/*
* 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.base.Preconditions.checkArgument;
import static com.google.common.jimfs.PathType.ParseResult;
import static com.google.common.truth.Truth.assertThat;
import com.google.common.collect.ImmutableList;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import java.net.URI;
import javax.annotation.Nullable;
/**
* Tests for {@link PathType}.
*
* @author Colin Decker
*/
@RunWith(JUnit4.class)
public class PathTypeTest {
private static final FakePathType type = new FakePathType();
static final URI fileSystemUri = URI.create("jimfs://foo");
@Test
public void testBasicProperties() {
assertThat(type.getSeparator()).isEqualTo("/");
assertThat(type.getOtherSeparators()).isEqualTo("\\");
}
@Test
public void testParsePath() {
ParseResult path = type.parsePath("foo/bar/baz/one\\two");
assertParseResult(path, null, "foo", "bar", "baz", "one", "two");
ParseResult path2 = type.parsePath("$one//\\two");
assertParseResult(path2, "$", "one", "two");
}
@Test
public void testToString() {
ParseResult path = type.parsePath("foo/bar\\baz");
assertThat(type.toString(path.root(), path.names())).isEqualTo("foo/bar/baz");
ParseResult path2 = type.parsePath("$/foo/bar");
assertThat(type.toString(path2.root(), path2.names())).isEqualTo("$foo/bar");
}
@Test
public void testToUri() {
URI fileUri = type.toUri(fileSystemUri, "$", ImmutableList.of("foo", "bar"));
assertThat(fileUri.toString()).is("jimfs://foo/$/foo/bar");
assertThat(fileUri.getPath()).isEqualTo("/$/foo/bar");
URI rootUri = type.toUri(fileSystemUri, "$", ImmutableList.<String>of());
assertThat(rootUri.toString()).is("jimfs://foo/$");
assertThat(rootUri.getPath()).isEqualTo("/$");
}
@Test
public void testToUri_escaping() {
URI fileUri = type.toUri(fileSystemUri, "$", ImmutableList.of("foo", "bar baz"));
assertThat(fileUri.toString()).is("jimfs://foo/$/foo/bar%20baz");
assertThat(fileUri.getRawPath()).isEqualTo("/$/foo/bar%20baz");
assertThat(fileUri.getPath()).isEqualTo("/$/foo/bar baz");
}
@Test
public void testUriRoundTrips() {
assertUriRoundTripsCorrectly(type, "$");
assertUriRoundTripsCorrectly(type, "$foo");
assertUriRoundTripsCorrectly(type, "$foo/bar/baz");
assertUriRoundTripsCorrectly(type, "$foo bar");
assertUriRoundTripsCorrectly(type, "$foo/bar baz");
}
static void assertParseResult(
ParseResult result, @Nullable String root, String... names) {
assertThat(result.root()).isEqualTo(root);
assertThat(result.names()).containsExactly((Object[]) names).inOrder();
}
static void assertUriRoundTripsCorrectly(PathType type, String path) {
ParseResult result = type.parsePath(path);
URI uri = type.toUri(fileSystemUri, result.root(), result.names());
ParseResult parsedUri = type.fromUri(uri);
assertThat(parsedUri.root()).isEqualTo(result.root());
assertThat(parsedUri.names()).containsExactlyElementsIn(result.names()).inOrder();
}
/**
* Arbitrary path type with $ as the root, / as the separator and \ as an alternate separator.
*/
private static final class FakePathType extends PathType {
protected FakePathType() {
super(false, '/', '\\');
}
@Override
public ParseResult parsePath(String path) {
String root = null;
if (path.startsWith("$")) {
root = "$";
path = path.substring(1);
}
return new ParseResult(root, splitter().split(path));
}
@Override
public String toString(@Nullable String root, Iterable<String> names) {
StringBuilder builder = new StringBuilder();
if (root != null) {
builder.append(root);
}
joiner().appendTo(builder, names);
return builder.toString();
}
@Override
public String toUriPath(String root, Iterable<String> names) {
StringBuilder builder = new StringBuilder();
builder.append('/').append(root);
for (String name : names) {
builder.append('/').append(name);
}
return builder.toString();
}
@Override
public ParseResult parseUriPath(String uriPath) {
checkArgument(uriPath.startsWith("/$"), "uriPath (%s) must start with /$", uriPath);
return parsePath(uriPath.substring(1));
}
}
}