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# frozen_string_literal: true

require_relative "helper"
require "rubygems/ext"

class TestGemExtConfigureBuilder < Gem::TestCase
  def setup
    super

    @makefile_body =
      "clean:\n\t@echo ok\nall:\n\t@echo ok\ninstall:\n\t@echo ok"

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

    FileUtils.mkdir_p @ext
    FileUtils.mkdir_p @dest_path
  end

  def test_self_build
    pend("test_self_build skipped on MS Windows (VC++)") if vc_windows?

    File.open File.join(@ext, "./configure"), "w" do |configure|
      configure.puts "#!/bin/sh\necho \"#{@makefile_body}\" > Makefile"
    end

    output = []

    Gem::Ext::ConfigureBuilder.build nil, @dest_path, output, [], nil, @ext

    assert_match(/^current directory:/, output.shift)
    assert_equal "sh ./configure --prefix\\=#{@dest_path}", output.shift
    assert_equal "", output.shift
    assert_match(/^current directory:/, output.shift)
    assert_contains_make_command "clean", output.shift
    assert_match(/^ok$/m, output.shift)
    assert_match(/^current directory:/, output.shift)
    assert_contains_make_command "", output.shift
    assert_match(/^ok$/m, output.shift)
    assert_match(/^current directory:/, output.shift)
    assert_contains_make_command "install", output.shift
    assert_match(/^ok$/m, output.shift)
  end

  def test_self_build_fail
    pend("test_self_build_fail skipped on MS Windows (VC++)") if vc_windows?
    output = []

    error = assert_raise Gem::InstallError do
      Gem::Ext::ConfigureBuilder.build nil, @dest_path, output, [], nil, @ext
    end

    shell_error_msg = %r{(\./configure: .*)|((?:[Cc]an't|cannot) open '?\./configure'?(?:: No such file or directory)?)}
    sh_prefix_configure = "sh ./configure --prefix\\="

    assert_match "configure failed", error.message

    assert_match(/^current directory:/, output.shift)
    assert_equal "#{sh_prefix_configure}#{@dest_path}", output.shift
    assert_match(/#{shell_error_msg}/, output.shift)
    assert_equal true, output.empty?
  end

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

    File.open File.join(@ext, "Makefile"), "w" do |makefile|
      makefile.puts @makefile_body
    end

    output = []
    Gem::Ext::ConfigureBuilder.build nil, @dest_path, output, [], nil, @ext

    assert_contains_make_command "clean", output[1]
    assert_contains_make_command "", output[4]
    assert_contains_make_command "install", output[7]
  end
end