diff options
Diffstat (limited to 'spec/ruby/core/process/setpriority_spec.rb')
| -rw-r--r-- | spec/ruby/core/process/setpriority_spec.rb | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/spec/ruby/core/process/setpriority_spec.rb b/spec/ruby/core/process/setpriority_spec.rb index 7b437a547a..4d60973429 100644 --- a/spec/ruby/core/process/setpriority_spec.rb +++ b/spec/ruby/core/process/setpriority_spec.rb @@ -1,4 +1,4 @@ -require File.expand_path('../../../spec_helper', __FILE__) +require_relative '../../spec_helper' describe "Process.setpriority" do platform_is_not :windows do @@ -29,13 +29,32 @@ describe "Process.setpriority" do end as_superuser do - it "sets the scheduling priority for a specified user" do - p = Process.getpriority(Process::PRIO_USER, 0) - Process.setpriority(Process::PRIO_USER, 0, p + 1).should == 0 - Process.getpriority(Process::PRIO_USER, 0).should == (p + 1) - Process.setpriority(Process::PRIO_USER, 0, p).should == 0 + guard -> { + prio = Process.getpriority(Process::PRIO_USER, 0) + # The nice value is a value in the range -20 to 19. + # This test tries to change the nice value to +-1, so it cannot run if prio == -20 || prio == 19. + if -20 < prio && prio < 19 + begin + # Check if we can lower the nice value or not. + # + # We are not always able to do it even as a root. + # Docker container is not always able to do it depending upon the configuration, + # which cannot know from the container itself. + Process.setpriority(Process::PRIO_USER, 0, prio - 1) + Process.setpriority(Process::PRIO_USER, 0, prio) + true + rescue Errno::EACCES + false + end + end + } do + it "sets the scheduling priority for a specified user" do + prio = Process.getpriority(Process::PRIO_USER, 0) + Process.setpriority(Process::PRIO_USER, 0, prio + 1).should == 0 + Process.getpriority(Process::PRIO_USER, 0).should == (prio + 1) + Process.setpriority(Process::PRIO_USER, 0, prio).should == 0 + end end end end - end |