package org.apache.maven.plugin.surefire.booterclient.lazytestprovider;
/*
* 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 org.apache.maven.surefire.booter.Command;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import java.io.IOException;
import java.util.Iterator;
import java.util.NoSuchElementException;
import static org.apache.maven.plugin.surefire.booterclient.lazytestprovider.TestLessInputStream.TestLessInputStreamBuilder;
import static org.apache.maven.surefire.booter.Command.NOOP;
import static org.apache.maven.surefire.booter.Command.SKIP_SINCE_NEXT_TEST;
import static org.apache.maven.surefire.booter.MasterProcessCommand.SHUTDOWN;
import static org.apache.maven.surefire.booter.Shutdown.EXIT;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
/**
* Testing cached and immediate commands in {@link TestLessInputStream}.
*
* @author <a href="mailto:tibordigana@apache.org">Tibor Digana (tibor17)</a>
* @since 2.19
*/
public class TestLessInputStreamBuilderTest
{
@Rule
public final ExpectedException e = ExpectedException.none();
@Test
public void cachableCommandsShouldBeIterableWithStillOpenIterator()
{
TestLessInputStreamBuilder builder = new TestLessInputStreamBuilder();
TestLessInputStream is = builder.build();
Iterator<Command> iterator = builder.getIterableCachable().iterator();
assertFalse( iterator.hasNext() );
builder.getCachableCommands().skipSinceNextTest();
assertTrue( iterator.hasNext() );
assertThat( iterator.next(), is( SKIP_SINCE_NEXT_TEST ) );
assertFalse( iterator.hasNext() );
builder.getCachableCommands().noop();
assertTrue( iterator.hasNext() );
assertThat( iterator.next(), is( NOOP ) );
builder.removeStream( is );
}
@Test
public void immediateCommands()
throws IOException
{
TestLessInputStreamBuilder builder = new TestLessInputStreamBuilder();
TestLessInputStream is = builder.build();
assertThat( is.availablePermits(), is( 0 ) );
is.noop();
assertThat( is.availablePermits(), is( 1 ) );
is.beforeNextCommand();
assertThat( is.availablePermits(), is( 0 ) );
assertThat( is.nextCommand(), is( NOOP ) );
assertThat( is.availablePermits(), is( 0 ) );
e.expect( NoSuchElementException.class );
is.nextCommand();
}
@Test
public void combinedCommands()
throws IOException
{
TestLessInputStreamBuilder builder = new TestLessInputStreamBuilder();
TestLessInputStream is = builder.build();
assertThat( is.availablePermits(), is( 0 ) );
builder.getCachableCommands().skipSinceNextTest();
is.noop();
assertThat( is.availablePermits(), is( 2 ) );
is.beforeNextCommand();
assertThat( is.availablePermits(), is( 1 ) );
assertThat( is.nextCommand(), is( NOOP ) );
assertThat( is.availablePermits(), is( 1 ) );
builder.getCachableCommands().skipSinceNextTest();
assertThat( is.availablePermits(), is( 1 ) );
builder.getImmediateCommands().shutdown( EXIT );
assertThat( is.availablePermits(), is( 2 ) );
is.beforeNextCommand();
assertThat( is.nextCommand().getCommandType(), is( SHUTDOWN ) );
assertThat( is.availablePermits(), is( 1 ) );
is.beforeNextCommand();
assertThat( is.nextCommand(), is( SKIP_SINCE_NEXT_TEST ) );
assertThat( is.availablePermits(), is( 0 ) );
builder.getImmediateCommands().noop();
assertThat( is.availablePermits(), is( 1 ) );
builder.getCachableCommands().shutdown( EXIT );
builder.getCachableCommands().shutdown( EXIT );
assertThat( is.availablePermits(), is( 2 ) );
is.beforeNextCommand();
assertThat( is.nextCommand(), is( NOOP ) );
assertThat( is.availablePermits(), is( 1 ) );
is.beforeNextCommand();
assertThat( is.nextCommand().getCommandType(), is( SHUTDOWN ) );
assertThat( is.availablePermits(), is( 0 ) );
e.expect( NoSuchElementException.class );
is.nextCommand();
}
}