def test_Extent_from_3857():
x, y = mapping._to_3857(0.2, 0.3)
ex = mapping.Extent.from_centre(0.2, 0.3, xsize=0.1).to_project_3857()
ex1 = mapping.Extent.from_centre_3857(x, y, xsize=0.1)
assert ex1.xrange == pytest.approx(ex.xrange)
assert ex1.yrange == pytest.approx(ex.yrange)
xx, yy = mapping._to_3857(0.25, 0.4)
ex = mapping.Extent.from_3857(x, xx, y, yy)
ex1 = mapping.Extent(0.2, 0.25, 0.3, 0.4).to_project_3857()
assert ex1.xrange == pytest.approx(ex.xrange)
assert ex1.yrange == pytest.approx(ex.yrange)
def test_Extent_projection():
ex = mapping.Extent(0.2, 0.5, 0.3, 0.4)
ex1 = ex.to_project_3857()
ex2 = ex.to_project_web_mercator()
assert_standard_properties(ex)
assert_standard_properties(ex2)
x, y = mapping._to_3857(0.2, 0.3)
xx, yy = mapping._to_3857(0.5, 0.4)
assert ex1.xmin == pytest.approx(x)
assert ex1.xmax == pytest.approx(xx)
assert ex1.width == pytest.approx(xx - x)
assert ex1.xrange == pytest.approx((x, xx))
assert ex1.ymin == pytest.approx(y)
assert ex1.ymax == pytest.approx(yy)
assert ex1.height == pytest.approx(yy - y)
assert ex1.yrange == pytest.approx((yy, y))
assert str(ex1).endswith(" projected as epsg:3857)")
def test_Plotter_plot_epsg(ex, tile_provider, new_image):
ex = ex.to_project_3857()
plot = mapping.Plotter(ex, tile_provider, width=100)
ax = mock.Mock()
plot.plot(ax)
image = new_image.return_value
imshow = imshow_calls_to_list(ax)
assert len(imshow) == 1
tile, extent = imshow[0]
assert tile == image
x, y = mapping._to_3857(0, 0)
xx, yy = mapping._to_3857(1, 0.5)
assert extent == pytest.approx((x, xx, yy, y))
kwargs = ax.set.call_args_list[0][1]
x, y = mapping._to_3857(0.2, 0.3)
xx, yy = mapping._to_3857(0.5, 0.4)
kwargs["xlim"] == pytest.approx((x, xx))
kwargs["ylim"] == pytest.approx((yy, y))