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/*
* SonarQube
* Copyright (C) 2009-2025 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program 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 3 of the License, or (at your option) any later version.
*
* This program 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 program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.duplications.statement;
import java.util.List;
import org.junit.Test;
import org.sonar.duplications.statement.matcher.TokenMatcher;
import org.sonar.duplications.token.Token;
import org.sonar.duplications.token.TokenQueue;
import static java.util.Arrays.asList;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyList;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.when;
public class StatementChannelDisptacherTest {
@Test(expected = IllegalStateException.class)
public void shouldThrowAnException() {
TokenMatcher tokenMatcher = mock(TokenMatcher.class);
StatementChannel channel = StatementChannel.create(tokenMatcher);
StatementChannelDisptacher dispatcher = new StatementChannelDisptacher(asList(channel));
TokenQueue tokenQueue = mock(TokenQueue.class);
when(tokenQueue.peek()).thenReturn(new Token("a", 1, 0)).thenReturn(null);
List<Statement> statements = mock(List.class);
dispatcher.consume(tokenQueue, statements);
}
@Test
public void shouldConsume() {
TokenMatcher tokenMatcher = mock(TokenMatcher.class);
when(tokenMatcher.matchToken(any(TokenQueue.class), anyList())).thenReturn(true);
StatementChannel channel = StatementChannel.create(tokenMatcher);
StatementChannelDisptacher dispatcher = new StatementChannelDisptacher(asList(channel));
TokenQueue tokenQueue = mock(TokenQueue.class);
when(tokenQueue.peek()).thenReturn(new Token("a", 1, 0)).thenReturn(null);
List<Statement> statements = mock(List.class);
assertThat(dispatcher.consume(tokenQueue, statements), is(true));
verify(tokenQueue, times(2)).peek();
verifyNoMoreInteractions(tokenQueue);
verifyNoMoreInteractions(statements);
}
}
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