Merge pull request #3148 from matisnape/budget_investments_sorting_columns

Add sort links to admin tables

spec/helpers/budget_investments_helper_spec.rb

@@ -0,0 +1,47 @@
+require 'rails_helper'
+
+RSpec.describe BudgetInvestmentsHelper, type: :helper do
+
+  describe "#set_direction" do
+
+    it "returns ASC if current_direction is DESC" do
+      expect(set_direction("desc")).to eq "asc"
+    end
+
+    it "returns DESC if current_direction is ASC" do
+      expect(set_direction("asc")).to eq "desc"
+    end
+
+    it "returns DESC if current_direction is nil" do
+      expect(set_direction(nil)).to eq "desc"
+    end
+  end
+
+  describe "#set_sorting_icon" do
+    let(:sort_by) { "title" }
+    let(:params)  { { sort_by: sort_by } }
+
+    it "returns arrow down if current direction is ASC" do
+      expect(set_sorting_icon("asc", sort_by)).to eq "icon-arrow-down"
+    end
+
+    it "returns arrow top if current direction is DESC" do
+      expect(set_sorting_icon("desc", sort_by)).to eq "icon-arrow-top"
+    end
+
+    it "returns arrow down if sort_by present, but no direction" do
+      expect(set_sorting_icon(nil, sort_by)).to eq "icon-arrow-down"
+    end
+
+    it "returns no icon if sort_by and direction is missing" do
+      params[:sort_by] = nil
+      expect(set_sorting_icon(nil, sort_by)).to eq ""
+    end
+
+    it "returns no icon if sort_by is incorrect" do
+      params[:sort_by] = "random"
+      expect(set_sorting_icon("asc", sort_by)).to eq ""
+    end
+  end
+
+end