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117 行
3.2 KiB
117 行
3.2 KiB
import io
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import json
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import pytest
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from unittest.mock import patch, mock_open
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from mlagents.trainers.exception import CurriculumConfigError, CurriculumLoadingError
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from mlagents.trainers.curriculum import Curriculum
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dummy_curriculum_json_str = """
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{
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"measure" : "reward",
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"thresholds" : [10, 20, 50],
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"min_lesson_length" : 3,
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"signal_smoothing" : true,
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"parameters" :
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{
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"param1" : [0.7, 0.5, 0.3, 0.1],
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"param2" : [100, 50, 20, 15],
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"param3" : [0.2, 0.3, 0.7, 0.9]
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}
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}
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"""
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dummy_curriculum_config = json.loads(dummy_curriculum_json_str)
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bad_curriculum_json_str = """
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{
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"measure" : "reward",
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"thresholds" : [10, 20, 50],
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"min_lesson_length" : 3,
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"signal_smoothing" : false,
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"parameters" :
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{
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"param1" : [0.7, 0.5, 0.3, 0.1],
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"param2" : [100, 50, 20],
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"param3" : [0.2, 0.3, 0.7, 0.9]
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}
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}
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"""
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dummy_curriculum_config_path = "TestBrain.json"
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@pytest.fixture
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def default_reset_parameters():
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return {"param1": 1, "param2": 1, "param3": 1}
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def test_init_curriculum_happy_path():
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curriculum = Curriculum("TestBrain", dummy_curriculum_config)
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assert curriculum.brain_name == "TestBrain"
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assert curriculum.lesson_num == 0
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assert curriculum.measure == "reward"
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@patch("builtins.open", new_callable=mock_open, read_data=bad_curriculum_json_str)
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def test_load_bad_curriculum_file_raises_error(mock_file):
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with pytest.raises(CurriculumConfigError):
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Curriculum(
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"TestBrain", Curriculum.load_curriculum_file(dummy_curriculum_config_path)
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)
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def test_increment_lesson():
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curriculum = Curriculum("TestBrain", dummy_curriculum_config)
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assert curriculum.lesson_num == 0
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curriculum.lesson_num = 1
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assert curriculum.lesson_num == 1
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assert not curriculum.increment_lesson(10)
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assert curriculum.lesson_num == 1
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assert curriculum.increment_lesson(30)
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assert curriculum.lesson_num == 2
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assert not curriculum.increment_lesson(30)
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assert curriculum.lesson_num == 2
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assert curriculum.increment_lesson(10000)
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assert curriculum.lesson_num == 3
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def test_get_parameters():
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curriculum = Curriculum("TestBrain", dummy_curriculum_config)
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assert curriculum.get_config() == {"param1": 0.7, "param2": 100, "param3": 0.2}
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curriculum.lesson_num = 2
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assert curriculum.get_config() == {"param1": 0.3, "param2": 20, "param3": 0.7}
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assert curriculum.get_config(0) == {"param1": 0.7, "param2": 100, "param3": 0.2}
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# Test json loading and error handling. These examples don't need to valid config files.
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def test_curriculum_load_good():
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expected = {"x": 1}
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value = json.dumps(expected)
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fp = io.StringIO(value)
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assert expected == Curriculum._load_curriculum(fp)
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def test_curriculum_load_missing_file():
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with pytest.raises(CurriculumLoadingError):
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Curriculum.load_curriculum_file("notAValidFile.json")
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def test_curriculum_load_invalid_json():
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# This isn't valid json because of the trailing comma
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contents = """
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{
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"x": [1, 2, 3,]
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}
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"""
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fp = io.StringIO(contents)
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with pytest.raises(CurriculumLoadingError):
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Curriculum._load_curriculum(fp)
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