model post

app/models/post.rb

@@ -0,0 +1,2 @@
+class Post < ApplicationRecord
+end

db/migrate/20180919153610_create_posts.rb

@@ -0,0 +1,9 @@
+class CreatePosts < ActiveRecord::Migration[5.2]
+  def change
+    create_table :posts do |t|
+      t.text :content
+
+      t.timestamps
+    end
+  end
+end

test/fixtures/posts.yml

@@ -0,0 +1,7 @@
+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  content: MyText
+
+two:
+  content: MyText

test/models/post_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class PostTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end