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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.datatypes.StringFieldValue;
import com.yahoo.vespa.indexinglanguage.expressions.*;
import com.yahoo.vespa.indexinglanguage.parser.ParseException;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* @author <a href="mailto:simon@yahoo-inc.com">Simon Thoresen</a>
*/
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);
}
@Test
public void requireThatScriptExecutesStatements() {
Document input = new Document(type, "doc:scheme:");
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, "doc:scheme:");
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.getExpression() instanceof ScriptExpression);
assertEquals("Expected any input, got null.", e.getMessage());
}
}
@Test
public void requireThatFactoryMethodWorks() throws ParseException {
Document input = new Document(type, "doc:scheme:");
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, "doc:scheme:");
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"));
}
}
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