omegaconf / tests /structured_conf /test_structured_basic.py
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import re
from importlib import import_module
from typing import Any, Optional
import pytest
from omegaconf import OmegaConf, ValidationError, _utils
from omegaconf.errors import ConfigKeyError
@pytest.mark.parametrize(
"class_type",
[
"tests.structured_conf.data.dataclasses",
"tests.structured_conf.data.attr_classes",
],
)
class TestStructured:
class TestBasic:
def test_error_on_non_structured_config_class(self, class_type: str) -> None:
module: Any = import_module(class_type)
with pytest.raises(ValidationError, match="structured config"):
OmegaConf.structured(module.NotStructuredConfig)
def test_error_on_non_structured_nested_config_class(
self, class_type: str
) -> None:
module: Any = import_module(class_type)
with pytest.raises(
ValidationError,
match=re.escape("Unexpected object type : NotStructuredConfig"),
):
OmegaConf.structured(module.StructuredWithInvalidField)
def test_assignment_of_subclass(self, class_type: str) -> None:
module: Any = import_module(class_type)
cfg = OmegaConf.create({"plugin": module.Plugin})
cfg.plugin = OmegaConf.structured(module.ConcretePlugin)
assert OmegaConf.get_type(cfg.plugin) == module.ConcretePlugin
assert (
OmegaConf.get_type(cfg.plugin.params)
== module.ConcretePlugin.FoobarParams
)
def test_assignment_of_non_subclass_1(self, class_type: str) -> None:
module: Any = import_module(class_type)
cfg = OmegaConf.create({"plugin": module.Plugin})
with pytest.raises(ValidationError):
cfg.plugin = OmegaConf.structured(module.FaultyPlugin)
def test_merge(self, class_type: str) -> None:
module: Any = import_module(class_type)
cfg1 = OmegaConf.create({"plugin": module.Plugin})
cfg2 = OmegaConf.create({"plugin": module.ConcretePlugin})
assert cfg2.plugin == module.ConcretePlugin
res: Any = OmegaConf.merge(cfg1, cfg2)
assert OmegaConf.get_type(res.plugin) == module.ConcretePlugin
assert (
OmegaConf.get_type(res.plugin.params)
== module.ConcretePlugin.FoobarParams
)
def test_merge_of_non_subclass_1(self, class_type: str) -> None:
module: Any = import_module(class_type)
cfg1 = OmegaConf.create({"plugin": module.Plugin})
cfg2 = OmegaConf.create({"plugin": module.FaultyPlugin})
with pytest.raises(ValidationError):
OmegaConf.merge(cfg1, cfg2)
def test_merge_error_new_attribute(self, class_type: str) -> None:
module: Any = import_module(class_type)
cfg = OmegaConf.structured(module.ConcretePlugin)
cfg2 = OmegaConf.create({"params": {"bar": 10}})
# raise if an invalid key is merged into a struct
with pytest.raises(ConfigKeyError):
OmegaConf.merge(cfg, cfg2)
def test_merge_error_override_bad_type(self, class_type: str) -> None:
module: Any = import_module(class_type)
cfg = OmegaConf.structured(module.ConcretePlugin)
# raise if an invalid key is merged into a struct
with pytest.raises(ValidationError):
OmegaConf.merge(cfg, {"params": {"foo": "zonk"}})
def test_error_message(self, class_type: str) -> None:
module: Any = import_module(class_type)
cfg = OmegaConf.structured(module.StructuredOptional)
msg = re.escape("child 'not_optional' is not Optional")
with pytest.raises(ValidationError, match=msg):
cfg.not_optional = None
def test_none_assignment(self, class_type: str) -> None:
module: Any = import_module(class_type)
cfg = OmegaConf.create({"plugin": module.Plugin})
# can assign None to params (type Any):
cfg.plugin.params = None
assert cfg.plugin.params is None
cfg2 = OmegaConf.create({"plugin": module.ConcretePlugin})
with pytest.raises(ValidationError):
cfg2.plugin.params = None
@pytest.mark.parametrize("rhs", [1, "foo"])
class TestFailedAssignmentOrMerges:
def test_assignment_of_non_subclass_2(self, class_type: str, rhs: Any) -> None:
module: Any = import_module(class_type)
cfg = OmegaConf.create({"plugin": module.Plugin})
with pytest.raises(ValidationError):
cfg.plugin = rhs
def test_merge_of_non_subclass_2(self, class_type: str, rhs: Any) -> None:
module: Any = import_module(class_type)
cfg1 = OmegaConf.create({"plugin": module.Plugin})
cfg2 = OmegaConf.create({"plugin": rhs})
with pytest.raises(ValidationError):
OmegaConf.merge(cfg1, cfg2)
def test_get_type(self, class_type: str) -> None:
module: Any = import_module(class_type)
cfg1 = OmegaConf.create(module.LinkedList)
assert OmegaConf.get_type(cfg1) == module.LinkedList
assert _utils.get_ref_type(cfg1, "next") == Optional[module.LinkedList]
assert OmegaConf.get_type(cfg1, "next") is None
assert cfg1.next is None
assert OmegaConf.is_missing(cfg1, "value")
cfg2 = OmegaConf.create(module.MissingTest.Missing1)
assert OmegaConf.is_missing(cfg2, "head")
assert _utils.get_ref_type(cfg2, "head") == module.LinkedList
assert OmegaConf.get_type(cfg2, "head") is None
class TestMissing:
def test_missing1(self, class_type: str) -> None:
module: Any = import_module(class_type)
cfg = OmegaConf.create(module.MissingTest.Missing1)
assert OmegaConf.is_missing(cfg, "head")
assert OmegaConf.get_type(cfg, "head") is None
with pytest.raises(ValidationError):
cfg.head = 10
def test_missing2(self, class_type: str) -> None:
module: Any = import_module(class_type)
cfg = OmegaConf.create(module.MissingTest.Missing2)
assert cfg == {"head": {"next": "???", "value": 1}}
assert OmegaConf.is_missing(cfg.head, "next")
cfg.head.next = module.LinkedList(value=2)
assert cfg == {"head": {"next": {"next": None, "value": 2}, "value": 1}}
def test_plugin_holder(self, class_type: str) -> None:
module: Any = import_module(class_type)
cfg = OmegaConf.create(module.PluginHolder)
assert OmegaConf.is_optional(cfg, "none")
assert _utils.get_ref_type(cfg, "none") == Optional[module.Plugin]
assert OmegaConf.get_type(cfg, "none") is None
assert not OmegaConf.is_optional(cfg, "missing")
assert _utils.get_ref_type(cfg, "missing") == module.Plugin
assert OmegaConf.get_type(cfg, "missing") is None
assert not OmegaConf.is_optional(cfg, "plugin")
assert _utils.get_ref_type(cfg, "plugin") == module.Plugin
assert OmegaConf.get_type(cfg, "plugin") == module.Plugin
cfg.plugin = module.ConcretePlugin()
assert not OmegaConf.is_optional(cfg, "plugin")
assert _utils.get_ref_type(cfg, "plugin") == module.Plugin
assert OmegaConf.get_type(cfg, "plugin") == module.ConcretePlugin
assert not OmegaConf.is_optional(cfg, "plugin2")
assert _utils.get_ref_type(cfg, "plugin2") == module.Plugin
assert OmegaConf.get_type(cfg, "plugin2") == module.ConcretePlugin
def test_plugin_merge(self, class_type: str) -> None:
module: Any = import_module(class_type)
plugin = OmegaConf.structured(module.Plugin)
concrete = OmegaConf.structured(module.ConcretePlugin)
ret = OmegaConf.merge(plugin, concrete)
assert ret == concrete
assert OmegaConf.get_type(ret) == module.ConcretePlugin
more_fields = OmegaConf.structured(module.PluginWithAdditionalField)
ret = OmegaConf.merge(plugin, more_fields)
assert ret == more_fields
assert OmegaConf.get_type(ret) == module.PluginWithAdditionalField
def test_native_missing(self, class_type: str) -> None:
module: Any = import_module(class_type)
with pytest.raises(
ValueError,
match=re.escape(
"Missing default value for WithNativeMISSING.num,"
" to indicate default must be populated later use OmegaConf.MISSING"
),
):
OmegaConf.create(module.WithNativeMISSING)