Update Travis Rubies again

.travis.yml

@@ -9,18 +9,17 @@ dist: trusty
 rvm:
   # MRI
   - ruby-head
+  - 2.5
   - 2.4
   - 2.3
   - 2.2
   - 2.1
-  - 2.0
-  - 1.9.2 # allowed to fail until Travis binary for this is fixed
   - 1.9.3
   - 1.8.7
   - ree
   # JRuby
   - jruby-head
-  - jruby-9.1 # allowed to fail due to https://github.com/travis-ci/travis-ci/issues/9049
+  - jruby-9.1.15.0 # Specific version to work around https://github.com/travis-ci/travis-ci/issues/9049
   - jruby-9.0
   - jruby-19mode
   - jruby-18mode
@@ -30,8 +29,6 @@ rvm:
 matrix:
   allow_failures:
     - rvm: ruby-head
-    - rvm: 1.9.2 # See build error https://travis-ci.org/tcrayford/Values/jobs/202728857
     - rvm: jruby-head
-    - rvm: jruby-9.1 # See build error https://travis-ci.org/ms-ati/docile/jobs/327830706
     - rvm: rubinius-3
   fast_finish: true

Gemfile

@@ -2,7 +2,7 @@ require File.expand_path('on_what', File.dirname(__FILE__))
 source 'https://rubygems.org'
 
 # Travis-only dependencies go here
-if on_travis? && !on_1_8?
+if on_travis? && !on_1_8? && !on_rubinius?
   group :test do
     gem 'codecov', '>= 0.0.9', :require => false
   end

docile.gemspec

@@ -21,21 +21,24 @@ Gem::Specification.new do |s|
   # Specify oldest supported Ruby version
   s.required_ruby_version = '>= 1.8.7'
 
-  # Run rspec tests from rake
-  s.add_development_dependency 'rake', '~> 10.5.0' if on_less_than_1_9_3? # Pin compatible rake on old rubies, see: https://github.com/travis-ci/travis.rb/issues/380
-  s.add_development_dependency 'rake', '< 11.0'    unless on_less_than_1_9_3? # See http://stackoverflow.com/questions/35893584/nomethoderror-undefined-method-last-comment-after-upgrading-to-rake-11
-  s.add_development_dependency 'rspec', '~> 3.0.0'
+  # Run rspec tests from rake even on old Ruby versions
+  s.add_development_dependency 'rake', '~> 10.5' if on_less_than_1_9_3? # Pin compatible rake on old rubies, see: https://github.com/travis-ci/travis.rb/issues/380
+  s.add_development_dependency 'rake', '< 11.0'  unless on_less_than_1_9_3? # See http://stackoverflow.com/questions/35893584/nomethoderror-undefined-method-last-comment-after-upgrading-to-rake-11
+  s.add_development_dependency 'rspec', '~> 3.0'
 
-  # Pin versions for Travis builds on 1.9
-  s.add_development_dependency 'json', '< 2.0' if on_less_than_2_0?
+  # Run code coverage where possible - not on Rubinius
+  unless on_rubinius?
+    # Pin versions for Travis builds on 1.9
+    s.add_development_dependency 'json', '< 2.0' if on_less_than_2_0?
 
-  # Pin versions for Travis builds on 1.8
-  s.add_development_dependency 'mime-types' , '~> 1.25.1' if on_1_8?
-  s.add_development_dependency 'rest-client', '~> 1.6.8'  if on_1_8?
+    # Pin versions for Travis builds on 1.8
+    s.add_development_dependency 'mime-types' , '~> 1.25.1' if on_1_8?
+    s.add_development_dependency 'rest-client', '~> 1.6.8'  if on_1_8?
+  end
 
   # To limit needed compatibility with versions of dependencies, only configure
-  #   yard doc generation when *not* on Travis, JRuby, or < 2.0
-  if !on_travis? && !on_jruby? && !on_less_than_2_0?
+  #   yard doc generation when *not* on Travis, JRuby, Rubinius, or < 2.0
+  if !on_travis? && !on_jruby? && !on_rubinius? && !on_less_than_2_0?
     # Github flavored markdown in YARD documentation
     # http://blog.nikosd.com/2011/11/github-flavored-markdown-in-yard.html
     s.add_development_dependency 'yard'

on_what.rb

@@ -9,6 +9,10 @@ def on_jruby?
   defined?(RUBY_ENGINE) && 'jruby' == RUBY_ENGINE
 end
 
+def on_rubinius?
+  defined?(RUBY_ENGINE) && 'rbx' == RUBY_ENGINE
+end
+
 def on_1_8?
   RUBY_VERSION.start_with? '1.8'
 end