diff --git a/Gemfile b/Gemfile
index 05f652984..0b2c738f7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,7 +9,7 @@ end
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 5.1.4'
 # Use postgresql as the database for Active Record
-gem 'pg', '~> 0.18'
+gem 'pg', '~> 0.21.0'
 # Use Puma as the app server
 gem 'puma', '~> 3.7'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
diff --git a/test/controllers/movies_controller_test.rb b/test/controllers/movies_controller_test.rb
index 1b2a7cddc..ee4956838 100644
--- a/test/controllers/movies_controller_test.rb
+++ b/test/controllers/movies_controller_test.rb
@@ -79,14 +79,71 @@
       Movie.count.must_equal count+1
     end
 
-    it "does not create movie with bad params" do
+    it "does not create movie with no title" do
       params = {
+        overview: "awesome movie about awesome people",
         release_date: "2018-10-10",
         inventory: "5"
       }
       count = Movie.count
+
       post movies_path, params: params
       must_respond_with :bad_request
+
+      body = JSON.parse(response.body)
+      body.must_equal "errors" => {"title" => ["can't be blank"]}
+
+      Movie.count.must_equal count
+    end
+
+    it "does not create movie with no overview" do
+      params = {
+        title: "awesome movie 1",
+        release_date: "2018-10-10",
+        inventory: "5"
+      }
+      count = Movie.count
+
+      post movies_path, params: params
+      must_respond_with :bad_request
+
+      body = JSON.parse(response.body)
+      body.must_equal "errors" => {"overview" => ["can't be blank"]}
+
+      Movie.count.must_equal count
+    end
+
+    it "does not create movie with no release_date" do
+      params = {
+        title: "awesome movie 1",
+        overview: "awesome movie about awesome people",
+        inventory: "5"
+      }
+      count = Movie.count
+
+      post movies_path, params: params
+      must_respond_with :bad_request
+
+      body = JSON.parse(response.body)
+      body.must_equal "errors" => {"release_date" => ["can't be blank"]}
+
+      Movie.count.must_equal count
+    end
+
+    it "does not create movie with no inventory" do
+      params = {
+        title: "awesome movie 1",
+        overview: "awesome movie about awesome people",
+        release_date: "2018-10-10"
+      }
+
+      count = Movie.count
+      post movies_path, params: params
+      must_respond_with :bad_request
+
+      body = JSON.parse(response.body)
+      body.must_equal "errors" => {"inventory" => ["can't be blank"]}
+
       Movie.count.must_equal count
     end
   end
diff --git a/vendor/bundle/ruby/2.3.0/gems/awesome_print-1.8.0/Gemfile.lock b/vendor/bundle/ruby/2.3.0/gems/awesome_print-1.8.0/Gemfile.lock
new file mode 100644
index 000000000..1ce0a096b
--- /dev/null
+++ b/vendor/bundle/ruby/2.3.0/gems/awesome_print-1.8.0/Gemfile.lock
@@ -0,0 +1,58 @@
+PATH
+  remote: .
+  specs:
+    awesome_print (1.8.0)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    appraisal (2.2.0)
+      bundler
+      rake
+      thor (>= 0.14.0)
+    codeclimate-test-reporter (1.0.8)
+      simplecov (<= 0.13)
+    diff-lcs (1.3)
+    docile (1.1.5)
+    fakefs (0.11.0)
+    json (2.1.0)
+    mini_portile2 (2.2.0)
+    nokogiri (1.8.0)
+      mini_portile2 (~> 2.2.0)
+    rake (12.0.0)
+    rspec (3.6.0)
+      rspec-core (~> 3.6.0)
+      rspec-expectations (~> 3.6.0)
+      rspec-mocks (~> 3.6.0)
+    rspec-core (3.6.0)
+      rspec-support (~> 3.6.0)
+    rspec-expectations (3.6.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.6.0)
+    rspec-mocks (3.6.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.6.0)
+    rspec-support (3.6.0)
+    simplecov (0.13.0)
+      docile (~> 1.1.0)
+      json (>= 1.8, < 3)
+      simplecov-html (~> 0.10.0)
+    simplecov-html (0.10.1)
+    sqlite3 (1.3.13)
+    thor (0.19.4)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  appraisal
+  awesome_print!
+  codeclimate-test-reporter
+  fakefs (>= 0.2.1)
+  nokogiri (>= 1.6.5)
+  rspec (>= 3.0.0)
+  simplecov
+  sqlite3
+
+BUNDLED WITH
+   1.14.6
diff --git a/vendor/bundle/ruby/2.3.0/gems/binding_of_caller-0.7.3/ext/binding_of_caller/Makefile b/vendor/bundle/ruby/2.3.0/gems/binding_of_caller-0.7.3/ext/binding_of_caller/Makefile
new file mode 100644
index 000000000..274d41ed4
--- /dev/null
+++ b/vendor/bundle/ruby/2.3.0/gems/binding_of_caller-0.7.3/ext/binding_of_caller/Makefile
@@ -0,0 +1,2 @@
+install:
+	echo "Nada."
diff --git a/vendor/bundle/ruby/2.3.0/gems/nio4r-2.1.0/ext/nio4r/bytebuffer.o b/vendor/bundle/ruby/2.3.0/gems/nio4r-2.1.0/ext/nio4r/bytebuffer.o
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index 000000000..05b025aed
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diff --git a/vendor/bundle/ruby/2.3.0/gems/nio4r-2.1.0/ext/nio4r/monitor.o b/vendor/bundle/ruby/2.3.0/gems/nio4r-2.1.0/ext/nio4r/monitor.o
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index 000000000..9c9f02afb
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diff --git a/vendor/bundle/ruby/2.3.0/gems/nio4r-2.1.0/ext/nio4r/nio4r_ext.bundle b/vendor/bundle/ruby/2.3.0/gems/nio4r-2.1.0/ext/nio4r/nio4r_ext.bundle
new file mode 100755
index 000000000..c09c9c818
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diff --git a/vendor/bundle/ruby/2.3.0/gems/nio4r-2.1.0/ext/nio4r/nio4r_ext.c b/vendor/bundle/ruby/2.3.0/gems/nio4r-2.1.0/ext/nio4r/nio4r_ext.c
new file mode 100644
index 000000000..7317e9475
--- /dev/null
+++ b/vendor/bundle/ruby/2.3.0/gems/nio4r-2.1.0/ext/nio4r/nio4r_ext.c
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2011-2017 Tony Arcieri. Distributed under the MIT License.
+ * See LICENSE.txt for further details.
+ */
+
+#include "nio4r.h"
+#include "../libev/ev.c"
+
+void Init_NIO_Selector();
+void Init_NIO_Monitor();
+void Init_NIO_ByteBuffer();
+
+void Init_nio4r_ext()
+{
+    Init_NIO_Selector();
+    Init_NIO_Monitor();
+    Init_NIO_ByteBuffer();
+}
diff --git a/vendor/bundle/ruby/2.3.0/gems/nio4r-2.1.0/ext/nio4r/nio4r_ext.o b/vendor/bundle/ruby/2.3.0/gems/nio4r-2.1.0/ext/nio4r/nio4r_ext.o
new file mode 100644
index 000000000..9c17ca9d4
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diff --git a/vendor/bundle/ruby/2.3.0/gems/nio4r-2.1.0/ext/nio4r/selector.o b/vendor/bundle/ruby/2.3.0/gems/nio4r-2.1.0/ext/nio4r/selector.o
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index 000000000..25ddf7f56
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diff --git a/vendor/bundle/ruby/2.3.0/gems/nio4r-2.1.0/lib/nio4r_ext.bundle b/vendor/bundle/ruby/2.3.0/gems/nio4r-2.1.0/lib/nio4r_ext.bundle
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