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.



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# File 'lib/mesa_test.rb', line 387

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.



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# File 'lib/mesa_test.rb', line 376

def github_protocol
  @github_protocol
end

#mesa_dir ⇒ Object (readonly)

Returns the value of attribute mesa_dir.



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# File 'lib/mesa_test.rb', line 376

def mesa_dir
  @mesa_dir
end

#mirror_dir ⇒ Object (readonly)

Returns the value of attribute mirror_dir.



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# File 'lib/mesa_test.rb', line 376

def mirror_dir
  @mirror_dir
end

#names_to_numbers ⇒ Object (readonly)

Returns the value of attribute names_to_numbers.



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# File 'lib/mesa_test.rb', line 376

def names_to_numbers
  @names_to_numbers
end

#shell ⇒ Object (readonly)

Returns the value of attribute shell.



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# File 'lib/mesa_test.rb', line 376

def shell
  @shell
end

#test_case_names ⇒ Object (readonly)

Returns the value of attribute test_case_names.



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# File 'lib/mesa_test.rb', line 376

def test_case_names
  @test_case_names
end

#test_cases ⇒ Object (readonly)

Returns the value of attribute test_cases.



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# File 'lib/mesa_test.rb', line 376

def test_cases
  @test_cases
end

Class Method Details

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



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# File 'lib/mesa_test.rb', line 379

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

#check_installation ⇒ Object

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

Raises:



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# File 'lib/mesa_test.rb', line 547

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:



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# File 'lib/mesa_test.rb', line 570

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:



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# File 'lib/mesa_test.rb', line 412

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

  update_mirror

  # ensure "work" directory is removed from worktree
  remove

  # 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 



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# File 'lib/mesa_test.rb', line 520

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



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# File 'lib/mesa_test.rb', line 556

def compiler_hash
  data_file = File.join(mesa_dir, 'testhub.yml')
  unless File.exist? data_file
    raise(MesaDirError, "Could not find file testhub.yml in #{mesa_dir}.")
  end

  res = 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

#downloaded? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mesa_test.rb', line 641

def downloaded?
  check_mesa_dir
end

#each_test_run(mod: :all) ⇒ Object 



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# File 'lib/mesa_test.rb', line 627

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



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# File 'lib/mesa_test.rb', line 619

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 



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# File 'lib/mesa_test.rb', line 512

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

#install ⇒ Object 



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# File 'lib/mesa_test.rb', line 532

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

#installed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mesa_test.rb', line 645

def installed?
  # assume build log reflects installation status; does not account for
  # mucking with modules after the fact
  downloaded? && File.read(File.join(mesa_dir, '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



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# File 'lib/mesa_test.rb', line 584

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
        @test_cases[mod][tc_name.strip] = MesaTestCase.new(
          test: tc_name.strip,
          mod: mod,
          position: num.to_i,
          mesa: self
        )
      end
    end
  end
end

#remove ⇒ Object 



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# File 'lib/mesa_test.rb', line 496

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 



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# File 'lib/mesa_test.rb', line 516

def sha
  git_sha
end

#test_case_count(mod: :all) ⇒ Object 



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# File 'lib/mesa_test.rb', line 614

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

#test_suite_dir(mod: nil) ⇒ Object 



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# File 'lib/mesa_test.rb', line 577

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

#update_mirror ⇒ Object

Raises:



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# File 'lib/mesa_test.rb', line 485

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

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