HHH-19183 Add NamingHelper tests

Author: marko-bekhta

hibernate-core/src/test/java/org/hibernate/orm/test/bootstrap/binding/naming/NamingHelperTest.java

@@ -0,0 +1,91 @@
+/*
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ * Copyright Red Hat Inc. and Hibernate Authors
+ */
+package org.hibernate.orm.test.bootstrap.binding.naming;
+
+import org.hibernate.boot.model.naming.Identifier;
+import org.hibernate.boot.model.naming.NamingHelper;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import java.nio.charset.StandardCharsets;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class NamingHelperTest {
+
+	@ParameterizedTest
+	@MethodSource("args")
+	void smoke(String charset, String prefix, String tableName, String referencedTableName, List<String> columnNames, String expectedFkName, String expectedConstraintName) {
+		assertThat( NamingHelper.withCharset( charset )
+				.generateHashedFkName(
+						prefix,
+						Identifier.toIdentifier( tableName ),
+						Identifier.toIdentifier( referencedTableName ),
+						columnNames.stream().map( Identifier::toIdentifier )
+								.collect( Collectors.toUnmodifiableList() ) ) )
+				.isEqualTo( expectedFkName );
+
+		assertThat( NamingHelper.withCharset( charset )
+				.generateHashedFkName(
+						prefix,
+						Identifier.toIdentifier( tableName ),
+						Identifier.toIdentifier( referencedTableName ),
+						columnNames.stream().map( Identifier::toIdentifier )
+								.toArray( Identifier[]::new ) ) )
+				.isEqualTo( expectedFkName );
+
+		assertThat( NamingHelper.withCharset( charset )
+				.generateHashedConstraintName(
+						prefix,
+						Identifier.toIdentifier( tableName ),
+						columnNames.stream().map( Identifier::toIdentifier )
+								.collect( Collectors.toUnmodifiableList() ) ) )
+				.isEqualTo( expectedConstraintName );
+
+		assertThat( NamingHelper.withCharset( charset )
+				.generateHashedConstraintName(
+						prefix,
+						Identifier.toIdentifier( tableName ),
+						columnNames.stream().map( Identifier::toIdentifier )
+								.toArray( Identifier[]::new ) ) )
+				.isEqualTo( expectedConstraintName );
+	}
+
+	private static Stream<Arguments> args() {
+		// String charset, String prefix, String tableName, String referencedTableName,
+		// List<String> columnNames, String expectedFkName, String expectedConstraintName
+		return Stream.of(
+				Arguments.of(
+						StandardCharsets.UTF_8.name(),
+						"fk_", "table_name", "other_table_name", List.of( "col1", "col2", "col3" ),
+						"fk_f4u43ook9b825fxbm3exb18q6", "fk_1o8k3sa4q2a2wb596v4htt8qf" ),
+				Arguments.of(
+						StandardCharsets.ISO_8859_1.name(),
+						"fk_", "table_name", "other_table_name", List.of( "col1", "col2", "col3" ),
+						"fk_f4u43ook9b825fxbm3exb18q6", "fk_1o8k3sa4q2a2wb596v4htt8qf" ),
+				Arguments.of(
+						StandardCharsets.UTF_8.name(),
+						"fk_", "café", "le_déjeuner", List.of( "col1", "col2", "col3" ),
+						"fk_jdvsrk14lxab6a829ok160vyj", "fk_h34kugb2bguwmcn1g5h1q3snf" ),
+				Arguments.of(
+						StandardCharsets.ISO_8859_1.name(),
+						"fk_", "café", "le_déjeuner", List.of( "col1", "col2", "col3" ),
+						"fk_g1py0mkjd1tu46tr8c2e1vm2l", "fk_1pitt5gtytwpy6ea02o7l5men" ),
+				Arguments.of(
+						StandardCharsets.UTF_8.name(),
+						"fk_", "abcdefghijklmnopqrstuvwxyzäöüß", "stuvwxyzäöüß", List.of( "col1" ),
+						"fk_q11mlivmrc3sdfnncd2hwkpqp", "fk_gm8xsqu7ayucv5w5w2gj2dfly" ),
+				Arguments.of(
+						StandardCharsets.ISO_8859_1.name(),
+						"fk_", "abcdefghijklmnopqrstuvwxyzäöüß", "stuvwxyzäöüß", List.of( "col1" )
+						, "fk_fua9hgc6dn6eno8hlqt58j72o", "fk_3iig3yrgsf5bjlbdo05d7mp2" )
+		);
+	}
+
+}