示例#1
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    def testUpdateGenerationStrategy(self):
        generation_strategy = get_generation_strategy()
        save_generation_strategy(generation_strategy=generation_strategy)

        experiment = get_branin_experiment()
        generation_strategy = get_generation_strategy()
        save_experiment(experiment)

        # add generator run, save, reload
        experiment.new_trial(generator_run=generation_strategy.gen(experiment))
        save_generation_strategy(generation_strategy=generation_strategy)
        loaded_generation_strategy = load_generation_strategy_by_experiment_name(
            experiment_name=experiment.name
        )
        # `_seen_trial_indices_by_status` attribute of a GS is not saved in DB,
        # so it will be None in the restored version of the GS.
        # Hackily removing it from the original GS to check equality.
        generation_strategy._seen_trial_indices_by_status = None
        self.assertEqual(generation_strategy, loaded_generation_strategy)

        # add another generator run, save, reload
        experiment.new_trial(
            generator_run=generation_strategy.gen(experiment, data=get_branin_data())
        )
        save_generation_strategy(generation_strategy=generation_strategy)
        save_experiment(experiment)
        loaded_generation_strategy = load_generation_strategy_by_experiment_name(
            experiment_name=experiment.name
        )
        # `_seen_trial_indices_by_status` attribute of a GS is not saved in DB,
        # so it will be None in the restored version of the GS.
        # Hackily removing it from the original GS to check equality.
        generation_strategy._seen_trial_indices_by_status = None
        self.assertEqual(generation_strategy, loaded_generation_strategy)

        # make sure that we can update the experiment too
        experiment.description = "foobar"
        save_experiment(experiment)
        loaded_generation_strategy = load_generation_strategy_by_experiment_name(
            experiment_name=experiment.name
        )
        self.assertEqual(generation_strategy, loaded_generation_strategy)
        self.assertEqual(
            generation_strategy._experiment.description, experiment.description
        )
        self.assertEqual(
            generation_strategy._experiment.description,
            loaded_generation_strategy._experiment.description,
        )
示例#2
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    def testUpdateGenerationStrategy(self):
        generation_strategy = get_generation_strategy()
        save_generation_strategy(generation_strategy=generation_strategy)

        # Add data, save, reload
        generation_strategy._data = Data(
            df=pd.DataFrame.from_records([{
                "metric_name": "foo",
                "mean": 1,
                "arm_name": "bar"
            }]))
        save_generation_strategy(generation_strategy=generation_strategy)
        loaded_generation_strategy = load_generation_strategy_by_id(
            gs_id=generation_strategy._db_id)
        self.assertEqual(generation_strategy, loaded_generation_strategy)

        experiment = get_branin_experiment()
        generation_strategy = get_generation_strategy()
        save_experiment(experiment)

        # add generator run, save, reload
        experiment.new_trial(generator_run=generation_strategy.gen(experiment))
        save_generation_strategy(generation_strategy=generation_strategy)
        loaded_generation_strategy = load_generation_strategy_by_experiment_name(
            experiment_name=experiment.name)
        self.assertEqual(generation_strategy, loaded_generation_strategy)

        # add another generator run, save, reload
        experiment.new_trial(generator_run=generation_strategy.gen(
            experiment, new_data=get_branin_data()))
        save_generation_strategy(generation_strategy=generation_strategy)
        save_experiment(experiment)
        loaded_generation_strategy = load_generation_strategy_by_experiment_name(
            experiment_name=experiment.name)
        self.assertEqual(generation_strategy, loaded_generation_strategy)

        # make sure that we can update the experiment too
        experiment.description = "foobar"
        save_experiment(experiment)
        loaded_generation_strategy = load_generation_strategy_by_experiment_name(
            experiment_name=experiment.name)
        self.assertEqual(generation_strategy, loaded_generation_strategy)
        self.assertEqual(generation_strategy._experiment.description,
                         experiment.description)
        self.assertEqual(
            generation_strategy._experiment.description,
            loaded_generation_strategy._experiment.description,
        )
示例#3
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    def testUpdateGenerationStrategyIncrementally(self):
        experiment = get_branin_experiment()
        generation_strategy = choose_generation_strategy(
            experiment.search_space)
        save_experiment(experiment=experiment)
        save_generation_strategy(generation_strategy=generation_strategy)

        # add generator runs, save, reload
        generator_runs = []
        for i in range(7):
            data = get_branin_data() if i > 0 else None
            gr = generation_strategy.gen(experiment, data=data)
            generator_runs.append(gr)
            trial = experiment.new_trial(generator_run=gr).mark_running(
                no_runner_required=True)
            trial.mark_completed()

        save_experiment(experiment=experiment)
        update_generation_strategy(generation_strategy=generation_strategy,
                                   generator_runs=generator_runs)
        loaded_generation_strategy = load_generation_strategy_by_experiment_name(
            experiment_name=experiment.name)

        self.assertEqual(generation_strategy._curr.index,
                         loaded_generation_strategy._curr.index, 1)
        self.assertEqual(len(loaded_generation_strategy._generator_runs), 7)
示例#4
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    def testEncodeDecodeGenerationStrategy(self):
        # Cannot load generation strategy before it has been saved
        with self.assertRaises(ValueError):
            load_generation_strategy_by_id(gs_id=0)

        # Check that we can encode and decode the generation strategy *before*
        # it has generated some trials and been updated with some data.
        generation_strategy = get_generation_strategy()
        # Check that we can save a generation strategy without an experiment
        # attached.
        save_generation_strategy(generation_strategy=generation_strategy)
        # Also try restoring this generation strategy by its ID in the DB.
        new_generation_strategy = load_generation_strategy_by_id(
            gs_id=generation_strategy._db_id
        )
        self.assertEqual(generation_strategy, new_generation_strategy)
        self.assertIsNone(generation_strategy._experiment)

        # Cannot load generation strategy before it has been saved
        experiment = get_branin_experiment()
        save_experiment(experiment)
        with self.assertRaises(ValueError):
            load_generation_strategy_by_experiment_name(experiment_name=experiment.name)

        # Check that we can encode and decode the generation strategy *after*
        # it has generated some trials and been updated with some data.
        generation_strategy = new_generation_strategy
        experiment.new_trial(generation_strategy.gen(experiment=experiment))
        experiment.new_trial(
            generation_strategy.gen(experiment, data=get_branin_data())
        )
        save_generation_strategy(generation_strategy=generation_strategy)
        save_experiment(experiment)
        # Try restoring the generation strategy using the experiment its
        # attached to.
        new_generation_strategy = load_generation_strategy_by_experiment_name(
            experiment_name=experiment.name
        )
        # `_seen_trial_indices_by_status` attribute of a GS is not saved in DB,
        # so it will be None in the restored version of the GS.
        # Hackily removing it from the original GS to check equality.
        generation_strategy._seen_trial_indices_by_status = None
        self.assertEqual(generation_strategy, new_generation_strategy)
        self.assertIsInstance(new_generation_strategy._steps[0].model, Models)
        self.assertIsInstance(new_generation_strategy.model, ModelBridge)
        self.assertEqual(len(new_generation_strategy._generator_runs), 2)
        self.assertEqual(new_generation_strategy._experiment._name, experiment._name)
示例#5
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    def testEncodeDecodeGenerationStrategy(self):
        # Cannot load generation strategy before it has been saved
        with self.assertRaises(ValueError):
            load_generation_strategy_by_id(gs_id=0)

        # Check that we can encode and decode the generation strategy *before*
        # it has generated some trials and been updated with some data.
        generation_strategy = get_generation_strategy()
        # Check that we can save a generation strategy without an experiment
        # attached.
        save_generation_strategy(generation_strategy=generation_strategy)
        # Also try restoring this generation strategy by its ID in the DB.
        new_generation_strategy = load_generation_strategy_by_id(
            gs_id=generation_strategy._db_id)
        self.assertEqual(generation_strategy, new_generation_strategy)
        self.assertIsNone(generation_strategy._experiment)
        self.assertEqual(len(generation_strategy._generated), 0)
        self.assertEqual(len(generation_strategy._observed), 0)

        # Cannot load generation strategy before it has been saved
        experiment = get_branin_experiment()
        save_experiment(experiment)
        with self.assertRaises(ValueError):
            load_generation_strategy_by_experiment_name(
                experiment_name=experiment.name)

        # Check that we can encode and decode the generation strategy *after*
        # it has generated some trials and been updated with some data.
        generation_strategy = new_generation_strategy
        experiment.new_trial(generator_run=generation_strategy.gen(experiment))
        experiment.new_trial(
            generation_strategy.gen(experiment, new_data=get_branin_data()))
        self.assertGreater(len(generation_strategy._generated), 0)
        self.assertGreater(len(generation_strategy._observed), 0)
        save_generation_strategy(generation_strategy=generation_strategy)
        save_experiment(experiment)
        # Try restoring the generation strategy using the experiment its
        # attached to.
        new_generation_strategy = load_generation_strategy_by_experiment_name(
            experiment_name=experiment.name)
        self.assertEqual(generation_strategy, new_generation_strategy)
        self.assertIsInstance(new_generation_strategy._steps[0].model, Models)
        self.assertIsInstance(new_generation_strategy.model, ModelBridge)
        self.assertEqual(len(new_generation_strategy._generator_runs), 2)
        self.assertEqual(new_generation_strategy._experiment._name,
                         experiment._name)
示例#6
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    def testUpdateGenerationStrategy(self):
        generation_strategy = get_generation_strategy()
        save_generation_strategy(generation_strategy=generation_strategy)

        experiment = get_branin_experiment()
        generation_strategy = get_generation_strategy()
        save_experiment(experiment)

        # add generator run, save, reload
        experiment.new_trial(generator_run=generation_strategy.gen(experiment))
        save_generation_strategy(generation_strategy=generation_strategy)
        loaded_generation_strategy = load_generation_strategy_by_experiment_name(
            experiment_name=experiment.name)
        self.assertEqual(generation_strategy, loaded_generation_strategy)

        # add another generator run, save, reload
        experiment.new_trial(generator_run=generation_strategy.gen(
            experiment, data=get_branin_data()))
        save_generation_strategy(generation_strategy=generation_strategy)
        save_experiment(experiment)
        loaded_generation_strategy = load_generation_strategy_by_experiment_name(
            experiment_name=experiment.name)
        # During restoration of generation strategy's model from its last generator
        # run, we set `_seen_trial_indices_by_status` to that of the experiment,
        # from which we are grabbing the data to restore the model with. When the
        # experiment was updated more recently than the last `gen` from generation
        # strategy, the generation strategy prior to save might not have 'seen'
        # some recently added trials, so we update the mappings to match and check
        # that the generation strategies are equal otherwise.
        generation_strategy._seen_trial_indices_by_status[
            TrialStatus.CANDIDATE].add(1)
        self.assertEqual(generation_strategy, loaded_generation_strategy)

        # make sure that we can update the experiment too
        experiment.description = "foobar"
        save_experiment(experiment)
        loaded_generation_strategy = load_generation_strategy_by_experiment_name(
            experiment_name=experiment.name)
        self.assertEqual(generation_strategy, loaded_generation_strategy)
        self.assertEqual(generation_strategy._experiment.description,
                         experiment.description)
        self.assertEqual(
            generation_strategy._experiment.description,
            loaded_generation_strategy._experiment.description,
        )
示例#7
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    def testUpdateGenerationStrategy(self):
        generation_strategy = get_generation_strategy()
        save_generation_strategy(generation_strategy=generation_strategy)

        experiment = get_branin_experiment()
        generation_strategy = get_generation_strategy()
        save_experiment(experiment)

        # add generator run, save, reload
        experiment.new_trial(generator_run=generation_strategy.gen(experiment))
        save_generation_strategy(generation_strategy=generation_strategy)
        loaded_generation_strategy = load_generation_strategy_by_experiment_name(
            experiment_name=experiment.name)
        self.assertEqual(generation_strategy, loaded_generation_strategy)

        # add another generator run, save, reload
        experiment.new_trial(generator_run=generation_strategy.gen(
            experiment, data=get_branin_data()))
        save_generation_strategy(generation_strategy=generation_strategy)
        save_experiment(experiment)
        loaded_generation_strategy = load_generation_strategy_by_experiment_name(
            experiment_name=experiment.name)
        self.assertEqual(generation_strategy, loaded_generation_strategy)

        # make sure that we can update the experiment too
        experiment.description = "foobar"
        save_experiment(experiment)
        loaded_generation_strategy = load_generation_strategy_by_experiment_name(
            experiment_name=experiment.name)
        self.assertEqual(generation_strategy, loaded_generation_strategy)
        self.assertEqual(generation_strategy._experiment.description,
                         experiment.description)
        self.assertEqual(
            generation_strategy._experiment.description,
            loaded_generation_strategy._experiment.description,
        )