1 files changed, 80 insertions, 0 deletions
diff --git a/qa/qa/specs/features/browser_ui/3_create/web_ide/open_web_ide_from_diff_tab_spec.rb b/qa/qa/specs/features/browser_ui/3_create/web_ide/open_web_ide_from_diff_tab_spec.rb
new file mode 100644
index 00000000000..1789e20e216
--- /dev/null
+++ b/qa/qa/specs/features/browser_ui/3_create/web_ide/open_web_ide_from_diff_tab_spec.rb
@@ -0,0 +1,80 @@
+# frozen_string_literal: true
+
+module QA
+  RSpec.describe 'Create' do
+    describe 'Open Web IDE from Diff Tab' do
+      files = [
+          {
+              file_path: 'file1',
+              content: 'test1'
+          },
+          {
+              file_path: 'file2',
+              content: 'test2'
+          },
+          {
+              file_path: 'file3',
+              content: 'test3'
+          }
+      ]
+
+      let(:project) do
+        Resource::Project.fabricate_via_api! do |project|
+          project.initialize_with_readme = true
+        end
+      end
+
+      let(:source) do
+        Resource::Repository::Commit.fabricate_via_api! do |commit|
+          commit.project = project
+          commit.branch = 'new-mr'
+          commit.start_branch = project.default_branch
+          commit.commit_message = 'Add new files'
+          commit.add_files(files)
+        end
+      end
+
+      let(:merge_request) do
+        Resource::MergeRequest.fabricate_via_api! do |mr|
+          mr.source = source
+          mr.project = project
+          mr.source_branch = 'new-mr'
+          mr.target_new_branch = false
+        end
+      end
+
+      before do
+        Flow::Login.sign_in
+
+        merge_request.visit!
+      end
+
+      it 'opens and edits a multi-file merge request in Web IDE from Diff Tab', testcase: 'https://gitlab.com/gitlab-org/quality/testcases/-/issues/997' do
+        Page::MergeRequest::Show.perform do |show|
+          show.click_diffs_tab
+          show.edit_file_in_web_ide('file1')
+        end
+
+        Page::Project::WebIDE::Edit.perform do |ide|
+          files.each do |files|
+            expect(ide).to have_file(files[:file_path])
+            expect(ide).to have_file_content(files[:file_path], files[:content])
+          end
+
+          ide.delete_file('file1')
+          ide.commit_changes
+        end
+
+        merge_request.visit!
+
+        Page::MergeRequest::Show.perform do |show|
+          show.click_diffs_tab
+
+          expect(show).not_to have_file('file1')
+          expect(show).to have_file('file2')
+          expect(show).to have_file('file3')
+        end
+      end
+    end
+  end
+end