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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.vespa.indexinglanguage;
import com.yahoo.document.DataType;
import com.yahoo.document.Field;
import com.yahoo.document.StructDataType;
import com.yahoo.document.datatypes.*;
import com.yahoo.document.serialization.FieldReader;
import com.yahoo.document.serialization.FieldWriter;
import com.yahoo.document.serialization.XmlStream;
import org.junit.Test;
import java.util.Iterator;
import static org.junit.Assert.*;
/**
* @author Simon Thoresen Hult
*/
@SuppressWarnings({ "rawtypes" })
public class FieldValueConverterTestCase {
@Test
public void requireThatNullIsIgnored() {
assertNull(new FieldValueConverter() {
@Override
protected boolean shouldConvert(FieldValue value) {
throw new AssertionError();
}
@Override
protected FieldValue doConvert(FieldValue value) {
throw new AssertionError();
}
}.convert(null));
}
@Test
public void requireThatUnknownTypesFallThrough() {
FieldValue val = new MyFieldValue();
assertSame(val, new FieldValueConverter() {
@Override
protected boolean shouldConvert(FieldValue value) {
return false;
}
@Override
protected FieldValue doConvert(FieldValue value) {
throw new AssertionError();
}
}.convert(val));
}
@Test
public void requireThatSingleValueIsConverted() {
StringFieldValue before = new StringFieldValue("69");
FieldValue after = new StringMarker().doConvert(before);
assertTrue(after instanceof StringFieldValue);
assertEquals(new StringFieldValue("69'"), after);
}
@Test
public void requireThatArrayElementsAreConverted() {
Array<StringFieldValue> before = new Array<>(DataType.getArray(DataType.STRING));
before.add(new StringFieldValue("6"));
before.add(new StringFieldValue("9"));
FieldValue after = new StringMarker().convert(before);
assertTrue(after instanceof Array);
assertEquals(new StringFieldValue("6'"), ((Array)after).get(0));
assertEquals(new StringFieldValue("9'"), ((Array)after).get(1));
}
@Test
public void requireThatConvertedArrayElementCompatibilityIsEnforced() {
Array<StringFieldValue> arr = new Array<>(DataType.getArray(DataType.STRING));
StringFieldValue foo = new StringFieldValue("foo");
StringFieldValue bar = new StringFieldValue("bar");
arr.add(foo);
arr.add(bar);
try {
new SearchReplace(foo, new IntegerFieldValue(69)).convert(arr);
fail();
} catch (IllegalArgumentException e) {
}
try {
new SearchReplace(bar, new IntegerFieldValue(69)).convert(arr);
fail();
} catch (IllegalArgumentException e) {
}
}
@Test
public void requireThatMapEntriesAreConverted() {
MapFieldValue<StringFieldValue, StringFieldValue> before =
new MapFieldValue<>(DataType.getMap(DataType.STRING, DataType.STRING));
before.put(new StringFieldValue("6"), new StringFieldValue("9"));
before.put(new StringFieldValue("9"), new StringFieldValue("6"));
FieldValue after = new StringMarker().convert(before);
assertTrue(after instanceof MapFieldValue);
assertEquals(new StringFieldValue("6'"), ((MapFieldValue)after).get(new StringFieldValue("9'")));
assertEquals(new StringFieldValue("9'"), ((MapFieldValue)after).get(new StringFieldValue("6'")));
}
@Test
public void requireThatMapElementsCanBeRemoved() {
MapFieldValue<StringFieldValue, StringFieldValue> before =
new MapFieldValue<>(DataType.getMap(DataType.STRING, DataType.STRING));
StringFieldValue foo = new StringFieldValue("foo");
StringFieldValue bar = new StringFieldValue("bar");
StringFieldValue baz = new StringFieldValue("baz");
StringFieldValue cox = new StringFieldValue("cox");
before.put(foo, bar);
before.put(baz, cox);
FieldValue after = new SearchReplace(foo, null).convert(before);
assertTrue(after instanceof MapFieldValue);
assertEquals(1, ((MapFieldValue)after).size());
after = new SearchReplace(bar, null).convert(before);
assertTrue(after instanceof MapFieldValue);
assertEquals(1, ((MapFieldValue)after).size());
after = new SearchReplace(baz, null).convert(before);
assertTrue(after instanceof MapFieldValue);
assertEquals(1, ((MapFieldValue)after).size());
after = new SearchReplace(cox, null).convert(before);
assertTrue(after instanceof MapFieldValue);
assertEquals(1, ((MapFieldValue)after).size());
}
@Test
public void requireThatConvertedMapElementCompatibilityIsEnforced() {
MapFieldValue<StringFieldValue, StringFieldValue> before =
new MapFieldValue<>(DataType.getMap(DataType.STRING, DataType.STRING));
StringFieldValue foo = new StringFieldValue("foo");
StringFieldValue bar = new StringFieldValue("bar");
StringFieldValue baz = new StringFieldValue("baz");
StringFieldValue cox = new StringFieldValue("cox");
before.put(foo, bar);
before.put(baz, cox);
try {
new SearchReplace(foo, new IntegerFieldValue(69)).convert(before);
fail();
} catch (IllegalArgumentException e) {
}
try {
new SearchReplace(bar, new IntegerFieldValue(69)).convert(before);
fail();
} catch (IllegalArgumentException e) {
}
try {
new SearchReplace(baz, new IntegerFieldValue(69)).convert(before);
fail();
} catch (IllegalArgumentException e) {
}
try {
new SearchReplace(cox, new IntegerFieldValue(69)).convert(before);
fail();
} catch (IllegalArgumentException e) {
}
}
@Test
public void requireThatWsetElementsAreConverted() {
WeightedSet<StringFieldValue> before = new WeightedSet<>(DataType.getWeightedSet(DataType.STRING));
before.put(new StringFieldValue("6"), 69);
before.put(new StringFieldValue("9"), 96);
FieldValue after = new StringMarker().convert(before);
assertTrue(after instanceof WeightedSet);
@SuppressWarnings("unchecked")
WeightedSet<StringFieldValue> w = (WeightedSet<StringFieldValue>) after;
assertEquals(2, w.size());
assertTrue(w.contains(new StringFieldValue("9'")));
assertEquals(96, w.get(new StringFieldValue("9'")).intValue());
assertTrue(w.contains(new StringFieldValue("6'")));
assertEquals(69, w.get(new StringFieldValue("6'")).intValue());
}
@Test
public void requireThatWsetElementsCanBeRemoved() {
WeightedSet<StringFieldValue> before = new WeightedSet<>(DataType.getWeightedSet(DataType.STRING));
StringFieldValue foo = new StringFieldValue("foo");
StringFieldValue bar = new StringFieldValue("bar");
before.put(foo, 6);
before.put(bar, 9);
FieldValue after = new SearchReplace(foo, null).convert(before);
assertTrue(after instanceof WeightedSet);
assertEquals(1, ((WeightedSet)after).size());
after = new SearchReplace(bar, null).convert(before);
assertTrue(after instanceof WeightedSet);
assertEquals(1, ((WeightedSet)after).size());
}
@Test
public void requireThatConvertedWsetElementCompatibilityIsEnforced() {
WeightedSet<StringFieldValue> before = new WeightedSet<>(DataType.getWeightedSet(DataType.STRING));
StringFieldValue foo = new StringFieldValue("foo");
StringFieldValue bar = new StringFieldValue("bar");
before.put(foo, 6);
before.put(bar, 9);
try {
new SearchReplace(foo, new IntegerFieldValue(69)).convert(before);
fail();
} catch (IllegalArgumentException e) {
}
try {
new SearchReplace(bar, new IntegerFieldValue(69)).convert(before);
fail();
} catch (IllegalArgumentException e) {
}
}
@Test
public void requireThatEmptyCollectionsAreConvertedToNull() {
FieldValueConverter converter = new FieldValueConverter() {
@Override
protected boolean shouldConvert(FieldValue value) {
return false;
}
@Override
protected FieldValue doConvert(FieldValue value) {
throw new AssertionError();
}
};
assertNull(converter.convert(new Array(DataType.getArray(DataType.STRING))));
assertNull(converter.convert(new MapFieldValue(DataType.getMap(DataType.STRING, DataType.STRING))));
assertNull(converter.convert(new WeightedSet<StringFieldValue>(DataType.getWeightedSet(DataType.STRING))));
}
@Test
public void requireThatStructElementsAreConverted() {
StructDataType type = new StructDataType("foo");
type.addField(new Field("bar", DataType.STRING));
type.addField(new Field("baz", DataType.STRING));
Struct before = type.createFieldValue();
before.setFieldValue("bar", new StringFieldValue("6"));
before.setFieldValue("baz", new StringFieldValue("9"));
FieldValue after = new StringMarker().convert(before);
assertTrue(after instanceof Struct);
assertEquals(new StringFieldValue("6'"), ((Struct)after).getFieldValue("bar"));
assertEquals(new StringFieldValue("9'"), ((Struct)after).getFieldValue("baz"));
}
@Test
public void requireThatStructElementsCanBeRemoved() {
StructDataType type = new StructDataType("foo");
type.addField(new Field("bar", DataType.STRING));
type.addField(new Field("baz", DataType.STRING));
Struct before = type.createFieldValue();
StringFieldValue barVal = new StringFieldValue("6");
StringFieldValue bazVal = new StringFieldValue("9");
before.setFieldValue("bar", barVal);
before.setFieldValue("baz", bazVal);
FieldValue after = new SearchReplace(barVal, null).convert(before);
assertTrue(after instanceof Struct);
assertNull(((Struct)after).getFieldValue("bar"));
assertEquals(bazVal, ((Struct)after).getFieldValue("baz"));
after = new SearchReplace(bazVal, null).convert(before);
assertTrue(after instanceof Struct);
assertEquals(barVal, ((Struct)after).getFieldValue("bar"));
assertNull(((Struct)after).getFieldValue("baz"));
}
@Test
public void requireThatStructArrayElementsAreConverted() {
StructDataType type = new StructDataType("foo");
type.addField(new Field("bar", DataType.STRING));
type.addField(new Field("baz", DataType.STRING));
Array<Struct> before = new Array<>(DataType.getArray(type));
Struct elem = type.createFieldValue();
elem.setFieldValue("bar", new StringFieldValue("6"));
elem.setFieldValue("baz", new StringFieldValue("9"));
before.add(elem);
elem = type.createFieldValue();
elem.setFieldValue("bar", new StringFieldValue("9"));
elem.setFieldValue("baz", new StringFieldValue("6"));
before.add(elem);
FieldValue after = new StringMarker().convert(before);
assertTrue(after instanceof Array);
FieldValue val = ((Array)after).getFieldValue(0);
assertTrue(val instanceof Struct);
assertEquals(new StringFieldValue("6'"), ((Struct)val).getFieldValue("bar"));
assertEquals(new StringFieldValue("9'"), ((Struct)val).getFieldValue("baz"));
val = ((Array)after).getFieldValue(1);
assertTrue(val instanceof Struct);
assertEquals(new StringFieldValue("9'"), ((Struct)val).getFieldValue("bar"));
assertEquals(new StringFieldValue("6'"), ((Struct)val).getFieldValue("baz"));
}
@Test
public void requireThatArrayChangeNestedType() {
Array<StringFieldValue> before = new Array<>(DataType.getArray(DataType.STRING));
before.add(new StringFieldValue("69"));
FieldValue after = new IntegerParser().convert(before);
assertTrue(after instanceof Array);
assertEquals(DataType.getArray(DataType.INT), after.getDataType());
}
@Test
public void requireThatMapChangeNestedType() {
MapFieldValue<StringFieldValue, StringFieldValue> before =
new MapFieldValue<>(
DataType.getMap(DataType.STRING, DataType.STRING));
before.put(new StringFieldValue("6"), new StringFieldValue("9"));
FieldValue after = new IntegerParser().convert(before);
assertTrue(after instanceof MapFieldValue);
assertEquals(DataType.getMap(DataType.INT, DataType.INT), after.getDataType());
}
@Test
public void requireThatWsetChangeNestedType() {
assertWsetChangeNestedType(false, false);
assertWsetChangeNestedType(false, true);
assertWsetChangeNestedType(true, false);
assertWsetChangeNestedType(true, true);
}
private static void assertWsetChangeNestedType(boolean createIfNonExistent, boolean removeIfZero) {
WeightedSet<StringFieldValue> before =
new WeightedSet<>(DataType.getWeightedSet(DataType.STRING, createIfNonExistent, removeIfZero));
before.put(new StringFieldValue("6"), 9);
FieldValue after = new IntegerParser().convert(before);
assertTrue(after instanceof WeightedSet);
assertEquals(DataType.getWeightedSet(DataType.INT, createIfNonExistent, removeIfZero), after.getDataType());
}
private static class StringMarker extends StringFieldConverter {
@Override
protected FieldValue doConvert(StringFieldValue value) {
return new StringFieldValue(value.toString() + "'");
}
}
private static class IntegerParser extends StringFieldConverter {
@Override
protected FieldValue doConvert(StringFieldValue value) {
return new IntegerFieldValue(Integer.valueOf(value.toString()));
}
}
private static class SearchReplace extends FieldValueConverter {
final FieldValue searchFor;
final FieldValue replaceWith;
private SearchReplace(FieldValue searchFor, FieldValue replaceWith) {
this.searchFor = searchFor;
this.replaceWith = replaceWith;
}
@Override
protected boolean shouldConvert(FieldValue value) {
return value == searchFor;
}
@Override
protected FieldValue doConvert(FieldValue value) {
return replaceWith;
}
}
private static class MyFieldValue extends FieldValue {
@Override
public DataType getDataType() {
return null;
}
@Override
@Deprecated
public void printXml(XmlStream xml) {
}
@Override
public void clear() {
}
@Override
public void assign(Object obj) {
}
@Override
public void serialize(Field field, FieldWriter writer) {
}
@Override
public void deserialize(Field field, FieldReader reader) {
}
}
}
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