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esphome/tests/component_tests/config_validation/test_config.py

52 lines
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Python

"""
Test schema.extend functionality in esphome.config_validation.
"""
from typing import Any
import esphome.config_validation as cv
def test_config_extend() -> None:
"""Test that schema.extend correctly merges schemas with extras."""
def func1(data: dict[str, Any]) -> dict[str, Any]:
data["extra_1"] = "value1"
return data
def func2(data: dict[str, Any]) -> dict[str, Any]:
data["extra_2"] = "value2"
return data
schema1 = cv.Schema(
{
cv.Required("key1"): cv.string,
}
)
schema1.add_extra(func1)
schema2 = cv.Schema(
{
cv.Required("key2"): cv.string,
}
)
schema2.add_extra(func2)
extended_schema = schema1.extend(schema2)
config = {
"key1": "initial_value1",
"key2": "initial_value2",
}
validated = extended_schema(config)
assert validated["key1"] == "initial_value1"
assert validated["key2"] == "initial_value2"
assert validated["extra_1"] == "value1"
assert validated["extra_2"] == "value2"
# Check the opposite order of extension
extended_schema = schema2.extend(schema1)
validated = extended_schema(config)
assert validated["key1"] == "initial_value1"
assert validated["key2"] == "initial_value2"
assert validated["extra_1"] == "value1"
assert validated["extra_2"] == "value2"