1 files changed, 56 insertions, 0 deletions
diff --git a/spec/views/projects/diffs/_stats.html.haml_spec.rb b/spec/views/projects/diffs/_stats.html.haml_spec.rb
new file mode 100644
index 00000000000..c7d2f85747c
--- /dev/null
+++ b/spec/views/projects/diffs/_stats.html.haml_spec.rb
@@ -0,0 +1,56 @@
+require 'spec_helper'
+
+describe 'projects/diffs/_stats.html.haml' do
+  let(:project) { create(:project, :repository) }
+  let(:commit) { project.commit('570e7b2abdd848b95f2f578043fc23bd6f6fd24d') }
+
+  def render_view
+    render partial: "projects/diffs/stats", locals: { diff_files: commit.diffs.diff_files }
+  end
+
+  context 'when the commit contains several changes' do
+    it 'uses plural for additions' do
+      render_view
+
+      expect(rendered).to have_text('additions')
+    end
+
+    it 'uses plural for deletions' do
+      render_view
+    end
+  end
+
+  context 'when the commit contains no addition and no deletions' do
+    let(:commit) { project.commit('4cd80ccab63c82b4bad16faa5193fbd2aa06df40') }
+
+    it 'uses plural for additions' do
+      render_view
+
+      expect(rendered).to have_text('additions')
+    end
+
+    it 'uses plural for deletions' do
+      render_view
+
+      expect(rendered).to have_text('deletions')
+    end
+  end
+
+  context 'when the commit contains exactly one addition and one deletion' do
+    let(:commit) { project.commit('08f22f255f082689c0d7d39d19205085311542bc') }
+
+    it 'uses singular for additions' do
+      render_view
+
+      expect(rendered).to have_text('addition')
+      expect(rendered).not_to have_text('additions')
+    end
+
+    it 'uses singular for deletions' do
+      render_view
+
+      expect(rendered).to have_text('deletion')
+      expect(rendered).not_to have_text('deletions')
+    end
+  end
+end