Informix tests fixes

Author: VladoKuruc

hibernate-core/src/test/java/org/hibernate/orm/test/annotations/uniqueconstraint/UniqueConstraintTest.java

@@ -7,6 +7,7 @@
 package org.hibernate.orm.test.annotations.uniqueconstraint;
 
 import org.hibernate.JDBCException;
+import org.hibernate.community.dialect.InformixDialect;
 import org.hibernate.dialect.SybaseDialect;
 
 import org.hibernate.testing.orm.junit.DomainModel;
@@ -27,6 +28,9 @@
  */
 @DomainModel( annotatedClasses = { Room.class, Building.class, House.class } )
 @SessionFactory
+@SkipForDialect( dialectClass = InformixDialect.class,
+        matchSubTypes = true,
+        reason = "Informix does not properly support unique constraints on nullable columns" )
 @SkipForDialect( dialectClass = SybaseDialect.class,
         matchSubTypes = true,
         reason = "Sybase does not properly support unique constraints on nullable columns" )

hibernate-core/src/test/java/org/hibernate/orm/test/inheritance/InheritanceQueryGroupByTest.java

@@ -6,6 +6,7 @@
  */
 package org.hibernate.orm.test.inheritance;
 
+import org.hibernate.community.dialect.InformixDialect;
 import org.hibernate.dialect.Dialect;
 import org.hibernate.dialect.FunctionalDependencyAnalysisSupport;
 import org.hibernate.metamodel.mapping.EntityMappingType;
@@ -16,6 +17,7 @@
 import org.hibernate.testing.orm.junit.Jira;
 import org.hibernate.testing.orm.junit.SessionFactory;
 import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.hibernate.testing.orm.junit.SkipForDialect;
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
@@ -86,6 +88,7 @@ public void testGroupBySingleTable(SessionFactoryScope scope) {
 	}
 
 	@Test
+	@SkipForDialect( dialectClass = InformixDialect.class , reason = "Informix does not support case expressions within the GROUP BY clause")
 	public void testGroupByJoined(SessionFactoryScope scope) {
 		testGroupBy( scope, "joinedParent", JoinedParent.class, "joined_child_one", 1 );
 	}
@@ -162,6 +165,7 @@ public void testGroupByAndOrderBySingleTable(SessionFactoryScope scope) {
 	}
 
 	@Test
+	@SkipForDialect( dialectClass = InformixDialect.class , reason = "Informix does not support case expressions within the GROUP BY clause")
 	public void testGroupByAndOrderByJoined(SessionFactoryScope scope) {
 		testGroupByAndOrderBy( scope, "joinedParent", JoinedParent.class, "joined_child_one", 1 );
 	}

hibernate-core/src/test/java/org/hibernate/orm/test/jpa/criteria/QueryBuilderTest.java

@@ -20,6 +20,8 @@
 import jakarta.persistence.criteria.SetJoin;
 import jakarta.persistence.metamodel.EntityType;
 import jakarta.persistence.metamodel.Metamodel;
+
+import org.hibernate.community.dialect.InformixDialect;
 import org.hibernate.dialect.CockroachDialect;
 import org.hibernate.orm.test.jpa.BaseEntityManagerFunctionalTestCase;
 import org.hibernate.orm.test.jpa.metamodel.Address;
@@ -260,8 +262,13 @@ public void testFunctionDialectFunctions() {
 		em.getTransaction().begin();
 		CriteriaBuilder cb = em.getCriteriaBuilder();
 		CriteriaQuery<Long> criteria = cb.createQuery( Long.class );
-		criteria.select( cb.count( cb.literal( 1 ) ) );
 		Root<Customer> root = criteria.from( Customer.class );
+		if (getDialect() instanceof InformixDialect && getDialect().getVersion().isBefore( 11,70 ) ) {
+			criteria.select( cb.count( root ) );
+		}
+		else {
+			criteria.select( cb.count( cb.literal( 1 ) ) );
+		}
 		criteria.where(
 				cb.equal(
 						cb.function(

hibernate-core/src/test/java/org/hibernate/orm/test/query/QueryTimeOutTest.java

@@ -12,6 +12,7 @@
 import java.util.Map;
 
 import org.hibernate.cfg.AvailableSettings;
+import org.hibernate.community.dialect.InformixDialect;
 import org.hibernate.dialect.AbstractTransactSQLDialect;
 import org.hibernate.dialect.OracleDialect;
 import org.hibernate.dialect.SybaseDialect;
@@ -80,6 +81,9 @@ else if ( DialectContext.getDialect() instanceof SybaseDialect ) {
 		else if ( DialectContext.getDialect() instanceof AbstractTransactSQLDialect ) {
 			baseQuery = "update ae1_0 set name=? from AnEntity ae1_0";
 		}
+		else if (DialectContext.getDialect() instanceof InformixDialect ) {
+			baseQuery = "update AnEntity set name=?";
+		}
 		else {
 			baseQuery = "update AnEntity ae1_0 set name=?";
 		}

hibernate-core/src/test/java/org/hibernate/orm/test/query/hql/FunctionTests.java

@@ -599,6 +599,7 @@ public void testDateTruncFunction(SessionFactoryScope scope) {
 	@Test
 	@SkipForDialect(dialectClass = DerbyDialect.class, reason = "Derby doesn't support any form of date truncation")
 	@SkipForDialect(dialectClass = OracleDialect.class, reason = "See HHH-16442, Oracle trunc() throws away the timezone")
+	@SkipForDialect(dialectClass = InformixDialect.class, reason = "Informix doesn't support any form of date truncation")
 	public void testDateTruncWithOffsetFunction(SessionFactoryScope scope) {
 		scope.inTransaction(
 				session -> {
@@ -1063,6 +1064,7 @@ public void testCastDoubleToString(SessionFactoryScope scope) {
 	@SkipForDialect(dialectClass = OracleDialect.class, reason = "Oracle treats the cast value as a hexadecimal literal")
 	@SkipForDialect(dialectClass = HSQLDialect.class, reason = "HSQL treats the cast value as a hexadecimal literal")
 	@SkipForDialect(dialectClass = AltibaseDialect.class, reason = "Altibase doesn't support casting varchar to binary")
+	@SkipForDialect(dialectClass = InformixDialect.class, reason = "Informix doesn't support casting varchar to byte")
 	public void testCastFunctionBinary(SessionFactoryScope scope) {
 		scope.inTransaction(
 				session -> {

hibernate-core/src/test/java/org/hibernate/orm/test/schemaupdate/SchemaMigratorHaltOnErrorTest.java

@@ -17,6 +17,7 @@
 import org.hibernate.cfg.AvailableSettings;
 import org.hibernate.community.dialect.AltibaseDialect;
 import org.hibernate.community.dialect.FirebirdDialect;
+import org.hibernate.community.dialect.InformixDialect;
 import org.hibernate.dialect.DB2Dialect;
 import org.hibernate.community.dialect.DerbyDialect;
 import org.hibernate.orm.test.jpa.BaseEntityManagerFunctionalTestCase;
@@ -31,6 +32,7 @@
 @SkipForDialect(value = DerbyDialect.class, comment = "Derby is far more resistant to the reserved keyword usage.")
 @SkipForDialect(value = FirebirdDialect.class, comment = "FirebirdDialect has autoQuoteKeywords enabled, so it is far more resistant to the reserved keyword usage.")
 @SkipForDialect(value = AltibaseDialect.class, comment = "AltibaseDialect has autoQuoteKeywords enabled, so it is far more resistant to the reserved keyword usage.")
+@SkipForDialect(value = InformixDialect.class, comment = "Informix is far more resistant to the reserved keyword usage.")
 public class SchemaMigratorHaltOnErrorTest extends BaseEntityManagerFunctionalTestCase {
 
 	@Override

hibernate-core/src/test/java/org/hibernate/orm/test/schemaupdate/SchemaUpdateHaltOnErrorTest.java

@@ -22,6 +22,7 @@
 import org.hibernate.boot.spi.MetadataImplementor;
 import org.hibernate.community.dialect.AltibaseDialect;
 import org.hibernate.community.dialect.FirebirdDialect;
+import org.hibernate.community.dialect.InformixDialect;
 import org.hibernate.dialect.DB2Dialect;
 import org.hibernate.testing.SkipForDialect;
 import org.hibernate.testing.junit4.CustomRunner;
@@ -44,6 +45,7 @@
 @SkipForDialect(value = DerbyDialect.class, comment = "Derby is far more resistant to the reserved keyword usage.")
 @SkipForDialect(value = FirebirdDialect.class, comment = "FirebirdDialect has autoQuoteKeywords enabled, so it is far more resistant to the reserved keyword usage.")
 @SkipForDialect(value = AltibaseDialect.class, comment = "AltibaseDialect has autoQuoteKeywords enabled, so it is far more resistant to the reserved keyword usage.")
+@SkipForDialect(value = InformixDialect.class, comment = "Informix is far more resistant to the reserved keyword usage.")
 @RunWith(CustomRunner.class)
 public class SchemaUpdateHaltOnErrorTest {
 

hibernate-testing/src/main/java/org/hibernate/testing/orm/junit/DialectFeatureChecks.java

@@ -10,6 +10,7 @@
 
 import org.hibernate.boot.model.TruthValue;
 import org.hibernate.community.dialect.FirebirdDialect;
+import org.hibernate.community.dialect.InformixDialect;
 import org.hibernate.dialect.HANADialect;
 import org.hibernate.dialect.CockroachDialect;
 import org.hibernate.dialect.DB2Dialect;
@@ -316,8 +317,9 @@ public boolean apply(Dialect dialect) {
 	public static class SupportsRepeat implements DialectFeatureCheck {
 		public boolean apply(Dialect dialect) {
 			dialect = DialectDelegateWrapper.extractRealDialect( dialect );
-			// Derby doesn't support the `REPLACE` function
-			return !( dialect instanceof DerbyDialect );
+			// Derby doesn't support the `REPEAT` function
+			return !( dialect instanceof DerbyDialect
+					|| dialect instanceof InformixDialect );
 		}
 	}
 
@@ -483,6 +485,7 @@ public boolean apply(Dialect dialect) {
 					|| dialect instanceof DerbyDialect
 					|| dialect instanceof FirebirdDialect
 					|| dialect instanceof DB2Dialect && ( (DB2Dialect) dialect ).getDB2Version().isBefore( 11 ) )
+					|| dialect instanceof InformixDialect
 					|| dialect instanceof MariaDBDialect;
 		}
 	}