@Test
public void testExtensionAttribute_eclipselink_data() {
ClassDescriptor classDescriptor = jpaMetadataProvider.getClassDescriptor(TestDataObject.class);
ClassDescriptor referenceDescriptor =
jpaMetadataProvider.getClassDescriptor(TestDataObjectExtension.class);
assertNotNull(
"A classDescriptor should have been retrieved from JPA for TestDataObject",
classDescriptor);
assertNotNull(
"A classDescriptor should have been retrieved from JPA for TestDataObjectExtension",
referenceDescriptor);
DatabaseMapping databaseMapping = classDescriptor.getMappingForAttributeName("extension");
assertNotNull("extension mapping missing from metamodel", databaseMapping);
assertTrue("Should be a OneToOne mapping", databaseMapping instanceof OneToOneMapping);
OneToOneMapping mapping = (OneToOneMapping) databaseMapping;
assertEquals(
"Should be mapped by primaryKeyProperty", "primaryKeyProperty", mapping.getMappedBy());
Map<DatabaseField, DatabaseField> databaseFields = mapping.getSourceToTargetKeyFields();
assertEquals(1, databaseFields.size());
for (DatabaseField sourceField : databaseFields.keySet()) {
DatabaseField targetField = databaseFields.get(sourceField);
assertEquals("PK_PROP", sourceField.getName());
assertEquals("PK_PROP", targetField.getName());
}
assertNotNull(
"Reference descriptor missing from relationship", mapping.getReferenceDescriptor());
assertEquals(
"Reference descriptor should be the one for TestDataObjectExtension",
referenceDescriptor,
mapping.getReferenceDescriptor());
assertNotNull("selection query relationship missing", mapping.getSelectionQuery());
assertNotNull("selection query missing name", mapping.getSelectionQuery().getName());
assertEquals(
"selection query name incorrect", "extension", mapping.getSelectionQuery().getName());
assertNotNull(
"selection query reference class", mapping.getSelectionQuery().getReferenceClass());
assertEquals(
"selection query reference class incorrect",
TestDataObjectExtension.class,
mapping.getSelectionQuery().getReferenceClass());
assertNotNull(
"selection query reference class name",
mapping.getSelectionQuery().getReferenceClassName());
assertNotNull(
"selection query source mapping missing", mapping.getSelectionQuery().getSourceMapping());
assertEquals(
"selection query source mapping incorrect",
mapping,
mapping.getSelectionQuery().getSourceMapping());
}
