Refactor move tests from ebean-core to ebean-test

ebean-test/src/test/java/org/tests/transaction/TestTransactionCallback.java

@@ -0,0 +1,105 @@
+package org.tests.transaction;
+
+import io.ebean.BaseTestCase;
+import io.ebean.DB;
+import io.ebean.Transaction;
+import io.ebean.TransactionCallbackAdapter;
+import org.junit.jupiter.api.Test;
+
+import javax.persistence.PersistenceException;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+public class TestTransactionCallback extends BaseTestCase {
+
+  int countPreCommit;
+  int countPostCommit;
+  int countPreRollback;
+  int countPostRollback;
+
+  @Test
+  public void test_commitAndRollback() {
+    try (Transaction txn = DB.beginTransaction()) {
+      DB.register(new MyCallback());
+      txn.connection(); // Ebean assumes writes have occurred
+      txn.commit();
+    }
+
+    assertEquals(1, countPreCommit);
+    assertEquals(1, countPostCommit);
+    assertEquals(0, countPreRollback);
+    assertEquals(0, countPostRollback);
+
+    DB.beginTransaction();
+    try {
+      DB.register(new MyCallback());
+    } finally {
+      DB.rollbackTransaction();
+    }
+
+    assertEquals(1, countPreCommit);
+    assertEquals(1, countPostCommit);
+    assertEquals(1, countPreRollback);
+    assertEquals(1, countPostRollback);
+  }
+
+  @Test
+  public void test_commit_whenNoDbWrite() {
+    try (Transaction txn = DB.beginTransaction()) {
+      DB.register(new MyCallback());
+      txn.commit();
+    }
+
+    assertEquals(1, countPreCommit);
+    assertEquals(1, countPostCommit);
+    assertEquals(0, countPreRollback);
+    assertEquals(0, countPostRollback);
+  }
+
+  @Test
+  public void test_rollback_whenNoDbWrite() {
+    try (Transaction txn = DB.beginTransaction()) {
+      DB.register(new MyCallback());
+      txn.rollback();
+    }
+
+    assertEquals(0, countPreCommit);
+    assertEquals(0, countPostCommit);
+    assertEquals(1, countPreRollback);
+    assertEquals(1, countPostRollback);
+  }
+
+  @Test
+  public void test_noActiveTransaction() {
+    assertThrows(PersistenceException.class, () -> DB.register(new MyCallback()));
+  }
+
+  @Test
+  public void test_noActiveTransaction_withDatabase() {
+    assertThrows(PersistenceException.class, () -> DB.getDefault().register(new MyCallback()));
+  }
+
+  class MyCallback extends TransactionCallbackAdapter {
+
+    @Override
+    public void preCommit() {
+      countPreCommit++;
+    }
+
+    @Override
+    public void postCommit() {
+      countPostCommit++;
+    }
+
+    @Override
+    public void preRollback() {
+      countPreRollback++;
+    }
+
+    @Override
+    public void postRollback() {
+      countPostRollback++;
+    }
+  }
+}