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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.StringFieldValue;
import com.yahoo.language.Language;
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.assertEquals;
import static org.junit.Assert.assertFalse;
/**
* @author Simon Thoresen Hult
*/
public class SetLanguageTestCase {
@Test
public void requireThatHashCodeAndEqualsAreImplemented() {
Expression exp = new SetLanguageExpression();
assertFalse(exp.equals(new Object()));
assertEquals(exp, new SetLanguageExpression());
assertEquals(exp.hashCode(), new SetLanguageExpression().hashCode());
}
@Test
public void requireThatExpressionCanBeVerified() {
Expression exp = new SetLanguageExpression();
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");
}
@Test
public void testsettingEnglish() {
ExecutionContext ctx = new ExecutionContext(new SimpleTestAdapter());
ctx.setValue(new StringFieldValue("en"));
new SetLanguageExpression().execute(ctx);
assertEquals(Language.ENGLISH, ctx.getLanguage());
}
@Test
public void testSettingUnknown() {
ExecutionContext ctx = new ExecutionContext(new SimpleTestAdapter());
ctx.setValue(new StringFieldValue("unknown"));
new SetLanguageExpression().execute(ctx);
assertEquals(Language.UNKNOWN, ctx.getLanguage());
}
}
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