more robust tests around null island

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

@@ -56,9 +56,19 @@ Done.
  {gini_index} | {0.3494}
 (1 row)
 
+    names     | vals 
+--------------+------
+ {gini_index} | {}
+(1 row)
+
    obs_getpoints    
 --------------------
  {4809.33380072727}
+(1 row)
+
+ obs_getpoints 
+---------------
+ 
 (1 row)
 
   obs_getpolygons   
@@ -66,16 +76,31 @@ Done.
  {1570.72353789469}
 (1 row)
 
+ obs_getpolygons 
+-----------------
+ {NULL}
+(1 row)
+
         segment_name         | total_pop_quantile | male_pop_quantile | female_pop_quantile | median_age_quantile | white_pop_quantile | black_pop_quantile | asian_pop_quantile | hispanic_pop_quantile | not_us_citizen_pop_quantile | workers_16_and_over_quantile | commuters_by_car_truck_van_quantile | commuters_by_public_transportation_quantile | commuters_by_bus_quantile | commuters_by_subway_or_elevated_quantile | walked_to_work_quantile | worked_at_home_quantile | children_quantile  | households_quantile | population_3_years_over_quantile | in_school_quantile | in_grades_1_to_4_quantile | in_grades_5_to_8_quantile | in_grades_9_to_12_quantile | in_undergrad_college_quantile | pop_25_years_over_quantile | high_school_diploma_quantile | bachelors_degree_quantile | masters_degree_quantile | pop_5_years_over_quantile | speak_only_english_at_home_quantile | speak_spanish_at_home_quantile | pop_determined_poverty_status_quantile | poverty_quantile  | median_income_quantile | gini_index_quantile | income_per_capita_quantile | housing_units_quantile | vacant_housing_units_quantile | vacant_housing_units_for_rent_quantile | vacant_housing_units_for_sale_quantile | median_rent_quantile | percent_income_spent_on_rent_quantile | owner_occupied_housing_units_quantile | million_dollar_housing_units_quantile 
 -----------------------------+--------------------+-------------------+---------------------+---------------------+--------------------+--------------------+--------------------+-----------------------+-----------------------------+------------------------------+-------------------------------------+---------------------------------------------+---------------------------+------------------------------------------+-------------------------+-------------------------+--------------------+---------------------+----------------------------------+--------------------+---------------------------+---------------------------+----------------------------+-------------------------------+----------------------------+------------------------------+---------------------------+-------------------------+---------------------------+-------------------------------------+--------------------------------+----------------------------------------+-------------------+------------------------+---------------------+----------------------------+------------------------+-------------------------------+----------------------------------------+----------------------------------------+----------------------+---------------------------------------+---------------------------------------+---------------------------------------
  Wealthy, urban without Kids |  0.234783783783784 | 0.422405405405405 |  0.0987567567567568 |              0.0715 |  0.295310810810811 |  0.407189189189189 |  0.625608108108108 |     0.795202702702703 |           0.703797297297297 |             0.59227027027027 |                  0.0180540540540541 |                           0.993756756756757 |         0.728162162162162 |                        0.995972972972973 |       0.929135135135135 |       0.625432432432432 | 0.0386081081081081 |   0.157121621621622 |                0.241878378378378 |  0.173783783783784 |        0.0380675675675676 |        0.0308108108108108 |         0.0486216216216216 |             0.479743243243243 |          0.297675675675676 |            0.190351351351351 |         0.802513513513514 |       0.757148648648649 |         0.255405405405405 |                   0.196094594594595 |              0.816851351351351 |                      0.252513513513514 | 0.560054054054054 |      0.777472972972973 |   0.336932432432432 |          0.655378378378378 |      0.141810810810811 |             0.362824324324324 |                      0.463837837837838 |                                      0 |    0.939040540540541 |                     0.419445945945946 |                    0.0387972972972973 |                                     0
 (1 row)
 
+ segment_name | total_pop_quantile | male_pop_quantile | female_pop_quantile | median_age_quantile | white_pop_quantile | black_pop_quantile | asian_pop_quantile | hispanic_pop_quantile | not_us_citizen_pop_quantile | workers_16_and_over_quantile | commuters_by_car_truck_van_quantile | commuters_by_public_transportation_quantile | commuters_by_bus_quantile | commuters_by_subway_or_elevated_quantile | walked_to_work_quantile | worked_at_home_quantile | children_quantile | households_quantile | population_3_years_over_quantile | in_school_quantile | in_grades_1_to_4_quantile | in_grades_5_to_8_quantile | in_grades_9_to_12_quantile | in_undergrad_college_quantile | pop_25_years_over_quantile | high_school_diploma_quantile | bachelors_degree_quantile | masters_degree_quantile | pop_5_years_over_quantile | speak_only_english_at_home_quantile | speak_spanish_at_home_quantile | pop_determined_poverty_status_quantile | poverty_quantile | median_income_quantile | gini_index_quantile | income_per_capita_quantile | housing_units_quantile | vacant_housing_units_quantile | vacant_housing_units_for_rent_quantile | vacant_housing_units_for_sale_quantile | median_rent_quantile | percent_income_spent_on_rent_quantile | owner_occupied_housing_units_quantile | million_dollar_housing_units_quantile 
+--------------+--------------------+-------------------+---------------------+---------------------+--------------------+--------------------+--------------------+-----------------------+-----------------------------+------------------------------+-------------------------------------+---------------------------------------------+---------------------------+------------------------------------------+-------------------------+-------------------------+-------------------+---------------------+----------------------------------+--------------------+---------------------------+---------------------------+----------------------------+-------------------------------+----------------------------+------------------------------+---------------------------+-------------------------+---------------------------+-------------------------------------+--------------------------------+----------------------------------------+------------------+------------------------+---------------------+----------------------------+------------------------+-------------------------------+----------------------------------------+----------------------------------------+----------------------+---------------------------------------+---------------------------------------+---------------------------------------
+              |                    |                   |                     |                     |                    |                    |                    |                       |                             |                              |                                     |                                             |                           |                                          |                         |                         |                   |                     |                                  |                    |                           |                           |                            |                               |                            |                              |                           |                         |                           |                                     |                                |                                        |                  |                        |                     |                            |                        |                               |                                        |                                        |                      |                                       |                                       |                                      
+(1 row)
+
    names   |                          categories                           
 -----------+---------------------------------------------------------------
  {X10,x10} | {"Wealthy, urban without Kids","Wealthy, urban without Kids"}
 (1 row)
 
+   names   | categories 
+-----------+------------
+ {X10,x10} | 
+(1 row)
+
 Dropping obs_table.sql fixture table...
 Done.
 Dropping obs_column.sql fixture table...

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