From 5edee45ff71ad7a609b5847c876f334c6307b410 Mon Sep 17 00:00:00 2001
From: Gail Badner <gbadner@redhat.com>
Date: Thu, 21 Mar 2013 12:56:38 -0700
Subject: [PATCH] HHH-8102 : Generated foreign key export identifiers can
 collide

---
 .../ForeignKeyConstraintNameTests.java        | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/hibernate-core/src/test/java/org/hibernate/metamodel/spi/relational/ForeignKeyConstraintNameTests.java b/hibernate-core/src/test/java/org/hibernate/metamodel/spi/relational/ForeignKeyConstraintNameTests.java
index 315a0a9bce..ca77b03b68 100644
--- a/hibernate-core/src/test/java/org/hibernate/metamodel/spi/relational/ForeignKeyConstraintNameTests.java
+++ b/hibernate-core/src/test/java/org/hibernate/metamodel/spi/relational/ForeignKeyConstraintNameTests.java
@@ -23,6 +23,11 @@
  */
 package org.hibernate.metamodel.spi.relational;
 
+import junit.framework.Assert;
+import org.junit.Test;
+
+import org.hibernate.testing.FailureExpectedWithNewMetamodel;
+
 /**
  * @author Gail Badner
  */
@@ -35,4 +40,45 @@ protected AbstractConstraint createConstraint(TableSpecification table, String c
 		referencedTable.getPrimaryKey().addColumn( referencedTable.locateColumn( COLUMN_NAMES[0] ) );
 		return table.createForeignKey( referencedTable, constraintName );
 	}
+
+	@Test
+	@FailureExpectedWithNewMetamodel
+	public void testGeneratedExportedIdentifier(){
+		testExportedIdentifier( null, null, "ABs", "idA", "idB", "`As`", "id", "Bs", "id" );
+	}
+
+	@Test
+	public void testNonGeneratedExportedIdentifier(){
+		testExportedIdentifier( "name1", "name2", "ABs", "idA", "idB", "`As`", "id", "Bs", "id" );
+	}
+
+	private void testExportedIdentifier(
+			String fkName1,
+			String fkName2,
+			String sourceTableName,
+			String sourceColumnName1,
+			String sourceColumnName2,
+			String targetTableName1,
+			String targetColumnName1,
+			String targetTableName2,
+			String targetColumnName2){
+
+		TableSpecification targetTable1 = createTable( targetTableName1 );
+		Column targetColumn1 = targetTable1.createColumn( targetColumnName1 );
+
+		TableSpecification targetTable2 = createTable( targetTableName2 );
+		Column targetColumn2 = targetTable2.createColumn( targetColumnName2 );
+
+		TableSpecification sourceTable = createTable( sourceTableName );
+		Column sourceColumn1 = sourceTable.createColumn( sourceColumnName1 );
+		Column sourceColumn2 = sourceTable.createColumn( sourceColumnName2 );
+
+		ForeignKey fk1 = sourceTable.createForeignKey( targetTable1, fkName1 );
+		fk1.addColumnMapping( sourceColumn1, targetColumn1 );
+		ForeignKey fk2 = sourceTable.createForeignKey( targetTable2, fkName2 );
+		fk2.addColumnMapping( sourceColumn2, targetColumn2 );
+
+		Assert.assertTrue( ! fk1.getExportIdentifier().equals(  fk2.getExportIdentifier() ) );
+	}
+
 }