1 files changed, 79 insertions, 0 deletions
diff --git a/spec/support/shared_examples/models/concerns/has_wiki_shared_examples.rb b/spec/support/shared_examples/models/concerns/has_wiki_shared_examples.rb
new file mode 100644
index 00000000000..0357b7462fb
--- /dev/null
+++ b/spec/support/shared_examples/models/concerns/has_wiki_shared_examples.rb
@@ -0,0 +1,79 @@
+# frozen_string_literal: true
+
+RSpec.shared_examples 'model with wiki' do
+  describe '#create_wiki' do
+    it 'returns true if the wiki repository already exists' do
+      expect(container.wiki_repository_exists?).to be(true)
+      expect(container.create_wiki).to be(true)
+    end
+
+    it 'returns true if the wiki repository was created' do
+      expect(container_without_wiki.wiki_repository_exists?).to be(false)
+      expect(container_without_wiki.create_wiki).to be(true)
+      expect(container_without_wiki.wiki_repository_exists?).to be(true)
+    end
+
+    context 'when the repository cannot be created' do
+      before do
+        expect(container.wiki).to receive(:wiki) { raise Wiki::CouldNotCreateWikiError }
+      end
+
+      it 'returns false and adds a validation error' do
+        expect(container.create_wiki).to be(false)
+        expect(container.errors[:base]).to contain_exactly('Failed to create wiki')
+      end
+    end
+  end
+
+  describe '#wiki_repository_exists?' do
+    it 'returns true when the wiki repository exists' do
+      expect(container.wiki_repository_exists?).to eq(true)
+    end
+
+    it 'returns false when the wiki repository does not exist' do
+      expect(container_without_wiki.wiki_repository_exists?).to eq(false)
+    end
+  end
+
+  describe 'wiki path conflict' do
+    context 'when the new path has been used by the wiki of other Project' do
+      it 'has an error on the name attribute' do
+        create(:project, namespace: container.parent, path: 'existing')
+        container.path = 'existing.wiki'
+
+        expect(container).not_to be_valid
+        expect(container.errors[:name].first).to eq(_('has already been taken'))
+      end
+    end
+
+    context 'when the new wiki path has been used by the path of other Project' do
+      it 'has an error on the name attribute' do
+        create(:project, namespace: container.parent, path: 'existing.wiki')
+        container.path = 'existing'
+
+        expect(container).not_to be_valid
+        expect(container.errors[:name].first).to eq(_('has already been taken'))
+      end
+    end
+
+    context 'when the new path has been used by the wiki of other Group' do
+      it 'has an error on the name attribute' do
+        create(:group, parent: container.parent, path: 'existing')
+        container.path = 'existing.wiki'
+
+        expect(container).not_to be_valid
+        expect(container.errors[:name].first).to eq(_('has already been taken'))
+      end
+    end
+
+    context 'when the new wiki path has been used by the path of other Group' do
+      it 'has an error on the name attribute' do
+        create(:group, parent: container.parent, path: 'existing.wiki')
+        container.path = 'existing'
+
+        expect(container).not_to be_valid
+        expect(container.errors[:name].first).to eq(_('has already been taken'))
+      end
+    end
+  end
+end