1 files changed, 73 insertions, 0 deletions
diff --git a/spec/services/projects/count_service_spec.rb b/spec/services/projects/count_service_spec.rb
new file mode 100644
index 00000000000..79b01e7620e
--- /dev/null
+++ b/spec/services/projects/count_service_spec.rb
@@ -0,0 +1,73 @@
+require 'spec_helper'
+
+describe Projects::CountService do
+  let(:project) { build(:project, id: 1) }
+  let(:service) { described_class.new(project) }
+
+  describe '#relation_for_count' do
+    it 'raises NotImplementedError' do
+      expect { service.relation_for_count }.to raise_error(NotImplementedError)
+    end
+  end
+
+  describe '#count' do
+    before do
+      allow(service).to receive(:cache_key_name).and_return('count_service')
+    end
+
+    it 'returns the number of rows' do
+      allow(service).to receive(:uncached_count).and_return(1)
+
+      expect(service.count).to eq(1)
+    end
+
+    it 'caches the number of rows', :use_clean_rails_memory_store_caching do
+      expect(service).to receive(:uncached_count).once.and_return(1)
+
+      2.times do
+        expect(service.count).to eq(1)
+      end
+    end
+  end
+
+  describe '#refresh_cache', :use_clean_rails_memory_store_caching do
+    before do
+      allow(service).to receive(:cache_key_name).and_return('count_service')
+    end
+
+    it 'refreshes the cache' do
+      expect(service).to receive(:uncached_count).once.and_return(1)
+
+      service.refresh_cache
+
+      expect(service.count).to eq(1)
+    end
+  end
+
+  describe '#delete_cache', :use_clean_rails_memory_store_caching do
+    before do
+      allow(service).to receive(:cache_key_name).and_return('count_service')
+    end
+
+    it 'removes the cache' do
+      expect(service).to receive(:uncached_count).twice.and_return(1)
+
+      service.count
+      service.delete_cache
+      service.count
+    end
+  end
+
+  describe '#cache_key_name' do
+    it 'raises NotImplementedError' do
+      expect { service.cache_key_name }.to raise_error(NotImplementedError)
+    end
+  end
+
+  describe '#cache_key' do
+    it 'returns the cache key as an Array' do
+      allow(service).to receive(:cache_key_name).and_return('count_service')
+      expect(service.cache_key).to eq(['projects', 1, 'count_service'])
+    end
+  end
+end