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/*
* Copyright 2013 Google Inc.
*
* 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 com.google.common.jimfs;
import static com.google.common.jimfs.FileFactoryTest.fakePath;
import static com.google.common.jimfs.TestUtils.regularFile;
import static com.google.common.truth.Truth.assertThat;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests for {@link File}.
*
* @author Colin Decker
*/
@RunWith(JUnit4.class)
public class FileTest {
@Test
public void testAttributes() {
// these methods are basically just thin wrappers around a map, so no need to test too
// thoroughly
File file = RegularFile.create(0, new HeapDisk(10, 10, 10));
assertThat(file.getAttributeKeys()).isEmpty();
assertThat(file.getAttribute("foo", "foo")).isNull();
file.deleteAttribute("foo", "foo"); // doesn't throw
file.setAttribute("foo", "foo", "foo");
assertThat(file.getAttributeKeys()).containsExactly("foo:foo");
assertThat(file.getAttribute("foo", "foo")).isEqualTo("foo");
file.deleteAttribute("foo", "foo");
assertThat(file.getAttributeKeys()).isEmpty();
assertThat(file.getAttribute("foo", "foo")).isNull();
}
@Test
public void testFileBasics() {
File file = regularFile(0);
assertThat(file.id()).isEqualTo(0);
assertThat(file.links()).isEqualTo(0);
}
@Test
public void testDirectory() {
File file = Directory.create(0);
assertThat(file.isDirectory()).isTrue();
assertThat(file.isRegularFile()).isFalse();
assertThat(file.isSymbolicLink()).isFalse();
}
@Test
public void testRegularFile() {
File file = regularFile(10);
assertThat(file.isDirectory()).isFalse();
assertThat(file.isRegularFile()).isTrue();
assertThat(file.isSymbolicLink()).isFalse();
}
@Test
public void testSymbolicLink() {
File file = SymbolicLink.create(0, fakePath());
assertThat(file.isDirectory()).isFalse();
assertThat(file.isRegularFile()).isFalse();
assertThat(file.isSymbolicLink()).isTrue();
}
@Test
public void testRootDirectory() {
Directory file = Directory.createRoot(0, Name.simple("/"));
assertThat(file.isRootDirectory()).isTrue();
Directory otherFile = Directory.createRoot(1, Name.simple("$"));
assertThat(otherFile.isRootDirectory()).isTrue();
}
@Test
public void testLinkAndUnlink() {
File file = regularFile(0);
assertThat(file.links()).isEqualTo(0);
file.incrementLinkCount();
assertThat(file.links()).isEqualTo(1);
file.incrementLinkCount();
assertThat(file.links()).isEqualTo(2);
file.decrementLinkCount();
assertThat(file.links()).isEqualTo(1);
file.decrementLinkCount();
assertThat(file.links()).isEqualTo(0);
}
}
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