/** Tests if list recursive correctly returns all file names in all subdirectories. */
@Test
public void listRecursive() throws IOException {
String root = mUnderfsAddress;
// TODO(andrew): Should this directory be created in LocalAlluxioCluster creation code?
mUfs.mkdirs(root, true);
// Empty lsr should be empty
Assert.assertEquals(0, mUfs.listRecursive(root).length);
// Create a tree of subdirectories and files
String sub1 = PathUtils.concatPath(root, "sub1");
String sub2 = PathUtils.concatPath(root, "sub2");
String sub11 = PathUtils.concatPath(sub1, "sub11");
String file11 = PathUtils.concatPath(sub11, "file11");
String file2 = PathUtils.concatPath(sub2, "file2");
String file = PathUtils.concatPath(root, "file");
// lsr of nonexistent path should be null
Assert.assertNull(mUfs.listRecursive(sub1));
mUfs.mkdirs(sub1, false);
mUfs.mkdirs(sub2, false);
mUfs.mkdirs(sub11, false);
createEmptyFile(file11);
createEmptyFile(file2);
createEmptyFile(file);
// lsr from root should return paths relative to the root
String[] expectedResRoot = {
"sub1", "sub2", "sub1/sub11", "sub1/sub11/file11", "sub2/file2", "file"
};
String[] actualResRoot = mUfs.listRecursive(root);
Arrays.sort(expectedResRoot);
Arrays.sort(actualResRoot);
Assert.assertArrayEquals(expectedResRoot, actualResRoot);
// lsr from sub1 should return paths relative to sub1
String[] expectedResSub1 = {"sub11", "sub11/file11"};
String[] actualResSub1 = mUfs.listRecursive(sub1);
Arrays.sort(expectedResSub1);
Arrays.sort(actualResSub1);
Assert.assertArrayEquals(expectedResSub1, actualResSub1);
// lsr of file should be null
Assert.assertNull(mUfs.listRecursive(file));
}
/**
* Tests {@link UnderFileSystem#mkdirs(String, boolean)} correctly creates a directory. Tests
* {@link UnderFileSystem#mkdirs(String, boolean)} correctly makes parent directories if
* createParent is specified.
*/
@Test
public void mkdirs() throws IOException {
// make sure the underfs address dir exists already
mUfs.mkdirs(mUnderfsAddress, true);
// empty lsr should be empty
Assert.assertEquals(0, mUfs.listRecursive(mUnderfsAddress).length);
String testDirTop = PathUtils.concatPath(mUnderfsAddress, "testDirTop");
String testDir1 = PathUtils.concatPath(mUnderfsAddress, "1");
String testDir2 = PathUtils.concatPath(testDir1, "2");
String testDir3 = PathUtils.concatPath(testDir2, "3");
String testDirDeep = PathUtils.concatPath(testDir3, "testDirDeep");
mUfs.mkdirs(testDirTop, false);
Assert.assertTrue(mUfs.exists(testDirTop));
mUfs.mkdirs(testDirDeep, true);
Assert.assertTrue(mUfs.exists(testDir1));
Assert.assertTrue(mUfs.exists(testDir2));
Assert.assertTrue(mUfs.exists(testDir3));
Assert.assertTrue(mUfs.exists(testDirDeep));
}
