1 files changed, 49 insertions, 0 deletions

diff --git a/spec/features/issues/new_branch_button_spec.rb b/spec/features/issues/new_branch_button_spec.rb
new file mode 100644
index 00000000000..9219b767547
--- /dev/null
+++ b/spec/features/issues/new_branch_button_spec.rb
@@ -0,0 +1,49 @@
+require 'rails_helper'
+
+feature 'Start new branch from an issue', feature: true do
+  let!(:project)   { create(:project) }
+  let!(:issue)     { create(:issue, project: project) }
+  let!(:user)      { create(:user)}
+
+  context "for team members" do
+    before do
+      project.team << [user, :master]
+      login_as(user)
+    end
+
+    it 'shown the new branch button', js: false do
+      visit namespace_project_issue_path(project.namespace, project, issue)
+
+      expect(page).to have_link "New Branch"
+    end
+
+    context "when there is a referenced merge request" do
+      let(:note) do
+        create(:note, :on_issue, :system, project: project,
+                                          note: "mentioned in !#{referenced_mr.iid}")
+      end
+      let(:referenced_mr) do
+        create(:merge_request, :simple, source_project: project, target_project: project,
+                                        description: "Fixes ##{issue.iid}", author: user)
+      end
+
+      before do
+        issue.notes << note
+
+        visit namespace_project_issue_path(project.namespace, project, issue)
+      end
+
+      it "hides the new branch button", js: true do
+        expect(page).not_to have_link "New Branch"
+        expect(page).to have_content /1 Related Merge Request/
+      end
+    end
+  end
+
+  context "for visiters" do
+    it 'no button is shown', js: false do
+      visit namespace_project_issue_path(project.namespace, project, issue)
+      expect(page).not_to have_link "New Branch"
+    end
+  end
+end