"""
Created on Sun Jun 08 13:44:07 2018

@author: Sanjeet Bhatti
"""

from grass.gunittest.case import TestCase
from grass.gunittest.main import test
from grass.gunittest.gmodules import SimpleModule


class TestRShade(TestCase):
    """Test r.shade script"""

    mapName = "aspect"
    color = "elevation"
    outputMap = "elevation_aspect_shaded"

    @classmethod
    def setUpClass(cls):
        """Create maps in a small region."""
        cls.use_temp_region()
        cls.runModule("g.region", raster=cls.mapName, flags="p")

    @classmethod
    def tearDownClass(cls):
        """Remove temporary region"""
        cls.runModule("g.remove", flags="f", type="raster", name=cls.outputMap)
        cls.del_temp_region()

    def test_shade_map(self):
        """Generates a color raster map over shaded relief map test"""
        module = SimpleModule(
            "r.shade", shade=self.mapName, color=self.color, output=self.outputMap
        )
        self.assertModule(module)

        self.assertRasterExists(self.outputMap)


if __name__ == "__main__":
    test()