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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.datatypes.Array;
import com.yahoo.document.datatypes.FieldValue;
import com.yahoo.document.datatypes.StringFieldValue;
import com.yahoo.vespa.indexinglanguage.SimpleTestAdapter;
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.*;
/**
* @author Simon Thoresen Hult
*/
@SuppressWarnings({ "rawtypes" })
public class SplitTestCase {
@Test
public void requireThatAccessorsWork() {
SplitExpression exp = new SplitExpression("foo");
assertEquals("foo", exp.getSplitPattern().toString());
}
@Test
public void requireThatHashCodeAndEqualsAreImplemented() {
Expression exp = new SplitExpression("foo");
assertFalse(exp.equals(new Object()));
assertFalse(exp.equals(new SplitExpression("bar")));
assertEquals(exp, new SplitExpression("foo"));
assertEquals(exp.hashCode(), new SplitExpression("foo").hashCode());
}
@Test
public void requireThatExpressionCanBeVerified() {
Expression exp = new SplitExpression(";");
assertVerify(DataType.STRING, exp, DataType.getArray(DataType.STRING));
assertVerifyThrows(null, exp, "Expected string input, but no input is specified");
assertVerifyThrows(DataType.INT, exp, "Expected string input, got int");
}
@Test
public void requireThatValueIsSplit() {
ExecutionContext ctx = new ExecutionContext(new SimpleTestAdapter());
ctx.setValue(new StringFieldValue("6;9"));
new SplitExpression(";").execute(ctx);
FieldValue val = ctx.getValue();
assertTrue(val.getDataType().equals(DataType.getArray(DataType.STRING)));
assertTrue(val instanceof Array);
Array arr = (Array)val;
assertEquals(new StringFieldValue("6"), arr.get(0));
assertEquals(new StringFieldValue("9"), arr.get(1));
}
@Test
public void requireThatNullInputProducesNullOutput() {
ExecutionContext ctx = new ExecutionContext(new SimpleTestAdapter());
new SplitExpression(";").execute(ctx);
assertNull(ctx.getValue());
}
@Test
public void requireThatEmptyInputProducesEmptyArray() {
ExecutionContext ctx = new ExecutionContext(new SimpleTestAdapter());
ctx.setValue(new StringFieldValue(""));
new SplitExpression(";").execute(ctx);
FieldValue val = ctx.getValue();
assertTrue(val.getDataType().equals(DataType.getArray(DataType.STRING)));
assertTrue(val instanceof Array);
assertEquals(0, ((Array)val).size());
}
}
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