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package com.fanruan.api.cal;
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import com.fanruan.api.Prepare;
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import com.fr.base.Parameter;
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import com.fr.script.Calculator;
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import com.fr.stable.ParameterProvider;
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import com.fr.stable.UtilEvalError;
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import com.fr.stable.script.NameSpace;
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import org.junit.Assert;
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import org.junit.Test;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.TreeMap;
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/**
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* @author richie
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* @version 10.0
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* Created by richie on 2019-08-16
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*/
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public class ParameterKitTest extends Prepare {
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@Test
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public void analyze4ParametersFromFormula() {
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ParameterProvider[] providers = ParameterKit.analyze4ParametersFromFormula("=sum($p1, $p2) + max($p4 - 1, pow(2, $p5))");
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TreeMap<String, Object> map = new TreeMap<>();
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for (ParameterProvider provider : providers) {
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map.put(provider.getName(), provider.getValue());
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}
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String[] names = map.keySet().toArray(new String[0]);
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Assert.assertArrayEquals(new String[]{"p1", "p2", "p4", "p5"}, names);
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}
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@Test
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public void createParameterMapNameSpace() {
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Map<String, Object> map = new HashMap<>();
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map.put("p1", 100);
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map.put("p2", 200);
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NameSpace ns = ParameterKit.createParameterMapNameSpace(map);
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Calculator calculator = Calculator.createCalculator();
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calculator.pushNameSpace(ns);
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try {
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Object r = calculator.eval("=$p1 + $p2");
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Assert.assertEquals(300, r);
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} catch (UtilEvalError utilEvalError) {
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Assert.fail();
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} finally {
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calculator.removeNameSpace(ns);
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}
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}
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@Test
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public void newParameter() {
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ParameterProvider provider = ParameterKit.newParameter();
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Assert.assertTrue(provider instanceof Parameter);
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}
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@Test
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public void newParameter1() {
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ParameterProvider provider = ParameterKit.newParameter("p1", "124");
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Assert.assertEquals("p1", provider.getName());
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Assert.assertEquals("124", provider.getValue());
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}
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}
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