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path: root/test/rubygems/test_gem_source_specific_file.rb
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# frozen_string_literal: true
require 'rubygems/test_case'
require 'rubygems/source'

class TestGemSourceSpecificFile < Gem::TestCase
  def setup
    super

    @a, @a_gem = util_gem "a", '1'
    @sf = Gem::Source::SpecificFile.new(@a_gem)
  end

  def test_path
    assert_equal @a_gem, @sf.path
  end

  def test_spec
    assert_equal @a, @sf.spec
  end

  def test_load_specs
    assert_equal [@a.name_tuple], @sf.load_specs
  end

  def test_fetch_spec
    assert_equal @a, @sf.fetch_spec(@a.name_tuple)
  end

  def test_fetch_spec_fails_on_unknown_name
    assert_raises Gem::Exception do
      @sf.fetch_spec(nil)
    end
  end

  def test_download
    assert_equal @a_gem, @sf.download(@a)
  end

  def test_spaceship
    a1 = quick_gem 'a', '1'
    util_build_gem a1

    remote    = Gem::Source.new @gem_repo
    specific  = Gem::Source::SpecificFile.new a1.cache_file
    installed = Gem::Source::Installed.new
    local     = Gem::Source::Local.new

    assert_equal( 0, specific. <=>(specific),  'specific  <=> specific')

    assert_equal(-1, remote.   <=>(specific),  'remote    <=> specific')
    assert_equal( 1, specific. <=>(remote),    'specific  <=> remote')

    assert_equal(-1, specific. <=>(local),     'specific  <=> local')
    assert_equal( 1, local.    <=>(specific),  'local     <=> specific')

    assert_equal(-1, specific. <=>(installed), 'specific  <=> installed')
    assert_equal( 1, installed.<=>(specific),  'installed <=> specific')

    a2 = quick_gem 'a', '2'
    util_build_gem a2

    b1 = quick_gem 'b', '1'
    util_build_gem b1

    a1_source = specific
    a2_source = Gem::Source::SpecificFile.new a2.cache_file
    b1_source = Gem::Source::SpecificFile.new b1.cache_file

    assert_nil       a1_source.<=>(b1_source), 'a1_source <=> b1_source'

    assert_equal(-1, a1_source.<=>(a2_source), 'a1_source <=> a2_source')
    assert_equal( 0, a1_source.<=>(a1_source), 'a1_source <=> a1_source')
    assert_equal( 1, a2_source.<=>(a1_source), 'a2_source <=> a1_source')
  end

end