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// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.prelude.query.test;
import com.yahoo.prelude.query.AndItem;
import com.yahoo.prelude.query.IntItem;
import com.yahoo.prelude.query.Item;
import com.yahoo.prelude.query.SameElementItem;
import com.yahoo.prelude.query.TermItem;
import com.yahoo.prelude.query.WordItem;
import org.junit.Test;
import java.util.Optional;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
public class SameElementItemTestCase {
@Test
public void testAddItem() {
SameElementItem s = new SameElementItem("structa");
s.addItem(new WordItem("b", "f1"));
s.addItem(new WordItem("c", "f2"));
s.addItem(new WordItem("d", "f3"));
assertEquals("structa:{f1:b f2:c f3:d}", s.toString());
}
@Test
public void testClone() {
SameElementItem s = new SameElementItem("structa");
s.addItem(new WordItem("b", "f1"));
s.addItem(new WordItem("c", "f2"));
s.addItem(new WordItem("d", "f3"));
assertEquals("structa:{f1:b f2:c f3:d}", s.toString());
SameElementItem c = (SameElementItem)s.clone();
assertEquals("structa:{f1:b f2:c f3:d}", c.toString());
}
@Test
public void requireAllChildrenHaveStructMemberNameSet() {
try {
SameElementItem s = new SameElementItem("structa");
s.addItem(new WordItem("b", "f1"));
s.addItem(new WordItem("c"));
fail("Expected exception");
}
catch (IllegalArgumentException e) { // success
assertEquals("Struct fieldname can not be empty", e.getMessage());
}
}
@Test
public void requireAllowCommonPrefix() {
SameElementItem s = new SameElementItem("structa");
s.addItem(new WordItem("b", "f1"));
s.addItem(new WordItem("c", "structaf2"));
assertEquals("structa:{f1:b structaf2:c}", s.toString());
}
@Test
public void requireChildrenCanHavePrefixCommonWithParent() {
SameElementItem s = new SameElementItem("structa");
s.addItem(new WordItem("b", "f1"));
s.addItem(new WordItem("c", "structa.f2"));
assertEquals("structa:{f1:b structa.f2:c}", s.toString());
}
@Test
public void requireAllChildrenHaveNonEmptyTerm() {
try {
SameElementItem s = new SameElementItem("structa");
s.addItem(new WordItem("", "f2"));
fail("Expected exception");
}
catch (IllegalArgumentException e) { // Success
assertEquals("The word of a word item can not be empty", e.getMessage());
}
}
@Test
public void requireAllChildrenAreTermItems() {
try {
SameElementItem s = new SameElementItem("structa");
s.addItem(new AndItem());
fail("Expected exception");
}
catch (IllegalArgumentException e) { // Success
assertEquals("Child item (AND ) should be an instance of class com.yahoo.prelude.query.TermItem but is class com.yahoo.prelude.query.AndItem",
e.getMessage());
}
}
private void verifyExtractSingle(TermItem term) {
String subFieldName = term.getIndexName();
SameElementItem s = new SameElementItem("structa");
s.addItem(term);
Optional<Item> single =s.extractSingleChild();
assertTrue(single.isPresent());
assertEquals(((TermItem)single.get()).getIndexName(), s.getFieldName() + "." + subFieldName);
}
@Test
public void requireExtractSingleItemToExtractSingles() {
verifyExtractSingle(new WordItem("b", "f1"));
verifyExtractSingle(new IntItem("7", "f1"));
}
@Test
public void requireExtractSingleItemToExtractSinglesOnly() {
SameElementItem s = new SameElementItem("structa");
s.addItem(new WordItem("b", "f1"));
s.addItem(new WordItem("c", "f2"));
assertTrue(s.extractSingleChild().isEmpty());
}
}
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