Class: TestRollback

Inherits:
Test::Unit::TestCase
  • Object
show all
Includes:
XamplAdHoc
Defined in:
lib/xamplr/test-support/test-rollback.rb,
lib/xamplr/test-support/test-deep-change.rb

Instance Method Summary collapse

Instance Method Details

#test_change ⇒ Object 



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# File 'lib/xamplr/test-support/test-deep-change.rb', line 28

def test_change
  pname = "test_change"
  Xampl.transaction(pname, :in_memory){
    sack1 = Sack.new
    sack1.pid = "sack1"

    sack2 = sack1.new_sack("sack2"){ | sack |
      sack.new_bag{ | bag |
        bag.new_thing{ | thing |
          thing.info = "thing in sack2"
        }
      }
    }
  }

  #assert_equal(0, Xampl.count_changed)

  Xampl.transaction(pname){
    sack2 = Sack["sack2"]
    sack2.bag[0].thing[0].info = "changed value"
  }

  #assert_equal(0, Xampl.count_changed)
  Xampl.transaction(pname){
    Xampl.rollback
  }

  Xampl.transaction(pname){
    sack1 = Sack["sack1"]
    assert_equal("changed value", sack1.sack[0].bag[0].thing[0].info)
  }

end

#test_change_in_fs ⇒ Object 



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# File 'lib/xamplr/test-support/test-deep-change.rb', line 62

def test_change_in_fs
  pname = "test_deep_change_in_fs" << Time.now.strftime("%Y%m%d-%H%M-%S") << rand.to_s
  Xampl.transaction(pname, :filesystem){
    sack1 = Sack.new
    sack1.pid = "sack1"

    sack2 = sack1.new_sack("sack2"){ | sack |
      sack.new_bag{ | bag |
        bag.new_thing{ | thing |
          thing.info = "thing in sack2"
        }
      }
    }
  }

  #assert_equal(0, Xampl.count_changed)

  Xampl.transaction(pname){
    sack2 = Sack["sack2"]
    sack2.bag[0].thing[0].info = "changed value"

    assert_equal(1, Xampl.count_changed)
    Xampl.persister.put_changed
  }

  #assert_equal(0, Xampl.count_changed)

  Xampl.transaction(pname){
    Xampl.rollback
  }

  Xampl.transaction(pname){
    sack1 = Sack["sack1"]
    assert_equal("changed value", sack1.sack[0].bag[0].thing[0].info)
  }

end

#test_change_out_of_persister ⇒ Object 



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# File 'lib/xamplr/test-support/test-deep-change.rb', line 100

def test_change_out_of_persister
  pname = "test_change_out_of_persister"

  sack2 = nil

  Xampl.transaction(pname, :in_memory){
    sack1 = Sack.new
    sack1.pid = "sack1"

    sack2 = sack1.new_sack("sack2"){ | sack |
      sack.new_bag{ | bag |
        bag.new_thing{ | thing |
          thing.info = "thing in sack2"
        }
      }
    }
  }

  assert_raise(UnmanagedChange){
    sack2.bag[0].thing[0].info = "this is a very bad idea"
  }
  puts sack2.pp_xml

  Xampl.transaction(pname){
    Xampl.rollback
  }

  sack2a = nil
  Xampl.transaction(pname){
    sack2a = Sack["sack2"]
    sack2a.bag[0].new_thing.info = "change the sack"
  }
  puts sack2a.pp_xml
end

#test_rollback ⇒ Object 



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# File 'lib/xamplr/test-support/test-rollback.rb', line 28

def test_rollback
  #sack1 = sack2 = nil

  Xampl.transaction("step7-persister", :in_memory){
    sack1 = Sack.new
    sack1.pid = "sack1"

    sack2 = sack1.new_sack("sack2"){ | sack |
      sack.new_bag{ | bag |
        bag.new_thing{ | thing |
          thing.info = "thing in sack2"
        }
      }
    }
  }

  #assert_equal(0, Xampl.count_changed)
  begin
    Xampl.transaction("step7-persister"){
      sack2 = Sack["sack2"]

      assert_equal(0, Xampl.count_changed)

      sack2.bag[0].thing[0].info = "this is a mistake"

      assert_equal(1, Xampl.count_changed)

      raise
    }
  rescue Exception
  end

  #assert_equal(0, Xampl.count_changed)

  Xampl.transaction("step7-persister"){
    sack1 = Sack["sack1"]
    assert_equal("thing in sack2", sack1.sack[0].bag[0].thing[0].info)
  }

end

#test_rollback_in_fs ⇒ Object 



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# File 'lib/xamplr/test-support/test-rollback.rb', line 69

def test_rollback_in_fs
  #sack1 = sack2 = nil

  pname = "test_rollback_in_fs" << Time.now.strftime("%Y%m%d-%H%M-%S") << rand.to_s
  Xampl.transaction(pname, :filesystem){
    sack1 = Sack.new
    sack1.pid = "sack1"

    sack2 = sack1.new_sack("sack2"){ | sack |
      sack.new_bag{ | bag |
        bag.new_thing{ | thing |
          thing.info = "thing in sack2"
        }
      }
    }
  }

  #assert_equal(0, Xampl.count_changed)
  begin
    Xampl.transaction(pname, :filesystem){
      sack2 = Sack["sack2"]

      sack2.bag[0].thing[0].info = "this is a mistake"

      raise
    }
  rescue Exception
  end

  #assert_equal(0, Xampl.count_changed)

  Xampl.transaction(pname, :filesystem){
    sack1 = Sack["sack1"]
    assert_equal("thing in sack2", sack1.sack[0].bag[0].thing[0].info)
  }

end