petern48 commented on code in PR #267:
URL: https://github.com/apache/sedona-db/pull/267#discussion_r2484174734
##########
python/sedonadb/tests/functions/test_transforms.py:
##########
@@ -93,3 +93,32 @@ def test_st_crs_sedonadb(eng):
"SELECT ST_CRS(ST_SetCrs(ST_GeomFromText('POINT (1 1)'), NULL))",
None,
)
+
+
[email protected]("eng", [SedonaDB, PostGIS])
[email protected](
+ ("geom", "dx", "dy", "expected"),
+ [
+ (None, None, None, None),
Review Comment:
```suggestion
(None, None, None, None),
(None, 1.0, 2.0, None),
```
nit: While I don't think it's necessary to test every single combination of
nulls, I think it's nice to at least have a case for each arg where *only* that
arg is null, so we know that arg on it's own is enough to trigger a null
output. There are currently cases for only dx null, only dy null, but not "only
geometry null" (which I'd guess is the most likely case).
##########
python/sedonadb/tests/functions/test_transforms.py:
##########
@@ -93,3 +93,32 @@ def test_st_crs_sedonadb(eng):
"SELECT ST_CRS(ST_SetCrs(ST_GeomFromText('POINT (1 1)'), NULL))",
None,
)
+
+
[email protected]("eng", [SedonaDB, PostGIS])
[email protected](
+ ("geom", "dx", "dy", "expected"),
+ [
+ (None, None, None, None),
+ ("POINT (0 1)", 1.0, None, None),
+ ("POINT (0 1)", None, 2.0, None),
+ # WKT output of geoarrow-c is causing this (both correctly output
+ # empties)
+ ("POINT EMPTY", 1.0, 2.0, "POINT (nan nan)"),
+ ("POINT Z EMPTY", 1.0, 2.0, "POINT Z (nan nan nan)"),
+ ("POINT (0 1)", 1.0, 2.0, "POINT (1 3)"),
+ ("POINT Z (0 1 2)", 1.0, 2.0, "POINT Z (1 3 2)"),
+ ("LINESTRING EMPTY", 1.0, 2.0, "LINESTRING EMPTY"),
Review Comment:
optional: A few cases that aren't tested anywhere (in python or rust). I
don't think any would fail, but I think some would be nice to test.
Particularly non-point geoms, so it's clear it works on them too. Personally, I
often look at tests to see how I can use a function when documentation isn't
specific enough.
- geometry arg
- non-empty geometries other than POINT (e.g polygon, multi-*)
- any `M` dimension
- dx/dy arg
- zero or negative
- integers (inspired by this https://github.com/apache/sedona-db/pull/32)
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