add post

spec/models/post_spec.rb

@@ -0,0 +1,31 @@
+require 'rails_helper'
+
+RSpec.describe Post, type: :model do
+  describe '#kind' do
+    context 'when post have other post reference and a content' do
+      it 'returns :quoted_post' do
+        quoted_post = create(:post)
+        post = create(:post, quoted_post: quoted_post)
+
+        expect(post.kind).to eq(:quoted_post)
+      end
+    end
+
+    context 'when post have other post reference and dont have a content' do
+      it 'returns :repost' do
+        quoted_post = create(:post)
+        post = create(:post, quoted_post: quoted_post, content: nil)
+
+        expect(post.kind).to eq(:repost)
+      end
+    end
+
+    context 'when post dont have other post reference and have a content' do
+      it 'returns :post' do
+        post = create(:post)
+
+        expect(post.kind).to eq(:post)
+      end
+    end
+  end
+end