"""Tests for base conversion task generation""" import pytest from reasoning_gym.algorithmic.base_conversion import ( BaseConversionConfig, BaseConversionCurriculum, BaseConversionDataset, ) def test_base_conversion_config_validation(): """Test that invalid configs raise appropriate errors""" with pytest.raises(AssertionError): config = BaseConversionConfig(min_base=1) # Too small config.validate() with pytest.raises(AssertionError): config = BaseConversionConfig(min_base=37) # Too large config.validate() with pytest.raises(AssertionError): config = BaseConversionConfig(min_base=10, max_base=5) # max < min config.validate() with pytest.raises(AssertionError): config = BaseConversionConfig(min_value=-1) # Negative not allowed config.validate() def test_base_conversion_dataset_deterministic(): """Test that dataset generates same items with same seed""" config = BaseConversionConfig(seed=42, size=10) dataset1 = BaseConversionDataset(config) dataset2 = BaseConversionDataset(config) for i in range(len(dataset1)): assert dataset1[i] == dataset2[i] def test_base_conversion_dataset_items(): """Test basic properties of generated items""" config = BaseConversionConfig(min_base=2, max_base=16, min_value=0, max_value=1000, size=10, seed=42) dataset = BaseConversionDataset(config) for i in range(len(dataset)): item = dataset[i] # Check item structure assert isinstance(item, dict) assert "question" in item assert "answer" in item assert "metadata" in item # Check metadata assert "decimal_value" in item["metadata"] assert "source_base" in item["metadata"] assert "target_base" in item["metadata"] assert "source_repr" in item["metadata"] assert "target_repr" in item["metadata"] # Verify value range assert config.min_value <= item["metadata"]["decimal_value"] <= config.max_value # Verify base range assert config.min_base <= item["metadata"]["source_base"] <= config.max_base assert config.min_base <= item["metadata"]["target_base"] <= config.max_base assert item["metadata"]["source_base"] != item["metadata"]["target_base"] # Verify conversion correctness decimal_value = item["metadata"]["decimal_value"] target_base = item["metadata"]["target_base"] # Use same conversion logic as implementation if target_base == 16: expected = format(decimal_value, "x") elif target_base == 2: expected = format(decimal_value, "b") else: # Manual conversion for other bases n = decimal_value digits = [] while n: digits.append(int(n % target_base)) n //= target_base expected = "".join(str(d) if d < 10 else chr(ord("a") + d - 10) for d in reversed(digits) or [0]) assert item["answer"] == expected def test_base_conversion_dataset_iteration(): """Test that iteration respects dataset size""" config = BaseConversionConfig(size=5, seed=42) dataset = BaseConversionDataset(config) items = list(dataset) assert len(items) == config.size # Test multiple iterations yield same items assert items == list(dataset) def test_base_conversion_validity(): """Test that generated numbers are valid for their bases""" config = BaseConversionConfig(min_base=2, max_base=36, min_value=0, max_value=1000, size=100, seed=42) dataset = BaseConversionDataset(config) def is_valid_for_base(num_str: str, base: int) -> bool: valid_chars = "0123456789abcdefghijklmnopqrstuvwxyz"[:base] return all(c in valid_chars for c in num_str.lower()) for i in range(len(dataset)): item = dataset[i] assert is_valid_for_base( item["metadata"]["source_repr"], item["metadata"]["source_base"] ), f"Invalid source number {item['metadata']['source_repr']} for base {item['metadata']['source_base']}" assert is_valid_for_base( item["metadata"]["target_repr"], item["metadata"]["target_base"] ), f"Invalid target number {item['metadata']['target_repr']} for base {item['metadata']['target_base']}" def test_base_conversion_special_bases(): """Test conversion between special bases (binary, hex)""" config = BaseConversionConfig( min_base=2, max_base=16, min_value=0, max_value=255, # Use small range for predictable results size=100, seed=42, ) dataset = BaseConversionDataset(config) binary_found = False hex_found = False for i in range(len(dataset)): item = dataset[i] if item["metadata"]["target_base"] == 2: binary_found = True # Verify binary format assert all(c in "01" for c in item["answer"]) elif item["metadata"]["target_base"] == 16: hex_found = True # Verify hex format assert all(c in "0123456789abcdef" for c in item["answer"]) assert binary_found, "No binary conversion tasks generated" assert hex_found, "No hexadecimal conversion tasks generated" def test_base_conversion_formatting(): """Test number formatting in different bases""" config = BaseConversionConfig( min_base=11, # Force bases that use letters max_base=36, min_value=10, # Ensure multi-digit numbers max_value=1000, size=10, seed=42, ) dataset = BaseConversionDataset(config) for i in range(len(dataset)): item = dataset[i] # Verify lowercase letters are used assert item["answer"] == item["answer"].lower() # Verify no whitespace in answer assert item["answer"].strip() == item["answer"] # Verify hint is included for bases > 10 assert "use lowercase letters" in item["question"] def test_base_conversion_curriculum(): curriculum = BaseConversionCurriculum() base_value = {"size": 150, "seed": 1} base_cfg: BaseConversionConfig = curriculum.generate_configuration(base_value) assert base_cfg.seed == 1 assert base_cfg.size == 150 assert base_cfg.min_base == 2 and base_cfg.max_base == 9 assert base_cfg.min_value == 1000 and base_cfg.max_value == 10_000 # test incrementing attribute levels curriculum.increment_attr_level("base") curriculum.increment_attr_level("value") increased_cfg = curriculum.generate_configuration(base_value) assert increased_cfg.min_base == 2 and increased_cfg.max_base == 18 assert increased_cfg.min_value == 1000 and increased_cfg.max_value == 100_000 # test decrementing attribute level for base again curriculum.decrement_attr_level("base") partially_decreased_cfg = curriculum.generate_configuration(base_value) assert partially_decreased_cfg.min_base == 2 and partially_decreased_cfg.max_base == 9 assert partially_decreased_cfg.min_value == 1000 and partially_decreased_cfg.max_value == 100_000