JsonTemplateFormatterTest.java

package com.epam.wilma.webapp.stub.response.formatter.json;
/*==========================================================================
Copyright 2013-2017 EPAM Systems

This file is part of Wilma.

Wilma is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Wilma is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Wilma.  If not, see <http://www.gnu.org/licenses/>.
===========================================================================*/

import static org.testng.Assert.assertEquals;

import org.testng.annotations.BeforeMethod;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

import com.epam.wilma.domain.http.WilmaHttpRequest;

import javax.servlet.http.HttpServletResponse;

/**
 * Unit test for {@code JsonTemplateFormatter}.
 *
 * @author Balazs_Berkes
 */
public class JsonTemplateFormatterTest {

    private WilmaHttpRequest wilmaRequest;

    private JsonTemplateFormatter underTest;

    private HttpServletResponse response;

    @BeforeMethod
    public void setup() {
        underTest = new JsonTemplateFormatter();
    }

    @DataProvider(name = "messages")
    public Object[][] validDataProvider() {
        return new Object[][]{{refundRequest(), refundTemplate(), refundExpectedResponse()}, {gotRequest(), gotTemplate(), gotExpectedResponse()}};
    }

    @Test(dataProvider = "messages")
    public void testFormatTemplate(String request, String template, String expected) throws Exception {
        givenWilmaRequestWithBody(request);

        byte[] formattedResponse = underTest.formatTemplate(wilmaRequest, response, template.getBytes(), null);

        assertEquals(whitespaceFree(new String(formattedResponse)), whitespaceFree(expected));
    }

    private String whitespaceFree(String string) {
        return string.replaceAll("\\s", "");
    }

    private void givenWilmaRequestWithBody(String requestBody) {
        wilmaRequest = new WilmaHttpRequest();
        wilmaRequest.setBody(requestBody);
    }


    private String refundRequest() {
        return "{\n"
                + "   \"request\":[\n"
                + "      {\n"
                + "         \"id\":\"103\",\n"
                + "         \"number\":\"1\",\n"
                + "         \"name\":\"John Smith\",\n"
                + "         \"pet\":\"cat\",\n"
                + "         \"email\":\"a@gmail.com\"\n"
                + "      }"
                + "   ]\n"
                + "}";
    }

    private String refundTemplate() {
        return "{\n"
                + "   \"id\":\"2\",\n"
                + "   \"response\":[\n"
                + "      {\n"
                + "         \"id\":\"$.request[0].id\",\n"
                + "         \"number\":\"$.request[0].number\",\n"
                + "         \"pet\":\"$.request[0].pet\"\n"
                + "      }\n"
                + "   ]\n"
                + "}";
    }

    private String refundExpectedResponse() {
        return "{\n"
                + "   \"id\":\"2\",\n"
                + "   \"response\":[\n"
                + "      {\n"
                + "         \"id\":\"103\",\n"
                + "         \"number\":\"1\",\n"
                + "         \"pet\":\"cat\"\n"
                + "      }\n"
                + "   ]"
                + "}";
    }

    private String gotRequest() {
        return "{\n" + "   \"characters\":[\n" + "      {\n"
                + "         \"name\":\"Jaime Lannister\",\n"
                + "         \"title\":\"The Kingslayer\",\n"
                + "         \"location\":\"King's Landing\"\n" + "      },\n"
                + "      {\n" + "         \"name\":\"Arya Stark\",\n"
                + "         \"title\":\"Cat of the Canals\",\n"
                + "         \"location\":\"Unknown\"\n" + "      }\n"
                + "   ],\n" + "   \"story\":\"Song of Ice and Fire\"\n" + "}";
    }

    private String gotTemplate() {
        return "{\n" + "   \"yourFavorites\":{\n"
                + "      \"theFavorite\":\"$.characters[0].name\",\n"
                + "      \"secondFavorite\":\"$.characters[1].name\"\n"
                + "   }\n" + "}";
    }

    private String gotExpectedResponse() {
        return "{\n" + "   \"yourFavorites\":{\n"
                + "      \"theFavorite\":\"Jaime Lannister\",\n"
                + "      \"secondFavorite\":\"Arya Stark\"\n" + "   }\n" + "}";
    }
}