@Test
public void deleteInodeTest() throws Exception {
InodeTree.CreatePathResult createResult = mTree.createPath(NESTED_URI, sNestedDirectoryOptions);
List<Inode> created = createResult.getCreated();
// all inodes under root
List<Inode> inodes = mTree.getInodeChildrenRecursive((InodeDirectory) mTree.getInodeById(0));
// /nested, /nested/test
Assert.assertEquals(2, inodes.size());
// delete the nested inode
mTree.deleteInode(created.get(created.size() - 1));
inodes = mTree.getInodeChildrenRecursive((InodeDirectory) mTree.getInodeById(0));
// only /nested left
Assert.assertEquals(1, inodes.size());
}
@Test
public void addInodeFromJournalTest() throws Exception {
mTree.createPath(NESTED_FILE_URI, sNestedFileOptions);
mTree.createPath(new TachyonURI("/nested/test1/file1"), sNestedFileOptions);
InodeDirectory root = mTree.getRoot();
InodeDirectory nested = (InodeDirectory) root.getChild("nested");
InodeDirectory test = (InodeDirectory) nested.getChild("test");
Inode file = test.getChild("file");
InodeDirectory test1 = (InodeDirectory) nested.getChild("test1");
Inode file1 = test1.getChild("file1");
// reset the tree
mTree.addInodeFromJournal(root.toJournalEntry());
// re-init the root since the tree was reset above
root = mTree.getRoot();
Assert.assertEquals(0, mTree.getInodeChildrenRecursive(root).size());
mTree.addInodeFromJournal(nested.toJournalEntry());
verifyChildrenNames(mTree, root, Sets.newHashSet("nested"));
mTree.addInodeFromJournal(test.toJournalEntry());
verifyChildrenNames(mTree, root, Sets.newHashSet("nested", "test"));
mTree.addInodeFromJournal(test1.toJournalEntry());
verifyChildrenNames(mTree, root, Sets.newHashSet("nested", "test", "test1"));
mTree.addInodeFromJournal(file.toJournalEntry());
verifyChildrenNames(mTree, root, Sets.newHashSet("nested", "test", "test1", "file"));
mTree.addInodeFromJournal(file1.toJournalEntry());
verifyChildrenNames(mTree, root, Sets.newHashSet("nested", "test", "test1", "file", "file1"));
}
// verify that the tree has the given children
private static void verifyChildrenNames(
InodeTree tree, InodeDirectory root, Set<String> childNames) throws Exception {
List<Inode> children = tree.getInodeChildrenRecursive(root);
Assert.assertEquals(childNames.size(), children.size());
for (Inode child : children) {
Assert.assertTrue(childNames.contains(child.getName()));
}
}
@Test
public void getInodeChildrenRecursiveTest() throws Exception {
mTree.createPath(TEST_URI, sDirectoryOptions);
mTree.createPath(NESTED_URI, sNestedDirectoryOptions);
// add nested file
mTree.createPath(NESTED_FILE_URI, sNestedFileOptions);
// all inodes under root
List<Inode> inodes = mTree.getInodeChildrenRecursive((InodeDirectory) mTree.getInodeById(0));
// /test, /nested, /nested/test, /nested/test/file
Assert.assertEquals(4, inodes.size());
}