sreejasahithi commented on code in PR #10189:
URL: https://github.com/apache/ozone/pull/10189#discussion_r3190747548
##########
hadoop-ozone/iceberg/src/test/java/org/apache/hadoop/ozone/iceberg/TestRewriteTablePathOzoneAction.java:
##########
@@ -188,6 +191,51 @@ void tablePathRewriteForStartAndEndVersionProvided()
throws Exception {
assertAllInternalPathsRewritten(csvPairs, targetPrefix);
}
+ @Test
+ void statsFileCopyPlanReturnsEmptySetForEmptyStats() {
+ Set<Pair<String, String>> copyPlan =
+ RewriteTablePathOzoneUtils.statsFileCopyPlan(List.of(), List.of());
+
+ assertTrue(copyPlan.isEmpty());
+ }
+
+ @Test
+ void statsFileCopyPlanRejectsMismatchedStatsCount() {
+ IllegalArgumentException exception =
assertThrows(IllegalArgumentException.class,
+ () -> RewriteTablePathOzoneUtils.statsFileCopyPlan(
+ List.of(statisticsFile("before-1.puffin", 100)),
+ List.of()));
+
+ assertEquals("Before and after path rewrite, statistic files count should
be same",
+ exception.getMessage());
+ }
Review Comment:
statistics files always have the `.stats` extension in real usage and
`.puffin` is the extension used for Deletion Vector files (*-deletes.puffin).
While the test works with any string since statsFileCopyPlan never validates
the extension, using `.puffin` is misleading. Should be `.stats`
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