Models

app/models/link.rb

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+class Link < ApplicationRecord
+end

db/migrate/20201130011635_create_links.rb

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+class CreateLinks < ActiveRecord::Migration[6.0]
+  def change
+    create_table :links do |t|
+      t.string :url
+      t.text :description
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

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+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# This file is the source Rails uses to define your schema when running `rails
+# db:schema:load`. When creating a new database, `rails db:schema:load` tends to
+# be faster and is potentially less error prone than running all of your
+# migrations from scratch. Old migrations may fail to apply correctly if those
+# migrations use external dependencies or application code.
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema.define(version: 2020_11_30_011635) do
+
+  create_table "links", force: :cascade do |t|
+    t.string "url"
+    t.text "description"
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+  end
+
+end

test/fixtures/links.yml

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+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  url: MyString
+  description: MyText
+
+two:
+  url: MyString
+  description: MyText

test/models/link_test.rb

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+require 'test_helper'
+
+class LinkTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end