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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.document;
import com.yahoo.document.datatypes.ByteFieldValue;
import com.yahoo.document.datatypes.DoubleFieldValue;
import com.yahoo.document.datatypes.IntegerFieldValue;
import com.yahoo.document.datatypes.LongFieldValue;
import org.junit.Before;
import org.junit.Test;
import java.util.HashMap;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* @author thomasg
*/
public class DocumentCalculatorTestCase {
DocumentType testDocType = null;
DocumentTypeManager docMan;
Document doc;
@Before
public void setUp() {
docMan = new DocumentTypeManager();
testDocType = new DocumentType("testdoc");
testDocType.addField("byteattr", DataType.BYTE);
testDocType.addField("intattr", DataType.INT);
testDocType.addField("longattr", DataType.LONG);
testDocType.addField("doubleattr", DataType.DOUBLE);
testDocType.addField("missingattr", DataType.INT);
docMan.registerDocumentType(testDocType);
doc = new Document(testDocType, new DocumentId("id:ns:testdoc::testdoc:http://www.ntnu.no/"));
doc.setFieldValue(testDocType.getField("byteattr"), new ByteFieldValue((byte)32));
doc.setFieldValue(testDocType.getField("intattr"), new IntegerFieldValue(468));
doc.setFieldValue(testDocType.getField("longattr"), new LongFieldValue((long)327));
doc.setFieldValue(testDocType.getField("doubleattr"), new DoubleFieldValue(25.0));
}
@Test
public void testConstant() throws Exception {
DocumentCalculator calculator = new DocumentCalculator("4.0");
assertEquals(4.0, calculator.evaluate(doc, new HashMap<>()));
}
@Test
public void testSimple() throws Exception {
DocumentCalculator calculator = new DocumentCalculator("(3 + 5) / 2");
assertEquals(4.0, calculator.evaluate(doc, new HashMap<>()));
}
@Test
public void testDivideByZero() throws Exception {
DocumentCalculator calculator = new DocumentCalculator("(3 + 5) / 0");
try {
System.out.println(calculator.evaluate(doc, new HashMap<>()));
assertTrue(false);
} catch (IllegalArgumentException e) {
// ok
}
}
@Test
public void testModByZero() throws Exception {
DocumentCalculator calculator = new DocumentCalculator("(3 + 5) % 0");
try {
System.out.println(calculator.evaluate(doc, new HashMap<>()));
assertTrue(false);
} catch (IllegalArgumentException e) {
// ok
}
}
@Test
public void testFieldDivideByZero() throws Exception {
try {
DocumentCalculator calculator = new DocumentCalculator("(testdoc.byteattr + testdoc.intattr) / testdoc.doubleattr");
doc.setFieldValue("doubleattr", new DoubleFieldValue(0.0));
calculator.evaluate(doc, new HashMap<>());
assertTrue(false);
} catch (IllegalArgumentException e) {
// ok
}
}
@Test
public void testVariables() throws Exception {
HashMap<String, Object> vars = new HashMap<>();
vars.put("x", Double.valueOf(3.0));
vars.put("y", Double.valueOf(5.0));
DocumentCalculator calculator = new DocumentCalculator("($x + $y) / 2");
assertEquals(4.0, calculator.evaluate(doc, vars));
}
@Test
public void testFields() throws Exception {
DocumentCalculator calculator = new DocumentCalculator("(testdoc.byteattr + testdoc.intattr) / testdoc.doubleattr");
assertEquals(20.0, calculator.evaluate(doc, new HashMap<String, Object>()));
}
@Test
public void testMissingField() throws Exception {
try {
DocumentCalculator calculator = new DocumentCalculator("(testdoc.nosuchattribute + testdoc.intattr) / testdoc.doubleattr");
calculator.evaluate(doc, new HashMap<>());
assertTrue(false);
} catch (IllegalArgumentException e) {
// ok
}
}
@Test
public void testFieldNotSet() throws Exception {
try {
DocumentCalculator calculator = new DocumentCalculator("(testdoc.missingattr + testdoc.intattr) / testdoc.doubleattr");
calculator.evaluate(doc, new HashMap<>());
assertTrue(false);
} catch (IllegalArgumentException e) {
// ok
}
}
}
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