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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.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
*/
public class JoinTestCase {
@Test
public void requireThatAccessorsWork() {
JoinExpression exp = new JoinExpression("foo");
assertEquals("foo", exp.getDelimiter());
}
@Test
public void requireThatHashCodeAndEqualsAreImplemented() {
Expression exp = new JoinExpression("foo");
assertFalse(exp.equals(new Object()));
assertFalse(exp.equals(new JoinExpression("bar")));
assertEquals(exp, new JoinExpression("foo"));
assertEquals(exp.hashCode(), new JoinExpression("foo").hashCode());
}
@Test
public void requireThatExpressionCanBeVerified() {
Expression exp = new JoinExpression(";");
assertVerify(DataType.getArray(DataType.INT), exp, DataType.STRING);
assertVerify(DataType.getArray(DataType.STRING), exp, DataType.STRING);
assertVerifyThrows(null, exp, "Expected any input, but no input is specified");
assertVerifyThrows(DataType.INT, exp, "Expected Array input, got int");
}
@Test
public void requireThatValueIsJoined() {
ExecutionContext ctx = new ExecutionContext(new SimpleTestAdapter());
Array<StringFieldValue> arr = new Array<>(DataType.getArray(DataType.STRING));
arr.add(new StringFieldValue("6"));
arr.add(new StringFieldValue("9"));
ctx.setValue(arr);
new JoinExpression(";").execute(ctx);
assertEquals(new StringFieldValue("6;9"), ctx.getValue());
}
@Test
public void requireThatNonArrayInputThrows() {
try {
new JoinExpression(";").execute(new StringFieldValue("foo"));
fail();
} catch (IllegalArgumentException e) {
assertEquals("Expected Array input, got string", e.getMessage());
}
}
@Test
public void requireThatAccessorWorks() {
JoinExpression exp = new JoinExpression(";");
assertEquals(";", exp.getDelimiter());
}
}
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