Small test on Compression enum changes

table/src/test/java/tech/ydb/table/impl/BaseSessionTest.java

@@ -0,0 +1,29 @@
+package tech.ydb.table.impl;
+
+import org.junit.Assert;
+
+import tech.ydb.table.description.ColumnFamily;
+
+/**
+ *
+ * @author Aleksandr Gorshenin {@literal <alexandr268@ydb.tech>}
+ */
+public class BaseSessionTest {
+
+    /**
+     * Verifies that the {@link ColumnFamily.Compression} enum declares exactly the expected constants:
+     * {@code COMPRESSION_NONE} and {@code COMPRESSION_LZ4}.
+     * <p>
+     * This check matters because the values are used when mapping to and from the protobuf representation. Any change
+     * to the enum would break this test and signals that
+     * {@link BaseSession#buildColumnFamily(tech.ydb.table.description.ColumnFamily)} and
+     * {@link BaseSession#mapDescribeTable(tech.ydb.core.Result, tech.ydb.table.settings.DescribeTableSettings)}
+     * need to be updated as well.
+     */
+    public void columnFamilyTest() {
+        Assert.assertArrayEquals(new ColumnFamily.Compression[] {
+            ColumnFamily.Compression.COMPRESSION_NONE,
+            ColumnFamily.Compression.COMPRESSION_LZ4
+        }, ColumnFamily.Compression.values());
+    }
+}