Class: Mesa

Inherits:
Object
  • Object
show all
Defined in:
lib/mesa_test.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(mesa_dir: , mirror_dir: nil, github_protocol: :ssh) ⇒ Mesa

Returns a new instance of Mesa.



620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
 
# File 'lib/mesa_test.rb', line 620

def initialize(mesa_dir: ENV['MESA_DIR'], mirror_dir: nil,
               github_protocol: :ssh)
  # absolute_path ensures that it doesn't matter where commands are executed
  # from
  @mesa_dir = File.absolute_path(mesa_dir)
  @mirror_dir = File.absolute_path(mirror_dir)

  # don't worry about validity of github protocol until it is needed in a
  # checkout. This way you can have garbage in there if you never really need
  # it.
  @github_protocol = if github_protocol.respond_to? :to_sym
                       github_protocol.to_sym
                     else
                       github_protocol
                     end

  # these get populated by calling #load_test_data
  @test_cases = {}
  @test_case_names = {}
  @names_to_numbers = {}

  # way to output colored text
  @shell = Thor::Shell::Color.new
end

Instance Attribute Details

#github_protocol ⇒ Object (readonly)

Returns the value of attribute github_protocol.



609
610
611
 
# File 'lib/mesa_test.rb', line 609

def github_protocol
  @github_protocol
end

#mesa_dir ⇒ Object (readonly)

Returns the value of attribute mesa_dir.



609
610
611
 
# File 'lib/mesa_test.rb', line 609

def mesa_dir
  @mesa_dir
end

#mirror_dir ⇒ Object (readonly)

Returns the value of attribute mirror_dir.



609
610
611
 
# File 'lib/mesa_test.rb', line 609

def mirror_dir
  @mirror_dir
end

#names_to_numbers ⇒ Object (readonly)

Returns the value of attribute names_to_numbers.



609
610
611
 
# File 'lib/mesa_test.rb', line 609

def names_to_numbers
  @names_to_numbers
end

#shell ⇒ Object (readonly)

Returns the value of attribute shell.



609
610
611
 
# File 'lib/mesa_test.rb', line 609

def shell
  @shell
end

#test_case_names ⇒ Object (readonly)

Returns the value of attribute test_case_names.



609
610
611
 
# File 'lib/mesa_test.rb', line 609

def test_case_names
  @test_case_names
end

#test_cases ⇒ Object (readonly)

Returns the value of attribute test_cases.



609
610
611
 
# File 'lib/mesa_test.rb', line 609

def test_cases
  @test_cases
end

Class Method Details

.checkout(sha: nil, work_dir: nil, mirror_dir: nil, github_protocol: :ssh) ⇒ Object 



612
613
614
615
616
617
618
 
# File 'lib/mesa_test.rb', line 612

def self.checkout(sha: nil, work_dir: nil, mirror_dir: nil,
                  github_protocol: :ssh)
  m = Mesa.new(mesa_dir: work_dir, mirror_dir: mirror_dir,
               github_protocol: github_protocol)   
  m.checkout(new_sha: sha)
  m
end

Instance Method Details

#build_log_64 ⇒ Object

base 64-encoded contents of build.log



788
789
790
791
792
793
 
# File 'lib/mesa_test.rb', line 788

def build_log_64
  build_log = File.join(mesa_dir, 'build.log')
  return '' unless File.exist?(build_log)

  b64_file(build_log)
end

#check_installation ⇒ Object

throw an error unless it seems like it’s properly compiled

Raises:



780
781
782
783
784
785
 
# File 'lib/mesa_test.rb', line 780

def check_installation
  return if installed?

  raise MesaDirError, 'Installation check failed (build.log doesn\'t '\
                      'show a successful installation).'
end

#check_mod(mod) ⇒ Object

TEST SUITE METHODS

Raises:



814
815
816
817
818
819
 
# File 'lib/mesa_test.rb', line 814

def check_mod(mod)
  return if MesaTestCase.modules.include? mod

  raise TestCaseDirError, "Invalid module: #{mod}. Must be one of: " +
                          MesaTestCase.modules.join(', ')
end

#checkout(new_sha: 'HEAD') ⇒ Object

Raises:



645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
 
# File 'lib/mesa_test.rb', line 645

def checkout(new_sha: 'HEAD')
  # before anything confirm that git-lfs has been installed
  shell.say "\nEnsuring that git-lfs is installed... ", :blue
  command = 'git lfs help >> /dev/null 2>&1'
  if bash_execute(command)
    shell.say "yes", :green
  else
    shell.say "no", :red
    raise(GitHubError, "The command #{command} returned with an error "\
                       'status, indicating that git-lfs is not installed. '\
                       'Make sure it is installed and try again.')
  end

  # set up mirror if it doesn't exist
  unless dir_or_symlink_exists?(mirror_dir)
    shell.say "\nCreating initial mirror at #{mirror_dir}. "\
              'This might take awhile...', :blue
    FileUtils.mkdir_p mirror_dir
    case github_protocol
    when :ssh
      command = "git clone --mirror #{GITHUB_SSH} #{mirror_dir}"
      shell.say command
      # fail loudly if this doesn't work
      unless bash_execute(command)
        # nuke the mirror directory since it is probably bogus (make this
        # code fire off the next time checkout is done)
        shell.say "Failed. Removing the [potentially corrupted] mirror.", :red
        command = "rm -rf #{mirror_dir}"
        shell.say command
        bash_execute(command)

        raise(GitHubError, 'Error while executing the following command:'\
                           "#{command}. Perhaps you haven't set up "\
                           'ssh keys with your GitHub account?')
      end
    when :https
      command = "git clone --mirror #{GITHUB_HTTPS} #{mirror_dir}"
      shell.say command
      # fail loudly if this doesn't work
      unless bash_execute(command)
        # nuke the mirror directory since it is probably bogus (make this
        # code fire off the next time checkout is done)
        shell.say "Failed. Removing the [potentially corrupted] mirror.", :red
        command = "rm -rf #{mirror_dir}"
        shell.say command
        bash_execute(command)

        raise(GitHubError, 'Error while executing the following command: '\
                           "#{command}. Perhaps you need to configure "\
                           'global GitHub account settings for https '\
                           'authentication to work properly?')
      end
    else
      raise(GitHubError, "Invalid GitHub protocol: \"#{github_protocol}\"")
    end
  end

  # ensure "work" directory is removed from worktree
  remove

  update_mirror

  # create "work" directory with proper commit
  shell.say "\nSetting up worktree repo...", :blue
  FileUtils.mkdir_p mesa_dir
  command = "git -C #{mirror_dir} worktree add #{mesa_dir} #{new_sha}"
  shell.say command
  return if bash_execute(command)

  raise(GitHubError, 'Failed while executing the following command: '\
                     "\"#{command}\".")
end

#clean ⇒ Object 



753
754
755
756
757
758
759
760
761
762
763
 
# File 'lib/mesa_test.rb', line 753

def clean
  with_mesa_dir do
    visit_and_check mesa_dir, MesaDirError, 'E\countered a problem in ' \
                              "running `clean` in #{mesa_dir}." do
      shell.say('MESA_DIR = ' + ENV['MESA_DIR'])
      shell.say './clean'
      bash_execute('./clean')
    end
  end
  self
end

#compiler_hash ⇒ Object

sourced from $MESA_DIR/testhub.yml, which should be created after installation



797
798
799
800
801
802
803
804
805
806
807
808
809
810
 
# File 'lib/mesa_test.rb', line 797

def compiler_hash
  data_file = File.join(mesa_dir, 'testhub.yml')
  res = {
          compiler: 'Unknown',
          sdk_version: 'Unknown',
          math_backend: 'Unknown'
        }
  if File.exist? data_file
    res = res.merge(YAML.safe_load(File.read(data_file)) || {})
    # currently version_number is reported, but we don't need that in Git land
    res.delete('version_number') # returns the value, not the updated hash
    res
  end
end

#downloaded? ⇒ Boolean

Returns:

  • (Boolean) 


889
890
891
 
# File 'lib/mesa_test.rb', line 889

def downloaded?
  check_mesa_dir
end

#each_test_run(mod: :all) ⇒ Object 



875
876
877
878
879
880
881
882
883
884
885
886
887
 
# File 'lib/mesa_test.rb', line 875

def each_test_run(mod: :all)
  check_installation

  if mod == :all
    MesaTestCase.modules.each do |this_mod|
      each_test_run(mod: this_mod)
    end
  else
    visit_dir(test_suite_dir(mod: mod)) do
      bash_execute('./each_test_run')
    end
  end
end

#find_test_case(test_case_name: nil, mod: :all) ⇒ Object

can accept a number (in string form) as a name for indexed access



867
868
869
870
871
872
873
 
# File 'lib/mesa_test.rb', line 867

def find_test_case(test_case_name: nil, mod: :all)
  if /\A[0-9]+\z/ =~ test_case_name
    find_test_case_by_number(test_number: test_case_name.to_i, mod: mod)
  else
    find_test_case_by_name(test_case_name: test_case_name, mod: mod)
  end
end

#git_sha ⇒ Object 



745
746
747
 
# File 'lib/mesa_test.rb', line 745

def git_sha
  bashticks("git -C #{mesa_dir} rev-parse HEAD")
end

#install ⇒ Object 



765
766
767
768
769
770
771
772
773
774
775
776
777
 
# File 'lib/mesa_test.rb', line 765

def install
  with_mesa_dir do
    visit_and_check mesa_dir, MesaDirError, 'Encountered a problem in ' \
                              "running `install` in #{mesa_dir}." do
      shell.say('MESA_DIR = ' + ENV['MESA_DIR'])
      shell.say './install'
      bash_execute('./install')
    end
  end
  # this should never happen if visit_and_check works properly.
  check_installation
  self
end

#install_attempted? ⇒ Boolean

Returns:

  • (Boolean) 


902
903
904
 
# File 'lib/mesa_test.rb', line 902

def install_attempted?
  File.exist? File.join(mesa_dir, 'testhub.yml')
end

#installed? ⇒ Boolean

Returns:

  • (Boolean) 


893
894
895
896
897
898
899
900
 
# File 'lib/mesa_test.rb', line 893

def installed?
  # assume build log reflects installation status; does not account for
  # mucking with modules after the fact
  build_log = File.join(mesa_dir, 'build.log')
  downloaded? && File.exist?(build_log) && File.read(build_log).include?(
    'MESA installation was successful'
  )
end

#load_test_source_data(mod: :all) ⇒ Object

load data from the ‘do1_test_source` file that gets used in a lot of testing



828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
 
# File 'lib/mesa_test.rb', line 828

def load_test_source_data(mod: :all)
  # allow for brainless loading of all module data
  if mod == :all
    MesaTestCase.modules.each do |this_mod|
      load_test_source_data(mod: this_mod)
    end
  else
    check_mod mod

    # convert output of +list_tests+ to a dictionary that maps
    # names to numbers since +each_test_run+ only knows about numbers
    @names_to_numbers[mod] = {}
    @test_case_names[mod] = []
    @test_cases[mod] = {}
    visit_dir(test_suite_dir(mod: mod), quiet: true) do
      bashticks('./list_tests').split("\n").each do |line|
        num, tc_name = line.strip.split
        @names_to_numbers[mod][tc_name.strip] = num.to_i
        @test_case_names[mod] << tc_name.strip
        begin
          @test_cases[mod][tc_name.strip] = MesaTestCase.new(
            test: tc_name.strip,
            mod: mod,
            position: num.to_i,
            mesa: self
          )
        rescue TestCaseDirError
          shell.say "No such test case #{tc_name.strip}. Skipping loading it.", :red
        end
      end
    end
  end
end

#remove ⇒ Object 



729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
 
# File 'lib/mesa_test.rb', line 729

def remove
  return unless File.exist? mesa_dir
  shell.say "\nRemoving work directory from worktree (clearing old data)...",
            :blue
  command = "git -C #{mirror_dir} worktree remove --force #{mesa_dir}"
  shell.say command
  return if bash_execute(command)

  shell.say "Failed. Simply trying to remove the directory.", :red
  command = "rm -rf #{mesa_dir}"
  shell.say command
  # fail loudly (the "true" tells bash_execute to raise an exception if
  # the command fails)
  bash_execute(command, true)
end

#sha ⇒ Object 



749
750
751
 
# File 'lib/mesa_test.rb', line 749

def sha
  git_sha
end

#test_case_count(mod: :all) ⇒ Object 



862
863
864
 
# File 'lib/mesa_test.rb', line 862

def test_case_count(mod: :all)
  all_names_ordered(mod: mod).count
end

#test_suite_dir(mod: nil) ⇒ Object 



821
822
823
824
 
# File 'lib/mesa_test.rb', line 821

def test_suite_dir(mod: nil)
  check_mod mod
  File.join(mesa_dir, mod.to_s, 'test_suite')
end

#update_mirror ⇒ Object

Raises:



718
719
720
721
722
723
724
725
726
727
 
# File 'lib/mesa_test.rb', line 718

def update_mirror
  shell.say "\nFetching MESA history...", :blue
  command = "git -C #{mirror_dir} fetch origin --prune"
  shell.say command
  # fail loudly
  return if bash_execute(command)

  raise(GitHubError, 'Failed while executing the following command: '\
                     "\"#{command}\".")
end

#with_mesa_dir ⇒ Object

change MESA_DIR for the execution of the block and then revert to the original value



908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
 
# File 'lib/mesa_test.rb', line 908

def with_mesa_dir
  # change MESA_DIR, holding on to old value
  orig_mesa_dir = ENV['MESA_DIR']
  ENV['MESA_DIR'] = mesa_dir
  shell.say "Temporarily changed MESA_DIR to #{ENV['MESA_DIR']}.", :blue

  # do the stuff
  begin
    yield
  # make sure we undo MESA_DIR change
  ensure
    ENV['MESA_DIR'] = orig_mesa_dir
    shell.say "Changed MESA_DIR back to #{ENV['MESA_DIR']}.", :blue
  end
end