nastra commented on code in PR #10861:
URL: https://github.com/apache/iceberg/pull/10861#discussion_r1718128857
##########
core/src/test/java/org/apache/iceberg/TestFormatVersions.java:
##########
@@ -23,56 +23,95 @@
import java.util.Arrays;
import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
import org.junit.jupiter.api.TestTemplate;
public class TestFormatVersions extends TestBase {
@Parameters(name = "formatVersion = {0}")
protected static List<Object> parameters() {
- return Arrays.asList(1);
+ return Arrays.asList(1, 2);
}
@TestTemplate
public void testDefaultFormatVersion() {
- assertThat(table.ops().current().formatVersion()).isEqualTo(1);
+ assertThat(table.ops().current().formatVersion()).isEqualTo(formatVersion);
}
@TestTemplate
public void testFormatVersionUpgrade() {
TableOperations ops = table.ops();
- TableMetadata base = ops.current();
- ops.commit(base, base.upgradeToFormatVersion(2));
+ int newFormatVersion = formatVersion + 1;
+
+ TableMetadata newTableMetadata =
ops.current().upgradeToFormatVersion(newFormatVersion);
+
+ assertThat(
+ newTableMetadata.changes().stream()
+ .filter(MetadataUpdate.UpgradeFormatVersion.class::isInstance)
+ .map(MetadataUpdate.UpgradeFormatVersion.class::cast)
+ .map(MetadataUpdate.UpgradeFormatVersion::formatVersion))
+ .containsExactly(newFormatVersion);
+
+ ops.commit(ops.current(), newTableMetadata);
- assertThat(ops.current().formatVersion()).isEqualTo(2);
+ assertThat(ops.current().formatVersion()).isEqualTo(newFormatVersion);
+ }
+
+ @TestTemplate
+ public void testFormatVersionUpgradeToLatest() {
+ TableOperations ops = table.ops();
+ int newFormatVersion = TableMetadata.SUPPORTED_TABLE_FORMAT_VERSION;
+
+ TableMetadata newTableMetadata =
ops.current().upgradeToFormatVersion(newFormatVersion);
+
+ // check that non-incremental updates are syntactic sugar for serial
updates. E.g. upgrading
+ // from V1 to V3 will register changes in the table metadata for upgrading
to V2 and V3 in
+ // order (V1->V2->V3)
+ assertThat(
Review Comment:
based on my last comment in
https://github.com/apache/iceberg/pull/10861/files#r1718122028 around
supporting a direct 1 -> 3 upgrade I believe you only need to remove this check
here (or adjust it to only verify that there's a single
`MetadataUpdate.UpgradeFormatVersion` instance if you prefer that). Given that
the new format version in this test always points to 3, everything else in this
test is still valid, so you don't really need to change much in terms of testing
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