python/tests/raster_viz_utils/test_sedonautils.py

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from tests import world_map_raster_input_location
from tests.test_base import TestBase

from sedona.spark import SedonaUtils


class TestSedonaUtils(TestBase):
    def test_display_image(self):
        raster_bin_df = self.spark.read.format("binaryFile").load(
            world_map_raster_input_location
        )
        raster_bin_df.createOrReplaceTempView("raster_binary_table")
        raster_df = self.spark.sql(
            "SELECT RS_FromGeotiff(content) as raster from raster_binary_table"
        )
        raster_image_df = raster_df.selectExpr("RS_AsImage(raster) as rast_img")
        html_call = SedonaUtils.display_image(raster_image_df)
        assert (
            html_call is None
        )  # just test that this function was called and returned no output