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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.document.datatypes;
import com.yahoo.document.DataType;
import com.yahoo.document.Field;
import com.yahoo.document.predicate.FeatureSet;
import com.yahoo.document.predicate.SimplePredicates;
import com.yahoo.document.predicate.Predicate;
import com.yahoo.document.serialization.FieldReader;
import com.yahoo.document.serialization.FieldWriter;
import com.yahoo.document.serialization.XmlStream;
import org.junit.Test;
import org.mockito.Mockito;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* @author Simon Thoresen Hult
*/
public class PredicateFieldValueTest {
@Test
public void requireThatFactoryProducesPredicate() {
assertEquals(PredicateFieldValue.class, PredicateFieldValue.getFactory().create().getClass());
}
@Test
public void requireThatAccessorsWork() {
PredicateFieldValue value = new PredicateFieldValue();
Predicate predicate = SimplePredicates.newPredicate();
value.setPredicate(predicate);
assertSame(predicate, value.getPredicate());
}
@Test
public void requireThatConstructorsWork() {
assertNull(new PredicateFieldValue().getPredicate());
Predicate predicate = SimplePredicates.newPredicate();
assertEquals(predicate, new PredicateFieldValue(predicate).getPredicate());
}
@Test
public void requireThatDataTypeIsPredicate() {
assertEquals(DataType.PREDICATE,
new PredicateFieldValue().getDataType());
}
@Test
@SuppressWarnings("deprecation")
public void requireThatXmlOutputIsEmptyForNullPredicate() {
XmlStream expected = new XmlStream();
expected.beginTag("tag");
expected.endTag();
assertEquals(expected.toString(), printXml("tag", new PredicateFieldValue()));
}
@Test
@SuppressWarnings("deprecation")
public void requireThatXmlOutputIsPredicateLanguage() {
Predicate predicate = new FeatureSet("key", "valueA", "valueB");
XmlStream expected = new XmlStream();
expected.beginTag("tag");
expected.addContent(predicate.toString());
expected.endTag();
assertEquals(expected.toString(), printXml("tag", new PredicateFieldValue(predicate)));
}
@Test
public void requireThatClearNullsPredicate() {
PredicateFieldValue value = new PredicateFieldValue(SimplePredicates.newPredicate());
value.clear();
assertNull(value.getPredicate());
}
@Test
public void requireThatNullCanBeAssigned() {
PredicateFieldValue value = new PredicateFieldValue(SimplePredicates.newPredicate());
value.assign(null);
assertNull(value.getPredicate());
}
@Test
public void requireThatPredicateCanBeAssigned() {
Predicate predicate = SimplePredicates.newPredicate();
PredicateFieldValue value = new PredicateFieldValue();
value.assign(predicate);
assertSame(predicate, value.getPredicate());
}
@Test
public void requireThatPredicateFieldValueCanBeAssigned() {
Predicate predicate = SimplePredicates.newPredicate();
PredicateFieldValue value = new PredicateFieldValue();
value.assign(new PredicateFieldValue(predicate));
assertSame(predicate, value.getPredicate());
}
@Test
public void requireThatBadAssignThrows() {
try {
new PredicateFieldValue().assign(new Object());
fail();
} catch (IllegalArgumentException e) {
assertEquals("Expected com.yahoo.document.datatypes.PredicateFieldValue, got java.lang.Object.",
e.getMessage());
}
}
@Test
public void requireThatSerializeCallsBackToWriter() {
Field field = Mockito.mock(Field.class);
FieldWriter writer = Mockito.mock(FieldWriter.class);
PredicateFieldValue value = new PredicateFieldValue(SimplePredicates.newPredicate());
value.serialize(field, writer);
Mockito.verify(writer).write(field, value);
}
@Test
public void requireThatDeserializeCallsBackToReader() {
Field field = Mockito.mock(Field.class);
FieldReader reader = Mockito.mock(FieldReader.class);
PredicateFieldValue value = new PredicateFieldValue(SimplePredicates.newPredicate());
value.deserialize(field, reader);
Mockito.verify(reader).read(field, value);
}
@Test
public void requireThatWrappedValueIsPredicate() {
Predicate predicate = SimplePredicates.newPredicate();
PredicateFieldValue value = new PredicateFieldValue(predicate);
assertSame(predicate, value.getWrappedValue());
}
@Test
public void requireThatCloneIsImplemented() {
PredicateFieldValue value1 = new PredicateFieldValue();
PredicateFieldValue value2 = value1.clone();
assertEquals(value1, value2);
assertNotSame(value1, value2);
value1 = new PredicateFieldValue(SimplePredicates.newString("foo"));
value2 = value1.clone();
assertEquals(value1, value2);
assertNotSame(value1, value2);
assertNotSame(value1.getPredicate(), value2.getPredicate());
}
@Test
public void requireThatHashCodeIsImplemented() {
assertEquals(new PredicateFieldValue().hashCode(),
new PredicateFieldValue().hashCode());
}
@Test
public void requireThatEqualsIsImplemented() {
// null predicate in lhs
PredicateFieldValue lhs = new PredicateFieldValue();
assertTrue(lhs.equals(lhs));
assertFalse(lhs.equals(new Object()));
PredicateFieldValue rhs = new PredicateFieldValue(SimplePredicates.newString("bar"));
assertFalse(lhs.equals(rhs));
rhs.setPredicate(null);
assertTrue(lhs.equals(rhs));
// non-null predicate in lhs
lhs = new PredicateFieldValue(SimplePredicates.newString("foo"));
assertTrue(lhs.equals(lhs));
assertFalse(lhs.equals(new Object()));
rhs = new PredicateFieldValue();
assertFalse(lhs.equals(rhs));
rhs.setPredicate(SimplePredicates.newString("bar"));
assertFalse(lhs.equals(rhs));
rhs.setPredicate(SimplePredicates.newString("foo"));
assertTrue(lhs.equals(rhs));
}
@SuppressWarnings("deprecation")
private static String printXml(String tag, FieldValue value) {
XmlStream out = new XmlStream();
out.beginTag(tag);
if (value != null) {
value.printXml(out);
}
out.endTag();
return out.toString();
}
}
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