| /* |
| * 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.fail; |
| |
| import com.google.common.collect.ImmutableMap; |
| import java.io.IOException; |
| import java.nio.file.attribute.FileAttributeView; |
| import java.util.Map; |
| import java.util.Set; |
| import org.junit.Before; |
| |
| /** |
| * Abstract base class for tests of individual {@link AttributeProvider} implementations. |
| * |
| * @author Colin Decker |
| */ |
| public abstract class AbstractAttributeProviderTest<P extends AttributeProvider> { |
| |
| protected static final ImmutableMap<String, FileAttributeView> NO_INHERITED_VIEWS = |
| ImmutableMap.of(); |
| |
| protected P provider; |
| protected File file; |
| |
| /** Create the provider being tested. */ |
| protected abstract P createProvider(); |
| |
| /** Creates the set of providers the provider being tested depends on. */ |
| protected abstract Set<? extends AttributeProvider> createInheritedProviders(); |
| |
| protected FileLookup fileLookup() { |
| return new FileLookup() { |
| @Override |
| public File lookup() throws IOException { |
| return file; |
| } |
| }; |
| } |
| |
| @Before |
| public void setUp() { |
| this.provider = createProvider(); |
| this.file = Directory.create(0); |
| |
| Map<String, ?> defaultValues = createDefaultValues(); |
| setDefaultValues(file, provider, defaultValues); |
| |
| Set<? extends AttributeProvider> inheritedProviders = createInheritedProviders(); |
| for (AttributeProvider inherited : inheritedProviders) { |
| setDefaultValues(file, inherited, defaultValues); |
| } |
| } |
| |
| private static void setDefaultValues( |
| File file, AttributeProvider provider, Map<String, ?> defaultValues) { |
| Map<String, ?> defaults = provider.defaultValues(defaultValues); |
| for (Map.Entry<String, ?> entry : defaults.entrySet()) { |
| int separatorIndex = entry.getKey().indexOf(':'); |
| String view = entry.getKey().substring(0, separatorIndex); |
| String attr = entry.getKey().substring(separatorIndex + 1); |
| file.setAttribute(view, attr, entry.getValue()); |
| } |
| } |
| |
| protected Map<String, ?> createDefaultValues() { |
| return ImmutableMap.of(); |
| } |
| |
| // assertions |
| |
| protected void assertSupportsAll(String... attributes) { |
| for (String attribute : attributes) { |
| assertThat(provider.supports(attribute)).isTrue(); |
| } |
| } |
| |
| protected void assertContainsAll(File file, ImmutableMap<String, Object> expectedAttributes) { |
| for (Map.Entry<String, Object> entry : expectedAttributes.entrySet()) { |
| String attribute = entry.getKey(); |
| Object value = entry.getValue(); |
| |
| assertThat(provider.get(file, attribute)).isEqualTo(value); |
| } |
| } |
| |
| protected void assertSetAndGetSucceeds(String attribute, Object value) { |
| assertSetAndGetSucceeds(attribute, value, false); |
| } |
| |
| protected void assertSetAndGetSucceeds(String attribute, Object value, boolean create) { |
| provider.set(file, provider.name(), attribute, value, create); |
| assertThat(provider.get(file, attribute)).isEqualTo(value); |
| } |
| |
| protected void assertSetAndGetSucceedsOnCreate(String attribute, Object value) { |
| assertSetAndGetSucceeds(attribute, value, true); |
| } |
| |
| @SuppressWarnings("EmptyCatchBlock") |
| protected void assertSetFails(String attribute, Object value) { |
| try { |
| provider.set(file, provider.name(), attribute, value, false); |
| fail(); |
| } catch (IllegalArgumentException expected) { |
| } |
| } |
| |
| @SuppressWarnings("EmptyCatchBlock") |
| protected void assertSetFailsOnCreate(String attribute, Object value) { |
| try { |
| provider.set(file, provider.name(), attribute, value, true); |
| fail(); |
| } catch (UnsupportedOperationException expected) { |
| } |
| } |
| } |