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How to use fetcher method of Gem Package

Best Rr_ruby code snippet using Gem.fetcher

test_gem_spec_fetcher.rb

Source:test_gem_spec_fetcher.rb

1# frozen_string_literal: true2require 'rubygems/test_case'3require 'rubygems/spec_fetcher'4class TestGemSpecFetcher < Gem::TestCase5  def tuple(*args)6    Gem::NameTuple.new(*args)7  end8  def setup9    super10    @uri = URI.parse @gem_repo11    @source = Gem::Source.new(@uri)12    @sf = Gem::SpecFetcher.new13  end14  def test_initialize15    fetcher = Gem::SpecFetcher.new16    assert_same Gem.sources, fetcher.sources17  end18  def test_initialize_source19    alternate = 'http://alternate.example'20    fetcher = Gem::SpecFetcher.new alternate21    refute_same Gem.sources, fetcher.sources22    assert_equal alternate, fetcher.sources23  end24  def test_initialize_nonexistent_home_dir25    FileUtils.rmdir Gem.user_home26    assert Gem::SpecFetcher.new27  end28  def test_initialize_unwritable_home_dir29    skip 'chmod not supported' if Gem.win_platform?30    FileUtils.chmod 0000, Gem.user_home31    begin32      assert Gem::SpecFetcher.new33    ensure34      FileUtils.chmod 0755, Gem.user_home35    end36  end37  def test_spec_for_dependency_all38    spec_fetcher do |fetcher|39      fetcher.spec 'a', 140      fetcher.spec 'a', '2.a'41      fetcher.spec 'a', 242      fetcher.spec 'a', '3.a'43    end44    dep = Gem::Dependency.new 'a', ">= 1"45    specs_and_sources, _ = @sf.spec_for_dependency dep46    spec_names = specs_and_sources.map do |spec, source_uri|47      [spec.full_name, source_uri]48    end49    expected = [['a-1', @source], ['a-2', @source]]50    assert_equal expected, spec_names51    assert_same specs_and_sources.first.last, specs_and_sources.last.last52  end53  def test_spec_for_dependency_latest54    spec_fetcher do |fetcher|55      fetcher.spec 'a', 156      fetcher.spec 'a', 257      fetcher.spec 'a', '3.a'58    end59    dep = Gem::Dependency.new 'a'60    specs_and_sources, _ = @sf.spec_for_dependency dep61    spec_names = specs_and_sources.map do |spec, source_uri|62      [spec.full_name, source_uri]63    end64    assert_equal [['a-2', Gem::Source.new(@gem_repo)]],65                 spec_names66  end67  def test_spec_for_dependency_prerelease68    spec_fetcher do |fetcher|69      fetcher.spec 'a', '1.a'70      fetcher.spec 'a', 171    end72    specs_and_sources, _ = @sf.spec_for_dependency dep('a', '1.a')73    spec_names = specs_and_sources.map do |spec, source_uri|74      [spec.full_name, source_uri]75    end76    assert_equal [['a-1.a', Gem::Source.new(@gem_repo)]], spec_names77  end78  def test_spec_for_dependency_platform79    util_set_arch 'i386-linux'80    spec_fetcher do |fetcher|81      fetcher.legacy_platform82    end83    dep = Gem::Dependency.new 'pl', 184    specs_and_sources, _ = @sf.spec_for_dependency dep85    spec_names = specs_and_sources.map do |spec, source_uri|86      [spec.full_name, source_uri]87    end88    assert_equal [['pl-1-x86-linux', Gem::Source.new(@gem_repo)]],89                 spec_names90  end91  def test_spec_for_dependency_mismatched_platform92    util_set_arch 'hrpa-989'93    spec_fetcher do |fetcher|94      fetcher.legacy_platform95    end96    dep = Gem::Dependency.new 'pl', 197    specs_and_sources, errors = @sf.spec_for_dependency dep98    assert_equal 0, specs_and_sources.size99    assert_equal 1, errors.size100    pmm = errors.first101    assert_equal "i386-linux", pmm.platforms.first102    assert_equal "Found pl (1), but was for platform i386-linux", pmm.wordy103  end104  def test_spec_for_dependency_bad_fetch_spec105    src = Gem::Source.new(@gem_repo)106    def src.fetch_spec(name)107      raise Gem::RemoteFetcher::FetchError.new("bad news from the internet", @uri)108    end109    Gem.sources.replace [src]110    spec_fetcher do |fetcher|111      fetcher.spec 'a', 1112      fetcher.spec 'a', '2.a'113      fetcher.spec 'a', 2114      fetcher.spec 'a', '3.a'115    end116    dep = Gem::Dependency.new 'a', ">= 1"117    specs_and_sources, errors = @sf.spec_for_dependency dep118    assert_equal [], specs_and_sources119    sfp = errors.first120    assert_kind_of Gem::SourceFetchProblem, sfp121    assert_equal src, sfp.source122    assert_equal "bad news from the internet (#{@gem_repo})", sfp.error.message123  end124  def test_available_specs_latest125    spec_fetcher do |fetcher|126      fetcher.spec 'a', 1127      fetcher.spec 'a', 2128      fetcher.spec 'a', '3.a'129      fetcher.legacy_platform130    end131    specs, _ = @sf.available_specs(:latest)132    assert_equal [@source], specs.keys133    expected = Gem::NameTuple.from_list \134      [['a',      v(2),     Gem::Platform::RUBY],135       ['pl',     v(1),     'i386-linux']]136    assert_equal expected, specs[@source]137  end138  def test_available_specs_released139    spec_fetcher do |fetcher|140      fetcher.spec 'a', 1141      fetcher.legacy_platform142    end143    specs, _ = @sf.available_specs(:released)144    assert_equal [@source], specs.keys145    expected = Gem::NameTuple.from_list \146      [['a',      v(1),     Gem::Platform::RUBY],147       ['pl',     v(1),     'i386-linux']]148    assert_equal expected, specs[@source]149  end150  def test_available_specs_complete151    spec_fetcher do |fetcher|152      fetcher.spec 'a', 1153      fetcher.spec 'a', '2.a'154      fetcher.spec 'b', 2155      fetcher.legacy_platform156    end157    specs, _ = @sf.available_specs(:complete)158    assert_equal [@source], specs.keys159    expected = Gem::NameTuple.from_list \160      [['a',      v(1),     Gem::Platform::RUBY],161       ['a',      v('2.a'), Gem::Platform::RUBY],162       ['b',      v(2),     Gem::Platform::RUBY],163       ['pl',     v(1),     'i386-linux']]164    assert_equal expected, specs[@source]165  end166  def test_available_specs_complete_handles_no_prerelease167    spec_fetcher do |fetcher|168      fetcher.spec 'a', 1169      fetcher.spec 'a', '2.a'170      fetcher.spec 'b', 2171      fetcher.legacy_platform172    end173    v = Gem.marshal_version174    @fetcher.data.delete "#{@gem_repo}prerelease_specs.#{v}.gz"175    specs, _ = @sf.available_specs(:complete)176    assert_equal [@source], specs.keys177    expected = Gem::NameTuple.from_list \178      [['a',      v(1), Gem::Platform::RUBY],179       ['b',      v(2), Gem::Platform::RUBY],180       ['pl',     v(1), 'i386-linux']]181    assert_equal expected, specs[@source]182  end183  def test_available_specs_cache184    spec_fetcher do |fetcher|185      fetcher.spec 'a', 1186    end187    specs, _ = @sf.available_specs(:latest)188    refute specs[@source].empty?189    @fetcher.data["#{@gem_repo}/latest_specs.#{Gem.marshal_version}.gz"] = nil190    cached_specs, _ = @sf.available_specs(:latest)191    assert_equal specs, cached_specs192  end193  def test_available_specs_cache_released194    spec_fetcher do |fetcher|195      fetcher.spec 'a', 1196      fetcher.spec 'a', '2.a'197      fetcher.spec 'b', 2198      fetcher.legacy_platform199    end200    specs, _ = @sf.available_specs(:released)201    refute specs[@source].empty?202    @fetcher.data["#{@gem_repo}/specs.#{Gem.marshal_version}.gz"] = nil203    cached_specs, _ = @sf.available_specs(:released)204    assert_equal specs, cached_specs205  end206  def test_available_specs_prerelease207    spec_fetcher do |fetcher|208      fetcher.spec 'a', 1209      fetcher.spec 'a', '2.a'210    end211    specs, _ = @sf.available_specs(:prerelease)212    expected = Gem::NameTuple.from_list \213      [['a',  v('2.a'), Gem::Platform::RUBY]]214    assert_equal expected, specs[@source]215  end216  def test_available_specs_with_bad_source217    Gem.sources.replace ["http://not-there.nothing"]218    specs, errors = @sf.available_specs(:latest)219    assert_equal({}, specs)220    assert_kind_of Gem::SourceFetchProblem, errors.first221  end222end...

fetcher

Using AI Code Generation

1puts Gem::Specification.find_by_name("rake").gem_dir2puts Gem::Specification.find_by_name("rake").gem_dir3puts Gem::Specification.find_by_name("rake").gem_dir4puts Gem::Specification.find_by_name("rake").gem_dir5puts Gem::Specification.find_by_name("rake").gem_dir6puts Gem::Specification.find_by_name("rake").gem_dir7puts Gem::Specification.find_by_name("rake").gem_dir8puts Gem::Specification.find_by_name("rake").gem_dir9puts Gem::Specification.find_by_name("rake").gem_dir10puts Gem::Specification.find_by_name("rake").gem_dir11puts Gem::Specification.find_by_name("rake").gem_dir

fetcher

Using AI Code Generation

1spec = Gem::SourceIndex.from_gems_in('/var/lib/gems/1.8/specs').find_name(gem_name, version).last2spec_file = fetcher.download(spec, '/tmp')3spec = Gem::Format.from_file_by_path(spec_file).spec4  source_path = File.join(spec.full_gem_path, path)5  Dir.glob(File.join(source_path, '**', '*.rb')).each do |file|6    source_file = fetcher.download(file, '/tmp')

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