more robust tests around null island

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

@@ -56,6 +56,15 @@ SELECT * FROM
     '"us.census.tiger".block_group'
   );
 
+-- gini index at null island
+SELECT * FROM
+  cdb_observatory.OBS_Get(
+    CDB_LatLng(0, 0),
+    Array['"us.census.acs".B19083001']::text[],
+    '2009 - 2013',
+    '"us.census.tiger".block_group'
+  );
+
 -- OBS_GetPoints
 -- obs_getpoints
 -- --------------------
@@ -68,6 +77,14 @@ SELECT
     Array[('total_pop','obs_ab038198aaab3f3cb055758638ee4de28ad70146','sum')::cdb_observatory.OBS_ColumnData]
   );
 
+-- what happens at null island
+SELECT
+  cdb_observatory.OBS_GetPoints(
+    CDB_LatLng(0, 0),
+    'obs_a92e1111ad3177676471d66bb8036e6d057f271b'::text, -- see example in obs_geomtable
+    Array[('total_pop','obs_ab038198aaab3f3cb055758638ee4de28ad70146','sum')::cdb_observatory.OBS_ColumnData]
+  );
+
 -- OBS_GetPolygons
 --   obs_getpolygons
 -- --------------------
@@ -80,12 +97,27 @@ SELECT
     Array[('total_pop','obs_ab038198aaab3f3cb055758638ee4de28ad70146','sum')::OBS_ColumnData]
 );
 
+-- see what happens around null island
+SELECT
+  OBS_GetPolygons(
+    ST_Buffer(CDB_LatLng(0, 0)::geography, 500)::geometry,
+    'obs_a92e1111ad3177676471d66bb8036e6d057f271b'::text, -- see example in obs_geomtable
+    Array[('total_pop','obs_ab038198aaab3f3cb055758638ee4de28ad70146','sum')::OBS_ColumnData]
+);
+
 SELECT * FROM
   cdb_observatory.OBS_GetSegmentSnapshot(
     _TestPoint(),
     '"us.census.tiger".census_tract'
 );
 
+-- segmentation around null island
+SELECT * FROM
+  cdb_observatory.OBS_GetSegmentSnapshot(
+    CDB_LatLng(0, 0),
+    '"us.census.tiger".census_tract'
+);
+
 SELECT * FROM
   cdb_observatory.OBS_GetCategories(
     _TestPoint(),
@@ -93,4 +125,11 @@ SELECT * FROM
     '"us.census.tiger".census_tract'
 );
 
+SELECT * FROM
+  cdb_observatory.OBS_GetCategories(
+    CDB_LatLng(0, 0),
+    Array['"us.census.spielman_singleton_segments".X10'],
+    '"us.census.tiger".census_tract'
+);
+
 \i test/sql/drop_fixtures.sql