spring-projectsGH-2542 - Ensure correct exception is thrown.

Author: michael-simons

src/test/java/org/springframework/data/neo4j/integration/issues/gh2542/GH2542IT.java

@@ -0,0 +1,97 @@
+/*
+ * Copyright 2011-2022 the original author or authors.
+ *
+ * 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
+ *
+ *      https://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 org.springframework.data.neo4j.integration.issues.gh2542;
+
+import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
+
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import org.neo4j.driver.Driver;
+import org.neo4j.driver.Session;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.dao.DataIntegrityViolationException;
+import org.springframework.data.neo4j.core.DatabaseSelectionProvider;
+import org.springframework.data.neo4j.core.transaction.Neo4jBookmarkManager;
+import org.springframework.data.neo4j.core.transaction.Neo4jTransactionManager;
+import org.springframework.data.neo4j.repository.Neo4jRepository;
+import org.springframework.data.neo4j.repository.config.EnableNeo4jRepositories;
+import org.springframework.data.neo4j.test.BookmarkCapture;
+import org.springframework.data.neo4j.test.Neo4jExtension;
+import org.springframework.data.neo4j.test.Neo4jImperativeTestConfiguration;
+import org.springframework.data.neo4j.test.Neo4jIntegrationTest;
+import org.springframework.transaction.PlatformTransactionManager;
+import org.springframework.transaction.annotation.EnableTransactionManagement;
+
+/**
+ * @author Michael J. Simons
+ */
+@Neo4jIntegrationTest
+class GH2542IT {
+	protected static Neo4jExtension.Neo4jConnectionSupport neo4jConnectionSupport;
+
+	interface TestNodeRepository extends Neo4jRepository<TestNode, Long> {
+	}
+
+	@BeforeAll
+	static void createConstraint() {
+
+		try (Session session = neo4jConnectionSupport.getDriver().session()) {
+			session.run("MATCH (n) DETACH DELETE n");
+			session.run("CREATE CONSTRAINT TNC IF NOT EXISTS ON (tn:TestNode) ASSERT tn.name IS UNIQUE").consume();
+		}
+	}
+
+	@Test // GH2542
+	void shouldThrowDataIntegrityViolationException(@Autowired TestNodeRepository repository) {
+
+		repository.save(new TestNode("Bob"));
+		var secondNode = new TestNode("Bob");
+		assertThatExceptionOfType(DataIntegrityViolationException.class)
+				.isThrownBy(() -> repository.save(secondNode));
+	}
+
+	@Configuration
+	@EnableTransactionManagement
+	@EnableNeo4jRepositories(considerNestedRepositories = true)
+	static class Config extends Neo4jImperativeTestConfiguration {
+
+		@Bean
+		public BookmarkCapture bookmarkCapture() {
+			return new BookmarkCapture();
+		}
+
+		@Override
+		public PlatformTransactionManager transactionManager(
+				Driver driver, DatabaseSelectionProvider databaseNameProvider) {
+
+			BookmarkCapture bookmarkCapture = bookmarkCapture();
+			return new Neo4jTransactionManager(driver, databaseNameProvider,
+					Neo4jBookmarkManager.create(bookmarkCapture));
+		}
+
+		@Bean
+		public Driver driver() {
+			return neo4jConnectionSupport.getDriver();
+		}
+
+		@Override
+		public boolean isCypher5Compatible() {
+			return neo4jConnectionSupport.isCypher5SyntaxCompatible();
+		}
+	}
+}

src/test/java/org/springframework/data/neo4j/integration/issues/gh2542/TestNode.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2011-2022 the original author or authors.
+ *
+ * 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
+ *
+ *      https://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 org.springframework.data.neo4j.integration.issues.gh2542;
+
+import org.springframework.data.neo4j.core.schema.GeneratedValue;
+import org.springframework.data.neo4j.core.schema.Id;
+import org.springframework.data.neo4j.core.schema.Node;
+
+/**
+ * @author Michael J. Simons
+ */
+@Node
+public class TestNode {
+
+	@Id
+	@GeneratedValue
+	private Long id;
+
+	private final String name;
+
+	public TestNode(String name) {
+		this.name = name;
+	}
+
+	public Long getId() {
+		return id;
+	}
+
+	public String getName() {
+		return name;
+	}
+}