Refactor: extract duplicate steps to a service class

1 files changed, 40 insertions, 0 deletions

diff --git a/spec/services/projects/update_statistics_service_spec.rb b/spec/services/projects/update_statistics_service_spec.rb
new file mode 100644
index 00000000000..7e351c9ce54
--- /dev/null
+++ b/spec/services/projects/update_statistics_service_spec.rb
@@ -0,0 +1,40 @@
+require 'spec_helper'
+
+describe Projects::UpdateStatisticsService do
+  let(:service) { described_class.new(project, nil, statistics: statistics)}
+  let(:statistics) { %w(repository_size) }
+
+  describe '#execute' do
+    context 'with a non-existing project' do
+      let(:project) { nil }
+
+      it 'does nothing' do
+        expect_any_instance_of(ProjectStatistics).not_to receive(:refresh!)
+
+        service.execute
+      end
+    end
+
+    context 'with an existing project without a repository' do
+      let(:project) { create(:project) }
+
+      it 'does nothing' do
+        expect_any_instance_of(ProjectStatistics).not_to receive(:refresh!)
+
+        service.execute
+      end
+    end
+
+    context 'with an existing project with a repository' do
+      let(:project) { create(:project, :repository) }
+
+      it 'refreshes the project statistics' do
+        expect_any_instance_of(ProjectStatistics).to receive(:refresh!)
+          .with(only: statistics.map(&:to_sym))
+          .and_call_original
+
+        service.execute
+      end
+    end
+  end
+end