feat: implemented declarative schema-based settings system
This commit is contained in:
@@ -0,0 +1,410 @@
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"""Tests for settings bootstrap."""
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import pytest
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from alfred.settings_bootstrap import (
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ConfigSource,
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SettingsBootstrap,
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extract_python_version,
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generate_secret,
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get_nested_value,
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)
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@pytest.fixture
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def test_toml_content():
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"""Test TOML content with schema."""
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return """
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[tool.poetry]
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name = "test"
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version = "1.0.0"
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[tool.poetry.dependencies]
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python = "==3.14.2"
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[tool.alfred.settings]
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runner = "poetry"
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image_name = "test_image"
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[tool.alfred.settings_schema.TEST_FROM_TOML]
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type = "string"
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source = "toml"
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toml_path = "tool.poetry.version"
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description = "Version from TOML"
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category = "test"
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[tool.alfred.settings_schema.TEST_FROM_ENV]
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type = "string"
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source = "env"
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default = "default_value"
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description = "Value from env"
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category = "test"
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[tool.alfred.settings_schema.TEST_SECRET]
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type = "secret"
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source = "generated"
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secret_rule = "16:hex"
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description = "Generated secret"
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category = "security"
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[tool.alfred.settings_schema.TEST_COMPUTED]
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type = "computed"
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source = "computed"
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compute_from = ["TEST_FROM_TOML", "TEST_FROM_ENV"]
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compute_template = "{TEST_FROM_TOML}-{TEST_FROM_ENV}"
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description = "Computed value"
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category = "test"
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[tool.alfred.settings_schema.PYTHON_VERSION]
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type = "string"
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source = "toml"
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toml_path = "tool.poetry.dependencies.python"
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transform = "extract_python_version_full"
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description = "Python version"
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category = "build"
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"""
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@pytest.fixture
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def config_source(tmp_path):
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"""Create a ConfigSource for testing."""
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return ConfigSource.from_base_dir(tmp_path)
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@pytest.fixture
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def create_test_env(tmp_path, test_toml_content):
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"""Create a complete test environment."""
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# Create pyproject.toml
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toml_path = tmp_path / "pyproject.toml"
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toml_path.write_text(test_toml_content)
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# Create .env.example
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env_example = tmp_path / ".env.example"
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env_example.write_text("""
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TEST_FROM_TOML=
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TEST_FROM_ENV=
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TEST_SECRET=
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TEST_COMPUTED=
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PYTHON_VERSION=
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""")
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return ConfigSource.from_base_dir(tmp_path)
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class TestExtractPythonVersion:
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"""Test Python version extraction."""
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def test_exact_version(self):
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"""Test exact version format."""
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full, short = extract_python_version("==3.14.2")
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assert full == "3.14.2"
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assert short == "3.14"
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def test_caret_version(self):
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"""Test caret version format."""
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full, short = extract_python_version("^3.14.2")
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assert full == "3.14.2"
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assert short == "3.14"
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def test_invalid_version(self):
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"""Test invalid version raises error."""
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with pytest.raises(ValueError, match="Invalid Python version"):
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extract_python_version("3")
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class TestGenerateSecret:
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"""Test secret generation."""
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def test_generate_b64(self):
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"""Test base64 secret generation."""
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secret = generate_secret("32:b64")
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assert isinstance(secret, str)
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assert len(secret) > 0
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def test_generate_hex(self):
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"""Test hex secret generation."""
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secret = generate_secret("16:hex")
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assert isinstance(secret, str)
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assert len(secret) == 32 # 16 bytes = 32 hex chars
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assert all(c in "0123456789abcdef" for c in secret)
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def test_invalid_format(self):
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"""Test invalid format raises error."""
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with pytest.raises(ValueError, match="Invalid security format"):
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generate_secret("32:invalid")
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def test_invalid_rule(self):
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"""Test invalid rule format raises error."""
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with pytest.raises(ValueError, match="Invalid security rule format"):
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generate_secret("32")
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class TestGetNestedValue:
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"""Test nested value extraction."""
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def test_simple_path(self):
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"""Test simple path."""
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data = {"key": "value"}
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assert get_nested_value(data, "key") == "value"
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def test_nested_path(self):
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"""Test nested path."""
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data = {"a": {"b": {"c": "value"}}}
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assert get_nested_value(data, "a.b.c") == "value"
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def test_missing_key(self):
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"""Test missing key raises error."""
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data = {"a": {"b": "value"}}
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with pytest.raises(KeyError):
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get_nested_value(data, "a.c")
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def test_non_dict_value(self):
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"""Test accessing non-dict raises error."""
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data = {"a": "not a dict"}
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with pytest.raises(KeyError, match="non-dict"):
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get_nested_value(data, "a.b")
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class TestSettingsBootstrap:
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"""Test settings bootstrap."""
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def test_load_sources(self, create_test_env):
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"""Test loading TOML and env sources."""
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bootstrapper = SettingsBootstrap(create_test_env)
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bootstrapper._load_sources()
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assert bootstrapper.toml_data is not None
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assert "tool" in bootstrapper.toml_data
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assert isinstance(bootstrapper.existing_env, dict)
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def test_resolve_from_toml(self, create_test_env):
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"""Test resolving setting from TOML."""
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# Load schema from test env
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from alfred.settings_schema import load_schema
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schema = load_schema(create_test_env.base_dir)
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bootstrapper = SettingsBootstrap(create_test_env, schema)
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bootstrapper._load_sources()
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# Get definition for TEST_FROM_TOML
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definition = bootstrapper.schema.get("TEST_FROM_TOML")
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value = bootstrapper._resolve_from_toml(definition)
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assert value == "1.0.0" # From tool.poetry.version
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def test_resolve_from_env_with_default(self, create_test_env):
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"""Test resolving from env with default."""
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from alfred.settings_schema import load_schema
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schema = load_schema(create_test_env.base_dir)
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bootstrapper = SettingsBootstrap(create_test_env, schema)
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bootstrapper._load_sources()
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definition = bootstrapper.schema.get("TEST_FROM_ENV")
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value = bootstrapper._resolve_from_env(definition)
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assert value == "default_value"
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def test_resolve_from_env_existing(self, create_test_env):
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"""Test resolving from existing env."""
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# Create existing .env
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create_test_env.env_path.write_text("TEST_FROM_ENV=existing_value\n")
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from alfred.settings_schema import load_schema
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schema = load_schema(create_test_env.base_dir)
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bootstrapper = SettingsBootstrap(create_test_env, schema)
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bootstrapper._load_sources()
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definition = bootstrapper.schema.get("TEST_FROM_ENV")
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value = bootstrapper._resolve_from_env(definition)
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assert value == "existing_value"
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def test_resolve_generated_new(self, create_test_env):
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"""Test generating new secret."""
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from alfred.settings_schema import load_schema
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schema = load_schema(create_test_env.base_dir)
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bootstrapper = SettingsBootstrap(create_test_env, schema)
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bootstrapper._load_sources()
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definition = bootstrapper.schema.get("TEST_SECRET")
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value = bootstrapper._resolve_generated(definition)
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assert isinstance(value, str)
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assert len(value) == 32 # 16 hex = 32 chars
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def test_resolve_generated_preserve_existing(self, create_test_env):
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"""Test preserving existing secret."""
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# Create existing .env with secret
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create_test_env.env_path.write_text("TEST_SECRET=existing_secret\n")
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from alfred.settings_schema import load_schema
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schema = load_schema(create_test_env.base_dir)
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bootstrapper = SettingsBootstrap(create_test_env, schema)
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bootstrapper._load_sources()
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definition = bootstrapper.schema.get("TEST_SECRET")
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value = bootstrapper._resolve_generated(definition)
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assert value == "existing_secret"
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def test_resolve_computed(self, create_test_env):
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"""Test resolving computed setting."""
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from alfred.settings_schema import load_schema
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schema = load_schema(create_test_env.base_dir)
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bootstrapper = SettingsBootstrap(create_test_env, schema)
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bootstrapper._load_sources()
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# Resolve dependencies first
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bootstrapper.resolved_settings["TEST_FROM_TOML"] = "1.0.0"
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bootstrapper.resolved_settings["TEST_FROM_ENV"] = "test"
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definition = bootstrapper.schema.get("TEST_COMPUTED")
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value = bootstrapper._resolve_computed(definition)
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assert value == "1.0.0-test"
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def test_resolve_with_transform(self, create_test_env):
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"""Test resolving with transform function."""
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from alfred.settings_schema import load_schema
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schema = load_schema(create_test_env.base_dir)
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bootstrapper = SettingsBootstrap(create_test_env, schema)
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bootstrapper._load_sources()
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definition = bootstrapper.schema.get("PYTHON_VERSION")
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value = bootstrapper._resolve_from_toml(definition)
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assert value == "3.14.2" # Transformed from "==3.14.2"
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def test_full_bootstrap(self, create_test_env):
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"""Test complete bootstrap process."""
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from alfred.settings_schema import load_schema
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schema = load_schema(create_test_env.base_dir)
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bootstrapper = SettingsBootstrap(create_test_env, schema)
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bootstrapper.bootstrap()
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# Check .env was created
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assert create_test_env.env_path.exists()
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# Check .env.make was created
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env_make_path = create_test_env.base_dir / ".env.make"
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assert env_make_path.exists()
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# Check content
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env_content = create_test_env.env_path.read_text()
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assert "TEST_FROM_TOML=1.0.0" in env_content
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assert "TEST_FROM_ENV=default_value" in env_content
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assert "TEST_SECRET=" in env_content
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assert "TEST_COMPUTED=1.0.0-default_value" in env_content
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def test_bootstrap_preserves_secrets(self, create_test_env):
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"""Test that bootstrap preserves existing secrets."""
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# Create existing .env with secret
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create_test_env.env_path.write_text("""
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TEST_FROM_ENV=old_value
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TEST_SECRET=my_secret_123
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""")
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from alfred.settings_schema import load_schema
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schema = load_schema(create_test_env.base_dir)
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bootstrapper = SettingsBootstrap(create_test_env, schema)
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bootstrapper.bootstrap()
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# Check secret was preserved
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env_content = create_test_env.env_path.read_text()
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assert "TEST_SECRET=my_secret_123" in env_content
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def test_validation_error(self, tmp_path, test_toml_content):
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"""Test validation error is raised."""
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# Add a setting with validation
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toml_with_validation = (
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test_toml_content
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+ """
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[tool.alfred.settings_schema.TEST_VALIDATED]
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type = "integer"
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source = "env"
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default = 150
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validator = "range:1:100"
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description = "Validated setting"
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category = "test"
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"""
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)
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toml_path = tmp_path / "pyproject.toml"
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toml_path.write_text(toml_with_validation)
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env_example = tmp_path / ".env.example"
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env_example.write_text("TEST_VALIDATED=\n")
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source = ConfigSource.from_base_dir(tmp_path)
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from alfred.settings_schema import load_schema
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schema = load_schema(tmp_path)
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bootstrapper = SettingsBootstrap(source, schema)
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with pytest.raises(ValueError, match="Validation errors"):
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bootstrapper.bootstrap()
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def test_write_env_make_only_exports(self, create_test_env):
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"""Test that .env.make only contains export_to_env_make settings."""
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# Add a setting with export_to_env_make
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toml_content = create_test_env.toml_path.read_text()
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toml_content += """
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[tool.alfred.settings_schema.EXPORTED_VAR]
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type = "string"
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source = "env"
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default = "exported"
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export_to_env_make = true
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category = "build"
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"""
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create_test_env.toml_path.write_text(toml_content)
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# Recreate schema
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from alfred.settings_schema import load_schema
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schema = load_schema(create_test_env.base_dir)
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bootstrapper = SettingsBootstrap(create_test_env, schema)
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bootstrapper.bootstrap()
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env_make_content = (create_test_env.base_dir / ".env.make").read_text()
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assert "EXPORTED_VAR=exported" in env_make_content
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# Non-exported vars should not be in .env.make
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assert "TEST_FROM_ENV" not in env_make_content
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class TestConfigSource:
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"""Test ConfigSource dataclass."""
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def test_from_base_dir(self, tmp_path):
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"""Test creating ConfigSource from base dir."""
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source = ConfigSource.from_base_dir(tmp_path)
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assert source.base_dir == tmp_path
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assert source.toml_path == tmp_path / "pyproject.toml"
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assert source.env_path == tmp_path / ".env"
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assert source.env_example_path == tmp_path / ".env.example"
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def test_from_base_dir_default(self):
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"""Test creating ConfigSource with default base dir."""
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source = ConfigSource.from_base_dir()
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assert source.base_dir.exists()
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assert source.toml_path.name == "pyproject.toml"
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@@ -0,0 +1,332 @@
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"""Tests for settings schema parser."""
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import pytest
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from alfred.settings_schema import (
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SettingDefinition,
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SettingSource,
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SettingType,
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load_schema,
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validate_value,
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)
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@pytest.fixture
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def minimal_schema_toml():
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"""Minimal valid schema TOML."""
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return """
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[tool.alfred.settings_schema.TEST_STRING]
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type = "string"
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source = "env"
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default = "test_value"
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description = "Test string setting"
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category = "test"
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[tool.alfred.settings_schema.TEST_INTEGER]
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type = "integer"
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source = "env"
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default = 42
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description = "Test integer setting"
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category = "test"
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validator = "range:1:100"
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[tool.alfred.settings_schema.TEST_SECRET]
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type = "secret"
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source = "generated"
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secret_rule = "32:b64"
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description = "Test secret"
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category = "security"
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required = true
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[tool.alfred.settings_schema.TEST_COMPUTED]
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type = "computed"
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source = "computed"
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compute_from = ["TEST_STRING", "TEST_INTEGER"]
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compute_template = "{TEST_STRING}_{TEST_INTEGER}"
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description = "Test computed"
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category = "test"
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[tool.alfred.settings_schema.TEST_OPTIONAL]
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type = "string"
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source = "env"
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required = false
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description = "Optional setting"
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category = "test"
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"""
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@pytest.fixture
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def create_schema_file(tmp_path):
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"""Factory to create pyproject.toml with schema."""
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def _create(content: str):
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toml_path = tmp_path / "pyproject.toml"
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full_content = f"""
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[tool.poetry]
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name = "test"
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version = "1.0.0"
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{content}
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"""
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toml_path.write_text(full_content)
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return tmp_path
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return _create
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class TestSettingDefinition:
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"""Test SettingDefinition dataclass."""
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def test_create_definition(self):
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"""Test creating a setting definition."""
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definition = SettingDefinition(
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name="TEST_SETTING",
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type=SettingType.STRING,
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source=SettingSource.ENV,
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description="Test setting",
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category="test",
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default="default_value",
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)
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assert definition.name == "TEST_SETTING"
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assert definition.type == SettingType.STRING
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assert definition.source == SettingSource.ENV
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assert definition.default == "default_value"
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assert definition.required is True # Default
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||||
|
||||
|
||||
class TestSettingsSchema:
|
||||
"""Test SettingsSchema parser."""
|
||||
|
||||
def test_parse_schema(self, create_schema_file, minimal_schema_toml):
|
||||
"""Test parsing schema from TOML."""
|
||||
base_dir = create_schema_file(minimal_schema_toml)
|
||||
schema = load_schema(base_dir)
|
||||
|
||||
assert len(schema) == 5
|
||||
assert "TEST_STRING" in schema.definitions
|
||||
assert "TEST_INTEGER" in schema.definitions
|
||||
assert "TEST_SECRET" in schema.definitions
|
||||
assert "TEST_COMPUTED" in schema.definitions
|
||||
assert "TEST_OPTIONAL" in schema.definitions
|
||||
|
||||
def test_get_definition(self, create_schema_file, minimal_schema_toml):
|
||||
"""Test getting a definition by name."""
|
||||
base_dir = create_schema_file(minimal_schema_toml)
|
||||
schema = load_schema(base_dir)
|
||||
|
||||
definition = schema.get("TEST_STRING")
|
||||
assert definition is not None
|
||||
assert definition.name == "TEST_STRING"
|
||||
assert definition.type == SettingType.STRING
|
||||
assert definition.default == "test_value"
|
||||
|
||||
def test_get_by_category(self, create_schema_file, minimal_schema_toml):
|
||||
"""Test getting definitions by category."""
|
||||
base_dir = create_schema_file(minimal_schema_toml)
|
||||
schema = load_schema(base_dir)
|
||||
|
||||
test_settings = schema.get_by_category("test")
|
||||
assert len(test_settings) == 4
|
||||
|
||||
security_settings = schema.get_by_category("security")
|
||||
assert len(security_settings) == 1
|
||||
|
||||
def test_get_by_source(self, create_schema_file, minimal_schema_toml):
|
||||
"""Test getting definitions by source."""
|
||||
base_dir = create_schema_file(minimal_schema_toml)
|
||||
schema = load_schema(base_dir)
|
||||
|
||||
env_settings = schema.get_by_source(SettingSource.ENV)
|
||||
assert len(env_settings) == 3
|
||||
|
||||
generated_settings = schema.get_by_source(SettingSource.GENERATED)
|
||||
assert len(generated_settings) == 1
|
||||
|
||||
computed_settings = schema.get_by_source(SettingSource.COMPUTED)
|
||||
assert len(computed_settings) == 1
|
||||
|
||||
def test_get_required(self, create_schema_file, minimal_schema_toml):
|
||||
"""Test getting required settings."""
|
||||
base_dir = create_schema_file(minimal_schema_toml)
|
||||
schema = load_schema(base_dir)
|
||||
|
||||
required = schema.get_required()
|
||||
# TEST_OPTIONAL is not required
|
||||
assert len(required) == 4
|
||||
|
||||
def test_parse_types(self, create_schema_file):
|
||||
"""Test parsing different setting types."""
|
||||
schema_toml = """
|
||||
[tool.alfred.settings_schema.STR_SETTING]
|
||||
type = "string"
|
||||
source = "env"
|
||||
default = "text"
|
||||
|
||||
[tool.alfred.settings_schema.INT_SETTING]
|
||||
type = "integer"
|
||||
source = "env"
|
||||
default = 42
|
||||
|
||||
[tool.alfred.settings_schema.FLOAT_SETTING]
|
||||
type = "float"
|
||||
source = "env"
|
||||
default = 3.14
|
||||
|
||||
[tool.alfred.settings_schema.BOOL_SETTING]
|
||||
type = "boolean"
|
||||
source = "env"
|
||||
default = true
|
||||
"""
|
||||
base_dir = create_schema_file(schema_toml)
|
||||
schema = load_schema(base_dir)
|
||||
|
||||
assert schema.get("STR_SETTING").default == "text"
|
||||
assert schema.get("INT_SETTING").default == 42
|
||||
assert schema.get("FLOAT_SETTING").default == 3.14
|
||||
assert schema.get("BOOL_SETTING").default is True
|
||||
|
||||
def test_missing_schema_section(self, tmp_path):
|
||||
"""Test error when schema section is missing."""
|
||||
toml_path = tmp_path / "pyproject.toml"
|
||||
toml_path.write_text("""
|
||||
[tool.poetry]
|
||||
name = "test"
|
||||
version = "1.0.0"
|
||||
""")
|
||||
|
||||
with pytest.raises(KeyError, match="settings_schema"):
|
||||
load_schema(tmp_path)
|
||||
|
||||
|
||||
class TestValidateValue:
|
||||
"""Test value validation."""
|
||||
|
||||
def test_validate_string(self):
|
||||
"""Test validating string values."""
|
||||
definition = SettingDefinition(
|
||||
name="TEST",
|
||||
type=SettingType.STRING,
|
||||
source=SettingSource.ENV,
|
||||
)
|
||||
|
||||
assert validate_value(definition, "test") is True
|
||||
|
||||
with pytest.raises(ValueError, match="must be string"):
|
||||
validate_value(definition, 123)
|
||||
|
||||
def test_validate_integer(self):
|
||||
"""Test validating integer values."""
|
||||
definition = SettingDefinition(
|
||||
name="TEST",
|
||||
type=SettingType.INTEGER,
|
||||
source=SettingSource.ENV,
|
||||
)
|
||||
|
||||
assert validate_value(definition, 42) is True
|
||||
|
||||
with pytest.raises(ValueError, match="must be integer"):
|
||||
validate_value(definition, "not an int")
|
||||
|
||||
def test_validate_float(self):
|
||||
"""Test validating float values."""
|
||||
definition = SettingDefinition(
|
||||
name="TEST",
|
||||
type=SettingType.FLOAT,
|
||||
source=SettingSource.ENV,
|
||||
)
|
||||
|
||||
assert validate_value(definition, 3.14) is True
|
||||
assert validate_value(definition, 42) is True # int is ok for float
|
||||
|
||||
with pytest.raises(ValueError, match="must be float"):
|
||||
validate_value(definition, "not a float")
|
||||
|
||||
def test_validate_required(self):
|
||||
"""Test validating required settings."""
|
||||
definition = SettingDefinition(
|
||||
name="TEST",
|
||||
type=SettingType.STRING,
|
||||
source=SettingSource.ENV,
|
||||
required=True,
|
||||
)
|
||||
|
||||
with pytest.raises(ValueError, match="is required"):
|
||||
validate_value(definition, None)
|
||||
|
||||
def test_validate_optional(self):
|
||||
"""Test validating optional settings."""
|
||||
definition = SettingDefinition(
|
||||
name="TEST",
|
||||
type=SettingType.STRING,
|
||||
source=SettingSource.ENV,
|
||||
required=False,
|
||||
)
|
||||
|
||||
assert validate_value(definition, None) is True
|
||||
|
||||
def test_validate_range(self):
|
||||
"""Test range validator."""
|
||||
definition = SettingDefinition(
|
||||
name="TEST",
|
||||
type=SettingType.INTEGER,
|
||||
source=SettingSource.ENV,
|
||||
validator="range:1:100",
|
||||
)
|
||||
|
||||
assert validate_value(definition, 50) is True
|
||||
assert validate_value(definition, 1) is True
|
||||
assert validate_value(definition, 100) is True
|
||||
|
||||
with pytest.raises(ValueError, match=r"must be between .* and .*, got"):
|
||||
validate_value(definition, 0)
|
||||
|
||||
with pytest.raises(ValueError, match=r"must be between .* and .*, got"):
|
||||
validate_value(definition, 101)
|
||||
|
||||
def test_validate_float_range(self):
|
||||
"""Test range validator with floats."""
|
||||
definition = SettingDefinition(
|
||||
name="TEST",
|
||||
type=SettingType.FLOAT,
|
||||
source=SettingSource.ENV,
|
||||
validator="range:0.0:2.0",
|
||||
)
|
||||
|
||||
assert validate_value(definition, 1.5) is True
|
||||
assert validate_value(definition, 0.0) is True
|
||||
assert validate_value(definition, 2.0) is True
|
||||
|
||||
with pytest.raises(ValueError, match="must be between 0.0 and 2.0"):
|
||||
validate_value(definition, -0.1)
|
||||
|
||||
with pytest.raises(ValueError, match="must be between 0.0 and 2.0"):
|
||||
validate_value(definition, 2.1)
|
||||
|
||||
def test_invalid_validator(self):
|
||||
"""Test unknown validator raises error."""
|
||||
definition = SettingDefinition(
|
||||
name="TEST",
|
||||
type=SettingType.STRING,
|
||||
source=SettingSource.ENV,
|
||||
validator="unknown:validator",
|
||||
)
|
||||
|
||||
with pytest.raises(ValueError, match="Unknown validator"):
|
||||
validate_value(definition, "test")
|
||||
|
||||
|
||||
class TestSchemaIteration:
|
||||
"""Test schema iteration."""
|
||||
|
||||
def test_iterate_schema(self, create_schema_file, minimal_schema_toml):
|
||||
"""Test iterating over schema definitions."""
|
||||
base_dir = create_schema_file(minimal_schema_toml)
|
||||
schema = load_schema(base_dir)
|
||||
|
||||
definitions = list(schema)
|
||||
assert len(definitions) == 5
|
||||
|
||||
names = [d.name for d in definitions]
|
||||
assert "TEST_STRING" in names
|
||||
assert "TEST_INTEGER" in names
|
||||
Reference in New Issue
Block a user