# Created: 06.2020
# Copyright (c) 2020, Matthew Broadway
# License: MIT License
import pytest

plt = pytest.importorskip('matplotlib.pyplot')

from ezdxf.addons.drawing.matplotlib import MatplotlibBackend


@pytest.fixture()
def backend():
    fig, ax = plt.subplots()
    return MatplotlibBackend(ax)


def test_get_text_width(backend):
    assert backend.get_text_line_width('   abc', 100) > backend.get_text_line_width('abc', 100)
    assert backend.get_text_line_width('  abc ', 100) == backend.get_text_line_width('  abc', 100)
    assert backend.get_text_line_width('   ', 100) == 0
    assert backend.get_text_line_width('  ', 100) == 0
