diff unfold

2 files changed, 16 insertions, 0 deletions

diff --git a/features/project/merge_requests.feature b/features/project/merge_requests.feature
index d4c71ba336e..8b6c296dfe6 100644
--- a/features/project/merge_requests.feature
+++ b/features/project/merge_requests.feature
@@ -139,3 +139,11 @@ Feature: Project Merge Requests
     And I click link "Show inline discussion" of the second file
     Then I should see a comment like "Line is wrong" in the second file
     And I should still see a comment like "Line is correct" in the first file
+
+  @javascript
+  Scenario: I unfold diff
+    Given project "Shop" have "Bug NS-05" open merge request with diffs inside
+    And I visit merge request page "Bug NS-05"
+    And I switch to the diff tab
+    And I unfold diff
+    Then I should see additional file lines
diff --git a/features/steps/project/merge_requests.rb b/features/steps/project/merge_requests.rb
index f0007a039e4..05d3e5067c5 100644
--- a/features/steps/project/merge_requests.rb
+++ b/features/steps/project/merge_requests.rb
@@ -242,6 +242,14 @@ class ProjectMergeRequests < Spinach::FeatureSteps
     end
   end
 
+  step 'I unfold diff' do
+    first('.js-unfold').click
+  end
+
+  step 'I should see additional file lines' do
+    expect(first('.text-file')).to have_content('.bundle')
+  end
+
   def project
     @project ||= Project.find_by!(name: "Shop")
   end