Show the first paragraph of the description

spec/helpers/text_helper_spec.rb

@@ -0,0 +1,17 @@
+require 'rails_helper'
+
+describe TextHelper do
+
+  describe "#first_paragraph" do
+    it "should return the first paragraph of a text" do
+      text = "\n\nThis is the first paragraph\n\nThis is the second paragraph\n"
+      expect(first_paragraph(text)).to eq("This is the first paragraph")
+    end
+
+    it "should return blank if the text is blank" do
+      expect(first_paragraph("")).to eq("")
+      expect(first_paragraph(nil)).to eq("")
+    end
+  end
+
+end