TestPath.java
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上传日期:2018-01-08
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文件大小:6k
- /**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you 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.apache.hadoop.fs;
- import java.util.*;
- import junit.framework.TestCase;
- public class TestPath extends TestCase {
- public void testToString() {
- toStringTest("/");
- toStringTest("/foo");
- toStringTest("/foo/bar");
- toStringTest("foo");
- toStringTest("foo/bar");
- boolean emptyException = false;
- try {
- toStringTest("");
- } catch (IllegalArgumentException e) {
- // expect to receive an IllegalArgumentException
- emptyException = true;
- }
- assertTrue(emptyException);
- if (Path.WINDOWS) {
- toStringTest("c:");
- toStringTest("c:/");
- toStringTest("c:foo");
- toStringTest("c:foo/bar");
- toStringTest("c:foo/bar");
- toStringTest("c:/foo/bar");
- }
- }
- private void toStringTest(String pathString) {
- assertEquals(pathString, new Path(pathString).toString());
- }
- public void testNormalize() {
- assertEquals("/", new Path("//").toString());
- assertEquals("/foo", new Path("/foo/").toString());
- assertEquals("/foo", new Path("/foo/").toString());
- assertEquals("foo", new Path("foo/").toString());
- assertEquals("foo", new Path("foo//").toString());
- assertEquals("foo/bar", new Path("foo//bar").toString());
- if (Path.WINDOWS) {
- assertEquals("c:/a/b", new Path("c:\a\b").toString());
- }
- }
- public void testIsAbsolute() {
- assertTrue(new Path("/").isAbsolute());
- assertTrue(new Path("/foo").isAbsolute());
- assertFalse(new Path("foo").isAbsolute());
- assertFalse(new Path("foo/bar").isAbsolute());
- assertFalse(new Path(".").isAbsolute());
- if (Path.WINDOWS) {
- assertTrue(new Path("c:/a/b").isAbsolute());
- assertFalse(new Path("c:a/b").isAbsolute());
- }
- }
- public void testParent() {
- assertEquals(new Path("/foo"), new Path("/foo/bar").getParent());
- assertEquals(new Path("foo"), new Path("foo/bar").getParent());
- assertEquals(new Path("/"), new Path("/foo").getParent());
- if (Path.WINDOWS) {
- assertEquals(new Path("c:/"), new Path("c:/foo").getParent());
- }
- }
- public void testChild() {
- assertEquals(new Path("."), new Path(".", "."));
- assertEquals(new Path("/"), new Path("/", "."));
- assertEquals(new Path("/"), new Path(".", "/"));
- assertEquals(new Path("/foo"), new Path("/", "foo"));
- assertEquals(new Path("/foo/bar"), new Path("/foo", "bar"));
- assertEquals(new Path("/foo/bar/baz"), new Path("/foo/bar", "baz"));
- assertEquals(new Path("/foo/bar/baz"), new Path("/foo", "bar/baz"));
- assertEquals(new Path("foo"), new Path(".", "foo"));
- assertEquals(new Path("foo/bar"), new Path("foo", "bar"));
- assertEquals(new Path("foo/bar/baz"), new Path("foo", "bar/baz"));
- assertEquals(new Path("foo/bar/baz"), new Path("foo/bar", "baz"));
- assertEquals(new Path("/foo"), new Path("/bar", "/foo"));
- if (Path.WINDOWS) {
- assertEquals(new Path("c:/foo"), new Path("/bar", "c:/foo"));
- assertEquals(new Path("c:/foo"), new Path("d:/bar", "c:/foo"));
- }
- }
-
- public void testEquals() {
- assertFalse(new Path("/").equals(new Path("/foo")));
- }
- public void testDots() {
- // Test Path(String)
- assertEquals(new Path("/foo/bar/baz").toString(), "/foo/bar/baz");
- assertEquals(new Path("/foo/bar", ".").toString(), "/foo/bar");
- assertEquals(new Path("/foo/bar/../baz").toString(), "/foo/baz");
- assertEquals(new Path("/foo/bar/./baz").toString(), "/foo/bar/baz");
- assertEquals(new Path("/foo/bar/baz/../../fud").toString(), "/foo/fud");
- assertEquals(new Path("/foo/bar/baz/.././../fud").toString(), "/foo/fud");
- assertEquals(new Path("../../foo/bar").toString(), "../../foo/bar");
- assertEquals(new Path(".././../foo/bar").toString(), "../../foo/bar");
- assertEquals(new Path("./foo/bar/baz").toString(), "foo/bar/baz");
- assertEquals(new Path("/foo/bar/../../baz/boo").toString(), "/baz/boo");
- assertEquals(new Path("foo/bar/").toString(), "foo/bar");
- assertEquals(new Path("foo/bar/../baz").toString(), "foo/baz");
- assertEquals(new Path("foo/bar/../../baz/boo").toString(), "baz/boo");
-
-
- // Test Path(Path,Path)
- assertEquals(new Path("/foo/bar", "baz/boo").toString(), "/foo/bar/baz/boo");
- assertEquals(new Path("foo/bar/","baz/bud").toString(), "foo/bar/baz/bud");
-
- assertEquals(new Path("/foo/bar","../../boo/bud").toString(), "/boo/bud");
- assertEquals(new Path("foo/bar","../../boo/bud").toString(), "boo/bud");
- assertEquals(new Path(".","boo/bud").toString(), "boo/bud");
- assertEquals(new Path("/foo/bar/baz","../../boo/bud").toString(), "/foo/boo/bud");
- assertEquals(new Path("foo/bar/baz","../../boo/bud").toString(), "foo/boo/bud");
-
- assertEquals(new Path("../../","../../boo/bud").toString(), "../../../../boo/bud");
- assertEquals(new Path("../../foo","../../../boo/bud").toString(), "../../../../boo/bud");
- assertEquals(new Path("../../foo/bar","../boo/bud").toString(), "../../foo/boo/bud");
- assertEquals(new Path("foo/bar/baz","../../..").toString(), "");
- assertEquals(new Path("foo/bar/baz","../../../../..").toString(), "../..");
- }
-
- public void testScheme() throws java.io.IOException {
- assertEquals("foo:/bar", new Path("foo:/","/bar").toString());
- assertEquals("foo://bar/baz", new Path("foo://bar/","/baz").toString());
- }
- }