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Edit File: test_gem_commands_sources_command.rb

require 'rubygems/test_case'
require 'rubygems/commands/sources_command'

class TestGemCommandsSourcesCommand < Gem::TestCase

def setup
    super

@cmd = Gem::Commands::SourcesCommand.new

@new_repo = "http://beta-gems.example.com"
  end

def test_initialize_proxy
    assert @cmd.handles?(['--http-proxy', 'http://proxy.example.com'])
  end

def test_execute
    util_setup_spec_fetcher
    @cmd.handle_options []

use_ui @ui do
      @cmd.execute
    end

expected = <<-EOF
*** CURRENT SOURCES ***

#{@gem_repo}
    EOF

assert_equal expected, @ui.output
    assert_equal '', @ui.error
  end

def test_execute_add
    util_setup_fake_fetcher

install_specs @a1

specs = Gem::Specification.map { |spec|
      [spec.name, spec.version, spec.original_platform]
    }

specs_dump_gz = StringIO.new
    Zlib::GzipWriter.wrap specs_dump_gz do |io|
      Marshal.dump specs, io
    end

@fetcher.data["#{@new_repo}/specs.#{@marshal_version}.gz"] =
      specs_dump_gz.string

@cmd.handle_options %W[--add #{@new_repo}]

util_setup_spec_fetcher

use_ui @ui do
      @cmd.execute
    end

assert_equal [@gem_repo, @new_repo], Gem.sources

expected = <<-EOF
#{@new_repo} added to sources
    EOF

assert_equal expected, @ui.output
    assert_equal '', @ui.error
  end

def test_execute_add_nonexistent_source
    util_setup_fake_fetcher

uri = "http://beta-gems.example.com/specs.#{@marshal_version}.gz"
    @fetcher.data[uri] = proc do
      raise Gem::RemoteFetcher::FetchError.new('it died', uri)
    end

Gem::RemoteFetcher.fetcher = @fetcher

@cmd.handle_options %w[--add http://beta-gems.example.com]

util_setup_spec_fetcher

use_ui @ui do
      assert_raises Gem::MockGemUi::TermError do
        @cmd.execute
      end
    end

expected = <<-EOF
Error fetching http://beta-gems.example.com:
\tit died (#{uri})
    EOF

assert_equal expected, @ui.output
    assert_equal '', @ui.error
  end

def test_execute_add_bad_uri
    @cmd.handle_options %w[--add beta-gems.example.com]

util_setup_spec_fetcher

use_ui @ui do
      assert_raises Gem::MockGemUi::TermError do
        @cmd.execute
      end
    end

assert_equal [@gem_repo], Gem.sources

expected = <<-EOF
beta-gems.example.com is not a URI
    EOF

assert_equal expected, @ui.output
    assert_equal '', @ui.error
  end

def test_execute_clear_all
    @cmd.handle_options %w[--clear-all]

util_setup_spec_fetcher

fetcher = Gem::SpecFetcher.fetcher

# HACK figure out how to force directory creation via fetcher
    #assert File.directory?(fetcher.dir), 'cache dir exists'

use_ui @ui do
      @cmd.execute
    end

expected = <<-EOF
*** Removed specs cache ***
    EOF

assert_equal expected, @ui.output
    assert_equal '', @ui.error

refute File.exist?(fetcher.dir), 'cache dir removed'
  end

def test_execute_remove
    @cmd.handle_options %W[--remove #{@gem_repo}]

util_setup_spec_fetcher

use_ui @ui do
      @cmd.execute
    end

expected = "#{@gem_repo} removed from sources\n"

assert_equal expected, @ui.output
    assert_equal '', @ui.error
  end

def test_execute_remove_no_network
    @cmd.handle_options %W[--remove #{@gem_repo}]

util_setup_fake_fetcher

@fetcher.data["#{@gem_repo}Marshal.#{Gem.marshal_version}"] = proc do
      raise Gem::RemoteFetcher::FetchError
    end

use_ui @ui do
      @cmd.execute
    end

expected = "#{@gem_repo} removed from sources\n"

assert_equal expected, @ui.output
    assert_equal '', @ui.error
  end

def test_execute_update
    @cmd.handle_options %w[--update]

util_setup_fake_fetcher
    util_setup_spec_fetcher @a1

specs = Gem::Specification.map { |spec|
      [spec.name, spec.version, spec.original_platform]
    }

@fetcher.data["#{@gem_repo}specs.#{Gem.marshal_version}.gz"] =
      util_gzip Marshal.dump(specs)

latest_specs = Gem::Specification.latest_specs.map { |spec|
      [spec.name, spec.version, spec.original_platform]
    }

@fetcher.data["#{@gem_repo}latest_specs.#{Gem.marshal_version}.gz"] =
      util_gzip Marshal.dump(latest_specs)

use_ui @ui do
      @cmd.execute
    end

assert_equal "source cache successfully updated\n", @ui.output
    assert_equal '', @ui.error
  end

end

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