1 files changed, 25 insertions, 0 deletions
diff --git a/spec/serializers/context_commits_diff_entity_spec.rb b/spec/serializers/context_commits_diff_entity_spec.rb
new file mode 100644
index 00000000000..e8f38527f5b
--- /dev/null
+++ b/spec/serializers/context_commits_diff_entity_spec.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe ContextCommitsDiffEntity do
+  let_it_be(:merge_request) { create(:merge_request) }
+  let_it_be(:mrcc1) { create(:merge_request_context_commit, merge_request: merge_request, sha: "cfe32cf61b73a0d5e9f13e774abde7ff789b1660") }
+  let_it_be(:mrcc2) { create(:merge_request_context_commit, merge_request: merge_request, sha: "ae73cb07c9eeaf35924a10f713b364d32b2dd34f") }
+
+  context 'as json' do
+    subject { ContextCommitsDiffEntity.represent(merge_request.context_commits_diff).as_json }
+
+    it 'exposes commits_count' do
+      expect(subject[:commits_count]).to eq(2)
+    end
+
+    it 'exposes showing_context_commits_diff' do
+      expect(subject).to have_key(:showing_context_commits_diff)
+    end
+
+    it 'exposes diffs_path' do
+      expect(subject[:diffs_path]).to eq(Gitlab::Routing.url_helpers.diffs_project_merge_request_path(merge_request.project, merge_request, only_context_commits: true))
+    end
+  end
+end