JUnit4ProviderUtilTest.java

package org.apache.maven.surefire.common.junit4;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import junit.framework.TestCase;
import org.apache.maven.surefire.testset.TestSetFailedException;
import org.junit.runner.Description;
import org.junit.runner.notification.Failure;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import static org.apache.maven.surefire.common.junit4.JUnit4ProviderUtil.*;

/**
 * @author Qingzhou Luo
 */
public class JUnit4ProviderUtilTest
    extends TestCase
{
    public void testGenerateFailingTests() throws TestSetFailedException
    {
        List<Failure> failures = new ArrayList<Failure>(  );

        Description test1Description = Description.createTestDescription( T1.class, "testOne" );
        Description test2Description = Description.createTestDescription( T1.class, "testTwo" );
        Description test3Description = Description.createTestDescription( T2.class, "testThree" );
        Description test4Description = Description.createTestDescription( T2.class, "testFour" );
        Description test5Description = Description.createSuiteDescription( "Test mechanism" );

        failures.add( new Failure( test1Description, new AssertionError() ) );
        failures.add( new Failure( test2Description, new AssertionError() ) );
        failures.add( new Failure( test3Description, new RuntimeException() ) );
        failures.add( new Failure( test4Description, new AssertionError() ) );
        failures.add( new Failure( test5Description, new RuntimeException() ) );

        Map<Class<?>, Set<String>> result =  generateFailingTests( failures, getClass().getClassLoader() );

        assertEquals( 2, result.size() );
        Set<String> resultForT1 = result.get( T1.class );
        Set<String> resultForT2 = result.get( T2.class );

        Set<String> expectedResultForT1 = new HashSet<String>();
        expectedResultForT1.add( "testOne" );
        expectedResultForT1.add( "testTwo" );
        Set<String> expectedResultForT2 = new HashSet<String>();
        expectedResultForT2.add( "testThree" );
        expectedResultForT2.add( "testFour" );

        assertEquals( expectedResultForT1, resultForT1 );
        assertEquals( expectedResultForT2, resultForT2 );
    }

    public void testIllegalTestDescription$NegativeTest()
    {
        Description test = Description.createSuiteDescription( "someTestMethod" );
        ClassMethod classMethod = cutTestClassAndMethod( test );
        assertFalse( classMethod.isValid() );
    }

    public void testOldJUnitParameterizedDescriptionParser()
    {
        Description test = Description.createTestDescription( T1.class, " \n testMethod[5] " );
        assertEquals( " \n testMethod[5] (" + T1.class.getName() + ")", test.getDisplayName() );
        ClassMethod classMethod = cutTestClassAndMethod( test );
        assertTrue( classMethod.isValid() );
        assertEquals( "testMethod[5]", classMethod.getMethod() );
        assertEquals( T1.class.getName(), classMethod.getClazz() );
    }

    public void testNewJUnitParameterizedDescriptionParser()
    {
        Description test = Description.createTestDescription( T1.class, "flakyTest[3: (Test11); Test12; Test13;]" );
        ClassMethod classMethod = cutTestClassAndMethod( test );
        assertTrue( classMethod.isValid() );
        assertEquals( "flakyTest[3: (Test11); Test12; Test13;]", classMethod.getMethod() );
        assertEquals( T1.class.getName(), classMethod.getClazz() );
    }

    class T1
    {

    }

    class T2
    {

    }
}