ConfusingConditionCheckTest.java

////////////////////////////////////////////////////////////////////////////////
// checkstyle: Checks Java source code for adherence to a set of rules.
// Copyright (C) 2001-2017 the original author or authors.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////

package com.github.sevntu.checkstyle.checks.coding;

import static com.github.sevntu.checkstyle.checks.coding.ConfusingConditionCheck.MSG_KEY;

import org.junit.Test;

import com.github.sevntu.checkstyle.BaseCheckTestSupport;
import com.puppycrawl.tools.checkstyle.DefaultConfiguration;

/**
 * @author <a href="mailto:vadim.panasiuk@gmail.com">Vadim Panasiuk</a>
 */
public class ConfusingConditionCheckTest extends BaseCheckTestSupport {

    private final String warningMessage = getCheckMessage(MSG_KEY);

    @Test
    public void testDefault() throws Exception {
        final DefaultConfiguration checkConfig = createCheckConfig(ConfusingConditionCheck.class);

        final String[] expected = {
            "10: " + warningMessage,
            "13: " + warningMessage,
            "16: " + warningMessage,
            "19: " + warningMessage,
            "22: " + warningMessage,
            "105: " + warningMessage,
            "108: " + warningMessage,
            "111: " + warningMessage,
            "149: " + warningMessage,
            "166: " + warningMessage,
            "177: " + warningMessage,
            "181: " + warningMessage,
            "200: " + warningMessage,
            "215: " + warningMessage,
            "231: " + warningMessage,
            "250: " + warningMessage,
            "259: " + warningMessage,
        };

        verify(checkConfig, getPath("InputConfusingConditionCheck.java"),
                expected);
    }

    @Test
    public void testFalseProperties() throws Exception {
        final DefaultConfiguration checkConfig = createCheckConfig(ConfusingConditionCheck.class);

        checkConfig.addAttribute("ignoreInnerIf", "false");
        checkConfig.addAttribute("ignoreNullCaseInIf", "false");
        checkConfig.addAttribute("ignoreSequentialIf", "false");
        checkConfig.addAttribute("ignoreThrowInElse", "false");

        final String[] expected = {
            "10: " + warningMessage,
            "13: " + warningMessage,
            "16: " + warningMessage,
            "19: " + warningMessage,
            "22: " + warningMessage,
            "105: " + warningMessage,
            "108: " + warningMessage,
            "111: " + warningMessage,
            "127: " + warningMessage,
            "134: " + warningMessage,
            "138: " + warningMessage,
            "145: " + warningMessage,
            "149: " + warningMessage,
            "157: " + warningMessage,
            "160: " + warningMessage,
            "162: " + warningMessage,
            "166: " + warningMessage,
            "177: " + warningMessage,
            "181: " + warningMessage,
            "199: " + warningMessage,
            "200: " + warningMessage,
            "215: " + warningMessage,
            "227: " + warningMessage,
            "231: " + warningMessage,
            "247: " + warningMessage,
            "250: " + warningMessage,
            "257: " + warningMessage,
            "259: " + warningMessage,
        };

        verify(checkConfig, getPath("InputConfusingConditionCheck.java"),
                expected);
    }

    @Test
    public void testMultiplyFactor() throws Exception {
        final DefaultConfiguration checkConfig = createCheckConfig(ConfusingConditionCheck.class);

        checkConfig.addAttribute("multiplyFactorForElseBlocks", "0");

        final String[] expected = {
            "10: " + warningMessage,
            "13: " + warningMessage,
            "16: " + warningMessage,
            "19: " + warningMessage,
            "22: " + warningMessage,
            "105: " + warningMessage,
            "108: " + warningMessage,
            "111: " + warningMessage,
            "177: " + warningMessage,
            "259: " + warningMessage,
        };

        verify(checkConfig, getPath("InputConfusingConditionCheck.java"),
                expected);
    }

    @Test
    public void testExceptions() throws Exception {
        final DefaultConfiguration checkConfig = createCheckConfig(ConfusingConditionCheck.class);

        final String[] expected = {};

        verify(checkConfig, getPath("InputConfusingConditionCheck2.java"),
                expected);
    }
}