Add Milestone tag select filter on executions public page

spec/models/budget/investment_spec.rb

@@ -1274,17 +1274,22 @@ describe Budget::Investment do
   describe "milestone_tags" do
     context "without milestone_tags" do
       let(:investment) {create(:budget_investment)}
+
       it "do not have milestone_tags" do
         expect(investment.milestone_tag_list).to eq([])
         expect(investment.milestone_tags).to eq([])
       end
+
       it "add a new milestone_tag" do
         investment.milestone_tag_list = "tag1,tag2"
+
         expect(investment.milestone_tag_list).to eq(["tag1", "tag2"])
       end
     end
+
     context "with milestone_tags" do
       let(:investment) {create(:budget_investment, :with_milestone_tags)}
+
       it "has milestone_tags" do
         expect(investment.milestone_tag_list.count).to eq(1)
       end

spec/models/budget_spec.rb

@@ -306,4 +306,46 @@ describe Budget do
       expect(budget.formatted_amount(1000.00)).to eq ("€1,000")
     end
   end
+
+  describe "#milestone_tags" do
+    let(:investment1) { build(:budget_investment, :winner) }
+    let(:investment2) { build(:budget_investment, :winner) }
+    let(:investment3) { build(:budget_investment) }
+
+    it "returns an empty array if not investments milestone_tags" do
+      budget.investments << investment1
+
+      expect(budget.milestone_tags).to eq([])
+    end
+
+    it "returns array of investments milestone_tags" do
+      investment1.milestone_tag_list = "tag1"
+      investment1.save
+      budget.investments << investment1
+
+      expect(budget.milestone_tags).to eq(["tag1"])
+    end
+
+    it "returns uniq list of investments milestone_tags" do
+      investment1.milestone_tag_list = "tag1"
+      investment1.save
+      investment2.milestone_tag_list = "tag1"
+      investment2.save
+      budget.investments << investment1
+      budget.investments << investment2
+
+      expect(budget.milestone_tags).to eq(["tag1"])
+    end
+
+    it "returns tags only for winner investments" do
+      investment1.milestone_tag_list = "tag1"
+      investment1.save
+      investment3.milestone_tag_list = "tag2"
+      investment3.save
+      budget.investments << investment1
+      budget.investments << investment3
+
+      expect(budget.milestone_tags).to eq(["tag1"])
+    end
+  end
 end

spec/models/legislation/process_spec.rb

@@ -197,21 +197,28 @@ describe Legislation::Process do
   describe "milestone_tags" do
     context "without milestone_tags" do
       let(:process) {create(:legislation_process)}
+
       it "do not have milestone_tags" do
         expect(process.milestone_tag_list).to eq([])
         expect(process.milestone_tags).to eq([])
       end
+
       it "add a new milestone_tag" do
         process.milestone_tag_list = "tag1,tag2"
+
         expect(process.milestone_tag_list).to eq(["tag1", "tag2"])
       end
     end
+
     context "with milestone_tags" do
+
       let(:process) {create(:legislation_process, :with_milestone_tags)}
+
       it "has milestone_tags" do
         expect(process.milestone_tag_list.count).to eq(1)
       end
     end
+
   end
 
 end