/**
* Copyright 2015-2016 Red Hat, Inc, and individual contributors.
*
* Licensed 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.
*/
package org.wildfly.swarm.cli;
import org.junit.Test;
import static org.fest.assertions.Assertions.assertThat;
import static org.fest.assertions.Fail.fail;
/**
* @author Bob McWhirter
*/
public class ParseStateTest {
@Test
public void testEmptyState() {
ParseState state = new ParseState();
assertThat(state.la()).isNull();
}
@Test
public void testOne() {
ParseState state = new ParseState( "--help" );
assertThat(state.la()).isEqualTo( "--help" );
assertThat(state.la()).isEqualTo( "--help" );
assertThat(state.la()).isEqualTo( "--help" );
assertThat(state.la()).isEqualTo( "--help" );
assertThat(state.consume()).isEqualTo( "--help" );
assertThat(state.la()).isNull();
}
@Test
public void testMany() {
ParseState state = new ParseState(
"--help",
"--version",
"foo",
"-Dbar=cheese",
"-Dfoo"
);
assertThat( state.la() ).isEqualTo( "--help" );
assertThat( state.consume() ).isEqualTo( "--help" );
assertThat( state.la() ).isEqualTo( "--version" );
assertThat( state.consume() ).isEqualTo( "--version" );
assertThat( state.la() ).isEqualTo( "foo" );
assertThat( state.consume() ).isEqualTo( "foo" );
assertThat( state.la() ).isEqualTo( "-Dbar=cheese" );
assertThat( state.consume() ).isEqualTo( "-Dbar=cheese" );
assertThat( state.la() ).isEqualTo( "-Dfoo" );
assertThat( state.consume() ).isEqualTo( "-Dfoo" );
assertThat( state.la() ).isNull();
}
@Test(expected = RuntimeException.class)
public void testTooMuchConsume() {
ParseState state = new ParseState("foo");
assertThat( state.consume() ).isEqualTo( "foo" );
state.consume();
}
}