1 files changed, 78 insertions, 0 deletions
diff --git a/spec/support/shared_examples/views/milestone_shared_examples.rb b/spec/support/shared_examples/views/milestone_shared_examples.rb
new file mode 100644
index 00000000000..b6f4d0db0e9
--- /dev/null
+++ b/spec/support/shared_examples/views/milestone_shared_examples.rb
@@ -0,0 +1,78 @@
+# frozen_string_literal: true
+
+RSpec.shared_examples 'milestone empty states' do
+  include Devise::Test::ControllerHelpers
+
+  let_it_be(:user) { build(:user) }
+  let(:empty_state) { 'Use milestones to track issues and merge requests over a fixed period of time' }
+
+  before do
+    assign(:projects, [])
+    allow(view).to receive(:current_user).and_return(user)
+  end
+
+  context 'with no milestones' do
+    before do
+      assign(:milestones, [])
+      assign(:milestone_states, { opened: 0, closed: 0, all: 0 })
+      render
+    end
+
+    it 'shows empty state' do
+      expect(rendered).to have_content(empty_state)
+    end
+
+    it 'does not show tabs or searchbar' do
+      expect(rendered).not_to have_link('Open')
+      expect(rendered).not_to have_link('Closed')
+      expect(rendered).not_to have_link('All')
+    end
+  end
+
+  context 'with no open milestones' do
+    before do
+      allow(view).to receive(:milestone_path).and_return("/milestones/1")
+      assign(:milestones, [])
+      assign(:milestone_states, { opened: 0, closed: 1, all: 1 })
+    end
+
+    it 'shows tabs and searchbar', :aggregate_failures do
+      render
+
+      expect(rendered).not_to have_content(empty_state)
+      expect(rendered).to have_link('Open')
+      expect(rendered).to have_link('Closed')
+      expect(rendered).to have_link('All')
+    end
+
+    it 'shows empty state' do
+      render
+
+      expect(rendered).to have_content('There are no open milestones')
+    end
+  end
+
+  context 'with no closed milestones' do
+    before do
+      allow(view).to receive(:milestone_path).and_return("/milestones/1")
+      allow(view).to receive(:params).and_return(state: 'closed')
+      assign(:milestones, [])
+      assign(:milestone_states, { opened: 1, closed: 0, all: 1 })
+    end
+
+    it 'shows tabs and searchbar', :aggregate_failures do
+      render
+
+      expect(rendered).not_to have_content(empty_state)
+      expect(rendered).to have_link('Open')
+      expect(rendered).to have_link('Closed')
+      expect(rendered).to have_link('All')
+    end
+
+    it 'shows empty state on closed milestones' do
+      render
+
+      expect(rendered).to have_content('There are no closed milestones')
+    end
+  end
+end