Class: Gem::TestCase

Inherits:
MiniTest::Unit::TestCase
  • Object
show all
Includes:
DefaultUserInteraction
Defined in:
lib/rubygems/test_case.rb

Overview

RubyGemTestCase provides a variety of methods for testing rubygems and gem-related behavior in a sandbox. Through RubyGemTestCase you can install and uninstall gems, fetch remote gems through a stub fetcher and be assured your normal set of gems is not affected.

Tests are always run at a safe level of 1.

Direct Known Subclasses

InstallerTestCase, Package::TarTestCase

Constant Summary collapse

@@project_dir = 
Dir.pwd
@@ruby = 
rubybin
@@rake = 
if env_rake then
  ENV["rake"]
elsif File.exist? ruby19_rake then
  @@ruby + " " + ruby19_rake
else
  'rake'
end

Class Method Summary collapse

Instance Method Summary collapse

Methods included from DefaultUserInteraction

ui, #ui, ui=, #ui=, use_ui, #use_ui

Class Method Details

.make_command ⇒ Object

Returns the make command for the current platform. For versions of Ruby built on MS Windows with VC++ or Borland it will return 'nmake'. On all other platforms, including Cygwin, it will return 'make'.



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# File 'lib/rubygems/test_case.rb', line 747

def self.make_command
  ENV["make"] || (vc_windows? ? 'nmake' : 'make')
end

.process_based_port ⇒ Object

Allows tests to use a random (but controlled) port number instead of a hardcoded one. This helps CI tools when running parallels builds on the same builder slave.



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# File 'lib/rubygems/test_case.rb', line 772

def self.process_based_port
  @@process_based_port ||= 8000 + $$ % 1000
end

.rubybin ⇒ Object

Finds the path to the ruby executable



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# File 'lib/rubygems/test_case.rb', line 804

def self.rubybin
  ruby = ENV["RUBY"]
  return ruby if ruby
  ruby = "ruby"
  rubyexe = "#{ruby}.exe"

  3.times do
    if File.exist? ruby and File.executable? ruby and !File.directory? ruby
      return File.expand_path(ruby)
    end
    if File.exist? rubyexe and File.executable? rubyexe
      return File.expand_path(rubyexe)
    end
    ruby = File.join("..", ruby)
  end

  begin
    require "rbconfig"
    File.join(RbConfig::CONFIG["bindir"],
              RbConfig::CONFIG["ruby_install_name"] +
              RbConfig::CONFIG["EXEEXT"])
  rescue LoadError
    "ruby"
  end
end

.vc_windows? ⇒ Boolean

Returns whether or not we're on a version of Ruby built with VC++ (or Borland) versus Cygwin, Mingw, etc.

Returns:

  • (Boolean) 


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# File 'lib/rubygems/test_case.rb', line 730

def self.vc_windows?
  RUBY_PLATFORM.match('mswin')
end

.win_platform? ⇒ Boolean

Is this test being run on a Windows platform?

Returns:

  • (Boolean) 


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# File 'lib/rubygems/test_case.rb', line 715

def self.win_platform?
  Gem.win_platform?
end

Instance Method Details

#all_spec_names ⇒ Object 



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# File 'lib/rubygems/test_case.rb', line 328

def all_spec_names
  Gem::Specification.map(&:full_name)
end

#assert_path_exists(path, msg = nil) ⇒ Object

TODO: move to minitest



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# File 'lib/rubygems/test_case.rb', line 84

def assert_path_exists path, msg = nil
  msg = message(msg) { "Expected path '#{path}' to exist" }
  assert File.exist?(path), msg
end

#build_rake_in ⇒ Object

Allows the proper version of rake to be used for the test.



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# File 'lib/rubygems/test_case.rb', line 786

def build_rake_in
  gem_ruby = Gem.ruby
  Gem.ruby = @@ruby
  env_rake = ENV["rake"]
  ENV["rake"] = @@rake
  yield @@rake
ensure
  Gem.ruby = gem_ruby
  if env_rake
    ENV["rake"] = env_rake
  else
    ENV.delete("rake")
  end
end

#create_tmpdir ⇒ Object

creates a temporary directory with hax



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# File 'lib/rubygems/test_case.rb', line 279

def create_tmpdir
  tmpdir = nil
  Dir.chdir Dir.tmpdir do tmpdir = Dir.pwd end # HACK OSX /private/tmp
  tmpdir = File.join tmpdir, "test_rubygems_#{$$}"
  FileUtils.mkdir_p tmpdir
  return tmpdir
end

#dep(name, *requirements) ⇒ Object

Construct a new Gem::Dependency.



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# File 'lib/rubygems/test_case.rb', line 844

def dep name, *requirements
  Gem::Dependency.new name, *requirements
end

#install_gem(spec, options = {}) ⇒ Object

Builds and installs the Gem::Specification spec



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# File 'lib/rubygems/test_case.rb', line 246

def install_gem spec, options = {}
  require 'rubygems/installer'

  use_ui Gem::MockGemUi.new do
    Dir.chdir @tempdir do
      Gem::Builder.new(spec).build
    end
  end

  gem = File.join(@tempdir, File.basename(spec.cache_file)).untaint

  Gem::Installer.new(gem, options.merge({:wrappers => true})).install
end

#install_gem_user(spec) ⇒ Object

Builds and installs the Gem::Specification spec into the user dir



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# File 'lib/rubygems/test_case.rb', line 263

def install_gem_user spec
  install_gem spec, :user_install => true
end

#install_specs(*specs) ⇒ Object

Install the provided specs



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# File 'lib/rubygems/test_case.rb', line 432

def install_specs(*specs)
  Gem::Specification.add_specs(*specs)
  Gem.searcher = nil
end

#make_command ⇒ Object

Returns the make command for the current platform. For versions of Ruby built on MS Windows with VC++ or Borland it will return 'nmake'. On all other platforms, including Cygwin, it will return 'make'.



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# File 'lib/rubygems/test_case.rb', line 756

def make_command
  ENV["make"] || (vc_windows? ? 'nmake' : 'make')
end

#mu_pp(obj) ⇒ Object

Enables pretty-print for all tests



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# File 'lib/rubygems/test_case.rb', line 290

def mu_pp(obj)
  s = ''
  s = PP.pp obj, s
  s = s.force_encoding(Encoding.default_external) if defined? Encoding
  s.chomp
end

#new_spec(name, version, deps = nil, *files) ⇒ Object

Create a new spec (or gem if passed an array of files) and set it up properly. Use this instead of util_spec and util_gem.



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# File 'lib/rubygems/test_case.rb', line 441

def new_spec name, version, deps = nil, *files
  require 'rubygems/specification'

  spec = Gem::Specification.new do |s|
    s.platform    = Gem::Platform::RUBY
    s.name        = name
    s.version     = version
    s.author      = 'A User'
    s.email       = '[email protected]'
    s.homepage    = 'http://example.com'
    s.summary     = "this is a summary"
    s.description = "This is a test description"

    Array(deps).each do |n, req|
      s.add_dependency n, (req || '>= 0')
    end

    s.files.push(*files) unless files.empty?

    yield s if block_given?
  end

  spec.loaded_from = spec.spec_file

  unless files.empty? then
    write_file spec.spec_file do |io|
      io.write spec.to_ruby_for_cache
    end

    util_build_gem spec

    cache_file = File.join @tempdir, 'gems', "#{spec.full_name}.gem"
    FileUtils.mkdir_p File.dirname cache_file
    FileUtils.mv spec.cache_file, cache_file
    FileUtils.rm spec.spec_file
  end

  spec
end

#nmake_found? ⇒ Boolean

Returns whether or not the nmake command could be found.

Returns:

  • (Boolean) 


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# File 'lib/rubygems/test_case.rb', line 763

def nmake_found?
  system('nmake /? 1>NUL 2>&1')
end

#process_based_port ⇒ Object

See ::process_based_port



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# File 'lib/rubygems/test_case.rb', line 779

def process_based_port
  self.class.process_based_port
end

#quick_gem(name, version = '2') ⇒ Object

Creates a Gem::Specification with a minimum of extra work. name and version are the gem's name and version, platform, author, email, homepage, summary and description are defaulted. The specification is yielded for customization.

The gem is added to the installed gems in @gemhome and to the current source_index.

Use this with #write_file to build an installed gem.



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# File 'lib/rubygems/test_case.rb', line 343

def quick_gem(name, version='2')
  require 'rubygems/specification'

  spec = Gem::Specification.new do |s|
    s.platform    = Gem::Platform::RUBY
    s.name        = name
    s.version     = version
    s.author      = 'A User'
    s.email       = '[email protected]'
    s.homepage    = 'http://example.com'
    s.summary     = "this is a summary"
    s.description = "This is a test description"

    yield(s) if block_given?
  end

  Gem::Specification.map # HACK: force specs to (re-)load before we write

  written_path = write_file spec.spec_file do |io|
    io.write spec.to_ruby_for_cache
  end

  spec.loaded_from = spec.loaded_from = written_path

  Gem::Specification.add_spec spec.for_cache

  return spec
end

#quick_spec(name, version = '2') ⇒ Object 



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# File 'lib/rubygems/test_case.rb', line 372

def quick_spec name, version = '2'
  # TODO: deprecate
  require 'rubygems/specification'

  spec = Gem::Specification.new do |s|
    s.platform    = Gem::Platform::RUBY
    s.name        = name
    s.version     = version
    s.author      = 'A User'
    s.email       = '[email protected]'
    s.homepage    = 'http://example.com'
    s.summary     = "this is a summary"
    s.description = "This is a test description"

    yield(s) if block_given?
  end

  spec.loaded_from = spec.spec_file

  Gem::Specification.add_spec spec

  return spec
end

#read_binary(path) ⇒ Object

Reads a binary file at path



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# File 'lib/rubygems/test_case.rb', line 309

def read_binary(path)
  Gem.read_binary path
end

#read_cache(path) ⇒ Object

Reads a Marshal file at path



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# File 'lib/rubygems/test_case.rb', line 300

def read_cache(path)
  open path.dup.untaint, 'rb' do |io|
    Marshal.load io.read
  end
end

#refute_path_exists(path, msg = nil) ⇒ Object

TODO: move to minitest



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# File 'lib/rubygems/test_case.rb', line 90

def refute_path_exists path, msg = nil
  msg = message(msg) { "Expected path '#{path}' to not exist" }
  refute File.exist?(path), msg
end

#req(*requirements) ⇒ Object

Constructs a new Gem::Requirement.



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# File 'lib/rubygems/test_case.rb', line 851

def req *requirements
  return requirements.first if Gem::Requirement === requirements.first
  Gem::Requirement.create requirements
end

#setup ⇒ Object

#setup prepares a sandboxed location to install gems. All installs are directed to a temporary directory. All install plugins are removed.

If the RUBY environment variable is set the given path is used for Gem::ruby. The local platform is set to i386-mswin32 for Windows or i686-darwin8.10.1 otherwise.

If the KEEP_FILES environment variable is set the files will not be removed from /tmp/test_rubygems_#{$$}.#{Time.now.to_i}.



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# File 'lib/rubygems/test_case.rb', line 113

def setup
  super

  @orig_gem_home = ENV['GEM_HOME']
  @orig_gem_path = ENV['GEM_PATH']

  @current_dir = Dir.pwd
  @ui = Gem::MockGemUi.new

  tmpdir = nil
  Dir.chdir Dir.tmpdir do tmpdir = Dir.pwd end # HACK OSX /private/tmp

  if ENV['KEEP_FILES'] then
    @tempdir = File.join(tmpdir, "test_rubygems_#{$$}.#{Time.now.to_i}")
  else
    @tempdir = File.join(tmpdir, "test_rubygems_#{$$}")
  end
  @tempdir.untaint
  @gemhome  = File.join @tempdir, 'gemhome'
  @userhome = File.join @tempdir, 'userhome'

  @orig_ruby = if ruby = ENV['RUBY'] then
                 Gem.class_eval { ruby, @ruby = @ruby, ruby }
                 ruby
               end

  Gem.ensure_gem_subdirectories @gemhome

  @orig_LOAD_PATH = $LOAD_PATH.dup
  $LOAD_PATH.map! { |s| File.expand_path s }

  Dir.chdir @tempdir

  @orig_ENV_HOME = ENV['HOME']
  ENV['HOME'] = @userhome
  Gem.instance_variable_set :@user_home, nil

  FileUtils.mkdir_p @gemhome
  FileUtils.mkdir_p @userhome

  Gem.use_paths(@gemhome)

  Gem.loaded_specs.clear
  Gem.unresolved_deps.clear

  Gem.configuration.verbose = true
  Gem.configuration.update_sources = true

  @gem_repo = "http://gems.example.com/"
  @uri = URI.parse @gem_repo
  Gem.sources.replace [@gem_repo]

  Gem.searcher = nil
  Gem::SpecFetcher.fetcher = nil

  @orig_BASERUBY = Gem::ConfigMap[:BASERUBY]
  Gem::ConfigMap[:BASERUBY] = Gem::ConfigMap[:ruby_install_name]

  @orig_arch = Gem::ConfigMap[:arch]

  if win_platform?
    util_set_arch 'i386-mswin32'
  else
    util_set_arch 'i686-darwin8.10.1'
  end

  @marshal_version = "#{Marshal::MAJOR_VERSION}.#{Marshal::MINOR_VERSION}"

  # TODO: move to installer test cases
  Gem.post_build_hooks.clear
  Gem.post_install_hooks.clear
  Gem.post_uninstall_hooks.clear
  Gem.pre_install_hooks.clear
  Gem.pre_uninstall_hooks.clear

  # TODO: move to installer test cases
  Gem.post_build do |installer|
    @post_build_hook_arg = installer
    true
  end

  Gem.post_install do |installer|
    @post_install_hook_arg = installer
  end

  Gem.post_uninstall do |uninstaller|
    @post_uninstall_hook_arg = uninstaller
  end

  Gem.pre_install do |installer|
    @pre_install_hook_arg = installer
    true
  end

  Gem.pre_uninstall do |uninstaller|
    @pre_uninstall_hook_arg = uninstaller
  end
end

#spec(name, version, &block) ⇒ Object

Constructs a new Gem::Specification.



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# File 'lib/rubygems/test_case.rb', line 859

def spec name, version, &block
  Gem::Specification.new name, v(version), &block
end

#teardown ⇒ Object

#teardown restores the process to its original state and removes the tempdir unless the KEEP_FILES environment variable was set.



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# File 'lib/rubygems/test_case.rb', line 216

def teardown
  $LOAD_PATH.replace @orig_LOAD_PATH

  Gem::ConfigMap[:BASERUBY] = @orig_BASERUBY
  Gem::ConfigMap[:arch] = @orig_arch

  if defined? Gem::RemoteFetcher then
    Gem::RemoteFetcher.fetcher = nil
  end

  Dir.chdir @current_dir

  FileUtils.rm_rf @tempdir unless ENV['KEEP_FILES']

  ENV['GEM_HOME'] = @orig_gem_home
  ENV['GEM_PATH'] = @orig_gem_path

  _ = @orig_ruby
  Gem.class_eval { @ruby = _ } if _

  if @orig_ENV_HOME then
    ENV['HOME'] = @orig_ENV_HOME
  else
    ENV.delete 'HOME'
  end
end

#uninstall_gem(spec) ⇒ Object

Uninstalls the Gem::Specification spec



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# File 'lib/rubygems/test_case.rb', line 269

def uninstall_gem spec
  require 'rubygems/uninstaller'

  Gem::Uninstaller.new(spec.name,
                       :executables => true, :user_install => true).uninstall
end

#util_build_gem(spec) ⇒ Object

Builds a gem from spec and places it in File.join @gemhome, 'cache'. Automatically creates files based on spec.files



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# File 'lib/rubygems/test_case.rb', line 400

def util_build_gem(spec)
  dir = spec.gem_dir
  FileUtils.mkdir_p dir

  Dir.chdir dir do
    spec.files.each do |file|
      next if File.exist? file
      FileUtils.mkdir_p File.dirname(file)
      File.open file, 'w' do |fp| fp.puts "# #{file}" end
    end

    use_ui Gem::MockGemUi.new do
      Gem::Builder.new(spec).build
    end

    cache = spec.cache_file
    FileUtils.mv File.basename(cache), cache
  end
end

#util_clear_gems ⇒ Object

Removes all installed gems from @gemhome.



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# File 'lib/rubygems/test_case.rb', line 423

def util_clear_gems
  FileUtils.rm_rf File.join(@gemhome, "gems") # TODO: use Gem::Dirs
  FileUtils.rm_rf File.join(@gemhome, "specifications")
  Gem::Specification.reset
end

#util_gem(name, version, deps = nil, &block) ⇒ Object

Creates a gem with name, version and deps. The specification will be yielded before gem creation for customization. The gem will be placed in File.join @tempdir, 'gems'. The specification and .gem file location are returned.



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# File 'lib/rubygems/test_case.rb', line 508

def util_gem(name, version, deps = nil, &block)
  # TODO: deprecate
  raise "deps or block, not both" if deps and block

  if deps then
    block = proc do |s|
      # Since Hash#each is unordered in 1.8, sort
      # the keys and iterate that way so the tests are
      # deteriminstic on all implementations.
      deps.keys.sort.each do |n|
        s.add_dependency n, (deps[n] || '>= 0')
      end
    end
  end

  spec = quick_gem(name, version, &block)

  util_build_gem spec

  cache_file = File.join @tempdir, 'gems', "#{spec.original_name}.gem"
  FileUtils.mkdir_p File.dirname cache_file
  FileUtils.mv spec.cache_file, cache_file
  FileUtils.rm spec.spec_file

  spec.loaded_from = nil

  [spec, cache_file]
end

#util_gzip(data) ⇒ Object

Gzips data.



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# File 'lib/rubygems/test_case.rb', line 540

def util_gzip(data)
  out = StringIO.new

  Zlib::GzipWriter.wrap out do |io|
    io.write data
  end

  out.string
end

#util_make_gems(prerelease = false) ⇒ Object

Creates several default gems which all have a lib/code.rb file. The gems are not installed but are available in the cache dir.

@a1

gem a version 1, this is the best-described gem.

@a2

gem a version 2

+@a3a

gem a version 3.a

@a_evil9

gem a_evil version 9, use this to ensure similarly-named gems don't collide with a.

@b2

gem b version 2

@c1_2

gem c version 1.2

@pl1

gem pl version 1, this gem has a legacy platform of i386-linux.

Additional prerelease gems may also be created:

@a2_pre

gem a version 2.a

TODO: nuke this and fix tests. this should speed up a lot



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# File 'lib/rubygems/test_case.rb', line 568

def util_make_gems(prerelease = false)
  @a1 = quick_gem 'a', '1' do |s|
    s.files = %w[lib/code.rb]
    s.require_paths = %w[lib]
    s.date = Gem::Specification::TODAY - 86400
    s.homepage = 'http://a.example.com'
    s.email = %w[[email protected] [email protected]]
    s.authors = %w[Example Example2]
    s.description = <<-DESC
This line is really, really long.  So long, in fact, that it is more than eighty characters long!  The purpose of this line is for testing wrapping behavior because sometimes people don't wrap their text to eighty characters.  Without the wrapping, the text might not look good in the RSS feed.

Also, a list:
* An entry that\'s actually kind of sort
* an entry that\'s really long, which will probably get wrapped funny.  That's ok, somebody wasn't thinking straight when they made it more than eighty characters.
    DESC
  end

  init = proc do |s|
    s.files = %w[lib/code.rb]
    s.require_paths = %w[lib]
  end

  @a2      = quick_gem('a', '2',      &init)
  @a3a     = quick_gem('a', '3.a',    &init)
  @a_evil9 = quick_gem('a_evil', '9', &init)
  @b2      = quick_gem('b', '2',      &init)
  @c1_2    = quick_gem('c', '1.2',    &init)

  @pl1     = quick_gem 'pl', '1' do |s| # l for legacy
    s.files = %w[lib/code.rb]
    s.require_paths = %w[lib]
    s.platform = Gem::Platform.new 'i386-linux'
    s.instance_variable_set :@original_platform, 'i386-linux'
  end

  if prerelease
    @a2_pre = quick_gem('a', '2.a', &init)
    write_file File.join(*%W[gems #{@a2_pre.original_name} lib code.rb])
    util_build_gem @a2_pre
  end

  write_file File.join(*%W[gems #{@a1.original_name}   lib code.rb])
  write_file File.join(*%W[gems #{@a2.original_name}   lib code.rb])
  write_file File.join(*%W[gems #{@a3a.original_name}  lib code.rb])
  write_file File.join(*%W[gems #{@b2.original_name}   lib code.rb])
  write_file File.join(*%W[gems #{@c1_2.original_name} lib code.rb])
  write_file File.join(*%W[gems #{@pl1.original_name}  lib code.rb])

  [@a1, @a2, @a3a, @a_evil9, @b2, @c1_2, @pl1].each do |spec|
    util_build_gem spec
  end

  FileUtils.rm_r File.join(@gemhome, "gems", @pl1.original_name)
end

#util_set_arch(arch) ⇒ Object

Set the platform to arch



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# File 'lib/rubygems/test_case.rb', line 626

def util_set_arch(arch)
  Gem::ConfigMap[:arch] = arch
  platform = Gem::Platform.new arch

  Gem.instance_variable_set :@platforms, nil
  Gem::Platform.instance_variable_set :@local, nil

  platform
end

#util_setup_fake_fetcher(prerelease = false) ⇒ Object

Sets up a fake fetcher using the gems from #util_make_gems. Optionally additional prerelease gems may be included.

Gems created by this method may be fetched using Gem::RemoteFetcher.



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# File 'lib/rubygems/test_case.rb', line 642

def util_setup_fake_fetcher(prerelease = false)
  require 'zlib'
  require 'socket'
  require 'rubygems/remote_fetcher'

  @fetcher = Gem::FakeFetcher.new

  util_make_gems(prerelease)
  Gem::Specification.reset

  @all_gems = [@a1, @a2, @a3a, @a_evil9, @b2, @c1_2].sort
  @all_gem_names = @all_gems.map { |gem| gem.full_name }

  gem_names = [@a1.full_name, @a2.full_name, @a3a.full_name, @b2.full_name]
  @gem_names = gem_names.sort.join("\n")

  Gem::RemoteFetcher.fetcher = @fetcher
end

#util_setup_spec_fetcher(*specs) ⇒ Object

Sets up Gem::SpecFetcher to return information from the gems in specs. Best used with @all_gems from #util_setup_fake_fetcher.



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# File 'lib/rubygems/test_case.rb', line 665

def util_setup_spec_fetcher(*specs)
  specs -= Gem::Specification._all
  Gem::Specification.add_specs(*specs)

  spec_fetcher = Gem::SpecFetcher.fetcher

  prerelease, _ = Gem::Specification.partition { |spec|
    spec.version.prerelease?
  }

  spec_fetcher.specs[@uri] = []
  Gem::Specification.each do |spec|
    spec_tuple = [spec.name, spec.version, spec.original_platform]
    spec_fetcher.specs[@uri] << spec_tuple
  end

  spec_fetcher.latest_specs[@uri] = []
  Gem::Specification.latest_specs.each do |spec|
    spec_tuple = [spec.name, spec.version, spec.original_platform]
    spec_fetcher.latest_specs[@uri] << spec_tuple
  end

  spec_fetcher.prerelease_specs[@uri] = []
  prerelease.each do |spec|
    spec_tuple = [spec.name, spec.version, spec.original_platform]
    spec_fetcher.prerelease_specs[@uri] << spec_tuple
  end

  v = Gem.marshal_version

  Gem::Specification.each do |spec|
    path = "#{@gem_repo}quick/Marshal.#{v}/#{spec.original_name}.gemspec.rz"
    data = Marshal.dump spec
    data_deflate = Zlib::Deflate.deflate data
    @fetcher.data[path] = data_deflate
  end unless Gem::RemoteFetcher === @fetcher # HACK for test_download_to_cache

  nil # force errors
end

#util_spec(name, version, deps = nil, &block) ⇒ Object

Creates a spec with name, version and deps.



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# File 'lib/rubygems/test_case.rb', line 484

def util_spec(name, version, deps = nil, &block)
  # TODO: deprecate
  raise "deps or block, not both" if deps and block

  if deps then
    block = proc do |s|
      # Since Hash#each is unordered in 1.8, sort
      # the keys and iterate that way so the tests are
      # deteriminstic on all implementations.
      deps.keys.sort.each do |n|
        s.add_dependency n, (deps[n] || '>= 0')
      end
    end
  end

  quick_spec(name, version, &block)
end

#util_zip(data) ⇒ Object

Deflates data



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# File 'lib/rubygems/test_case.rb', line 708

def util_zip(data)
  Zlib::Deflate.deflate data
end

#v(string) ⇒ Object

Construct a new Gem::Version.



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# File 'lib/rubygems/test_case.rb', line 866

def v string
  Gem::Version.create string
end

#vc_windows? ⇒ Boolean

Returns whether or not we're on a version of Ruby built with VC++ (or Borland) versus Cygwin, Mingw, etc.

Returns:

  • (Boolean) 


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# File 'lib/rubygems/test_case.rb', line 738

def vc_windows?
  RUBY_PLATFORM.match('mswin')
end

#win_platform? ⇒ Boolean

Is this test being run on a Windows platform?

Returns:

  • (Boolean) 


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# File 'lib/rubygems/test_case.rb', line 722

def win_platform?
  Gem.win_platform?
end

#write_file(path) ⇒ Object

Writes a binary file to path which is relative to @gemhome



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# File 'lib/rubygems/test_case.rb', line 316

def write_file(path)
  path = File.join @gemhome, path unless Pathname.new(path).absolute?
  dir = File.dirname path
  FileUtils.mkdir_p dir

  open path, 'wb' do |io|
    yield io if block_given?
  end

  path
end