| /* |
| * 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.contract; |
| |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| |
| /** |
| * Test creating files, overwrite options &c |
| */ |
| public abstract class AbstractContractDeleteTest extends |
| AbstractFSContractTestBase { |
| |
| @Test |
| public void testDeleteEmptyDirNonRecursive() throws Throwable { |
| Path path = path("testDeleteEmptyDirNonRecursive"); |
| mkdirs(path); |
| assertDeleted(path, false); |
| } |
| |
| @Test |
| public void testDeleteEmptyDirRecursive() throws Throwable { |
| Path path = path("testDeleteEmptyDirRecursive"); |
| mkdirs(path); |
| assertDeleted(path, true); |
| } |
| |
| @Test |
| public void testDeleteNonexistentPathRecursive() throws Throwable { |
| Path path = path("testDeleteNonexistentPathRecursive"); |
| assertPathDoesNotExist("leftover", path); |
| ContractTestUtils.rejectRootOperation(path); |
| assertFalse("Returned true attempting to delete" |
| + " a nonexistent path " + path, |
| getFileSystem().delete(path, false)); |
| } |
| |
| |
| @Test |
| public void testDeleteNonexistentPathNonRecursive() throws Throwable { |
| Path path = path("testDeleteNonexistentPathNonRecursive"); |
| assertPathDoesNotExist("leftover", path); |
| ContractTestUtils.rejectRootOperation(path); |
| assertFalse("Returned true attempting to recursively delete" |
| + " a nonexistent path " + path, |
| getFileSystem().delete(path, false)); |
| } |
| |
| @Test |
| public void testDeleteNonEmptyDirNonRecursive() throws Throwable { |
| Path path = path("testDeleteNonEmptyDirNonRecursive"); |
| mkdirs(path); |
| Path file = new Path(path, "childfile"); |
| ContractTestUtils.writeTextFile(getFileSystem(), file, "goodbye, world", |
| true); |
| try { |
| ContractTestUtils.rejectRootOperation(path); |
| boolean deleted = getFileSystem().delete(path, false); |
| fail("non recursive delete should have raised an exception," + |
| " but completed with exit code " + deleted); |
| } catch (IOException expected) { |
| //expected |
| handleExpectedException(expected); |
| } |
| assertIsDirectory(path); |
| } |
| |
| @Test |
| public void testDeleteNonEmptyDirRecursive() throws Throwable { |
| Path path = path("testDeleteNonEmptyDirRecursive"); |
| mkdirs(path); |
| Path file = new Path(path, "childfile"); |
| ContractTestUtils.writeTextFile(getFileSystem(), file, "goodbye, world", |
| true); |
| assertDeleted(path, true); |
| assertPathDoesNotExist("not deleted", file); |
| } |
| |
| @Test |
| public void testDeleteDeepEmptyDir() throws Throwable { |
| mkdirs(path("testDeleteDeepEmptyDir/d1/d2/d3/d4")); |
| assertDeleted(path("testDeleteDeepEmptyDir/d1/d2/d3"), true); |
| |
| assertPathDoesNotExist( |
| "not deleted", path("testDeleteDeepEmptyDir/d1/d2/d3/d4")); |
| assertPathDoesNotExist( |
| "not deleted", path("testDeleteDeepEmptyDir/d1/d2/d3")); |
| assertPathExists( "parent dir is deleted", |
| path("testDeleteDeepEmptyDir/d1/d2")); |
| } |
| |
| @Test |
| public void testDeleteSingleFile() throws Throwable { |
| // Test delete of just a file |
| Path path = path("testDeleteSingleFile/d1/d2"); |
| mkdirs(path); |
| Path file = new Path(path, "childfile"); |
| ContractTestUtils.writeTextFile(getFileSystem(), file, |
| "single file to be deleted.", true); |
| assertPathExists("single file not created", file); |
| assertDeleted(file, false); |
| } |
| } |