RussellSpitzer commented on a change in pull request #1342:
URL: https://github.com/apache/iceberg/pull/1342#discussion_r470848280
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File path: core/src/test/java/org/apache/iceberg/hadoop/TestStaticTable.java
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@@ -0,0 +1,79 @@
+package org.apache.iceberg.hadoop;
+
+import com.google.common.collect.Iterables;
+import com.google.common.collect.Maps;
+import org.apache.iceberg.HasTableOperations;
+import org.apache.iceberg.MetadataTableType;
+import org.apache.iceberg.StaticTableOperations;
+import org.apache.iceberg.Table;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestStaticTable extends HadoopTableTestBase {
+
+ private Table getStaticTable() {
+ return TABLES.load(((HasTableOperations)
table).operations().current().metadataFileLocation());
+ }
+
+ private Table getStaticTable(MetadataTableType type) {
+ return TABLES.load(((HasTableOperations)
table).operations().current().metadataFileLocation() + "#" + type);
+ }
+
+ @Test
+ public void testLoadFromMetadata() {
+ Table staticTable = getStaticTable();
+ Assert.assertTrue("Loading a metadata file based table should return
StaticTableOperations",
+ ((HasTableOperations) staticTable).operations() instanceof
StaticTableOperations);
+ }
+
+ @Test(expected = UnsupportedOperationException.class)
+ public void testCannotBeAddedTo(){
+ Table staticTable = getStaticTable();
+ staticTable.newOverwrite().addFile(FILE_A).commit();
+ }
+
+ @Test(expected = UnsupportedOperationException.class)
+ public void testCannotBeDeletedFrom(){
+ table.newAppend().appendFile(FILE_A).commit();
+ Table staticTable = getStaticTable();
+ staticTable.newDelete().deleteFile(FILE_A).commit();
+ }
+
+ @Test
+ public void testHasSameProperties(){
+ table.newAppend().appendFile(FILE_A).commit();
+ table.newAppend().appendFile(FILE_B).commit();
+ table.newOverwrite().deleteFile(FILE_B).addFile(FILE_C).commit();
+ Table staticTable = getStaticTable();
+ Assert.assertTrue("Same history?",
+ table.history().containsAll(staticTable.history()));
+ Assert.assertTrue("Same snapshot?",
+ table.currentSnapshot().snapshotId() ==
staticTable.currentSnapshot().snapshotId());
+ Assert.assertTrue("Same properties?",
+ Maps.difference(table.properties(),
staticTable.properties()).areEqual());
+ }
+
+ @Test
+ public void testImmutable() {
+ table.newAppend().appendFile(FILE_A).commit();
+ Table staticTable = getStaticTable();
+ long originalSnapshot = table.currentSnapshot().snapshotId();
+
+ table.newAppend().appendFile(FILE_B).commit();
+ table.newOverwrite().deleteFile(FILE_B).addFile(FILE_C).commit();
+
+ Assert.assertEquals("Snapshot unchanged after table modified",
+ staticTable.currentSnapshot().snapshotId(), originalSnapshot);
+ }
+
+ @Test
+ public void testMetadataTables() {
+ for (MetadataTableType type: MetadataTableType.values()) {
+ String enumName = type.name().replace("_","").toLowerCase();
Review comment:
we are just comparing the ClassName here, so we are comparing
AllDataFilesTable.class with ALL_DATA_FILES
I may be misunderstanding your comment here, I'm just making sure that we
get back the Class with the right name based on the MetadataType we request.
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