Added Transaction tests

Author: JohannesRabauer

spring-data-eclipse-store/src/test/java/software/xdev/spring/data/eclipse/store/integration/isolated/tests/transactions/Account.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright © 2024 XDEV Software (https://xdev.software)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package software.xdev.spring.data.eclipse.store.integration.isolated.tests.transactions;
+
+import java.math.BigDecimal;
+
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+
+
+public class Account
+{
+	@Id
+	@GeneratedValue(strategy = GenerationType.AUTO)
+	private int id;
+	
+	private BigDecimal balance;
+	
+	public Account(final BigDecimal balance)
+	{
+		this.balance = balance;
+	}
+	
+	public int getId()
+	{
+		return this.id;
+	}
+	
+	public void setId(final int id)
+	{
+		this.id = id;
+	}
+	
+	public BigDecimal getBalance()
+	{
+		return this.balance;
+	}
+	
+	public void setBalance(final BigDecimal balance)
+	{
+		this.balance = balance;
+	}
+}

spring-data-eclipse-store/src/test/java/software/xdev/spring/data/eclipse/store/integration/isolated/tests/transactions/AccountRepository.java

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+/*
+ * Copyright © 2024 XDEV Software (https://xdev.software)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package software.xdev.spring.data.eclipse.store.integration.isolated.tests.transactions;
+
+import org.springframework.data.repository.CrudRepository;
+
+
+public interface AccountRepository extends CrudRepository<Account, Integer>
+{
+}

spring-data-eclipse-store/src/test/java/software/xdev/spring/data/eclipse/store/integration/isolated/tests/transactions/TransactionsTest.java

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+/*
+ * Copyright © 2024 XDEV Software (https://xdev.software)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package software.xdev.spring.data.eclipse.store.integration.isolated.tests.transactions;
+
+import java.math.BigDecimal;
+import java.util.List;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.transaction.PlatformTransactionManager;
+import org.springframework.transaction.support.TransactionTemplate;
+
+import software.xdev.spring.data.eclipse.store.integration.isolated.IsolatedTestAnnotations;
+
+
+@IsolatedTestAnnotations
+@ContextConfiguration(classes = {TransactionsTestConfiguration.class})
+class TransactionsTest
+{
+	private final TransactionsTestConfiguration configuration;
+	// single TransactionTemplate shared amongst all methods in this instance
+	private final TransactionTemplate transactionTemplate;
+	
+	@Autowired
+	public TransactionsTest(
+		final TransactionsTestConfiguration configuration,
+		final PlatformTransactionManager transactionManager)
+	{
+		this.configuration = configuration;
+		this.transactionTemplate = new TransactionTemplate(transactionManager);
+	}
+	
+	@Test
+	void accountTransaction_Working(final AccountRepository repository)
+	{
+		final Account account1 = new Account(BigDecimal.TEN);
+		final Account account2 = new Account(BigDecimal.ZERO);
+		repository.saveAll(List.of(account1, account2));
+		
+		this.transactionTemplate.execute(
+			status ->
+			{
+				account1.setBalance(account1.getBalance().subtract(BigDecimal.ONE));
+				repository.save(account1);
+				
+				account2.setBalance(account2.getBalance().subtract(BigDecimal.ONE));
+				repository.save(account2);
+				return null;
+			}
+		);
+		
+		Assertions.assertEquals(BigDecimal.valueOf(9.0), repository.findById(account1.getId()).get().getBalance());
+		Assertions.assertEquals(BigDecimal.ONE, repository.findById(account2.getId()).get().getBalance());
+	}
+	
+	@Test
+	void accountTransaction_UnexpectedError(final AccountRepository repository)
+	{
+		final Account account1 = new Account(BigDecimal.TEN);
+		final Account account2 = new Account(BigDecimal.ZERO);
+		repository.saveAll(List.of(account1, account2));
+		
+		this.transactionTemplate.execute(
+			status ->
+			{
+				account1.setBalance(account1.getBalance().subtract(BigDecimal.ONE));
+				repository.save(account1);
+				
+				throw new RuntimeException("Unexpected error");
+			}
+		);
+		
+		Assertions.assertEquals(BigDecimal.TEN, repository.findById(account1.getId()).get().getBalance());
+		Assertions.assertEquals(BigDecimal.ZERO, repository.findById(account2.getId()).get().getBalance());
+	}
+}

spring-data-eclipse-store/src/test/java/software/xdev/spring/data/eclipse/store/integration/isolated/tests/transactions/TransactionsTestConfiguration.java

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+/*
+ * Copyright © 2024 XDEV Software (https://xdev.software)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package software.xdev.spring.data.eclipse.store.integration.isolated.tests.transactions;
+
+import org.springframework.context.annotation.Configuration;
+
+import software.xdev.spring.data.eclipse.store.integration.TestConfiguration;
+import software.xdev.spring.data.eclipse.store.repository.config.EnableEclipseStoreRepositories;
+
+
+@Configuration
+@EnableEclipseStoreRepositories(clientConfigurationClass = TransactionsTestConfiguration.class)
+public class TransactionsTestConfiguration extends TestConfiguration
+{
+}