tests for getpopulation

src/pg/test/expected/41_observatory_augmentation_test.out

@@ -101,6 +101,16 @@ Done.
  {"name" : "total_pop", "value" : 1655}
 (1 row)
 
+ obs_getpopulation 
+-------------------
+  9516.27915900609
+(1 row)
+
+ obs_getpopulation 
+-------------------
+  12140.2484103572
+(1 row)
+
 Dropping obs_table.sql fixture table...
 Done.
 Dropping obs_column.sql fixture table...

src/pg/test/sql/41_observatory_augmentation_test.sql

@@ -139,5 +139,16 @@ SELECT * FROM
     '"us.census.acs".B01001001'
 );
 
+-- Point-based OBS_GetPopulation, default normalization (area)
+SELECT * FROM
+  cdb_observatory.OBS_GetPopulation(
+    cdb_observatory._TestPoint()
+  );
+
+-- Poly-based OBS_GetPopulation, default normalization (none)
+SELECT * FROM
+  cdb_observatory.OBS_GetPopulation(
+    cdb_observatory._TestArea()
+  );
 
 \i test/sql/drop_fixtures.sql