Add appraisals

Author: Ricard Forniol

.gitignore

@@ -3,3 +3,4 @@
 Gemfile.lock
 pkg/*
 .DS_Store
+gemfiles/*.gemfile.lock

.travis.yml

@@ -1,10 +1,11 @@
 language: ruby
 
-rvm:
-  - 2.2.2
-
-gemfile:
-  - Gemfile
+matrix:
+  include:
+    - rvm: 2.5.7
+      gemfile: gemfiles/mongoid_7.gemfile
+    - rvm: 2.5.7
+      gemfile: gemfiles/mongoid_6.gemfile
 
 services:
   - mongodb

Appraisals

@@ -0,0 +1,7 @@
+appraise 'mongoid-7' do
+  gem 'mongoid', '~> 7.0'
+end
+
+appraise 'mongoid-6' do
+  gem 'mongoid', '~> 6.0'
+end

gemfiles/mongoid_6.gemfile

@@ -0,0 +1,14 @@
+# This file was generated by Appraisal
+
+source "http://rubygems.org"
+
+gem "mongoid", "~> 6.0"
+
+group :test do
+  gem "rspec"
+  gem "codeclimate-test-reporter", require: nil
+  gem "database_cleaner"
+  gem "mongoid-rspec"
+end
+
+gemspec path: "../"

gemfiles/mongoid_7.gemfile

@@ -0,0 +1,14 @@
+# This file was generated by Appraisal
+
+source "http://rubygems.org"
+
+gem "mongoid", "~> 7.0"
+
+group :test do
+  gem "rspec"
+  gem "codeclimate-test-reporter", require: nil
+  gem "database_cleaner"
+  gem "mongoid-rspec"
+end
+
+gemspec path: "../"

mongoid_token.gemspec

@@ -1,24 +1,26 @@
-# -*- encoding: utf-8 -*-
-$:.push File.expand_path("../lib", __FILE__)
-require "version"
+$LOAD_PATH.push File.expand_path('lib', __dir__)
+require 'version'
 
 Gem::Specification.new do |s|
-  s.name        = "mongoid_token"
+  s.name        = 'mongoid_token'
   s.version     = MongoidToken::VERSION
   s.platform    = Gem::Platform::RUBY
-  s.authors     = ["Nicholas Bruning"]
-  s.email       = ["[email protected]"]
-  s.homepage    = "http://github.com/thetron/mongoid_token"
-  s.licenses    = ['MIT']
+  s.authors     = ['Nicholas Bruning']
+  s.email       = %w[[email protected]]
+  s.homepage    = 'http://github.com/thetron/mongoid_token'
+  s.licenses    = %w[MIT]
   s.summary     = %q{A little random, unique token generator for Mongoid documents.}
   s.description = %q{Mongoid token is a gem for creating random, unique tokens for mongoid documents. Highly configurable and great for making URLs a little more compact.}
 
-  s.rubyforge_project = "mongoid_token"
-  s.add_dependency 'mongoid', '~> 7'
+  s.rubyforge_project = 'mongoid_token'
 
   s.files         = `git ls-files`.split("\n")
   s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
-  s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
-  s.require_paths = ["lib"]
+  s.executables   = `git ls-files -- bin/*`.split("\n")
+                                           .map { |f| File.basename(f) }
+  s.require_paths = %w[lib]
+  s.add_dependency 'mongoid', '>= 6'
   s.add_dependency 'zeitwerk'
+  s.add_development_dependency 'appraisal', '~> 2.2'
+  s.add_development_dependency 'wwtd'
 end