"""
Tests for simplified scale strategy configuration.

Verifies that UNIFORM_PAD constant is properly defined
and replaces the old field-specific strategies.
"""

import pytest

from shared.bbox.scale_strategy import UNIFORM_PAD


class TestUniformPad:
    """Tests for UNIFORM_PAD constant."""

    def test_uniform_pad_is_integer(self):
        assert isinstance(UNIFORM_PAD, int)

    def test_uniform_pad_value_is_15(self):
        """15px at 150 DPI provides ~2.5mm real-world padding."""
        assert UNIFORM_PAD == 15

    def test_uniform_pad_is_positive(self):
        assert UNIFORM_PAD > 0