add single sync mode testing

Author: the-other-tim-brown

xtable-utilities/src/test/java/org/apache/xtable/utilities/ITRunSync.java

@@ -23,8 +23,10 @@
 import java.io.File;
 import java.io.IOException;
 import java.io.UncheckedIOException;
+import java.net.URI;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.Collections;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -42,6 +44,21 @@
 
 class ITRunSync {
 
+  @Test
+  void testSingleSyncMode(@TempDir Path tempDir) throws IOException {
+    String tableName = "test-table";
+    try (GenericTable table =
+             TestJavaHudiTable.forStandardSchema(
+                 tableName, tempDir, null, HoodieTableType.COPY_ON_WRITE)) {
+      table.insertRows(20);
+      File configFile = writeConfigFile(tempDir, table, tableName);
+      String[] args = new String[] {"--datasetConfig", configFile.getPath()};
+      RunSync.main(args);
+      Path icebergMetadataPath = Paths.get(URI.create(table.getBasePath() + "/metadata"));
+      waitForNumIcebergCommits(icebergMetadataPath, 2);
+    }
+  }
+
   @Test
   void testContinuousSyncMode(@TempDir Path tempDir) throws IOException {
     ExecutorService runner = Executors.newSingleThreadExecutor();
@@ -50,19 +67,7 @@ void testContinuousSyncMode(@TempDir Path tempDir) throws IOException {
         TestJavaHudiTable.forStandardSchema(
             tableName, tempDir, null, HoodieTableType.COPY_ON_WRITE)) {
       table.insertRows(20);
-      RunSync.DatasetConfig config =
-          RunSync.DatasetConfig.builder()
-              .sourceFormat("HUDI")
-              .targetFormats(Collections.singletonList("ICEBERG"))
-              .datasets(
-                  Collections.singletonList(
-                      RunSync.DatasetConfig.Table.builder()
-                          .tableBasePath(table.getBasePath())
-                          .tableName(tableName)
-                          .build()))
-              .build();
-      File configFile = new File(tempDir + "config.yaml");
-      RunSync.YAML_MAPPER.writeValue(configFile, config);
+      File configFile = writeConfigFile(tempDir, table, tableName);
       String[] args = new String[] {"--datasetConfig", configFile.getPath(), "--continuousMode"};
       runner.submit(
           () -> {
@@ -72,17 +77,34 @@ void testContinuousSyncMode(@TempDir Path tempDir) throws IOException {
               throw new UncheckedIOException(ex);
             }
           });
-      Path metadataPath = tempDir.resolve(tableName + "_v1").resolve("metadata");
-      waitForNumIcebergCommits(metadataPath, 2);
+      Path icebergMetadataPath = Paths.get(URI.create(table.getBasePath() + "/metadata"));
+      waitForNumIcebergCommits(icebergMetadataPath, 2);
       // write more data now that table is initialized and data is synced
       table.insertRows(20);
-      waitForNumIcebergCommits(metadataPath, 3);
-      assertEquals(3, numIcebergMetadataJsonFiles(metadataPath));
+      waitForNumIcebergCommits(icebergMetadataPath, 3);
+      assertEquals(3, numIcebergMetadataJsonFiles(icebergMetadataPath));
     } finally {
       runner.shutdownNow();
     }
   }
 
+  private static File writeConfigFile(Path tempDir, GenericTable table, String tableName) throws IOException {
+    RunSync.DatasetConfig config =
+        RunSync.DatasetConfig.builder()
+            .sourceFormat("HUDI")
+            .targetFormats(Collections.singletonList("ICEBERG"))
+            .datasets(
+                Collections.singletonList(
+                    RunSync.DatasetConfig.Table.builder()
+                        .tableBasePath(table.getBasePath())
+                        .tableName(tableName)
+                        .build()))
+            .build();
+    File configFile = new File(tempDir + "config.yaml");
+    RunSync.YAML_MAPPER.writeValue(configFile, config);
+    return configFile;
+  }
+
   @SneakyThrows
   private static void waitForNumIcebergCommits(Path metadataPath, int count) {
     long start = System.currentTimeMillis();