Fixed to enable the download buttons on Utilization Report tab

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1649945

app/helpers/application_helper/button/utilization_download.rb

@@ -6,8 +6,8 @@ def disabled?
     return false if @view_context.x_active_tree.nil? &&
                     @sb.fetch_path(:planning, :rpt) && !@sb[:rpt].table.data.empty?
 
-    # b) we are in the "Utilization" and have trend report and summary
-    return false if @sb.fetch_path(:util, :trend_rpt) && @sb.fetch_path(:util, :summary)
+    # b) we are in the "Utilization" and have trend report
+    return false if @layout == 'miq_capacity_utilization' && @sb[:active_tab] == 'report' && !@sb.fetch_path(:trend_rpt).table.data.empty?
 
     # c) we are in the "Bottlenecks" on 'Report' tab and have report data available
     return false if @layout == 'miq_capacity_bottlenecks' && @sb[:active_tab] == 'report' && !@sb[:report].table.data.empty?

spec/helpers/application_helper/buttons/utilization_download_spec.rb

@@ -1,28 +1,57 @@
 describe ApplicationHelper::Button::UtilizationDownload do
   let(:view_context) { setup_view_context_with_sandbox({}) }
   let(:report) { FactoryGirl.create(:miq_report, :miq_report_results => []) }
-  let(:button) { described_class.new(view_context, {}, {'layout' => 'miq_capacity_bottlenecks'}, {}) }
+  let!(:button) { described_class.new(view_context, {}, {'layout' => 'miq_capacity_bottlenecks'}, {}) }
 
-  before do
-    button.instance_variable_set(:@sb, :active_tab => "report", :report => report)
-    allow(view_context).to receive(:x_active_tree).and_return(:bottlenecks_tree)
-  end
+  context "Bottlenecks explorer" do
+    before do
+      button.instance_variable_set(:@sb, :active_tab => "report", :report => report)
+      allow(view_context).to receive(:x_active_tree).and_return(:bottlenecks_tree)
+    end
+
+    context '#disabled?' do
+      it 'when report tab has no data available' do
+        report.table = OpenStruct.new(:data => [])
+        expect(button.disabled?).to be_truthy
+      end
+
+      it 'when report tab has data' do
+        report.table = OpenStruct.new(:data => [:foo => 'bar'])
+        expect(button.disabled?).to be_falsey
+      end
 
-  context '#disabled?' do
-    it 'when report tab has no data available' do
-      report.table = OpenStruct.new(:data => [])
-      expect(button.disabled?).to be_truthy
+      it 'when on summary tab' do
+        button.instance_variable_set(:@sb, :active_tab => "summary", :report => report)
+        report.table = OpenStruct.new(:data => [:foo => 'bar'])
+        expect(button.disabled?).to be_truthy
+      end
     end
+  end
+
+  context "Utilization explorer" do
+    let(:button) { described_class.new(view_context, {}, {'layout' => 'miq_capacity_utilization'}, {}) }
 
-    it 'when report tab has data' do
-      report.table = OpenStruct.new(:data => [:foo => 'bar'])
-      expect(button.disabled?).to be_falsey
+    before do
+      button.instance_variable_set(:@sb, :active_tab => "report", :trend_rpt => report)
+      allow(view_context).to receive(:x_active_tree).and_return(:utilization_tree)
     end
 
-    it 'when on summary tab' do
-      button.instance_variable_set(:@sb, :active_tab => "summary", :report => report)
-      report.table = OpenStruct.new(:data => [:foo => 'bar'])
-      expect(button.disabled?).to be_truthy
+    context '#disabled?' do
+      it 'when report tab has no data available' do
+        report.table = OpenStruct.new(:data => [])
+        expect(button.disabled?).to be_truthy
+      end
+
+      it 'when report tab has data' do
+        report.table = OpenStruct.new(:data => [:foo => 'bar'])
+        expect(button.disabled?).to be_falsey
+      end
+
+      it 'when on summary tab' do
+        button.instance_variable_set(:@sb, :active_tab => "summary", :trend_rpt => report)
+        report.table = OpenStruct.new(:data => [:foo => 'bar'])
+        expect(button.disabled?).to be_truthy
+      end
     end
   end
 end