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Add flinger test.

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This commit is contained in:
Sergey Vartanov 2021-05-29 15:36:03 +03:00
parent a899706923
commit 867001d797
4 changed files with 49 additions and 5 deletions
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32
test/test_flinger.py Normal file
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"""
Test coordinates computation.
"""
import numpy as np
from roentgen.flinger import (
pseudo_mercator,
osm_zoom_level_to_pixels_per_meter,
)
__author__ = "Sergey Vartanov"
__email__ = "me@enzet.ru"
def test_pseudo_mercator() -> None:
"""
Test pseudo-Mercator projection.
"""
assert np.allclose(pseudo_mercator(np.array((0, 0))), np.array((0, 0)))
assert np.allclose(pseudo_mercator(np.array((0, 10))), np.array((10, 0)))
assert np.allclose(
pseudo_mercator(np.array((10, 0))), np.array((0, 10.05115966))
)
def test_osm_zoom_level_to_pixels_per_meter() -> None:
"""
Test scale computation.
"""
assert np.allclose(
osm_zoom_level_to_pixels_per_meter(18), 1.6759517949045808
)