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ruby--ruby/test/rake/in_environment.rb
nobu 719b0f8e30 * lib/rake: updated to rake code to rake-0.8.7 source code base.
* lib/rake/loaders/makefile.rb (Rake::MakefileLoader#process_line):
  respace dependencies too.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25199 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-10-02 19:07:55 +00:00

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Ruby

module InEnvironment
private
# Create an environment for a test. At the completion of the yielded
# block, the environment is restored to its original conditions.
def in_environment(settings)
original_settings = set_env(settings)
yield
ensure
set_env(original_settings) if original_settings
end
# Set the environment according to the settings hash.
def set_env(settings) # :nodoc:
result = {}
settings.each do |k, v|
result[k] = ENV[k]
if k == 'PWD'
result[k] = Dir.pwd
Dir.chdir(v)
elsif v.nil?
ENV.delete(k)
else
ENV[k] = v
end
end
result
end
end