| /* |
| * 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.truth.Truth.assertThat; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.fail; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableSet; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.nio.file.attribute.UserDefinedFileAttributeView; |
| import java.util.Arrays; |
| import java.util.Set; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** |
| * Tests for {@link UserDefinedAttributeProvider}. |
| * |
| * @author Colin Decker |
| */ |
| @RunWith(JUnit4.class) |
| public class UserDefinedAttributeProviderTest |
| extends AbstractAttributeProviderTest<UserDefinedAttributeProvider> { |
| |
| @Override |
| protected UserDefinedAttributeProvider createProvider() { |
| return new UserDefinedAttributeProvider(); |
| } |
| |
| @Override |
| protected Set<? extends AttributeProvider> createInheritedProviders() { |
| return ImmutableSet.of(); |
| } |
| |
| @Test |
| public void testInitialAttributes() { |
| // no initial attributes |
| assertThat(ImmutableList.copyOf(file.getAttributeKeys())).isEmpty(); |
| assertThat(provider.attributes(file)).isEmpty(); |
| } |
| |
| @Test |
| public void testGettingAndSetting() { |
| byte[] bytes = {0, 1, 2, 3}; |
| provider.set(file, "user", "one", bytes, false); |
| provider.set(file, "user", "two", ByteBuffer.wrap(bytes), false); |
| |
| byte[] one = (byte[]) provider.get(file, "one"); |
| byte[] two = (byte[]) provider.get(file, "two"); |
| assertThat(Arrays.equals(one, bytes)).isTrue(); |
| assertThat(Arrays.equals(two, bytes)).isTrue(); |
| |
| assertSetFails("foo", "hello"); |
| |
| assertThat(provider.attributes(file)).containsExactly("one", "two"); |
| } |
| |
| @Test |
| public void testSetOnCreate() { |
| assertSetFailsOnCreate("anything", new byte[0]); |
| } |
| |
| @Test |
| public void testView() throws IOException { |
| UserDefinedFileAttributeView view = provider.view(fileLookup(), NO_INHERITED_VIEWS); |
| assertNotNull(view); |
| |
| assertThat(view.name()).isEqualTo("user"); |
| assertThat(view.list()).isEmpty(); |
| |
| byte[] b1 = {0, 1, 2}; |
| byte[] b2 = {0, 1, 2, 3, 4}; |
| |
| view.write("b1", ByteBuffer.wrap(b1)); |
| view.write("b2", ByteBuffer.wrap(b2)); |
| |
| assertThat(view.list()).containsAtLeast("b1", "b2"); |
| assertThat(file.getAttributeKeys()).containsExactly("user:b1", "user:b2"); |
| |
| assertThat(view.size("b1")).isEqualTo(3); |
| assertThat(view.size("b2")).isEqualTo(5); |
| |
| ByteBuffer buf1 = ByteBuffer.allocate(view.size("b1")); |
| ByteBuffer buf2 = ByteBuffer.allocate(view.size("b2")); |
| |
| view.read("b1", buf1); |
| view.read("b2", buf2); |
| |
| assertThat(Arrays.equals(b1, buf1.array())).isTrue(); |
| assertThat(Arrays.equals(b2, buf2.array())).isTrue(); |
| |
| view.delete("b2"); |
| |
| assertThat(view.list()).containsExactly("b1"); |
| assertThat(file.getAttributeKeys()).containsExactly("user:b1"); |
| |
| try { |
| view.size("b2"); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| assertThat(expected.getMessage()).contains("not set"); |
| } |
| |
| try { |
| view.read("b2", ByteBuffer.allocate(10)); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| assertThat(expected.getMessage()).contains("not set"); |
| } |
| |
| view.write("b1", ByteBuffer.wrap(b2)); |
| assertThat(view.size("b1")).isEqualTo(5); |
| |
| view.delete("b2"); // succeeds |
| } |
| } |