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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.vespa.indexinglanguage.expressions;
import com.yahoo.document.DataType;
import com.yahoo.document.annotation.*;
import com.yahoo.document.datatypes.StringFieldValue;
import org.junit.Test;
import static com.yahoo.vespa.indexinglanguage.expressions.ExpressionAssert.assertVerify;
import static com.yahoo.vespa.indexinglanguage.expressions.ExpressionAssert.assertVerifyThrows;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
/**
* @author Simon Thoresen Hult
*/
public class FlattenTestCase {
@Test
public void requireThatHashCodeAndEqualsAreImplemented() {
Expression exp = new FlattenExpression();
assertFalse(exp.equals(new Object()));
assertEquals(exp, new FlattenExpression());
assertEquals(exp.hashCode(), new FlattenExpression().hashCode());
}
@Test
public void requireThatAnnotationsAreFlattened() {
SpanTree tree = new SpanTree(SpanTrees.LINGUISTICS);
tree.annotate(new Span(0, 3), new Annotation(AnnotationTypes.TERM, new StringFieldValue("oof")));
tree.annotate(new Span(4, 3), new Annotation(AnnotationTypes.TERM, new StringFieldValue("rab")));
tree.annotate(new Span(8, 3), new Annotation(AnnotationTypes.TERM, new StringFieldValue("zab")));
StringFieldValue val = new StringFieldValue("foo bar baz");
val.setSpanTree(tree);
assertEquals(new StringFieldValue("foo[oof] bar[rab] baz[zab]"), new FlattenExpression().execute(val));
}
@Test
public void requireThatNonTermAnnotationsAreIgnored() {
SpanTree tree = new SpanTree(SpanTrees.LINGUISTICS);
tree.annotate(new Span(0, 3), new Annotation(AnnotationTypes.STEM, new StringFieldValue("oof")));
StringFieldValue val = new StringFieldValue("foo");
val.setSpanTree(tree);
assertEquals(new StringFieldValue("foo"), new FlattenExpression().execute(val));
}
@Test
public void requireThatNonSpanAnnotationsAreIgnored() {
SpanTree tree = new SpanTree(SpanTrees.LINGUISTICS);
tree.annotate(new Annotation(AnnotationTypes.TERM, new StringFieldValue("oof")));
StringFieldValue val = new StringFieldValue("foo");
val.setSpanTree(tree);
assertEquals(new StringFieldValue("foo"), new FlattenExpression().execute(val));
}
@Test
public void requireThatAnnotationsAreSorted() {
SpanTree tree = new SpanTree(SpanTrees.LINGUISTICS);
tree.annotate(new Span(0, 3), new Annotation(AnnotationTypes.TERM, new StringFieldValue("cox")));
tree.annotate(new Span(0, 3), new Annotation(AnnotationTypes.TERM, new StringFieldValue("baz")));
tree.annotate(new Span(0, 3), new Annotation(AnnotationTypes.TERM, new StringFieldValue("bar")));
StringFieldValue val = new StringFieldValue("foo");
val.setSpanTree(tree);
assertEquals(new StringFieldValue("foo[bar, baz, cox]"), new FlattenExpression().execute(val));
}
@Test
public void requireThatAnnotationsWithoutFieldValueUseOriginalSpan() {
SpanTree tree = new SpanTree(SpanTrees.LINGUISTICS);
tree.annotate(new Span(0, 3), new Annotation(AnnotationTypes.TERM));
StringFieldValue val = new StringFieldValue("foo");
val.setSpanTree(tree);
assertEquals(new StringFieldValue("foo[foo]"), new FlattenExpression().execute(val));
}
@Test
public void requireThatExpressionCanBeVerified() {
Expression exp = new FlattenExpression();
assertVerify(DataType.STRING, exp, DataType.STRING);
assertVerifyThrows(null, exp, "Expected string input, but no input is specified");
assertVerifyThrows(DataType.INT, exp, "Expected string input, got int");
}
}
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