zhangfengcdt commented on code in PR #2849:
URL: https://github.com/apache/sedona/pull/2849#discussion_r3125110795
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spark/common/src/test/scala/org/apache/sedona/sql/geography/GeographyFunctionTest.scala:
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@@ -87,6 +87,15 @@ class GeographyFunctionTest extends TestBaseScala {
.first()
assertEquals(3, row.getInt(0))
}
+
+ it("ST_AsText") {
+ val row = sparkSession
+ .sql("SELECT ST_AsText(ST_GeogFromWKT('POINT (1 2)', 4326)) AS wkt")
+ .first()
+ val wkt = row.getString(0)
+ // S2 round-trip may introduce sub-nanometer floating-point drift
+ assertTrue(s"Expected POINT near (1, 2), got: $wkt",
wkt.startsWith("POINT ("))
+ }
Review Comment:
Now, ST_AsText case — parses the WKT and asserts point.getX == 1.0,
point.getY == 2.0 within 1e-9
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