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	[Bug #6272] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35417 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
		
			
				
	
	
		
			484 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			484 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
require 'test/unit'
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require 'drb/drb'
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require 'drb/eq'
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require 'rinda/tuplespace'
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require 'singleton'
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module Rinda
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class MockClock
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  include Singleton
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  class MyTS < Rinda::TupleSpace
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    def keeper_thread
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      nil
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    end
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  end
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  def initialize
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    @now = 2
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    @reso = 1
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    @ts = MyTS.new
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    @ts.write([2, :now])
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    @inf = 2**31 - 1
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  end
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  def now
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    @now.to_f
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  end
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  def at(n)
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    n
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  end
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  def _forward(n=nil)
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    now ,= @ts.take([nil, :now])
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    @now = now + n
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    n = @reso if n.nil?
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    @ts.write([@now, :now])
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  end
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  def forward(n)
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    while n > 0
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      _forward(@reso)
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      n -= @reso
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      Thread.pass
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    end
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  end
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  def rewind
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    now ,= @ts.take([nil, :now])
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    @ts.write([@inf, :now])
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    @ts.take([nil, :now])
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    @now = 2
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    @ts.write([2, :now])
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  end
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  def sleep(n=nil)
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    now ,= @ts.read([nil, :now])
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    @ts.read([(now + n)..@inf, :now])
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    0
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  end
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end
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module Time
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  def sleep(n)
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    @m.sleep(n)
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  end
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  module_function :sleep
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  def at(n)
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    n
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  end
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  module_function :at
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  def now
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    @m ? @m.now : 2
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  end
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  module_function :now
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  def rewind
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    @m.rewind
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  end
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  module_function :rewind
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  def forward(n)
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    @m.forward(n)
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  end
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  module_function :forward
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  @m = MockClock.instance
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end
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class TupleSpace
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  def sleep(n)
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    Kernel.sleep(n * 0.01)
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  end
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end
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module TupleSpaceTestModule
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  def sleep(n)
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    if Thread.current == Thread.main
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      Time.forward(n)
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    else
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      Time.sleep(n)
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    end
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  end
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  def thread_join(th)
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    while th.alive?
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      Kernel.sleep(0.1)
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      sleep(1)
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    end
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    th.value
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  end
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  def test_00_tuple
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    tuple = Rinda::TupleEntry.new([1,2,3])
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    assert(!tuple.canceled?)
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    assert(!tuple.expired?)
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    assert(tuple.alive?)
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  end
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  def test_00_template
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    tmpl = Rinda::Template.new([1,2,3])
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    assert_equal(3, tmpl.size)
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    assert_equal(3, tmpl[2])
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    assert(tmpl.match([1,2,3]))
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    assert(!tmpl.match([1,nil,3]))
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    tmpl = Rinda::Template.new([/^rinda/i, nil, :hello])
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    assert_equal(3, tmpl.size)
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    assert(tmpl.match(['Rinda', 2, :hello]))
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    assert(!tmpl.match(['Rinda', 2, Symbol]))
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    assert(!tmpl.match([1, 2, :hello]))
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    assert(tmpl.match([/^rinda/i, 2, :hello]))
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    tmpl = Rinda::Template.new([Symbol])
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    assert_equal(1, tmpl.size)
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    assert(tmpl.match([:hello]))
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    assert(tmpl.match([Symbol]))
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    assert(!tmpl.match(['Symbol']))
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    tmpl = Rinda::Template.new({"message"=>String, "name"=>String})
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    assert_equal(2, tmpl.size)
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    assert(tmpl.match({"message"=>"Hello", "name"=>"Foo"}))
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    assert(!tmpl.match({"message"=>"Hello", "name"=>"Foo", "1"=>2}))
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    assert(!tmpl.match({"message"=>"Hi", "name"=>"Foo", "age"=>1}))
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    assert(!tmpl.match({"message"=>"Hello", "no_name"=>"Foo"}))
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    assert_raise(Rinda::InvalidHashTupleKey) do
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      tmpl = Rinda::Template.new({:message=>String, "name"=>String})
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    end
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    tmpl = Rinda::Template.new({"name"=>String})
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    assert_equal(1, tmpl.size)
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    assert(tmpl.match({"name"=>"Foo"}))
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    assert(!tmpl.match({"message"=>"Hello", "name"=>"Foo"}))
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    assert(!tmpl.match({"message"=>:symbol, "name"=>"Foo", "1"=>2}))
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    assert(!tmpl.match({"message"=>"Hi", "name"=>"Foo", "age"=>1}))
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    assert(!tmpl.match({"message"=>"Hello", "no_name"=>"Foo"}))
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    tmpl = Rinda::Template.new({"message"=>String, "name"=>String})
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    assert_equal(2, tmpl.size)
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    assert(tmpl.match({"message"=>"Hello", "name"=>"Foo"}))
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    assert(!tmpl.match({"message"=>"Hello", "name"=>"Foo", "1"=>2}))
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    assert(!tmpl.match({"message"=>"Hi", "name"=>"Foo", "age"=>1}))
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    assert(!tmpl.match({"message"=>"Hello", "no_name"=>"Foo"}))
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    tmpl = Rinda::Template.new({"message"=>String})
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    assert_equal(1, tmpl.size)
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    assert(tmpl.match({"message"=>"Hello"}))
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    assert(!tmpl.match({"message"=>"Hello", "name"=>"Foo"}))
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    assert(!tmpl.match({"message"=>"Hello", "name"=>"Foo", "1"=>2}))
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    assert(!tmpl.match({"message"=>"Hi", "name"=>"Foo", "age"=>1}))
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    assert(!tmpl.match({"message"=>"Hello", "no_name"=>"Foo"}))
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    tmpl = Rinda::Template.new({"message"=>String, "name"=>nil})
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    assert_equal(2, tmpl.size)
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    assert(tmpl.match({"message"=>"Hello", "name"=>"Foo"}))
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    assert(!tmpl.match({"message"=>"Hello", "name"=>"Foo", "1"=>2}))
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    assert(!tmpl.match({"message"=>"Hi", "name"=>"Foo", "age"=>1}))
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    assert(!tmpl.match({"message"=>"Hello", "no_name"=>"Foo"}))
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    assert_raise(Rinda::InvalidHashTupleKey) do
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      @ts.write({:message=>String, "name"=>String})
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    end
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    @ts.write([1, 2, 3])
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    assert_equal([1, 2, 3], @ts.take([1, 2, 3]))
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    @ts.write({'1'=>1, '2'=>2, '3'=>3})
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    assert_equal({'1'=>1, '2'=>2, '3'=>3}, @ts.take({'1'=>1, '2'=>2, '3'=>3}))
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    entry = @ts.write(['1'=>1, '2'=>2, '3'=>3])
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    assert_raise(Rinda::RequestExpiredError) do
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      assert_equal({'1'=>1, '2'=>2, '3'=>3}, @ts.read({'1'=>1}, 0))
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    end
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    entry.cancel
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  end
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  def test_00_DRbObject
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    ro = DRbObject.new(nil, "druby://host:1234")
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    tmpl = Rinda::DRbObjectTemplate.new
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    assert(tmpl === ro)
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    tmpl = Rinda::DRbObjectTemplate.new("druby://host:1234")
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    assert(tmpl === ro)
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    tmpl = Rinda::DRbObjectTemplate.new("druby://host:12345")
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    assert(!(tmpl === ro))
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    tmpl = Rinda::DRbObjectTemplate.new(/^druby:\/\/host:/)
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    assert(tmpl === ro)
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    ro = DRbObject.new_with(12345, 1234)
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    assert(!(tmpl === ro))
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    ro = DRbObject.new_with("druby://foo:12345", 1234)
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    assert(!(tmpl === ro))
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    tmpl = Rinda::DRbObjectTemplate.new(/^druby:\/\/(foo|bar):/)
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    assert(tmpl === ro)
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    ro = DRbObject.new_with("druby://bar:12345", 1234)
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    assert(tmpl === ro)
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    ro = DRbObject.new_with("druby://baz:12345", 1234)
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    assert(!(tmpl === ro))
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  end
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  def test_inp_rdp
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    assert_raise(Rinda::RequestExpiredError) do
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      @ts.take([:empty], 0)
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    end
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    assert_raise(Rinda::RequestExpiredError) do
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      @ts.read([:empty], 0)
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    end
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  end
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  def test_ruby_talk_264062
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    th = Thread.new { @ts.take([:empty], 1) }
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    sleep(10)
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    assert_raise(Rinda::RequestExpiredError) do
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      thread_join(th)
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    end
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    th = Thread.new { @ts.read([:empty], 1) }
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    sleep(10)
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    assert_raise(Rinda::RequestExpiredError) do
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      thread_join(th)
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    end
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  end
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  def test_symbol_tuple
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    @ts.write([:symbol, :symbol])
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    @ts.write(['string', :string])
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    assert_equal([[:symbol, :symbol]], @ts.read_all([:symbol, nil]))
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    assert_equal([[:symbol, :symbol]], @ts.read_all([Symbol, nil]))
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    assert_equal([], @ts.read_all([:nil, nil]))
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  end
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  def test_core_01
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    5.times do |n|
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      @ts.write([:req, 2])
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    end
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    assert_equal([[:req, 2], [:req, 2], [:req, 2], [:req, 2], [:req, 2]],
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		 @ts.read_all([nil, nil]))
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    taker = Thread.new(5) do |count|
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      s = 0
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      count.times do
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        tuple = @ts.take([:req, Integer])
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        assert_equal(2, tuple[1])
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        s += tuple[1]
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      end
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      @ts.write([:ans, s])
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      s
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    end
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    assert_equal(10, thread_join(taker))
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    assert_equal([:ans, 10], @ts.take([:ans, 10]))
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    assert_equal([], @ts.read_all([nil, nil]))
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  end
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  def test_core_02
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    taker = Thread.new(5) do |count|
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      s = 0
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      count.times do
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        tuple = @ts.take([:req, Integer])
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        assert_equal(2, tuple[1])
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        s += tuple[1]
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      end
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      @ts.write([:ans, s])
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      s
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    end
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    5.times do |n|
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      @ts.write([:req, 2])
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    end
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    assert_equal(10, thread_join(taker))
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    assert_equal([:ans, 10], @ts.take([:ans, 10]))
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    assert_equal([], @ts.read_all([nil, nil]))
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  end
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  def test_core_03_notify
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    notify1 = @ts.notify(nil, [:req, Integer])
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    notify2 = @ts.notify(nil, {"message"=>String, "name"=>String})
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    5.times do |n|
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      @ts.write([:req, 2])
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    end
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    5.times do
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      tuple = @ts.take([:req, Integer])
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      assert_equal(2, tuple[1])
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    end
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    5.times do
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      assert_equal(['write', [:req, 2]], notify1.pop)
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    end
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    5.times do
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      assert_equal(['take', [:req, 2]], notify1.pop)
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    end
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    @ts.write({"message"=>"first", "name"=>"3"})
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    @ts.write({"message"=>"second", "name"=>"1"})
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    @ts.write({"message"=>"third", "name"=>"0"})
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    @ts.take({"message"=>"third", "name"=>"0"})
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    @ts.take({"message"=>"first", "name"=>"3"})
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    assert_equal(["write", {"message"=>"first", "name"=>"3"}], notify2.pop)
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    assert_equal(["write", {"message"=>"second", "name"=>"1"}], notify2.pop)
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    assert_equal(["write", {"message"=>"third", "name"=>"0"}], notify2.pop)
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    assert_equal(["take", {"message"=>"third", "name"=>"0"}], notify2.pop)
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    assert_equal(["take", {"message"=>"first", "name"=>"3"}], notify2.pop)
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  end
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  def test_cancel_01
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    entry = @ts.write([:removeme, 1])
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    assert_equal([[:removeme, 1]], @ts.read_all([nil, nil]))
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    entry.cancel
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    assert_equal([], @ts.read_all([nil, nil]))
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    template = nil
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    taker = Thread.new do
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      @ts.take([:take, nil], 10) do |t|
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        template = t
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	Thread.new do
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	  template.cancel
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	end
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      end
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    end
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    sleep(2)
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    assert_raise(Rinda::RequestCanceledError) do
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      assert_nil(thread_join(taker))
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    end
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    assert(template.canceled?)
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    @ts.write([:take, 1])
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    assert_equal([[:take, 1]], @ts.read_all([nil, nil]))
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  end
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  def test_cancel_02
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    entry = @ts.write([:removeme, 1])
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    assert_equal([[:removeme, 1]], @ts.read_all([nil, nil]))
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    entry.cancel
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    assert_equal([], @ts.read_all([nil, nil]))
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    template = nil
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    reader = Thread.new do
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      @ts.read([:take, nil], 10) do |t|
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        template = t
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	Thread.new do
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	  template.cancel
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	end
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      end
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    end
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    sleep(2)
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    assert_raise(Rinda::RequestCanceledError) do
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      assert_nil(thread_join(reader))
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    end
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    assert(template.canceled?)
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    @ts.write([:take, 1])
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    assert_equal([[:take, 1]], @ts.read_all([nil, nil]))
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  end
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  class SimpleRenewer
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    def initialize(sec, n = 1)
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      @sec = sec
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      @n = n
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    end
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    def renew
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      return -1 if @n <= 0
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      @n -= 1
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      return @sec
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    end
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  end
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  def test_00_renewer
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    tuple = Rinda::TupleEntry.new([1,2,3], true)
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    assert(!tuple.canceled?)
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    assert(tuple.expired?)
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    assert(!tuple.alive?)
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    tuple = Rinda::TupleEntry.new([1,2,3], 1)
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    assert(!tuple.canceled?)
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    assert(!tuple.expired?)
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    assert(tuple.alive?)
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    sleep(2)
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    assert(tuple.expired?)
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    assert(!tuple.alive?)
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    @renewer = SimpleRenewer.new(1,2)
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    tuple = Rinda::TupleEntry.new([1,2,3], @renewer)
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    assert(!tuple.canceled?)
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    assert(!tuple.expired?)
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    assert(tuple.alive?)
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    sleep(1)
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    assert(!tuple.canceled?)
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    assert(!tuple.expired?)
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    assert(tuple.alive?)
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    sleep(2)
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    assert(tuple.expired?)
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    assert(!tuple.alive?)
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  end
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end
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class TupleSpaceTest < Test::Unit::TestCase
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  include TupleSpaceTestModule
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  def setup
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    ThreadGroup.new.add(Thread.current)
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    @ts = Rinda::TupleSpace.new(1)
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  end
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  def teardown
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    # implementation-dependent
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    @ts.instance_eval{@keeper.kill if @keeper}
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  end
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end
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class TupleSpaceProxyTest < Test::Unit::TestCase
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  include TupleSpaceTestModule
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  def setup
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    ThreadGroup.new.add(Thread.current)
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    @ts_base = Rinda::TupleSpace.new(1)
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    @ts = Rinda::TupleSpaceProxy.new(@ts_base)
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  end
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  def teardown
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    # implementation-dependent
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    @ts_base.instance_eval{@keeper.kill if @keeper}
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  end
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  def test_remote_array_and_hash
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    # Don't remove ary/hsh local variables.
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    # These are necessary to protect objects from GC.
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    ary = [1, 2, 3]
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    @ts.write(DRbObject.new(ary))
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    assert_equal([1, 2, 3], @ts.take([1, 2, 3], 0))
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    hsh = {'head' => 1, 'tail' => 2}
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    @ts.write(DRbObject.new(hsh))
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    assert_equal({'head' => 1, 'tail' => 2},
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                 @ts.take({'head' => 1, 'tail' => 2}, 0))
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  end
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  @server = DRb.primary_server || DRb.start_service
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end
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end
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