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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.schema.derived;
import com.yahoo.schema.Schema;
import com.yahoo.schema.ApplicationBuilder;
import com.yahoo.schema.AbstractSchemaTestCase;
import com.yahoo.schema.document.Attribute;
import com.yahoo.schema.parser.ParseException;
import org.junit.jupiter.api.Test;
import java.io.IOException;
import java.util.Iterator;
import static com.yahoo.config.model.test.TestUtil.joinLines;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertThrows;
/**
* Tests attribute deriving
*
* @author bratseth
*/
public class AttributeListTestCase extends AbstractSchemaTestCase {
@Test
void testDeriving() throws IOException, ParseException {
// Test attribute importing
Schema schema = ApplicationBuilder.buildFromFile("src/test/examples/simple.sd");
// Test attribute deriving
AttributeFields attributeFields = new AttributeFields(schema);
Iterator attributes = attributeFields.attributeIterator();
Attribute attribute;
attribute = (Attribute) attributes.next();
assertEquals("popularity", attribute.getName());
assertEquals(Attribute.Type.INTEGER, attribute.getType());
assertEquals(Attribute.CollectionType.SINGLE, attribute.getCollectionType());
attribute = (Attribute) attributes.next();
assertEquals("measurement", attribute.getName());
assertEquals(Attribute.Type.INTEGER, attribute.getType());
assertEquals(Attribute.CollectionType.SINGLE, attribute.getCollectionType());
attribute = (Attribute) attributes.next();
assertEquals("smallattribute", attribute.getName());
assertEquals(Attribute.Type.BYTE, attribute.getType());
assertEquals(Attribute.CollectionType.ARRAY, attribute.getCollectionType());
attribute = (Attribute) attributes.next();
assertEquals("access", attribute.getName());
assertEquals(Attribute.Type.BYTE, attribute.getType());
assertEquals(Attribute.CollectionType.SINGLE, attribute.getCollectionType());
attribute = (Attribute) attributes.next();
assertEquals("category_arr", attribute.getName());
assertEquals(Attribute.Type.STRING, attribute.getType());
assertEquals(Attribute.CollectionType.ARRAY, attribute.getCollectionType());
attribute = (Attribute) attributes.next();
assertEquals("measurement_arr", attribute.getName());
assertEquals(Attribute.Type.INTEGER, attribute.getType());
assertEquals(Attribute.CollectionType.ARRAY, attribute.getCollectionType());
attribute = (Attribute) attributes.next();
assertEquals("popsiness", attribute.getName());
assertEquals(Attribute.Type.INTEGER, attribute.getType());
assertEquals(Attribute.CollectionType.SINGLE, attribute.getCollectionType());
assertFalse(attributes.hasNext());
}
@Test
void fields_in_array_of_struct_are_derived_into_array_attributes() throws IOException, ParseException {
Schema schema = ApplicationBuilder.buildFromFile("src/test/derived/array_of_struct_attribute/test.sd");
Iterator<Attribute> attributes = new AttributeFields(schema).attributeIterator();
assertAttribute("elem_array.name", Attribute.Type.STRING, Attribute.CollectionType.ARRAY, true, attributes.next());
assertAttribute("elem_array.weight", Attribute.Type.INTEGER, Attribute.CollectionType.ARRAY, false, attributes.next());
assertFalse(attributes.hasNext());
}
@Test
void fields_in_map_of_struct_are_derived_into_array_attributes() throws IOException, ParseException {
Schema schema = ApplicationBuilder.buildFromFile("src/test/derived/map_of_struct_attribute/test.sd");
Iterator<Attribute> attributes = new AttributeFields(schema).attributeIterator();
assertAttribute("str_elem_map.key", Attribute.Type.STRING, Attribute.CollectionType.ARRAY, true, attributes.next());
assertAttribute("str_elem_map.value.name", Attribute.Type.STRING, Attribute.CollectionType.ARRAY, false, attributes.next());
assertAttribute("str_elem_map.value.weight", Attribute.Type.INTEGER, Attribute.CollectionType.ARRAY, false, attributes.next());
assertAttribute("int_elem_map.key", Attribute.Type.INTEGER, Attribute.CollectionType.ARRAY, false, attributes.next());
assertAttribute("int_elem_map.value.name", Attribute.Type.STRING, Attribute.CollectionType.ARRAY, true, attributes.next());
assertFalse(attributes.hasNext());
}
private static void assertAttribute(String name, Attribute.Type type, Attribute.CollectionType collection, boolean isFastSearch, Attribute attr) {
assertEquals(name, attr.getName());
assertEquals(type, attr.getType());
assertEquals(collection, attr.getCollectionType());
assertEquals(isFastSearch, attr.isFastSearch());
}
@Test
void only_zcurve_attribute_is_derived_from_array_of_position_field() throws ParseException {
Schema schema = ApplicationBuilder.createFromString(
joinLines("search test {",
" document test {",
" field pos_array type array<position> {",
" indexing: attribute",
" }",
" }",
"}")).getSchema();
Iterator<Attribute> attributes = new AttributeFields(schema).attributeIterator();
assertAttribute("pos_array_zcurve", Attribute.Type.LONG, Attribute.CollectionType.ARRAY, true, attributes.next());
assertFalse(attributes.hasNext());
}
@Test
void fields_in_map_of_primitive_are_derived_into_array_attributes() throws IOException, ParseException {
Schema schema = ApplicationBuilder.buildFromFile("src/test/derived/map_attribute/test.sd");
Iterator<Attribute> attributes = new AttributeFields(schema).attributeIterator();
assertAttribute("str_map.key", Attribute.Type.STRING, Attribute.CollectionType.ARRAY, true, attributes.next());
assertAttribute("str_map.value", Attribute.Type.STRING, Attribute.CollectionType.ARRAY, false, attributes.next());
assertAttribute("int_map.key", Attribute.Type.INTEGER, Attribute.CollectionType.ARRAY, false, attributes.next());
assertFalse(attributes.hasNext());
}
@Test
void bad_map_attribute() throws ParseException {
run_bad_struct_or_map_attribute("map<string,string>");
}
@Test
void bad_array_of_struct_attribute() throws ParseException {
run_bad_struct_or_map_attribute("array<s>");
}
private void run_bad_struct_or_map_attribute(String type) throws ParseException {
run_bad_struct_or_map_attribute(type, false, true);
run_bad_struct_or_map_attribute(type, true, false);
run_bad_struct_or_map_attribute(type, true, true);
}
private void run_bad_struct_or_map_attribute(String type, boolean fs, boolean ilscript) throws ParseException {
var exception = assertThrows(IllegalArgumentException.class, () -> ApplicationBuilder.createFromString(
joinLines("search test {",
" document test {",
" struct s {",
" field a type string { }",
" }",
" field metadata type " + type + " {",
" indexing: summary" + (ilscript ? "| attribute" : ""),
" " + (fs ? "attribute: fast-search" : ""),
" }",
" }",
"}")).getSchema());
assertEquals("For schema 'test': Field 'metadata' of type '" + type + "' cannot be an attribute." +
" Instead specify the struct fields to be searchable as attribute",
exception.getMessage());
}
}
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