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"""Tests for EnergyZero exceptions."""
from energyzero.exceptions import EnergyZeroConnectionError, EnergyZeroNoDataError
def test_connection_error_prefers_explicit_message() -> None:
"""Ensure explicit messages are preserved."""
err = EnergyZeroConnectionError(message="Boom")
assert str(err) == "Boom"
assert err.data is None
assert err.status is None
def test_connection_error_uses_payload_message() -> None:
"""Ensure API payload message is surfaced."""
payload = {"message": "payload failure"}
err = EnergyZeroConnectionError(data=payload, status=404)
assert str(err) == "payload failure"
assert err.data == payload
assert err.status == 404
def test_connection_error_status_fallback() -> None:
"""Ensure HTTP status fallback is used."""
err = EnergyZeroConnectionError(status=500)
assert str(err) == "Error occurred while communicating with the API. (HTTP 500)"
def test_connection_error_empty_payload_message_uses_status() -> None:
"""Ensure empty payload messages fall back to HTTP status."""
payload = {"message": ""}
err = EnergyZeroConnectionError(data=payload, status=502)
assert str(err) == "Error occurred while communicating with the API. (HTTP 502)"
def test_no_data_error_default_message() -> None:
"""Ensure EnergyZeroNoDataError has a helpful default."""
err = EnergyZeroNoDataError()
assert str(err) == "No data available for the requested period."
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