nastra commented on code in PR #9877:
URL: https://github.com/apache/iceberg/pull/9877#discussion_r1514142672
##########
nessie/src/test/java/org/apache/iceberg/nessie/TestNamespace.java:
##########
@@ -132,6 +133,15 @@ public void testSettingProperties() {
.hasMessage("Namespace does not exist: unknown");
}
+ @Test
+ public void testEmptyNamespace() {
+ Assertions.assertThatThrownBy(
+ () -> catalog.createNamespace(Namespace.empty(),
Collections.emptyMap()))
+ .isInstanceOf(IllegalArgumentException.class)
+ .hasMessage("Creating empty namespaces is not supported");
+
Assertions.assertThat(catalog.namespaceExists(Namespace.empty())).isFalse();
Review Comment:
I would also add a check that uses `loadNamespaceMetadata()` directly with
an empty namespace
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