/*
* ModeShape (http://www.modeshape.org)
*
* 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.modeshape.jcr.value.binary;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.mock;
import static org.modeshape.jcr.value.basic.BinaryContains.hasContent;
import static org.modeshape.jcr.value.basic.BinaryContains.hasNoContent;
import java.io.InputStream;
import org.junit.Before;
import org.junit.Test;
import org.modeshape.common.util.IoUtil;
import org.modeshape.common.util.StringUtil;
import org.modeshape.jcr.value.BinaryValue;
/**
* @author Randall Hauch
*/
public class InMemoryBinaryValueTest {
private byte[] validByteArrayContent;
private String validStringContent;
private InMemoryBinaryValue binary;
private BinaryStore store;
/**
* @throws java.lang.Exception
*/
@Before
public void setUp() throws Exception {
validStringContent = "This is a valid string content";
validByteArrayContent = this.validStringContent.getBytes("UTF-8");
store = mock(BinaryStore.class);
binary = new InMemoryBinaryValue(store, validByteArrayContent);
}
@Test
public void shouldConstructFromByteArray() {
binary = new InMemoryBinaryValue(store, validByteArrayContent);
assertThat(binary.getSize(), is((long)validByteArrayContent.length));
assertThat(binary, hasContent(validByteArrayContent));
}
@Test
public void shouldConstructFromEmptyByteArray() {
validByteArrayContent = new byte[0];
binary = new InMemoryBinaryValue(store, validByteArrayContent);
assertThat(binary.getSize(), is(0l));
assertThat(binary, hasNoContent());
}
@Test( expected = IllegalArgumentException.class )
public void shouldNotConstructFromNullByteArray() {
new InMemoryBinaryValue(store, null);
}
@Test
public void shouldHaveSizeThatMatchesContentLength() {
assertThat(binary.getSize(), is((long)validByteArrayContent.length));
}
@Test
public void shouldProvideInputStreamToContent() throws Exception {
InputStream stream = binary.getStream();
byte[] actual = IoUtil.readBytes(stream); // closes the stream
assertThat(actual.length, is(validByteArrayContent.length));
for (int i = 0, len = actual.length; i != len; ++i) {
assertThat(actual[i], is(validByteArrayContent[i]));
}
}
@Test
public void shouldConsiderEquivalentThoseInstancesWithSameContent() {
BinaryValue another = new InMemoryBinaryValue(store, validByteArrayContent);
assertThat(binary.equals(another), is(true));
assertThat(binary.compareTo(another), is(0));
assertThat(binary, is(another));
assertThat(binary, hasContent(validByteArrayContent));
assertThat(another, hasContent(validByteArrayContent));
}
@Test
public void shouldUseSizeWhenComparing() {
byte[] shorterContent = new byte[validByteArrayContent.length - 2];
for (int i = 0; i != shorterContent.length; ++i) {
shorterContent[i] = validByteArrayContent[i];
}
BinaryValue another = new InMemoryBinaryValue(store, shorterContent);
assertThat(binary.equals(another), is(false));
assertThat(binary.compareTo(another) > 0, is(true));
assertThat(another.compareTo(binary) < 0, is(true));
assertThat(another, hasContent(shorterContent));
}
@Test
public void shouldComputeSha1HashOfEmptyContent() throws Exception {
validByteArrayContent = new byte[0];
binary = new InMemoryBinaryValue(store, validByteArrayContent);
assertThat(binary.getSize(), is(0l));
assertThat(binary, hasNoContent());
byte[] hash = binary.getHash();
assertThat(hash.length, is(20));
assertThat(StringUtil.getHexString(hash), is("da39a3ee5e6b4b0d3255bfef95601890afd80709"));
}
@Test
public void shouldComputeSha1HashOfNonEmptyContent() throws Exception {
binary = new InMemoryBinaryValue(store, validByteArrayContent);
assertThat(binary.getSize(), is((long)validByteArrayContent.length));
byte[] hash = binary.getHash();
assertThat(hash.length, is(20));
assertThat(StringUtil.getHexString(hash), is("14abe696257e85ba18b7c784d6c7855f46ce50ea"));
}
}