temporal framework: Tests regarding implicit temporal aggregation

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@71337 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/python/temporal/testsuite/unittests_temporal_raster_algebra_equal_ts.py

@@ -0,0 +1,191 @@
+"""
+(C) 2014 by the GRASS Development Team
+This program is free software under the GNU General Public
+License (>=v2). Read the file COPYING that comes with GRASS
+for details.
+
+:authors: Soeren Gebbert and Thomas Leppelt
+"""
+
+import datetime
+import grass.temporal as tgis
+from grass.gunittest.case import TestCase
+from grass.gunittest.main import test
+
+
+class TestTemporalRasterAlgebraImplicitAggregation(TestCase):
+
+    @classmethod
+    def setUpClass(cls):
+        """Initiate the temporal GIS and set the region
+        """
+        tgis.init(True) # Raise on error instead of exit(1)
+        cls.use_temp_region()
+        cls.runModule("g.region", n=80.0, s=0.0, e=120.0,
+                                       w=0.0, t=1.0, b=0.0, res=10.0)
+
+        cls.runModule("r.mapcalc", overwrite=True, quiet=True, expression="a1 = 1")
+        cls.runModule("r.mapcalc", overwrite=True, quiet=True, expression="a2 = 2")
+        cls.runModule("r.mapcalc", overwrite=True, quiet=True, expression="a3 = 3")
+        cls.runModule("r.mapcalc", overwrite=True, quiet=True, expression="a4 = 4")
+        cls.runModule("r.mapcalc", overwrite=True, quiet=True, expression="singletmap = 100")
+        cls.runModule("r.mapcalc", overwrite=True, quiet=True, expression="singlemap = 1000")
+
+        tgis.open_new_stds(name="A", type="strds", temporaltype="absolute",
+                                         title="A", descr="A", semantic="field", overwrite=True)
+
+        tgis.register_maps_in_space_time_dataset(type="raster", name="A", maps="a1,a2,a3,a4",
+                                                 start="2001-01-01", interval=False)
+        tgis.register_maps_in_space_time_dataset(type="raster", name=None,  maps="singletmap",
+                                                start="2001-01-01")
+
+    def tearDown(self):
+        self.runModule("t.remove", flags="rf", inputs="R", quiet=True)
+
+    @classmethod
+    def tearDownClass(cls):
+        """Remove the temporary region
+        """
+        cls.runModule("t.remove", flags="rf", inputs="A", quiet=True)
+        cls.runModule("t.unregister", maps="singletmap", quiet=True)
+        cls.del_temp_region()
+
+    def test_simple_operator(self):
+        """Test implicit aggregation
+
+        R = A + A
+
+        result with implicit aggregation to:
+
+        r1 = a1 + a1 + a2 + a3 + a4    # 11
+        r2 = a2 + a1 + a2 + a3 + a4    # 12
+        r3 = a3 + a1 + a2 + a3 + a4    # 13
+        r4 = a4 + a1 + a2 + a3 + a4    # 14
+
+        """
+        ta = tgis.TemporalRasterAlgebraParser(run=True, debug=True)
+        ta.parse(expression="R = A + A",   basename="r", overwrite=True)
+
+        D = tgis.open_old_stds("R", type="strds")
+        D.select()
+
+        self.assertEqual(D.metadata.get_number_of_maps(), 4)
+        self.assertEqual(D.metadata.get_min_min(), 11)
+        self.assertEqual(D.metadata.get_max_max(), 14)
+        start, end = D.get_absolute_time()
+        self.assertEqual(start, datetime.datetime(2001, 1, 1))
+        self.assertEqual( D.check_temporal_topology(),  False)
+        self.assertEqual(D.get_granularity(),  None)
+
+    def test_complex_operator(self):
+        """Test implicit aggregation
+
+        R = A {+,equal,l} A
+
+        result with implicit aggregation to:
+
+        r1 = a1 + a1 + a2 + a3 + a4    # 11
+        r2 = a2 + a1 + a2 + a3 + a4    # 12
+        r3 = a3 + a1 + a2 + a3 + a4    # 13
+        r4 = a4 + a1 + a2 + a3 + a4    # 14
+
+        """
+        ta = tgis.TemporalRasterAlgebraParser(run=True, debug=True)
+        ta.parse(expression="R = A {+, equal,l} A",   basename="r", overwrite=True)
+
+        D = tgis.open_old_stds("R", type="strds")
+        D.select()
+
+        self.assertEqual(D.metadata.get_number_of_maps(), 4)
+        self.assertEqual(D.metadata.get_min_min(), 11)
+        self.assertEqual(D.metadata.get_max_max(), 14)
+        start, end = D.get_absolute_time()
+        self.assertEqual(start, datetime.datetime(2001, 1, 1))
+        self.assertEqual( D.check_temporal_topology(),  False)
+        self.assertEqual(D.get_granularity(),  None)
+
+    def test_single_map_complex_operator(self):
+        """Test implicit aggregation
+
+        R = singletmap {+,equal,l} A
+
+        result with implicit aggregation to:
+
+        r1 = singletmap + a1 + a2 + a3 + a4    # 110
+        r2 = singletmap + a1 + a2 + a3 + a4    # 110
+        r3 = singletmap + a1 + a2 + a3 + a4    # 110
+        r4 = singletmap + a1 + a2 + a3 + a4    # 110
+
+        """
+        ta = tgis.TemporalRasterAlgebraParser(run=True, debug=True)
+        ta.parse(expression="R = tmap(singletmap) {+, equal,l} A",   basename="r", overwrite=True)
+
+        D = tgis.open_old_stds("R", type="strds")
+        D.select()
+
+        self.assertEqual(D.metadata.get_number_of_maps(), 1)
+        self.assertEqual(D.metadata.get_min_min(), 110)
+        self.assertEqual(D.metadata.get_max_max(), 110)
+        start, end = D.get_absolute_time()
+        self.assertEqual(start, datetime.datetime(2001, 1, 1))
+        self.assertEqual( D.check_temporal_topology(),  True)
+        self.assertEqual(D.get_granularity(),  None)
+
+    def test_single_map_simple_operator(self):
+        """Test implicit aggregation
+
+        R = singletmap + A
+
+        result with implicit aggregation to:
+
+        r1 = singletmap + a1 + a2 + a3 + a4    # 110
+        r2 = singletmap + a1 + a2 + a3 + a4    # 110
+        r3 = singletmap + a1 + a2 + a3 + a4    # 110
+        r4 = singletmap + a1 + a2 + a3 + a4    # 110
+
+        """
+        ta = tgis.TemporalRasterAlgebraParser(run=True, debug=True)
+        ta.parse(expression="R = tmap(singletmap) + A",   basename="r", overwrite=True)
+
+        D = tgis.open_old_stds("R", type="strds")
+        D.select()
+
+        self.assertEqual(D.metadata.get_number_of_maps(), 1)
+        self.assertEqual(D.metadata.get_min_min(), 110)
+        self.assertEqual(D.metadata.get_max_max(), 110)
+        start, end = D.get_absolute_time()
+        self.assertEqual(start, datetime.datetime(2001, 1, 1))
+        self.assertEqual( D.check_temporal_topology(),  True)
+        self.assertEqual(D.get_granularity(),  None)
+
+    def test_single_map_complex_operator_right_ts(self):
+        """Test implicit aggregation
+
+        TODO: Ist this the correct result? Implicit aggregation and full permutation?
+
+        R = singletmap {+,equal,r} A
+
+        result with implicit aggregation to:
+        r1 = singletmap + a1 + a2 + a3 + a4    # 110
+        r2 = singletmap + a1 + a2 + a3 + a4    # 110
+        r3 = singletmap + a1 + a2 + a3 + a4    # 110
+        r4 = singletmap + a1 + a2 + a3 + a4    # 110
+
+        """
+        ta = tgis.TemporalRasterAlgebraParser(run=True, debug=True)
+        ta.parse(expression="R = tmap(singletmap) {+, equal,r} A",   basename="r", overwrite=True)
+
+        D = tgis.open_old_stds("R", type="strds")
+        D.select()
+
+        self.assertEqual(D.metadata.get_number_of_maps(), 4)
+        self.assertEqual(D.metadata.get_min_min(), 110)
+        self.assertEqual(D.metadata.get_max_max(), 110)
+        start, end = D.get_absolute_time()
+        self.assertEqual(start, datetime.datetime(2001, 1, 1))
+        self.assertEqual( D.check_temporal_topology(),  False)
+        self.assertEqual(D.get_granularity(),  None)
+
+
+if __name__ == '__main__':
+    test()