nastra commented on code in PR #14113:
URL: https://github.com/apache/iceberg/pull/14113#discussion_r2364025070
##########
bigquery/src/test/java/org/apache/iceberg/gcp/bigquery/TestBigQueryCatalog.java:
##########
@@ -144,9 +154,61 @@ public void createTableTransaction(int formatVersion) {
@Test
public void testCreateTableWithDefaultColumnValue() {}
- @Disabled("BigQuery Metastore does not support multi layer namespaces")
@Test
- public void testLoadMetadataTable() {}
+ public void testLoadMetadataTable() {
+
+ // Create a spy of the catalog to verify method calls
+ BigQueryMetastoreCatalog spyCatalog = spy(catalog);
+
+ // Create mock objects
+ TableOperations mockOps = Mockito.mock(TableOperations.class);
+ TableMetadata mockMetadata = Mockito.mock(TableMetadata.class);
+ Table mockMetadataTable = Mockito.mock(Table.class);
+
+ // Mock the table operations to return metadata (indicating base table
exists)
+ when(mockOps.current()).thenReturn(mockMetadata);
+
+ // Create the expected base table identifier that will be extracted from
the metadata table
+ // identifier
+ TableIdentifier expectedBaseTableId = TableIdentifier.of("dataset1",
"table1");
+ when(spyCatalog.newTableOps(expectedBaseTableId)).thenReturn(mockOps);
+
+ // Use MockedStatic to mock the static
MetadataTableUtils.createMetadataTableInstance call
+ try (MockedStatic<MetadataTableUtils> mockedUtils =
+ Mockito.mockStatic(MetadataTableUtils.class)) {
+ mockedUtils
+ .when(
+ () ->
+ MetadataTableUtils.createMetadataTableInstance(
+ any(TableOperations.class),
+ any(String.class),
+ any(TableIdentifier.class),
+ any(TableIdentifier.class),
+ any()))
+ .thenReturn(mockMetadataTable);
+
+ // Create a metadata table identifier
+ TableIdentifier metadataTableId =
+ TableIdentifier.of(Namespace.of("dataset1", "table1"), "partitions");
+
+ // Call loadTable which should trigger the metadata table loading path
+ Table result = spyCatalog.loadTable(metadataTableId);
+
+ // Verify that MetadataTableUtils.createMetadataTableInstance was called
+ // This confirms that loadMetadataTable path was taken
+ mockedUtils.verify(
+ () ->
+ MetadataTableUtils.createMetadataTableInstance(
+ any(TableOperations.class),
+ any(String.class),
+ any(TableIdentifier.class),
+ any(TableIdentifier.class),
+ any()));
+
+ // Verify the result is the mocked metadata table
+ assertThat(result).isSameAs(mockMetadataTable);
+ }
+ }
Review Comment:
```suggestion
```
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