WellformednessCheckerTest.java

/*
 * Copyright 2016 Christoph Böhme
 *
 * 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.test.validators;

import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyZeroInteractions;

import java.util.function.Consumer;

import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

/**
 * Tests for class {@link WellformednessChecker}.
 *
 * @author Christoph Böhme
 *
 */
public final class WellformednessCheckerTest {

	@Mock
	private Consumer<String> errorHandler;

	private WellformednessChecker wellformednessChecker;

	@Before
	public void setup() {
		MockitoAnnotations.initMocks(this);
		wellformednessChecker = new WellformednessChecker();
		wellformednessChecker.setErrorHandler(errorHandler);
	}

	@Test
	public void shouldAcceptValidStream() {
		wellformednessChecker.startRecord("id1");
		wellformednessChecker.literal("literal1", "value1");
		wellformednessChecker.startEntity("entity1");
		wellformednessChecker.literal("literal2", "value2");
		wellformednessChecker.startEntity("entity2");
		wellformednessChecker.literal("literal3", "value3");
		wellformednessChecker.endEntity();
		wellformednessChecker.endEntity();
		wellformednessChecker.endRecord();
		wellformednessChecker.startRecord("id2");
		wellformednessChecker.startEntity("entity3");
		wellformednessChecker.literal("literal4", "value4");
		wellformednessChecker.endEntity();
		wellformednessChecker.endRecord();
		wellformednessChecker.closeStream();

		verifyZeroInteractions(errorHandler);
	}

	@Test
	public void shouldAcceptEmptyStream() {
		wellformednessChecker.closeStream();

		verifyZeroInteractions(errorHandler);
	}

	@Test
	public void shouldReportNullRecordId() {
		wellformednessChecker.startRecord(null);

		verify(errorHandler).accept(any());
	}

	@Test
	public void shouldReportNullEntityName() {
		wellformednessChecker.startRecord("id1");
		wellformednessChecker.startEntity(null);

		verify(errorHandler).accept(any());
	}

	@Test
	public void shouldReportNullLiteralName() {
		wellformednessChecker.startRecord("id1");
		wellformednessChecker.literal(null, "value1");

		verify(errorHandler).accept(any());
	}

	@Test
	public void shouldNotIgnoreStartRecordEventWithNullId() {
		wellformednessChecker.startRecord(null);
		verify(errorHandler).accept(any());

		wellformednessChecker.literal("literal", "value");
		wellformednessChecker.endRecord();

		verifyZeroInteractions(errorHandler);
	}

	@Test
	public void shouldNotIgnoreStartEntityEventWithNullName() {
		wellformednessChecker.startRecord("id");
		wellformednessChecker.startEntity(null);
		verify(errorHandler).accept(any());

		wellformednessChecker.literal("literal", "value");
		wellformednessChecker.endEntity();
		wellformednessChecker.endRecord();

		verifyZeroInteractions(errorHandler);
	}

	@Test
	public void shouldReportStartRecordInsideRecord() {
		wellformednessChecker.startRecord("id1");
		wellformednessChecker.startRecord("id2");

		verify(errorHandler).accept(any());
	}

	@Test
	public void shouldReportEndRecordOutsideRecord() {
		wellformednessChecker.endRecord();

		verify(errorHandler).accept(any());
	}

	@Test
	public void shouldReportStartEntityOutsideRecord() {
		wellformednessChecker.startEntity("entity1");

		verify(errorHandler).accept(any());
	}

	@Test
	public void shouldReportEndEntityOutsideRecord() {
		wellformednessChecker.endEntity();

		verify(errorHandler).accept(any());
	}

	@Test
	public void shouldReportUnmatchedEndEntity() {
		wellformednessChecker.startRecord("id1");
		wellformednessChecker.endEntity();

		verify(errorHandler).accept(any());
	}

	@Test
	public void shouldReportLiteralOutsideRecord() {
		wellformednessChecker.literal("literal1", "value1");

		verify(errorHandler).accept(any());
	}

	@Test
	public void shouldReportUnclosedRecord() {
		wellformednessChecker.startRecord("id1");
		wellformednessChecker.closeStream();

		verify(errorHandler).accept(any());
	}

	@Test
	public void shouldReportUnclosedEntityAtEndRecord() {
		wellformednessChecker.startRecord("id1");
		wellformednessChecker.startEntity("entity1");
		wellformednessChecker.endRecord();

		verify(errorHandler).accept(any());
	}

	@Test
	public void shouldReportUnclosedEntityAtCloseStream() {
		wellformednessChecker.startRecord("id1");
		wellformednessChecker.startEntity("entity1");
		wellformednessChecker.closeStream();

		verify(errorHandler).accept(any());
	}

}