JavaScriptTest

package com.nextuser.template.plugins;

import static org.junit.Assert.assertEquals;

import java.util.ArrayList;
import java.util.List;

import org.junit.Test;
import org.mozilla.javascript.NativeObject;
import org.mozilla.javascript.json.JsonParser;

import com.nextuser.template.JavaScript;

public class JavaScriptTest {

	@Test
	public void testBeardJS_CallRenderMethod() throws Exception {
		
		JavaScript js = new JavaScript( readFile("src/main/resrouces/beard.js"));
		
		js.addScript("var beard = new Beard();");
		
		js.putJSObject("tpl", "Hello <%= var1 %> <%= var2 %> <%= var3 %> <%@ elem1 %> world!");
		
		js.addScript("beard.set(tpl);");

		JsonParser parser = new JsonParser(js.getContext(), js.getScope());

		Object data = parser
				.parseValue(readFile("src/test/resources/variables.json"));

		Object elements = parser
				.parseValue(readFile("src/test/resources/elements.json"));

		js.putJSObject("data", data)
			.putJSObject("elements", elements);

		js.addScript("beard.dat = data; beard.elements = elements;");
		
		Object result = js.execute("beard.render(data);", false);
		
		assertEquals(
				"Hello Variable One Variable Two Variable Three Element 1 world!",
				result.toString());

	}

	@Test
	public void testBeardJS_CallSetElements() throws Exception {

		String resource = readFile("src/main/resrouces/beard.js");

		JavaScript js = new JavaScript(resource);

		js.addScript("var beard = new Beard();");

		js.putJSObject("key", "elem2").putJSObject("value", "Element2");

		js.addScript("beard.elements[key] = value;");

		NativeObject result = (NativeObject) js.execute("beard.elements", true);

		assertEquals(1, result.keySet().size());

		List<Object> keys = new ArrayList<Object>(result.keySet());

		assertEquals("elem2", keys.get(0));

		assertEquals("Element2", result.get(keys.get(0)));
	}

	public static String readFile(String filepath) throws Exception {

		java.io.FileReader infile = new java.io.FileReader(filepath);

		java.util.Scanner indata = new java.util.Scanner(infile);

		StringBuilder result = new StringBuilder();

		while (indata.hasNextLine()) {
			result.append(indata.nextLine() + "\n");
		}

		infile.close();
		indata.close();

		return result.toString();
	}
}