r.out.gdal: adds basic unit tests

raster/r.out.gdal/testsuite/test_r_out_gdal.py

@@ -0,0 +1,109 @@
+"""Test of r.out.gdal
+@author Luís Moreira de Sousa
+"""
+
+from pathlib import Path
+from grass.gunittest.case import TestCase
+
+
+class TestOgrExport(TestCase):
+
+    # Vector map in NC test dataset
+    test_map = "boundary_county_500m"
+
+    # Result of import tests
+    temp_import = "test_gdal_import_map"
+
+    # Output of r.univar
+    univar_string = """n=60020100
+null_cells=0
+cells=60020100
+min=37
+max=183
+range=146
+mean=120.311390684121
+mean_of_abs=120.311390684121
+stddev=52.7291612829331
+variance=2780.36444960157
+coeff_var=43.8272394518107
+sum=7221101700
+"""
+
+    @classmethod
+    def setUpClass(cls):
+        """Use temporary region settings"""
+        cls.use_temp_region()
+
+    @classmethod
+    def tearDownClass(cls):
+        """!Remove the temporary region"""
+        cls.del_temp_region()
+
+    def tearDown(self):
+        self.runModule(
+            "g.remove", type="raster", flags="f", pattern=f"{self.temp_import}*"
+        )
+        for p in Path(".").glob(f"{self.test_map}*"):
+            p.unlink()
+
+    def test_gpkg_format(self):
+        """Tests output to GeoPackage format"""
+
+        self.assertModule(
+            "r.out.gdal",
+            "Export to GeoPackage Format",
+            input=self.test_map,
+            output=f"{self.test_map}.gpkg",
+            format="GPKG",
+            type="Int16",
+            flags="f",
+        )
+
+        # Import back to verify
+        self.runModule(
+            "r.in.gdal",
+            input=f"{self.test_map}.gpkg",
+            output=self.temp_import,
+        )
+
+        self.runModule("g.region", raster=self.temp_import)
+
+        self.assertRasterFitsUnivar(
+            raster=self.temp_import,
+            reference=self.univar_string,
+            precision=1e-8,
+        )
+
+    def test_gtiff_format(self):
+        """Tests output to GeoTiff format"""
+
+        self.assertModule(
+            "r.out.gdal",
+            "Export to GeoTiff Format",
+            input=self.test_map,
+            output=f"{self.test_map}.gtiff",
+            format="GTiff",
+            type="Int16",
+            flags="fc",
+        )
+
+        # Import back to verify
+        self.runModule(
+            "r.in.gdal",
+            input=f"{self.test_map}.gtiff",
+            output=self.temp_import,
+        )
+
+        self.runModule("g.region", raster=self.temp_import)
+
+        self.assertRasterFitsUnivar(
+            raster=self.temp_import,
+            reference=self.univar_string,
+            precision=1e-8,
+        )
+
+
+if __name__ == "__main__":
+    from grass.gunittest.main import test
+
+    test()