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Edit File: test_gem_commands_pristine_command.rb

require 'rubygems/test_case'
require 'rubygems/commands/pristine_command'

class TestGemCommandsPristineCommand < Gem::TestCase

def setup
    super
    @cmd = Gem::Commands::PristineCommand.new
  end

def test_execute
    a = quick_spec 'a' do |s| s.executables = %w[foo] end

write_file File.join(@tempdir, 'bin', 'foo') do |fp|
      fp.puts "#!/usr/bin/ruby"
    end

install_gem a

foo_path = File.join @gemhome, 'gems', a.full_name, 'bin', 'foo'

write_file foo_path do |io|
      io.puts 'I changed it!'
    end

@cmd.options[:args] = %w[a]

use_ui @ui do
      @cmd.execute
    end

assert_equal "#!/usr/bin/ruby\n", File.read(foo_path), foo_path

out = @ui.output.split "\n"

assert_equal "Restoring gems to pristine condition...", out.shift
    assert_equal "Restored #{a.full_name}", out.shift
    assert_empty out, out.inspect
  end

def test_execute_all
    a = quick_spec 'a' do |s| s.executables = %w[foo] end
    write_file File.join(@tempdir, 'bin', 'foo') do |fp|
      fp.puts "#!/usr/bin/ruby"
    end

install_gem a

gem_bin = File.join @gemhome, 'gems', a.full_name, 'bin', 'foo'

FileUtils.rm gem_bin

@cmd.handle_options %w[--all]

use_ui @ui do
      @cmd.execute
    end

assert File.exist?(gem_bin)

out = @ui.output.split "\n"

assert_equal "Restoring gems to pristine condition...", out.shift
    assert_equal "Restored #{a.full_name}", out.shift
    assert_empty out, out.inspect
  end

def test_execute_no_exetension
    a = quick_spec 'a' do |s| s.extensions << 'ext/a/extconf.rb' end

ext_path = File.join @tempdir, 'ext', 'a', 'extconf.rb'
    write_file ext_path do |io|
      io.write '# extconf.rb'
    end

util_build_gem a

@cmd.options[:args] = %w[a]
    @cmd.options[:extensions] = false

use_ui @ui do
      @cmd.execute
    end

out = @ui.output.split "\n"

assert_equal 'Restoring gems to pristine condition...', out.shift
    assert_equal "Skipped #{a.full_name}, it needs to compile an extension",
                 out.shift
    assert_empty out, out.inspect
  end

def test_execute_many
    a = quick_spec 'a'
    b = quick_spec 'b'

install_gem a
    install_gem b

@cmd.options[:args] = %w[a b]

use_ui @ui do
      @cmd.execute
    end

out = @ui.output.split "\n"

assert_equal "Restoring gems to pristine condition...", out.shift
    assert_equal "Restored #{a.full_name}", out.shift
    assert_equal "Restored #{b.full_name}", out.shift
    assert_empty out, out.inspect
  end

def test_execute_many_multi_repo
    a = quick_spec 'a'
    install_gem a

Gem.clear_paths
    gemhome2 = File.join @tempdir, 'gemhome2'
    Gem.paths = { "GEM_PATH" => [gemhome2, @gemhome], "GEM_HOME" => gemhome2 }

b = quick_spec 'b'
    install_gem b

@cmd.options[:args] = %w[a b]

use_ui @ui do
      @cmd.execute
    end

out = @ui.output.split "\n"

assert_path_exists File.join(@gemhome, "gems", 'a-2')
    refute_path_exists File.join(gemhome2, "gems", 'a-2')
    assert_path_exists File.join(gemhome2, "gems", 'b-2')
    refute_path_exists File.join(@gemhome, "gems", 'b-2')
  end

def test_execute_missing_cache_gem
    a_2 = quick_spec 'a', 2
    a_3 = quick_spec 'a', 3

install_gem a_2
    install_gem a_3

a_2_data = nil
    open File.join(@gemhome, 'cache', a_2.file_name), 'rb' do |fp|
      a_2_data = fp.read
    end

util_setup_fake_fetcher
    util_setup_spec_fetcher a_2

url = "http://gems.example.com/gems/#{a_2.file_name}"
    Gem::RemoteFetcher.fetcher.data[url] = a_2_data

FileUtils.rm a_2.cache_file

@cmd.options[:args] = %w[a]

use_ui @ui do
      @cmd.execute
    end

out = @ui.output.split "\n"

[
      "Restoring gems to pristine condition...",
      "Restored a-1",
      "Cached gem for a-2 not found, attempting to fetch...",
      "Restored a-2",
      "Restored a-3.a",
      "Restored a-3",
    ].each do |line|
      assert_equal line, out.shift
    end

assert_empty out, out.inspect
  end

def test_execute_no_gem
    @cmd.options[:args] = %w[]

e = assert_raises Gem::CommandLineError do
      use_ui @ui do
        @cmd.execute
      end
    end

assert_match %r|at least one gem name|, e.message
  end

end

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