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package org.traccar.handler;
import java.util.Date;
import org.junit.Test;
import org.traccar.model.Attribute;
import org.traccar.model.Position;
import static org.junit.Assert.assertEquals;
public class ComputedAttributesTest {
@Test
public void testComputedAttributes() {
Position position = new Position();
ComputedAttributesHandler computedAttributesHandler = new ComputedAttributesHandler();
Date date = new Date();
position.setTime(date);
position.setSpeed(42);
position.setValid(false);
position.set("adc1", 128);
position.set("booleanFlag", true);
position.set("adc2", 100);
position.set("bitFlag", 7);
position.set("event", 42);
position.set("result", "success");
Attribute attribute = new Attribute();
attribute.setExpression("adc1");
assertEquals(128, computedAttributesHandler.computeAttribute(attribute, position));
attribute.setExpression("!booleanFlag");
assertEquals(false, computedAttributesHandler.computeAttribute(attribute, position));
attribute.setExpression("adc2 * 2 + 50");
assertEquals(250, computedAttributesHandler.computeAttribute(attribute, position));
attribute.setExpression("(bitFlag & 4) != 0");
assertEquals(true, computedAttributesHandler.computeAttribute(attribute, position));
attribute.setExpression("if (event == 42) \"lowBattery\"");
assertEquals("lowBattery", computedAttributesHandler.computeAttribute(attribute, position));
attribute.setExpression("speed > 5 && valid");
assertEquals(false, computedAttributesHandler.computeAttribute(attribute, position));
attribute.setExpression("fixTime");
assertEquals(date, computedAttributesHandler.computeAttribute(attribute, position));
attribute.setExpression("math:pow(adc1, 2)");
assertEquals(16384.0, computedAttributesHandler.computeAttribute(attribute, position));
// modification tests
attribute.setExpression("adc1 = 256");
computedAttributesHandler.computeAttribute(attribute, position);
assertEquals(128, position.getInteger("adc1"));
attribute.setExpression("result = \"fail\"");
computedAttributesHandler.computeAttribute(attribute, position);
assertEquals("success", position.getString("result"));
attribute.setExpression("fixTime = \"2017-10-18 10:00:01\"");
computedAttributesHandler.computeAttribute(attribute, position);
assertEquals(date, position.getFixTime());
}
}
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