1 files changed, 30 insertions, 0 deletions
diff --git a/spec/lib/gitlab/git/commit_stats_spec.rb b/spec/lib/gitlab/git/commit_stats_spec.rb
new file mode 100644
index 00000000000..29d3909efec
--- /dev/null
+++ b/spec/lib/gitlab/git/commit_stats_spec.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+RSpec.describe Gitlab::Git::CommitStats, :seed_helper do
+  let(:repository) { Gitlab::Git::Repository.new('default', TEST_REPO_PATH, '', 'group/project') }
+  let(:commit) { Gitlab::Git::Commit.find(repository, SeedRepo::Commit::ID) }
+
+  def verify_stats!
+    stats = described_class.new(repository, commit)
+
+    expect(stats).to have_attributes(
+      additions: eq(11),
+      deletions: eq(6),
+      total: eq(17)
+    )
+  end
+
+  it 'returns commit stats and caches them', :use_clean_rails_redis_caching do
+    expect(repository.gitaly_commit_client).to receive(:commit_stats).with(commit.id).and_call_original
+
+    verify_stats!
+
+    expect(Rails.cache.fetch("commit_stats:group/project:#{commit.id}")).to eq([11, 6])
+
+    expect(repository.gitaly_commit_client).not_to receive(:commit_stats)
+
+    verify_stats!
+  end
+end