1 files changed, 87 insertions, 0 deletions
diff --git a/spec/services/wiki_pages/event_create_service_spec.rb b/spec/services/wiki_pages/event_create_service_spec.rb
new file mode 100644
index 00000000000..cf971b0a02c
--- /dev/null
+++ b/spec/services/wiki_pages/event_create_service_spec.rb
@@ -0,0 +1,87 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe WikiPages::EventCreateService do
+  let_it_be(:project) { create(:project) }
+  let_it_be(:user) { create(:user) }
+
+  subject { described_class.new(user) }
+
+  describe '#execute' do
+    let_it_be(:page) { create(:wiki_page, project: project) }
+    let(:slug) { generate(:sluggified_title) }
+    let(:action) { Event::CREATED }
+    let(:response) { subject.execute(slug, page, action) }
+
+    context 'feature flag is not enabled' do
+      before do
+        stub_feature_flags(wiki_events: false)
+      end
+
+      it 'does not error' do
+        expect(response).to be_success
+          .and have_attributes(message: /No event created/)
+      end
+
+      it 'does not create an event' do
+        expect { response }.not_to change(Event, :count)
+      end
+    end
+
+    context 'the user is nil' do
+      subject { described_class.new(nil) }
+
+      it 'raises an error on construction' do
+        expect { subject }.to raise_error ArgumentError
+      end
+    end
+
+    context 'the action is illegal' do
+      let(:action) { Event::WIKI_ACTIONS.max + 1 }
+
+      it 'returns an error' do
+        expect(response).to be_error
+      end
+
+      it 'does not create an event' do
+        expect { response }.not_to change(Event, :count)
+      end
+
+      it 'does not create a metadata record' do
+        expect { response }.not_to change(WikiPage::Meta, :count)
+      end
+    end
+
+    it 'returns a successful response' do
+      expect(response).to be_success
+    end
+
+    context 'the action is a deletion' do
+      let(:action) { Event::DESTROYED }
+
+      it 'does not synchronize the wiki metadata timestamps with the git commit' do
+        expect_next_instance_of(WikiPage::Meta) do |instance|
+          expect(instance).not_to receive(:synch_times_with_page)
+        end
+
+        response
+      end
+    end
+
+    it 'creates a wiki page event' do
+      expect { response }.to change(Event, :count).by(1)
+    end
+
+    it 'returns an event in the payload' do
+      expect(response.payload).to include(event: have_attributes(author: user, wiki_page?: true, action: action))
+    end
+
+    it 'records the slug for the page' do
+      response
+      meta = WikiPage::Meta.find_or_create(page.slug, page)
+
+      expect(meta.slugs.pluck(:slug)).to include(slug)
+    end
+  end
+end