created movie model

app/models/movie.rb

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

db/migrate/20180507212242_create_movies.rb

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+class CreateMovies < ActiveRecord::Migration[5.1]
+  def change
+    create_table :movies do |t|
+      t.string :title
+      t.string :overview
+      t.date :release_date
+      t.integer :inventory
+
+      t.timestamps
+    end
+  end
+end

test/fixtures/movies.yml

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+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  title: MyString
+  overview: MyString
+  release_date: 2018-05-07
+  inventory: 1
+
+two:
+  title: MyString
+  overview: MyString
+  release_date: 2018-05-07
+  inventory: 1

test/models/movie_test.rb

@@ -0,0 +1,9 @@
+require "test_helper"
+
+describe Movie do
+  let(:movie) { Movie.new }
+
+  it "must be valid" do
+    value(movie).must_be :valid?
+  end
+end