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// Copyright 2017 Yahoo Holdings. 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.Document;
import com.yahoo.document.DocumentType;
import com.yahoo.document.Field;
import com.yahoo.document.FieldPath;
import com.yahoo.document.TensorDataType;
import com.yahoo.document.datatypes.BoolFieldValue;
import com.yahoo.document.datatypes.FieldValue;
import com.yahoo.document.datatypes.StringFieldValue;
import com.yahoo.document.datatypes.TensorFieldValue;
import com.yahoo.language.Language;
import com.yahoo.language.process.Encoder;
import com.yahoo.language.simple.SimpleLinguistics;
import com.yahoo.tensor.Tensor;
import com.yahoo.tensor.TensorAddress;
import com.yahoo.tensor.TensorType;
import com.yahoo.vespa.indexinglanguage.expressions.*;
import com.yahoo.vespa.indexinglanguage.parser.ParseException;
import org.junit.Test;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import static org.junit.Assert.*;
/**
* @author Simon Thoresen Hult
*/
public class ScriptTestCase {
private final DocumentType type;
public ScriptTestCase() {
type = new DocumentType("mytype");
type.addField("in-1", DataType.STRING);
type.addField("in-2", DataType.STRING);
type.addField("out-1", DataType.STRING);
type.addField("out-2", DataType.STRING);
type.addField("mybool", DataType.BOOL);
}
@Test
public void requireThatScriptExecutesStatements() {
Document input = new Document(type, "id:scheme:mytype::");
input.setFieldValue("in-1", new StringFieldValue("6"));
input.setFieldValue("in-2", new StringFieldValue("9"));
Expression exp = new ScriptExpression(
new StatementExpression(new InputExpression("in-1"), new AttributeExpression("out-1")),
new StatementExpression(new InputExpression("in-2"), new AttributeExpression("out-2")));
Document output = Expression.execute(exp, input);
assertNotNull(output);
assertEquals(new StringFieldValue("6"), output.getFieldValue("out-1"));
assertEquals(new StringFieldValue("9"), output.getFieldValue("out-2"));
}
@Test
public void requireThatEachStatementHasEmptyInput() {
Document input = new Document(type, "id:scheme:mytype::");
input.setFieldValue(input.getField("in-1"), new StringFieldValue("69"));
Expression exp = new ScriptExpression(
new StatementExpression(new InputExpression("in-1"), new AttributeExpression("out-1")),
new StatementExpression(new AttributeExpression("out-2")));
try {
exp.verify(input);
fail();
} catch (VerificationException e) {
assertTrue(e.getExpressionType().equals(ScriptExpression.class));
assertEquals("Expected any input, got null.", e.getMessage());
}
}
@Test
public void requireThatFactoryMethodWorks() throws ParseException {
Document input = new Document(type, "id:scheme:mytype::");
input.setFieldValue("in-1", new StringFieldValue("FOO"));
Document output = Expression.execute(Expression.fromString("input 'in-1' | { index 'out-1'; lowercase | index 'out-2' }"), input);
assertNotNull(output);
assertEquals(new StringFieldValue("FOO"), output.getFieldValue("out-1"));
assertEquals(new StringFieldValue("foo"), output.getFieldValue("out-2"));
}
@Test
public void requireThatIfExpressionPassesOriginalInputAlong() throws ParseException {
Document input = new Document(type, "id:scheme:mytype::");
Document output = Expression.execute(Expression.fromString("'foo' | if (1 < 2) { 'bar' | index 'out-1' } else { 'baz' | index 'out-1' } | index 'out-1'"), input);
assertNotNull(output);
assertEquals(new StringFieldValue("foo"), output.getFieldValue("out-1"));
}
@Test
public void testLiteralBoolean() throws ParseException {
Document input = new Document(type, "id:scheme:mytype::");
input.setFieldValue("in-1", new StringFieldValue("foo"));
var expression = Expression.fromString("if (input 'in-1' == \"foo\") { true | summary 'mybool' | attribute 'mybool' }");
Document output = Expression.execute(expression, input);
assertNotNull(output);
assertEquals(new BoolFieldValue(true), output.getFieldValue("mybool"));
}
@Test
public void testEncode() throws ParseException {
TensorType tensorType = TensorType.fromSpec("tensor(d[4])");
var expression = Expression.fromString("input myText | encode | attribute 'myTensor'",
new SimpleLinguistics(),
new MockEncoder());
SimpleTestAdapter adapter = new SimpleTestAdapter();
adapter.createField(new Field("myText", DataType.STRING));
adapter.createField(new Field("myTensor", new TensorDataType(tensorType)));
adapter.setValue("myText", new StringFieldValue("input text"));
// Necessary to resolve output type
VerificationContext verificationContext = new VerificationContext(adapter);
assertEquals(TensorDataType.class, expression.verify(verificationContext).getClass());
ExecutionContext context = new ExecutionContext(adapter);
context.setValue(new StringFieldValue("input text"));
expression.execute(context);
assertNotNull(context);
//assertTrue(context.getOutputType() instanceof TensorDataType);
assertTrue(adapter.values.containsKey("myTensor"));
assertEquals(Tensor.from(tensorType, "[7,3,0,0]"),
((TensorFieldValue)adapter.values.get("myTensor")).getTensor().get());
}
private static class MockEncoder implements Encoder {
@Override
public List<Integer> encode(String text, Language language) {
return null;
}
@Override
public Tensor encode(String text, Language language, TensorType tensorType) {
return Tensor.from(tensorType, "[7,3,0,0]");
}
}
}
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