Enable postgres on Travis

.travis.yml

@@ -1,9 +1,16 @@
 language: ruby
-script:
-  - bundle exec rspec
+
+services:
+  - postgresql
+
+addons:
+  postgresql: "9.6"
 
 jobs:
   include:
     - stage: test
-      script: bundle exec rspec
+      before_script:
+        - bin/rails db:setup
+      script:
+        - bundle exec rspec
     - script: bundle exec rubocop

Gemfile

@@ -49,7 +49,7 @@ end
 
 group :test do
   gem "rails-controller-testing"
-  gem "simplecov"
+  gem "simplecov", require: false
 end
 
 group :development do

config/application.rb

@@ -29,6 +29,8 @@ class Application < Rails::Application
 
     config.lograge.enabled = true
 
+    config.active_record.schema_format = :sql
+
     config.generators do |c|
       # Don't generate system test files.
       c.system_tests = nil

db/structure.sql

@@ -0,0 +1,97 @@
+SET statement_timeout = 0;
+SET lock_timeout = 0;
+SET client_encoding = 'UTF8';
+SET standard_conforming_strings = on;
+SET check_function_bodies = false;
+SET client_min_messages = warning;
+
+--
+-- Name: plpgsql; Type: EXTENSION; Schema: -; Owner: -
+--
+
+CREATE EXTENSION IF NOT EXISTS plpgsql WITH SCHEMA pg_catalog;
+
+
+--
+-- Name: EXTENSION plpgsql; Type: COMMENT; Schema: -; Owner: -
+--
+
+COMMENT ON EXTENSION plpgsql IS 'PL/pgSQL procedural language';
+
+
+SET search_path = public, pg_catalog;
+
+SET default_tablespace = '';
+
+SET default_with_oids = false;
+
+--
+-- Name: ar_internal_metadata; Type: TABLE; Schema: public; Owner: -; Tablespace: 
+--
+
+CREATE TABLE ar_internal_metadata (
+    key character varying NOT NULL,
+    value character varying,
+    created_at timestamp without time zone NOT NULL,
+    updated_at timestamp without time zone NOT NULL
+);
+
+
+--
+-- Name: rubygems; Type: TABLE; Schema: public; Owner: -; Tablespace: 
+--
+
+CREATE TABLE rubygems (
+    name character varying NOT NULL,
+    downloads integer NOT NULL,
+    version character varying NOT NULL,
+    authors character varying,
+    bug_tracker_uri character varying,
+    changelog_uri character varying,
+    documentation_uri character varying,
+    homepage_uri character varying,
+    mailing_list_uri character varying,
+    source_code_uri character varying,
+    wiki_uri character varying,
+    info text,
+    github_repo character varying,
+    created_at timestamp without time zone NOT NULL,
+    updated_at timestamp without time zone NOT NULL
+);
+
+
+--
+-- Name: schema_migrations; Type: TABLE; Schema: public; Owner: -; Tablespace: 
+--
+
+CREATE TABLE schema_migrations (
+    version character varying NOT NULL
+);
+
+
+--
+-- Name: ar_internal_metadata_pkey; Type: CONSTRAINT; Schema: public; Owner: -; Tablespace: 
+--
+
+ALTER TABLE ONLY ar_internal_metadata
+    ADD CONSTRAINT ar_internal_metadata_pkey PRIMARY KEY (key);
+
+
+--
+-- Name: schema_migrations_pkey; Type: CONSTRAINT; Schema: public; Owner: -; Tablespace: 
+--
+
+ALTER TABLE ONLY schema_migrations
+    ADD CONSTRAINT schema_migrations_pkey PRIMARY KEY (version);
+
+
+--
+-- PostgreSQL database dump complete
+--
+
+SET search_path TO "$user",public;
+
+INSERT INTO "schema_migrations" (version) VALUES
+('20170504202906');
+
+

spec/spec_helper.rb

@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require "simplecov"
+
 # This file was generated by the `rails generate rspec:install` command. Conventionally, all
 # specs live under a `spec` directory, which RSpec adds to the `$LOAD_PATH`.
 # The generated `.rspec` file contains `--require spec_helper` which will cause