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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.schema.processing;
import com.yahoo.document.DataType;
import com.yahoo.document.TensorDataType;
import com.yahoo.schema.Schema;
import com.yahoo.schema.document.ImmutableImportedSDField;
import com.yahoo.schema.document.ImmutableSDField;
import com.yahoo.schema.document.ImportedField;
import com.yahoo.schema.document.ImportedFields;
import com.yahoo.schema.document.SDField;
import com.yahoo.schema.document.TemporarySDField;
import com.yahoo.tensor.TensorType;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
/**
* @author geirst
*/
public class ImportedFieldsResolverTestCase {
@SuppressWarnings("deprecation")
@Rule
public final ExpectedException exceptionRule = ExpectedException.none();
private void resolve_imported_field(String fieldName, String targetFieldName) {
SearchModel model = new SearchModel();
model.addImportedField(fieldName, "ref", targetFieldName).resolve();
assertEquals(1, model.importedFields.fields().size());
ImportedField myField = model.importedFields.fields().get(fieldName);
assertNotNull(myField);
assertEquals(fieldName, myField.fieldName());
assertSame(model.childSchema.getConcreteField("ref"), myField.reference().referenceField());
assertSame(model.parentSchema, myField.reference().targetSearch());
ImmutableSDField targetField = model.parentSchema.getField(targetFieldName);
if (targetField instanceof SDField) {
assertSame(targetField, myField.targetField());
} else {
assertSame(getImportedField(targetField), getImportedField(myField.targetField()));
}
}
private static ImportedField getImportedField(ImmutableSDField field) {
return ((ImmutableImportedSDField) field).getImportedField();
}
@Test
public void valid_imported_fields_are_resolved() {
resolve_imported_field("my_attribute_field", "attribute_field");
resolve_imported_field("my_tensor_field", "tensor_field");
resolve_imported_field("my_ancient_field", "ancient_field");
}
@Test
public void resolver_fails_if_document_reference_is_not_found() {
exceptionRule.expect(IllegalArgumentException.class);
exceptionRule.expectMessage("For schema 'child', import field 'my_attribute_field': "
+ "Reference field 'not_ref' not found");
new SearchModel().addImportedField("my_attribute_field", "not_ref", "budget").resolve();
}
@Test
public void resolver_fails_if_referenced_field_is_not_found() {
exceptionRule.expect(IllegalArgumentException.class);
exceptionRule.expectMessage("For schema 'child', import field 'my_attribute_field': "
+ "Field 'not_existing' via reference field 'ref': Not found");
new SearchModel().addImportedField("my_attribute_field", "ref", "not_existing").resolve();
}
@Test
public void resolver_fails_if_imported_field_is_not_an_attribute() {
exceptionRule.expect(IllegalArgumentException.class);
exceptionRule.expectMessage("For schema 'child', import field 'my_not_attribute': "
+ "Field 'not_attribute' via reference field 'ref': Is not an attribute field. Only attribute fields supported");
new SearchModel().addImportedField("my_not_attribute", "ref", "not_attribute").resolve();
}
@Test
public void resolver_fails_if_imported_field_is_indexing() {
exceptionRule.expect(IllegalArgumentException.class);
exceptionRule.expectMessage(
"For schema 'child', import field 'my_attribute_and_index': " +
"Field 'attribute_and_index' via reference field 'ref': Is an index field. Not supported");
new SearchModel()
.addImportedField("my_attribute_and_index", "ref", "attribute_and_index")
.resolve();
}
@Test
public void resolver_fails_if_imported_field_is_of_type_predicate() {
exceptionRule.expect(IllegalArgumentException.class);
exceptionRule.expectMessage(
"For schema 'child', import field 'my_predicate_field': " +
"Field 'predicate_field' via reference field 'ref': Is of type 'predicate'. Not supported");
new SearchModel().addImportedField("my_predicate_field", "ref", "predicate_field").resolve();
}
static class SearchModel extends ParentChildSearchModel {
public final Schema grandParentSchema;
public ImportedFields importedFields;
public SearchModel() {
super();
grandParentSchema = createSearch("grandparent");
var grandParentDoc = grandParentSchema.getDocument();
grandParentDoc.addField(createField(grandParentDoc, "ancient_field", DataType.INT, "{ attribute }"));
var parentDoc = parentSchema.getDocument();
parentDoc.addField(createField(parentDoc, "attribute_field", DataType.INT, "{ attribute }"));
parentDoc.addField(createField(parentDoc, "attribute_and_index", DataType.INT, "{ attribute | index }"));
parentDoc.addField(new TemporarySDField(parentDoc, "not_attribute", DataType.INT));
parentDoc.addField(createField(parentDoc, "tensor_field", new TensorDataType(TensorType.fromSpec("tensor(x[5])")), "{ attribute }"));
parentDoc.addField(createField(parentDoc, "predicate_field", DataType.PREDICATE, "{ attribute }"));
addRefField(parentSchema, grandParentSchema, "ref");
addImportedField(parentSchema, "ancient_field", "ref", "ancient_field");
addRefField(childSchema, parentSchema, "ref");
}
protected SearchModel addImportedField(String fieldName, String referenceFieldName, String targetFieldName) {
return addImportedField(childSchema, fieldName, referenceFieldName, targetFieldName);
}
protected SearchModel addImportedField(Schema schema, String fieldName, String referenceFieldName, String targetFieldName) {
super.addImportedField(schema, fieldName, referenceFieldName, targetFieldName);
return this;
}
public void resolve() {
resolve(grandParentSchema);
resolve(parentSchema);
importedFields = resolve(childSchema);
}
private static ImportedFields resolve(Schema schema) {
assertNotNull(schema.temporaryImportedFields().get());
assertFalse(schema.importedFields().isPresent());
new ImportedFieldsResolver(schema, null, null, null).process(true, false);
assertNotNull(schema.importedFields().get());
return schema.importedFields().get();
}
}
}
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