StringMatcherTest.java

/*
 * Copyright 2013, 2014 Deutsche Nationalbibliothek
 *
 * 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.culturegraph.mf.strings;

import static org.mockito.Mockito.verify;

import org.culturegraph.mf.framework.ObjectReceiver;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;


/**
 * Tests for class {@link StringMatcher}.
 *
 * @author Christoph Böhme
 *
 */
public final class StringMatcherTest {

	private static final String INPUT_STRING =
			"The pattern is not part of the input";

	private StringMatcher matcher;

	@Mock
	private ObjectReceiver<String> receiver;

	@Before
	public void setup() {
		MockitoAnnotations.initMocks(this);
		matcher = new StringMatcher();
		matcher.setReceiver(receiver);
	}

	@After
	public void cleanup() {
		matcher.closeStream();
	}

	@Test
	public void testShouldReplaceAllMatchesWithReplacementString() {
		matcher.setPattern("PLACEHOLDER");
		matcher.setReplacement("Karl");

		matcher.process("Hi PLACEHOLDER! -- Goodbye PLACEHOLDER!");

		verify(receiver).process("Hi Karl! -- Goodbye Karl!");
	}

	@Test
	public void testShouldHandleCaptureGroupReferencesInReplacementString() {
		matcher.setPattern("^([^ ]+) .*$");
		matcher.setReplacement("$1");

		matcher.process("important-bit but this can be ignored");

		verify(receiver).process("important-bit");
	}

	@Test
	public void testShouldRelayNonMatchingInput() {
		matcher.setPattern("Non-matching pattern");

		matcher.process(INPUT_STRING);

		verify(receiver).process(INPUT_STRING);
	}

}