"""Unit tests for input size limits covering scenarios IN-001 to IN-015."""

import pytest

from src.runtime.core.limits import InputSizeExceededError, validate_input_size


def test_input_size_valid_within_limit():
    content = "Hello world! This is a valid input article payload."
    size = validate_input_size(content, max_bytes=1000)
    assert size == len(content.encode("utf-8"))


def test_input_size_exceeded_raises_error():
    content = "x" * 2000
    with pytest.raises(InputSizeExceededError) as exc_info:
        validate_input_size(content, max_bytes=1000)
    assert exc_info.value.actual_bytes == 2000
    assert exc_info.value.max_bytes == 1000
    assert exc_info.value.error_code == "INVALID_ARTICLE_SCHEMA"