tasks/spec.rake in extlib-0.9.15 vs tasks/spec.rake in extlib-0.9.16

@@ -1,23 +1,39 @@
-require 'spec/rake/spectask'
-require 'spec/rake/verify_rcov'
-
 spec_defaults = lambda do |spec|
   spec.pattern    = 'spec/**/*_spec.rb'
   spec.libs      << 'lib' << 'spec'
   spec.spec_opts << '--options' << 'spec/spec.opts'
 end
 
-Spec::Rake::SpecTask.new(:spec, &spec_defaults)
+begin
+  require 'spec/rake/spectask'
 
-Spec::Rake::SpecTask.new(:rcov) do |rcov|
-  spec_defaults.call(rcov)
-  rcov.rcov      = true
-  rcov.rcov_opts = File.read('spec/rcov.opts').split(/\s+/)
+  Spec::Rake::SpecTask.new(:spec, &spec_defaults)
+rescue LoadError
+  task :spec do
+    abort 'rspec is not available. In order to run spec, you must: gem install rspec'
+  end
 end
 
-RCov::VerifyTask.new(:verify_rcov => :rcov) do |rcov|
-  rcov.threshold = 100
+begin
+  require 'rcov'
+  require 'spec/rake/verify_rcov'
+
+  Spec::Rake::SpecTask.new(:rcov) do |rcov|
+    spec_defaults.call(rcov)
+    rcov.rcov      = true
+    rcov.rcov_opts = File.read('spec/rcov.opts').split(/\s+/)
+  end
+
+  RCov::VerifyTask.new(:verify_rcov => :rcov) do |rcov|
+    rcov.threshold = 100
+  end
+rescue LoadError
+  %w[ rcov verify_rcov ].each do |name|
+    task name do
+      abort "rcov is not available. In order to run #{name}, you must: gem install rcov"
+    end
+  end
 end
 
 task :spec => :check_dependencies
 task :rcov => :check_dependencies