Cache the issuable counters for 2 minutes

Signed-off-by: Rémy Coutable <remy@rymai.me>

1 files changed, 95 insertions, 2 deletions

diff --git a/spec/helpers/issuables_helper_spec.rb b/spec/helpers/issuables_helper_spec.rb
index 2dd2eab0524..5effb7ea36c 100644
--- a/spec/helpers/issuables_helper_spec.rb
+++ b/spec/helpers/issuables_helper_spec.rb
@@ -1,10 +1,10 @@
 require 'spec_helper'
 
-describe IssuablesHelper do 
+describe IssuablesHelper do
   let(:label)  { build_stubbed(:label) }
   let(:label2) { build_stubbed(:label) }
 
-  context 'label tooltip' do
+  describe '#issuable_labels_tooltip' do
     it 'returns label text' do
       expect(issuable_labels_tooltip([label])).to eq(label.title)
     end
@@ -13,4 +13,97 @@ describe IssuablesHelper do
       expect(issuable_labels_tooltip([label, label2], limit: 1)).to eq("#{label.title}, and 1 more")
     end
   end
+
+  describe '#issuables_state_counter_text' do
+    let(:user) { create(:user) }
+
+    describe 'state text' do
+      before do
+        allow(helper).to receive(:issuables_count_for_state).and_return(42)
+      end
+
+      it 'returns "Open" when state is :opened' do
+        expect(helper.issuables_state_counter_text(:issues, :opened)).
+          to eq('<span>Open</span> <span class="badge">42</span>')
+      end
+
+      it 'returns "Closed" when state is :closed' do
+        expect(helper.issuables_state_counter_text(:issues, :closed)).
+          to eq('<span>Closed</span> <span class="badge">42</span>')
+      end
+
+      it 'returns "Merged" when state is :merged' do
+        expect(helper.issuables_state_counter_text(:merge_requests, :merged)).
+          to eq('<span>Merged</span> <span class="badge">42</span>')
+      end
+
+      it 'returns "All" when state is :all' do
+        expect(helper.issuables_state_counter_text(:merge_requests, :all)).
+          to eq('<span>All</span> <span class="badge">42</span>')
+      end
+    end
+
+    describe 'counter caching based on issuable type and params', :caching do
+      let(:params) do
+        {
+          'scope' => 'created-by-me',
+          'state' => 'opened',
+          'utf8' => '✓',
+          'author_id' => '11',
+          'assignee_id' => '18',
+          'label_name' => ['bug', 'discussion', 'documentation'],
+          'milestone_title' => 'v4.0',
+          'sort' => 'due_date_asc',
+          'namespace_id' => 'gitlab-org',
+          'project_id' => 'gitlab-ce',
+          'page' => 2
+        }
+      end
+
+      it 'returns the cached value when called for the same issuable type & with the same params' do
+        expect(helper).to receive(:params).twice.and_return(params)
+        expect(helper).to receive(:issuables_count_for_state).with(:issues, :opened).and_return(42)
+
+        expect(helper.issuables_state_counter_text(:issues, :opened)).
+          to eq('<span>Open</span> <span class="badge">42</span>')
+
+        expect(helper).not_to receive(:issuables_count_for_state)
+
+        expect(helper.issuables_state_counter_text(:issues, :opened)).
+          to eq('<span>Open</span> <span class="badge">42</span>')
+      end
+
+      describe 'keys not taken in account in the cache key' do
+        %w[state sort utf8 page].each do |param|
+          it "does not take in account params['#{param}'] in the cache key" do
+            expect(helper).to receive(:params).and_return('author_id' => '11', param => 'foo')
+            expect(helper).to receive(:issuables_count_for_state).with(:issues, :opened).and_return(42)
+
+            expect(helper.issuables_state_counter_text(:issues, :opened)).
+              to eq('<span>Open</span> <span class="badge">42</span>')
+
+            expect(helper).to receive(:params).and_return('author_id' => '11', param => 'bar')
+            expect(helper).not_to receive(:issuables_count_for_state)
+
+            expect(helper.issuables_state_counter_text(:issues, :opened)).
+              to eq('<span>Open</span> <span class="badge">42</span>')
+          end
+        end
+      end
+
+      it 'does not take params order in acount in the cache key' do
+        expect(helper).to receive(:params).and_return('author_id' => '11', 'state' => 'opened')
+        expect(helper).to receive(:issuables_count_for_state).with(:issues, :opened).and_return(42)
+
+        expect(helper.issuables_state_counter_text(:issues, :opened)).
+          to eq('<span>Open</span> <span class="badge">42</span>')
+
+        expect(helper).to receive(:params).and_return('state' => 'opened', 'author_id' => '11')
+        expect(helper).not_to receive(:issuables_count_for_state)
+
+        expect(helper.issuables_state_counter_text(:issues, :opened)).
+          to eq('<span>Open</span> <span class="badge">42</span>')
+      end
+    end
+  end
 end