CppcheckParserTest.java

/*******************************************************************************
 * Copyright (c) 2009 Thales Corporate Services SAS                             *
 * Author : Gregory Boissinot                                                   *
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package com.thalesgroup.hudson.plugins.cppcheck;


import java.io.File;
import java.util.List;

import junit.framework.Assert;

import org.junit.Before;
import org.junit.Test;

import com.thalesgroup.hudson.plugins.cppcheck.model.CppcheckFile;
import com.thalesgroup.hudson.plugins.cppcheck.parser.CppcheckParser;

public class CppcheckParserTest {


    CppcheckParser cppcheckParser;

    @Before
    public void setUp() throws Exception {
        cppcheckParser = new CppcheckParser();
    }


    @Test
    public void nullFile() throws Exception {
        try {
            cppcheckParser.parse(null);
            Assert.fail("null parameter is not allowed.");
        }
        catch (IllegalArgumentException iea) {
            Assert.assertTrue(true);
        }
    }

    @Test
    public void nonExistFile() throws Exception {
        try {
            cppcheckParser.parse(new File("nonExistFile"));
            Assert.fail("A valid file is mandatory.");
        }
        catch (IllegalArgumentException iea) {
            Assert.assertTrue(true);
        }
    }


    @Test
    public void testcppcheck1() throws Exception {
        processCheckstyle("testcppcheck1.xml", 12, 2, 0, 2, 8, 0);
    }

    @Test
    public void testcppcheck2() throws Exception {
        processCheckstyle("testcppcheck2.xml", 18, 4, 0, 0, 14, 0);
    }

    @Test
    public void testcppcheckPart1() throws Exception {
        processCheckstyle("testcppcheck-part1.xml", 3, 0, 0, 1, 2, 0);
    }

    @Test
    public void testcppcheckPart2() throws Exception {
        processCheckstyle("testcppcheck-part2.xml", 4, 2, 0, 1, 1, 0);

    }

    private void processCheckstyle(String filename,
                                   int nbErrors,
                                   int nbSeveritiesPossibleError,
                                   int nbSeveritiesPossibleStyle,
                                   int nbStyleErrors,
                                   int nbSeveritiesError,
                                   int nbSeveritiesNoCategory) throws Exception {

        CppcheckReport cppcheckReport = cppcheckParser.parse(new File(this.getClass().getResource(filename).toURI()));

        List<CppcheckFile> everyErrors = cppcheckReport.getEverySeverities();
        List<CppcheckFile> possibileErrorSeverities = cppcheckReport.getPossibleErrorSeverities();
        List<CppcheckFile> styleErrors = cppcheckReport.getStyleSeverities();
        List<CppcheckFile> possibleStyleSeverities = cppcheckReport.getPossibleStyleSeverities();
        List<CppcheckFile> errorSeverities = cppcheckReport.getErrorSeverities();
        List<CppcheckFile> noCategorySeverities = cppcheckReport.getNoCategorySeverities();

        assert possibileErrorSeverities != null;
        assert possibleStyleSeverities != null;
        assert errorSeverities != null;
        assert everyErrors != null;
        assert styleErrors != null;
        assert noCategorySeverities != null;

        Assert.assertEquals("Wrong computing of list of errors", everyErrors.size(),
                noCategorySeverities.size() + possibleStyleSeverities.size() + errorSeverities.size() + possibileErrorSeverities.size() + styleErrors.size());

        Assert.assertEquals("Wrong total number of errors", nbErrors, everyErrors.size());
        Assert.assertEquals("Wrong total number of errors for the severity 'possible error'", nbSeveritiesPossibleError, possibileErrorSeverities.size());
        Assert.assertEquals("Wrong total number of errors for the severity 'possible style'", nbSeveritiesPossibleStyle, possibleStyleSeverities.size());
        Assert.assertEquals("Wrong total number of errors for the severity 'style'", nbStyleErrors, styleErrors.size());
        Assert.assertEquals("Wrong total number of errors for the severity 'error'", nbSeveritiesError, errorSeverities.size());
        Assert.assertEquals("Wrong total number of errors with no category", nbSeveritiesNoCategory, noCategorySeverities.size());
    }

}