brew/Library/Homebrew/test/test_os_mac_dependency_collector.rb

require "testing_env"
require "dependency_collector"

class OSMacDependencyCollectorTests < Homebrew::TestCase
  def find_dependency(name)
    @d.deps.find { |dep| dep.name == name }
  end

  def setup
    @d = DependencyCollector.new
  end

  def teardown
    DependencyCollector.clear_cache
  end

  def test_tar_needs_xz_dependency
    MacOS.stubs(:version).returns(MacOS::Version.new("10.9"))
    refute DependencyCollector.tar_needs_xz_dependency?
  end

  def test_ld64_dep_pre_leopard
    MacOS.stubs(:version).returns(MacOS::Version.new("10.4"))
    assert_equal LD64Dependency.new, @d.build(:ld64)
  end

  def test_ld64_dep_leopard_or_newer
    MacOS.stubs(:version).returns(MacOS::Version.new("10.5"))
    assert_nil @d.build(:ld64)
  end

  def test_ant_dep_mavericks_or_newer
    MacOS.stubs(:version).returns(MacOS::Version.new("10.9"))
    @d.add ant: :build
    assert_equal find_dependency("ant"), Dependency.new("ant", [:build])
  end

  def test_ant_dep_pre_mavericks
    MacOS.stubs(:version).returns(MacOS::Version.new("10.7"))
    @d.add ant: :build
    assert_nil find_dependency("ant")
  end

  def test_resource_dep_xz_pre_mavericks
    MacOS.stubs(:version).returns(MacOS::Version.new("10.8"))
    resource = Resource.new
    resource.url("http://example.com/foo.tar.xz")
    assert_equal Dependency.new("xz", [:build]), @d.add(resource)
  end

  def test_resource_dep_xz_mavericks_or_newer
    MacOS.stubs(:version).returns(MacOS::Version.new("10.9"))
    resource = Resource.new
    resource.url("http://example.com/foo.tar.xz")
    assert_nil @d.add(resource)
  end
end