Merge remote-tracking branch 'ebean/master' into feature/inheritance

src/test/java/com/avaje/tests/batchinsert/TestBatchOnCascadeExceptionHandling.java

@@ -0,0 +1,105 @@
+package com.avaje.tests.batchinsert;
+
+import com.avaje.ebean.BaseTestCase;
+import com.avaje.ebean.Ebean;
+import com.avaje.ebean.EbeanServer;
+import com.avaje.ebean.Transaction;
+import com.avaje.ebean.config.PersistBatch;
+import com.avaje.ebeaninternal.api.SpiTransaction;
+import com.avaje.ebeaninternal.server.persist.BatchControl;
+import com.avaje.tests.model.basic.EBasicWithUniqueCon;
+import com.avaje.tests.model.basic.EOptOneB;
+import com.avaje.tests.model.basic.EOptOneC;
+import javax.persistence.PersistenceException;
+import java.sql.SQLException;
+import java.sql.Savepoint;
+import org.assertj.core.api.Assertions;
+import org.junit.Test;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.StrictAssertions.assertThat;
+
+public class TestBatchOnCascadeExceptionHandling extends BaseTestCase {
+
+  @Test
+  public void testBatchScenarioWithSavepoint() throws SQLException {
+    EbeanServer server = Ebean.getDefaultServer();
+    Transaction txn = server.beginTransaction();
+    try {
+      server.save(createEntityWithName("before-savepoint"));
+      txn.flushBatch();
+      Savepoint sp = txn.getConnection().setSavepoint();
+      try {
+        server.save(createEntityWithName("confict"));
+        server.save(createEntityWithName("confict")); // unique key violation
+      } catch (PersistenceException e) {
+        txn.getConnection().rollback(sp);
+        server.save(createEntityWithName("after-savepoint"));
+      }
+
+      txn.commit();
+    } finally {
+      txn.end();
+    }
+
+    assertThat(server.find(EBasicWithUniqueCon.class).where().eq("name", "before-savepoint").findList()).isNotEmpty();
+    assertThat(server.find(EBasicWithUniqueCon.class).where().eq("name", "after-savepoint").findList()).isNotEmpty();
+    assertThat(server.find(EBasicWithUniqueCon.class).where().eq("name", "confict").findList()).isEmpty();
+  }
+
+  @Test
+  public void testBatchedInsertFailure() {
+    final EbeanServer server = Ebean.getDefaultServer();
+    server.save(createEntityWithName("foo"));
+    testBatchOnCascadeIsExceptionSafe(server, () -> {
+      server.save(createEntityWithName("foo")); // duplicate name on insert
+    });
+  }
+
+  @Test
+  public void testBatchedUpdateFailure() {
+    final EbeanServer server = Ebean.getDefaultServer();
+    server.save(createEntityWithName("bla"));
+    final EBasicWithUniqueCon bar = createEntityWithName("bar");
+    server.save(bar);
+    testBatchOnCascadeIsExceptionSafe(server, () -> {
+      bar.setName("bla");
+      server.save(bar); // duplicate name on update
+    });
+  }
+
+  @Test
+  public void testBatchedDeleteFailure() {
+    final EbeanServer server = Ebean.getDefaultServer();
+    final EOptOneC c = new EOptOneC();
+    server.save(c);
+    final EOptOneB b = new EOptOneB();
+    b.setC(c);
+    server.save(b);
+    testBatchOnCascadeIsExceptionSafe(server, () -> {
+      server.delete(c); // foreign key violation
+    });
+  }
+
+  protected void testBatchOnCascadeIsExceptionSafe(EbeanServer server, Runnable failingOperation) {
+    Transaction txn = server.beginTransaction();
+    assertThat(txn.getBatch()).isSameAs(PersistBatch.NONE);
+    assertThat(txn.getBatchOnCascade()).isSameAs(PersistBatch.ALL);
+
+    try {
+      failingOperation.run();
+      Assertions.fail("PersistenceException expected");
+    } catch (PersistenceException e) {
+      assertThat(txn.getBatch()).as("batch mode").isSameAs(PersistBatch.NONE); // should not have changed
+      BatchControl bc = ((SpiTransaction) txn).getBatchControl();
+      assertThat(bc == null || bc.isEmpty()).as("batch emtpy").isTrue();
+    } finally {
+      txn.end();
+    }
+  }
+
+  protected EBasicWithUniqueCon createEntityWithName(String name) {
+    EBasicWithUniqueCon it = new EBasicWithUniqueCon();
+    it.setName(name);
+    return it;
+  }
+}