I have a very simple Rakefile
to test a small Ruby gem. It looks like this:
Rake::TestTask.new
task :default => :test
It invokes two tests that define constants with the same name. This results in errors being output by the second test like this:
warning: already initialized constant xxxxx
The reason for this is because Rake executes all of the tests within a single Ruby instance:
/usr/bin/ruby -I"lib" -I"/usr/lib/ruby/gems/2.1.0/gems/rake-10.3.2/lib" "/usr/lib/ruby/gems/2.1.0/gems/rake-10.3.2/lib/rake/rake_test_loader.rb" "test/test*.rb"
How should I specify that each test should be run in a separate Ruby instance ?
I have achieved this as shown below but I wonder if there is a better way because this solution doesn't scale well for lots of tests.
Rake::TestTask.new(:one) { |t| t.test_files = %w(test/test_one.rb) }
Rake::TestTask.new(:two) { |t| t.test_files = %w(test/test_two.rb) }
task :default => [:one, :two]
Instead of using Rake::TestTask
, you could define a test task in your Rakefile
that loops through each test file and runs them with sh
like this:
task :test do
libs = ['lib',
'/usr/lib/ruby/gems/2.1.0/gems/rake-10.3.2/lib',
'/usr/lib/ruby/gems/2.1.0/gems/rake-10.3.2/lib/rake/rake_test_loader.rb']
test_files = FileList['test/**/test*.rb']
test_files.each do |test_file|
includes = libs.map { |l| "-I#{l}"}.join ' '
sh "ruby #{includes} #{test_file}"
end
end
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