

@@ -309,18 +309,19 @@ RSpec.describe GitlabSubscription, :saas do
 
     let(:subscription) { build(:gitlab_subscription) }
 
-    where(:plan_name, :paid_hosted_plan, :expired, :result) do
-      'bronze'   | true | false  | true
-      'bronze'   | true | true   | false
-      'premium'  | true | false  | true
-      'ultimate' | true | false  | false
+    shared_examples 'upgradable lower plan' do |plan_name|
+      where(:has_a_paid_hosted_plan, :expired, :result) do
+        false | false | false
+        true  | false | true
+        true  | true  | false
+        false | true  | false
       end
 
       with_them do
         before do
           plan = build(:plan, name: plan_name)
           allow(subscription).to receive(:expired?) { expired }
-        allow(subscription).to receive(:has_a_paid_hosted_plan?) { paid_hosted_plan }
+          allow(subscription).to receive(:has_a_paid_hosted_plan?) { has_a_paid_hosted_plan }
           subscription.assign_attributes(hosted_plan: plan)
         end
 
@@ -330,6 +331,37 @@ RSpec.describe GitlabSubscription, :saas do
       end
     end
 
+    shared_examples 'top plan' do |plan_name|
+      where(:has_a_paid_hosted_plan, :expired) do
+        false | false
+        true  | false
+        true  | true
+        false | true
+      end
+
+      with_them do
+        before do
+          plan = build(:plan, name: plan_name)
+          allow(subscription).to receive(:expired?) { expired }
+          allow(subscription).to receive(:has_a_paid_hosted_plan?) { has_a_paid_hosted_plan }
+          subscription.assign_attributes(hosted_plan: plan)
+        end
+
+        it 'returns false' do
+          expect(subscription.upgradable?).to eq(false)
+        end
+      end
+    end
+
+    (::Plan.all_plans - ::Plan::TOP_PLANS).each do |plan_name|
+      it_behaves_like 'upgradable lower plan', plan_name
+    end
+
+    ::Plan::TOP_PLANS.each do |plan_name|
+      it_behaves_like 'top plan', plan_name
+    end
+  end
+
   describe 'callbacks' do
     context 'after_commit :index_namespace' do
       let_it_be(:namespace) { create(:namespace) }