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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.parser;
import com.yahoo.language.Linguistics;
import com.yahoo.language.process.Embedder;
import com.yahoo.language.simple.SimpleLinguistics;
import com.yahoo.vespa.indexinglanguage.expressions.*;
import org.junit.Test;
import java.util.Optional;
import static org.junit.Assert.assertEquals;
/**
* @author Simon Thoresen Hult
*/
@SuppressWarnings({ "rawtypes" })
public class ExpressionTestCase {
@Test
public void requireThatAllExpressionTypesAreParsed() throws ParseException {
assertExpression(ArithmeticExpression.class, "1 + 2");
assertExpression(AttributeExpression.class, "attribute");
assertExpression(Base64DecodeExpression.class, "base64decode");
assertExpression(Base64EncodeExpression.class, "base64encode");
assertExpression(CatExpression.class, "1 . 2");
assertExpression(ClearStateExpression.class, "clear_state");
assertExpression(EchoExpression.class, "echo");
assertExpression(ExactExpression.class, "exact");
assertExpression(FlattenExpression.class, "flatten");
assertExpression(ForEachExpression.class, "for_each { 1 }");
assertExpression(GetFieldExpression.class, "get_field field1");
assertExpression(GetVarExpression.class, "get_var myvar1");
assertExpression(GuardExpression.class, "guard { 1 }");
assertExpression(GuardExpression.class, "guard { 1; 2 }");
assertExpression(HexDecodeExpression.class, "hexdecode");
assertExpression(HexEncodeExpression.class, "hexencode");
assertExpression(HostNameExpression.class, "hostname");
assertExpression(IfThenExpression.class, "if (1 < 2) { 3 }");
assertExpression(IfThenExpression.class, "if (1 < 2) { 3 } else { 4 }");
assertExpression(IndexExpression.class, "index");
assertExpression(InputExpression.class, "input foo");
assertExpression(InputExpression.class, "input field1");
assertExpression(JoinExpression.class, "join '1'");
assertExpression(LowerCaseExpression.class, "lowercase");
assertExpression(NGramExpression.class, "ngram 1");
assertExpression(NormalizeExpression.class, "normalize");
assertExpression(NowExpression.class, "now");
assertExpression(OptimizePredicateExpression.class, "optimize_predicate");
assertExpression(ParenthesisExpression.class, "(1)");
assertExpression(RandomExpression.class, "random");
assertExpression(RandomExpression.class, "random 1");
assertExpression(ScriptExpression.class, "{ 1; 2 }");
assertExpression(SelectInputExpression.class, "select_input { field1: 2; }");
assertExpression(SetLanguageExpression.class, "set_language");
assertExpression(ConstantExpression.class, "1");
assertExpression(SetVarExpression.class, "set_var myvar1");
assertExpression(SplitExpression.class, "split '1'");
assertExpression(StatementExpression.class, "1 | 2");
assertExpression(SubstringExpression.class, "substring 1 2");
assertExpression(SummaryExpression.class, "summary");
assertExpression(SwitchExpression.class, "switch { case '1': 2; }");
assertExpression(ThisExpression.class, "this");
assertExpression(ToArrayExpression.class, "to_array");
assertExpression(ToByteExpression.class, "to_byte");
assertExpression(ToDoubleExpression.class, "to_double");
assertExpression(ToFloatExpression.class, "to_float");
assertExpression(ToIntegerExpression.class, "to_int");
assertExpression(TokenizeExpression.class, "tokenize");
assertExpression(TokenizeExpression.class, "tokenize stem");
assertExpression(TokenizeExpression.class, "tokenize stem normalize");
assertExpression(TokenizeExpression.class, "tokenize stem:\"ALL\" normalize");
assertExpression(TokenizeExpression.class, "tokenize stem:\"ALL\"");
assertExpression(TokenizeExpression.class, "tokenize normalize");
assertExpression(TokenizeExpression.class, "tokenize max-occurrences: 15", Optional.of("tokenize max-occurrences:15"));
assertExpression(ToLongExpression.class, "to_long");
assertExpression(ToPositionExpression.class, "to_pos");
assertExpression(ToStringExpression.class, "to_string");
assertExpression(ToWsetExpression.class, "to_wset");
assertExpression(ToBoolExpression.class, "to_bool");
assertExpression(ToWsetExpression.class, "to_wset create_if_non_existent");
assertExpression(ToWsetExpression.class, "to_wset remove_if_zero");
assertExpression(ToWsetExpression.class, "to_wset create_if_non_existent remove_if_zero");
assertExpression(ToWsetExpression.class, "to_wset remove_if_zero create_if_non_existent");
assertExpression(TrimExpression.class, "trim");
assertExpression(ZCurveExpression.class, "zcurve");
assertExpression(ChoiceExpression.class, "input foo || \"\"");
}
private static void assertExpression(Class expectedClass, String str) throws ParseException {
assertExpression(expectedClass, str, Optional.empty());
}
private static void assertExpression(Class expectedClass, String str, Optional<String> expStr) throws ParseException {
Linguistics linguistics = new SimpleLinguistics();
Expression foo = Expression.fromString(str, linguistics, Embedder.throwsOnUse.asMap());
assertEquals(expectedClass, foo.getClass());
if (expStr.isPresent()) {
assertEquals(expStr.get(), foo.toString());
}
Expression bar = Expression.fromString(foo.toString(), linguistics, Embedder.throwsOnUse.asMap());
assertEquals(foo.hashCode(), bar.hashCode());
assertEquals(foo, bar);
}
}
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