Update dependencies

* `bundle update` across the board
* Update various Ruby minor versions
* Update main Ruby version to 2.7.1
* Update various Rails minor versions
* Start testing against Rails 6.x

.ruby-version

@@ -1 +1 @@
-2.6.1
+2.7.1

.travis.yml

@@ -1,28 +1,40 @@
 language: ruby
-sudo: false
+dist: xenial
+os: linux
 cache:
   directories:
     - vendor/bundle
 script: "bundle exec rake"
 # Source: <https://docs.travis-ci.com/user/languages/ruby/#bundler-20>
 before_install:
-  - gem update --system '2.7.8' --no-document
-  - gem uninstall -v '>= 2' -i $(rvm gemdir)@global -ax bundler || true
+  - gem update --system '3.1.2' --no-document
+  - gem uninstall -v '< 2' -i $(rvm gemdir)@global -ax bundler || true
   - gem install bundler -v '< 2' --no-document
-install: "bundle install --jobs=3 --retry=3 --path vendor/bundle"
-
+  - nvm use v11.0.0
+  - bundle config set path vendor/bundle
+install: "bundle install --jobs=3 --retry=3"
 rvm:
-  - 2.6.1
-  - 2.5.1
-  - 2.4.4
   - 2.3.7
-
+  - 2.4.9
+  - 2.5.8
+  - 2.6.6
+  - 2.7.1
 env:
   - TEST_FRAMEWORK=minitest
   - TEST_FRAMEWORK=test_unit
-
 gemfile:
   - gemfiles/rails_4_2.gemfile
   - gemfiles/rails_5_0.gemfile
   - gemfiles/rails_5_1.gemfile
   - gemfiles/rails_5_2.gemfile
+  - gemfiles/rails_6_0.gemfile
+matrix:
+  exclude:
+    - rvm: 2.3.7
+      gemfile: gemfiles/rails_6_0.gemfile
+    - rvm: 2.4.9
+      gemfile: gemfiles/rails_6_0.gemfile
+    - rvm: 2.6.6
+      gemfile: gemfiles/rails_4_2.gemfile
+    - rvm: 2.7.1
+      gemfile: gemfiles/rails_4_2.gemfile

Appraisals

@@ -1,27 +1,34 @@
-shared_dependencies = proc do
-  gem "sqlite3", "~> 1.3.6"
-end
-
 appraise "rails_4_2" do
-  instance_eval(&shared_dependencies)
-
   gem "rails", "~> 4.2.0"
+  gem "sprockets", "~> 3.0"
+  gem "sqlite3", "~> 1.3.6"
 end
 
 appraise "rails_5_0" do
-  instance_eval(&shared_dependencies)
-
   gem "rails", "~> 5.0.0"
+  gem "sprockets", "~> 3.0"
+  gem "sqlite3", "~> 1.3.6"
 end
 
 appraise "rails_5_1" do
-  instance_eval(&shared_dependencies)
-
   gem "rails", "~> 5.1.0"
+  gem "sprockets", "~> 3.0"
+  gem "sqlite3", "~> 1.3.6"
 end
 
 appraise "rails_5_2" do
-  instance_eval(&shared_dependencies)
-
   gem "rails", "~> 5.2.0"
+  gem "sprockets", "~> 3.0"
+  gem "sqlite3", "~> 1.3.6"
+end
+
+if Gem::Requirement.new(">= 2.5.0").satisfied_by?(Gem::Version.new(RUBY_VERSION))
+  appraise "rails_6_0" do
+    gem "rails", "~> 6.0.0"
+    gem "bootsnap", ">= 1.4.2", require: false
+    gem "listen", ">= 3.0.5", "< 3.2"
+    gem "sqlite3", "~> 1.4"
+    gem "sprockets", "~> 4.0"
+    gem "webpacker", "~> 4.0"
+  end
 end

CHANGELOG.md

@@ -6,11 +6,11 @@
 
 * Drop support for RSpec 2 matchers. Matchers passed to `should` must conform
   to RSpec 3's API (`failure_message` and `failure_message_when_negated`).
-* Drop support for Minitest 4.x (last updated in 2013).
-* Drop support for end-of-lifed versions of Rails. Rails 4.2.x, 5.1.x, and 5.2.x
-  are the only versions supported now.
-* Drop support for end-of-lifed versions of Ruby. Ruby 2.3.x, 2.4.x and 2.5.x
-  are the only versions supported now.
+* Drop support for Minitest 4.x (except when used by Rails 4.x).
+* Drop support for older versions of Rails. Rails 4.x-6.x are the
+  only versions supported now.
+* Drop support for older versions of Ruby. Ruby 2.3.x-2.7.x are the only
+  versions supported now.
 
 ### Bug fixes
 

Gemfile.lock

@@ -13,19 +13,17 @@ GEM
     ast (2.4.0)
     byebug (10.0.2)
     coderay (1.1.2)
-    jaro_winkler (1.5.2)
+    jaro_winkler (1.5.4)
     m (1.5.1)
       method_source (>= 0.6.7)
       rake (>= 0.9.2.2)
-    metaclass (0.0.4)
     method_source (0.9.2)
-    minitest (5.11.3)
-    mocha (1.8.0)
-      metaclass (~> 0.0.1)
-    parallel (1.17.0)
-    parser (2.6.2.1)
+    minitest (5.14.0)
+    mocha (1.11.2)
+    parallel (1.19.1)
+    parser (2.7.1.0)
       ast (~> 2.4.0)
-    power_assert (1.1.3)
+    power_assert (1.1.7)
     powerpack (0.1.2)
     pry (0.12.2)
       coderay (~> 1.1.0)
@@ -34,7 +32,7 @@ GEM
       byebug (~> 10.0)
       pry (~> 0.10)
     rainbow (3.0.0)
-    rake (12.3.2)
+    rake (13.0.1)
     rubocop (0.64.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
@@ -43,11 +41,11 @@ GEM
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.4.0)
-    ruby-progressbar (1.10.0)
+    ruby-progressbar (1.10.1)
     snowglobe (0.3.0)
-    test-unit (3.3.0)
+    test-unit (3.3.5)
       power_assert
-    thor (0.20.3)
+    thor (1.0.1)
     unicode-display_width (1.4.1)
     warnings_logger (0.1.0)
 
@@ -57,10 +55,12 @@ PLATFORMS
 DEPENDENCIES
   appraisal
   bundler (~> 1.0)
+  byebug
   m
   minitest
   mocha
-  pry-byebug
+  pry (~> 0.12.0)
+  pry-byebug (~> 3.6.0)
   rake
   rubocop (= 0.64.0)
   shoulda-context!

README.md

@@ -158,8 +158,8 @@ If this is too cumbersome, consider using the [m] gem to run tests instead:
 
 ## Compatibility
 
-Shoulda Context is tested and supported against Rails 5.x, Rails 4.2, Minitest
-5, Test::Unit 3, and Ruby 2.3+.
+Shoulda Context is tested and supported against Rails 4.x+, Minitest 4.x,
+Test::Unit 3.x, and Ruby 2.3+.
 
 ## Credits
 

gemfiles/rails_4_2.gemfile

@@ -5,7 +5,8 @@ source "https://rubygems.org"
 gem "minitest"
 gem "test-unit"
 gem "warnings_logger"
-gem "sqlite3", "~> 1.3.6"
 gem "rails", "~> 4.2.0"
+gem "sprockets", "~> 3.0"
+gem "sqlite3", "~> 1.3.6"
 
 gemspec path: "../"