def test_map_zoom_change_same():
"""
Test if extent and center of map holds after zoom reset to same value.
"""
center = (11.788137, 46.481832)
zoom = 15
size = 512, 512
map = Map(center=center, zoom=zoom, size=size)
# test preconditions
assert approx((11.788158, 46.481846)) == map.center
assert approx((11.777172, 46.474280, 11.799144, 46.489410)) == map.extent
# reset zoom to the same value
map.zoom = 15
# the center and map extent have not changed
assert approx((11.788158, 46.481846)) == map.center
assert approx((11.777172, 46.474280, 11.799144, 46.489410)) == map.extent
def test_map_zoom_change(self):
"""
Test changing map zoom
"""
extent = 11.785604953765853, 46.48083418203029, 11.790668964386, 46.4828288639531
zoom = 17
map = Map(extent=extent, zoom=zoom)
assert map.size == (472, 270), map.size
assert map.zoom == 17, map.zoom
map.zoom = 16
self.assertEqual((472, 270), map.size)
self.assertEqual(16, map.zoom)
expected = 11.783072, 46.479836, 11.793200, 46.483826
assert approx(expected) == map.extent
self.assertEqual((34913, 23188), map.origin)
self.assertEqual(16, map.zoom)
self.assertEqual((-247, -97), map.offset)
def test_map_zoom_change(self):
"""
Test changing map zoom
"""
extent = 11.785604953765853, 46.48083418203029, 11.790668964386, 46.4828288639531
zoom = 17
map = Map(extent=extent, zoom=zoom)
assert map.size == (472, 270), map.size
assert map.zoom == 17, map.zoom
map.zoom = 16
self.assertEqual((472, 270), map.size)
self.assertEqual(16, map.zoom)
expected = 11.780519, 46.481270, 11.790648, 46.485259
for v1, v2 in zip(expected, map.extent):
self.assertAlmostEqual(v1, v2, 6, map.extent)
self.assertEqual((34913, 23188), map.origin)
self.assertEqual(16, map.zoom)
self.assertEqual((-128, 0), map.offset)
def test_map_zoom_change(self):
"""
Test changing map zoom
"""
extent = 11.785604953765853, 46.48083418203029, 11.790668964386, 46.4828288639531
zoom = 17
map = Map(extent=extent, zoom=zoom)
assert map.size == (472, 270), map.size
assert map.zoom == 17, map.zoom
map.zoom = 16
self.assertEqual((472, 270), map.size)
self.assertEqual(16, map.zoom)
expected = 11.780519, 46.481270, 11.790648, 46.485259
for v1, v2 in zip(expected, map.extent):
self.assertAlmostEqual(v1, v2, 6, map.extent)
self.assertEqual((34913, 23188), map.origin)
self.assertEqual(16, map.zoom)
self.assertEqual((-128, 0), map.offset)
