io.konik.zugferd.RandomInvoiceTest.java Source code

Introduction

Here is the source code for io.konik.zugferd.RandomInvoiceTest.java

Source

/*
 * Copyright (C) 2014 konik.io
 *
 * This file is part of Konik library.
 *
 * Konik library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Konik library 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with Konik library.  If not, see <http://www.gnu.org/licenses/>.
 */
package io.konik.zugferd;

import static io.konik.utils.InvoiceLoaderUtils.getSchemaValidator;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.assertNotNull;
import static org.unitils.reflectionassert.ReflectionComparatorMode.IGNORE_DEFAULTS;
import static org.unitils.reflectionassert.ReflectionComparatorMode.LENIENT_DATES;
import io.konik.InvoiceTransformer;
import io.konik.PrittyPrintInvoiceTransformer;
import io.konik.utils.RandomInvoiceGenerator;
import io.konik.validation.InvoiceValidator;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.StringReader;
import java.nio.charset.Charset;
import java.util.Set;

import javax.validation.ConstraintViolation;
import javax.xml.transform.stream.StreamSource;

import org.apache.commons.lang3.StringUtils;
import org.custommonkey.xmlunit.Diff;
import org.custommonkey.xmlunit.XMLUnit;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Test;
import org.unitils.reflectionassert.ReflectionAssert;
import org.xml.sax.SAXException;

import com.google.common.io.Files;

@SuppressWarnings("javadoc")
public class RandomInvoiceTest {
    static Charset utf8 = Charset.forName("UTF-8");
    private static final String TARGET_RANDOM_ZF_INVOICE_XML = "target/random_zf_invoice.xml";
    private static final String TARGET_RANDOM_ZF_INVOICE_XML_2ND = "target/random_zf_invoice_2ndrun.xml";

    private final static InvoiceTransformer transformer = new PrittyPrintInvoiceTransformer();

    private static Invoice randomInvoice;
    private static String randomInvoiceAsXml;
    private static InvoiceValidator validator;

    @BeforeClass
    public static void setup() {
        initXmlDiff();
        validator = new InvoiceValidator();
        createInvoiceContent();
    }

    private static void createInvoiceContent() {
        randomInvoice = new RandomInvoiceGenerator().generate(Invoice.class);
        assertNotNull(randomInvoice);
        byte[] xmlFromModel = transformer.fromModel(randomInvoice);
        randomInvoiceAsXml = new String(xmlFromModel, utf8);
        assertNotNull(randomInvoiceAsXml);
    }

    private static void initXmlDiff() {
        XMLUnit.setIgnoreWhitespace(true);
        XMLUnit.setIgnoreAttributeOrder(false);
        XMLUnit.setIgnoreComments(true);
    }

    @Test
    public void writeRandomInvoiceToFileSystem() throws IOException {
        File xmlInvoiceOutputfile = new File(TARGET_RANDOM_ZF_INVOICE_XML);
        Files.write(randomInvoiceAsXml, xmlInvoiceOutputfile, utf8);
        String firstLine = Files.readFirstLine(xmlInvoiceOutputfile, utf8);
        assertThat(firstLine).startsWith("<?xml version=");
    }

    @Test
    public void validateRandomInvoiceAgainstSchema() throws SAXException, IOException {
        //validate
        StringReader reader = new StringReader(randomInvoiceAsXml);
        getSchemaValidator().validate(new StreamSource(reader));
    }

    @Test
    //   @Ignore("Until Random Generator is correct.")
    public void validateRandomInvoice() {
        //setup
        //      Class<?>[] validationGroups = InvoiceValidator.resolveIntoValidationGroups(invoice.getContext().getGuideline().getConformanceLevel());

        //execute
        Set<ConstraintViolation<Invoice>> validationResult = validator.validate(randomInvoice);

        //verify
        if (!validationResult.isEmpty()) {
            System.out.println("Validation Errors:");
            for (ConstraintViolation<Invoice> constraintViolation : validationResult) {
                String left = StringUtils.rightPad(constraintViolation.getPropertyPath().toString(), 100);
                System.out.println(left + constraintViolation.getMessage() + " invalid value is: "
                        + constraintViolation.getInvalidValue());
            }
            assertThat(validationResult).as("See System out for details").isEmpty();
        }
    }

    @Test
    public void compareXMLFileForDifferences() throws SAXException, IOException {
        Invoice controlInvoice = transformer.toModel(new ByteArrayInputStream(randomInvoiceAsXml.getBytes()));
        byte[] toModel = transformer.fromModel(controlInvoice);
        Files.write(toModel, new File(TARGET_RANDOM_ZF_INVOICE_XML_2ND));
        String controlInvoiceAsXml = new String(toModel, utf8);

        //Verify
        Diff diff = new Diff(randomInvoiceAsXml, controlInvoiceAsXml);
        assertThat(diff.identical()).as(diff.toString()).isTrue();
    }

    @Test
    @Ignore("rounding is indicated as error")
    public void compareInvoiceModels() {
        Invoice invoice2 = transformer.toModel(new ByteArrayInputStream(randomInvoiceAsXml.getBytes()));
        ReflectionAssert.assertReflectionEquals(randomInvoice, invoice2, IGNORE_DEFAULTS, LENIENT_DATES);
    }

}