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Edit File: test_gem_ext_ext_conf_builder.rb

require 'rubygems/test_case'
require 'rubygems/ext'

class TestGemExtExtConfBuilder < Gem::TestCase

def setup
    super

@ext = File.join @tempdir, 'ext'
    @dest_path = File.join @tempdir, 'prefix'

FileUtils.mkdir_p @ext
    FileUtils.mkdir_p @dest_path
  end

def test_class_build
    if vc_windows? && !nmake_found?
      skip("test_class_build skipped - nmake not found")
    end

File.open File.join(@ext, 'extconf.rb'), 'w' do |extconf|
      extconf.puts "require 'mkmf'\ncreate_makefile 'foo'"
    end

output = []

Dir.chdir @ext do
      Gem::Ext::ExtConfBuilder.build 'extconf.rb', nil, @dest_path, output
    end

assert_match(/^#{Gem.ruby} extconf.rb/, output[0])
    assert_equal "creating Makefile\n", output[1]
    case RUBY_PLATFORM
    when /mswin/ then
      assert_equal "nmake", output[2]
      assert_equal "nmake install", output[4]
    else
      assert_equal "make", output[2]
      assert_equal "make install", output[4]
    end
  end

def test_class_build_rbconfig_make_prog
    configure_args = RbConfig::CONFIG['configure_args']

File.open File.join(@ext, 'extconf.rb'), 'w' do |extconf|
      extconf.puts "require 'mkmf'\ncreate_makefile 'foo'"
    end

output = []

Dir.chdir @ext do
      Gem::Ext::ExtConfBuilder.build 'extconf.rb', nil, @dest_path, output
    end

assert_equal "creating Makefile\n", output[1]
    assert_equal make_command, output[2]
    assert_equal "#{make_command} install", output[4]
  ensure
    RbConfig::CONFIG['configure_args'] = configure_args
  end

def test_class_build_env_make
    configure_args, env_make = RbConfig::CONFIG['configure_args'], ENV.delete('make')
    RbConfig::CONFIG['configure_args'] = ''
    ENV['make'] = 'anothermake'

File.open File.join(@ext, 'extconf.rb'), 'w' do |extconf|
      extconf.puts "require 'mkmf'\ncreate_makefile 'foo'"
    end

output = []

assert_raises Gem::InstallError do
      Dir.chdir @ext do
        Gem::Ext::ExtConfBuilder.build 'extconf.rb', nil, @dest_path, output
      end
    end

assert_equal "creating Makefile\n", output[1]
    assert_equal "anothermake", output[2]
  ensure
    RbConfig::CONFIG['configure_args'] = configure_args
    ENV['make'] = env_make
  end

def test_class_build_extconf_fail
    if vc_windows? && !nmake_found?
      skip("test_class_build_extconf_fail skipped - nmake not found")
    end

File.open File.join(@ext, 'extconf.rb'), 'w' do |extconf|
      extconf.puts "require 'mkmf'"
      extconf.puts "have_library 'nonexistent' or abort 'need libnonexistent'"
      extconf.puts "create_makefile 'foo'"
    end

output = []

error = assert_raises Gem::InstallError do
      Dir.chdir @ext do
        Gem::Ext::ExtConfBuilder.build 'extconf.rb', nil, @dest_path, output
      end
    end

assert_match(/\Aextconf failed:

#{Gem.ruby} extconf.rb.*
checking for main in .*?nonexistent/m, error.message)

assert_match(/^#{Gem.ruby} extconf.rb/, output[0])
  end

def test_class_make
    if vc_windows? && !nmake_found?
      skip("test_class_make skipped - nmake not found")
    end

output = []
    makefile_path = File.join(@ext, 'Makefile')
    File.open makefile_path, 'w' do |makefile|
      makefile.puts "RUBYARCHDIR = $(foo)$(target_prefix)"
      makefile.puts "RUBYLIBDIR = $(bar)$(target_prefix)"
      makefile.puts "all:"
      makefile.puts "install:"
    end

Dir.chdir @ext do
      Gem::Ext::ExtConfBuilder.make @ext, output
    end

assert_equal make_command, output[0]
    assert_equal "#{make_command} install", output[2]

edited_makefile = <<-EOF
RUBYARCHDIR = #{@ext}$(target_prefix)
RUBYLIBDIR = #{@ext}$(target_prefix)
all:
install:
    EOF

assert_equal edited_makefile, File.read(makefile_path)
  end

def test_class_make_no_Makefile
    error = assert_raises Gem::InstallError do
      Dir.chdir @ext do
        Gem::Ext::ExtConfBuilder.make @ext, ['output']
      end
    end

expected = <<-EOF.strip
Makefile not found:

output
    EOF

assert_equal expected, error.message
  end

end

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