/*
* Copyright 2010 Henry Coles
*
* 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.pitest.mutationtest.report.html;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.pitest.functional.prelude.Prelude.isEqualTo;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import org.pitest.functional.F;
import org.pitest.functional.Option;
import org.pitest.functional.prelude.Prelude;
import org.pitest.mutationtest.report.html.InputStreamLineIterable;
public class InputStreamLineIterableTest {
private InputStreamLineIterable testee;
private List<String> actual;
@Before
public void setUp() {
this.actual = new ArrayList<String>();
final StringReader input = new StringReader("1\n2\n3\n");
this.testee = new InputStreamLineIterable(input);
}
@Test
public void shouldApplyForEachToAllLines() {
this.testee.forEach(Prelude.accumulateTo(this.actual));
assertEquals(this.actual, Arrays.asList("1", "2", "3"));
}
@Test
public void shouldApplyFilterToAllLines() {
assertEquals(Arrays.asList("1"), this.testee.filter(isEqualTo("1")));
}
@Test
public void shouldApplyMapToAllLines() {
assertEquals(Arrays.asList("1", "2", "3"),
this.testee.map(Prelude.<String> id()));
}
@Test
public void shouldApplyFlatMapToAllLines() {
assertEquals(Arrays.asList("1", "3"), this.testee.flatMap(mapIfNotTwo()));
}
@Test
public void shouldReturnTrueWhenContainsCalledAndPredicateMatches() {
assertTrue(this.testee.contains(isEqualTo("1")));
}
@Test
public void shouldReturnFalseWhenContainsCalledAndPredicateDoesNotMatch() {
assertFalse(this.testee.contains(isEqualTo("10")));
}
private F<String, Option<String>> mapIfNotTwo() {
return new F<String, Option<String>>() {
@Override
public Option<String> apply(final String a) {
if (a.equals("2")) {
return Option.none();
}
return Option.some(a);
}
};
}
}