gaborkaszab commented on code in PR #14398:
URL: https://github.com/apache/iceberg/pull/14398#discussion_r2526219409
##########
core/src/test/java/org/apache/iceberg/rest/TestRESTCatalog.java:
##########
@@ -3107,6 +3281,488 @@ public void testCommitStateUnknownNotReconciled() {
.satisfies(ex -> assertThat(((CommitStateUnknownException)
ex).getSuppressed()).isEmpty());
}
+ @Test
+ public void testInvalidTableCacheParameters() {
+ RESTCatalog catalog = new RESTCatalog(config -> new
RESTCatalogAdapter(backendCatalog));
+
+ assertThatThrownBy(
+ () ->
+ catalog.initialize(
+ "test",
Map.of(RESTCatalogProperties.TABLE_CACHE_EXPIRE_AFTER_WRITE_MS, "0")))
+ .isInstanceOf(IllegalArgumentException.class)
+ .hasMessage("Invalid expire after write: zero or negative");
+
+ assertThatThrownBy(
+ () ->
+ catalog.initialize(
+ "test",
Map.of(RESTCatalogProperties.TABLE_CACHE_EXPIRE_AFTER_WRITE_MS, "-1")))
+ .isInstanceOf(IllegalArgumentException.class)
+ .hasMessage("Invalid expire after write: zero or negative");
+
+ assertThatThrownBy(
+ () ->
+ catalog.initialize(
+ "test",
Map.of(RESTCatalogProperties.TABLE_CACHE_MAX_ENTRIES, "-1")))
+ .isInstanceOf(IllegalArgumentException.class)
+ .hasMessage("Invalid max entries: negative");
+ }
+
+ @Test
+ public void testFreshnessAwareLoading() {
+ catalog().createNamespace(TABLE.namespace());
+
+ catalog().createTable(TABLE, SCHEMA);
+
+ Cache<SessionIdTableId, TableWithETag> tableCache =
restCatalog.sessionCatalog().tableCache();
+ assertThat(tableCache.estimatedSize()).isZero();
+
+ expectFullTableLoadForLoadTable(TABLE, adapterForRESTServer);
+
+ BaseTable tableAfterFirstLoad = (BaseTable) catalog().loadTable(TABLE);
+
+ assertThat(tableCache.stats().hitCount()).isZero();
+ assertThat(tableCache.asMap())
+
.containsOnlyKeys(SessionIdTableId.of(DEFAULT_SESSION_CONTEXT.sessionId(),
TABLE));
+
+ expectNotModifiedResponseForLoadTable(TABLE, adapterForRESTServer);
+
+ BaseTable tableAfterSecondLoad = (BaseTable) catalog().loadTable(TABLE);
+
+ assertThat(tableAfterFirstLoad).isNotEqualTo(tableAfterSecondLoad);
+ assertThat(tableAfterFirstLoad.operations().current().location())
+ .isEqualTo(tableAfterSecondLoad.operations().current().location());
+ assertThat(
+ tableCache
+ .asMap()
+ .get(SessionIdTableId.of(DEFAULT_SESSION_CONTEXT.sessionId(),
TABLE))
+ .table()
+ .operations()
+ .current()
+ .metadataFileLocation())
+
.isEqualTo(tableAfterFirstLoad.operations().current().metadataFileLocation());
+
+ Mockito.verify(adapterForRESTServer, times(2))
+ .execute(reqMatcher(HTTPMethod.GET, RESOURCE_PATHS.table(TABLE)),
any(), any(), any());
+ }
+
+ @Test
+ public void testFreshnessAwareLoadingMetadataTables() {
+ catalog().createNamespace(TABLE.namespace());
+
+ catalog().createTable(TABLE, SCHEMA);
+
+ Cache<SessionIdTableId, TableWithETag> tableCache =
restCatalog.sessionCatalog().tableCache();
+ assertThat(tableCache.estimatedSize()).isZero();
+
+ BaseTable table = (BaseTable) catalog().loadTable(TABLE);
+
+ assertThat(tableCache.stats().hitCount()).isZero();
+ assertThat(tableCache.asMap())
+
.containsOnlyKeys(SessionIdTableId.of(DEFAULT_SESSION_CONTEXT.sessionId(),
TABLE));
Review Comment:
No, the cache is empty before calling `loadTable` (and there is an assert
for that too). Checking if the table is in the cache is intentionally performed
after the `loadTable` call.
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