def check_datastore_directories_absent(datastore_id, blockchain_id):
    """
    Verify that the directories are gone
    """
    
    data_pubkeys = get_data_pubkeys(blockchain_id)

    # stat directories (should all fail)
    for dpath in ['/dir1/dir3/dir4', '/dir1/dir3', '/dir2', '/dir1']:
        print 'stat {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_stat( blockchain_id, datastore_id, dpath, data_pubkeys=data_pubkeys)
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to stat {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False

    # list directories (should all fail) 
    for dpath, expected in [('/dir1', ['dir3']), ('/dir1/dir3', ['dir4']), ('/dir1/dir3/dir4', [])]:
        print 'listdir {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_listdir( blockchain_id, datastore_id, dpath, data_pubkeys=data_pubkeys)
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to list {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False

    return True
def read_datastore(datastore_id, blockchain_id, expected_iteration):
    """
    Read tests on a particular blockchain ID's datastores
    """

    data_pubkeys = get_data_pubkeys(blockchain_id)

    # stat files
    for dpath in ['/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4', '/dir1/dir3/dir4/file5']:
        print 'stat {}'.format(dpath)
        res = testlib.ysi_cli_datastore_stat( blockchain_id, datastore_id, dpath, data_pubkeys=data_pubkeys)
        if 'error' in res:
            print 'failed to stat {}: {}'.format(dpath, res['error'])
            return False

        if res['type'] != ysi_client.schemas.MUTABLE_DATUM_FILE_TYPE:
            print 'not a file: {}, {}'.format(dpath, res)
            return False

    # list directories again 
    for dpath, expected in [('/', ['dir1', 'dir2', 'file1', 'file2']), ('/dir1', ['dir3', 'file3']), ('/dir1/dir3', ['dir4', 'file4']), ('/dir1/dir3/dir4', ['file5'])]:
        print 'listdir {}'.format(dpath)
        res = testlib.ysi_cli_datastore_listdir( blockchain_id, datastore_id, dpath, data_pubkeys=data_pubkeys)
        if 'error' in res:
            print 'failed to listdir {}: {}'.format(dpath, res['error'])
            return False

        if len(res['children'].keys()) != len(expected):
            print 'invalid directory: expected:\n{}\ngot:\n{}\n'.format(expected, res)
            return False

        for child in expected: 
            if not res['children'].has_key(child):
                print 'invalid directory: missing {} in {}'.format(child, res)
                return False
     
    # get files
    for dpath in ['/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4', '/dir1/dir3/dir4/file5']:
        print 'getfile {}'.format(dpath)
        res = testlib.ysi_cli_datastore_getfile( blockchain_id, datastore_id, dpath, data_pubkeys=data_pubkeys)
        if 'error' in res:
            print 'failed to getfile {}: {}'.format(dpath, res['error'])
            return False

        if res != '{} hello {} {}'.format(file_data, expected_iteration, dpath):
            print 'failed to read {}'.format(dpath)
            return False

    return True
def check_datastore_files_absent(datastore_id, blockchain_id):
    """
    Verify that all files are gone
    """
    data_pubkeys = get_data_pubkeys(blockchain_id)

    # stat files (should all fail)
    for dpath in ['/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4', '/dir1/dir3/dir4/file5']:
        print 'stat {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_stat( blockchain_id, datastore_id, dpath, data_pubkeys=data_pubkeys)
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to stat {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False
 
    # get files (should all fail)
    for dpath in ['/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4', '/dir1/dir3/dir4/file5']:
        print 'getfile {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_getfile( blockchain_id, datastore_id, dpath, data_pubkeys=data_pubkeys)
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to get {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False

    # list directories, 3rd time 
    for dpath, expected in [('/', ['dir1', 'dir2']), ('/dir1', ['dir3']), ('/dir1/dir3', ['dir4']), ('/dir1/dir3/dir4', [])]:
        print 'listdir {}'.format(dpath)
        res = testlib.ysi_cli_datastore_listdir( blockchain_id, datastore_id, dpath, data_pubkeys=data_pubkeys)
        if 'error' in res:
            print 'failed to listdir {}: {}'.format(dpath, res['error'])
            return False

        if len(res['children'].keys()) != len(expected):
            print 'invalid directory: expected:\n{}\ngot:\n{}\n'.format(expected, res)
            return False

        for child in expected: 
            if not res['children'].has_key(child):
                print 'invalid directory: missing {} in {}'.format(child, res)
                return False

    return True
Пример #4
0
def scenario( wallets, **kw ):

    global wallet_keys, error, index_file_data, resource_data

    test_proxy = testlib.TestAPIProxy()
    ysi_client.set_default_proxy( test_proxy )
    wallet_keys = ysi_client.make_wallet_keys( owner_privkey=wallets[3].privkey, data_privkey=wallets[4].privkey, payment_privkey=wallets[5].privkey )
    testlib.ysi_client_set_wallet( "0123456789abcdef", wallet_keys['payment_privkey'], wallet_keys['owner_privkey'], wallet_keys['data_privkey'] )

    testlib.ysi_namespace_preorder( "test", wallets[1].addr, wallets[0].privkey )
    testlib.next_block( **kw )

    testlib.ysi_namespace_reveal( "test", wallets[1].addr, 52595, 250, 4, [6,5,4,3,2,1,0,0,0,0,0,0,0,0,0,0], 10, 10, wallets[0].privkey )
    testlib.next_block( **kw )

    testlib.ysi_namespace_ready( "test", wallets[1].privkey )
    testlib.next_block( **kw )

    testlib.ysi_name_preorder( "foo.test", wallets[2].privkey, wallets[3].addr )
    testlib.next_block( **kw )
    
    testlib.ysi_name_register( "foo.test", wallets[2].privkey, wallets[3].addr )
    testlib.next_block( **kw )
    
    # migrate profiles 
    res = testlib.migrate_profile( "foo.test", proxy=test_proxy, wallet_keys=wallet_keys )
    if 'error' in res:
        res['test'] = 'Failed to initialize foo.test profile'
        print json.dumps(res, indent=4, sort_keys=True)
        error = True
        return 
    
    res = testlib.start_api("0123456789abcdef")
    if 'error' in res:
        print 'failed to start API: {}'.format(res)
        return False

    # tell serialization-checker that value_hash can be ignored here
    print "BLOCKSTACK_SERIALIZATION_CHECK_IGNORE value_hash"
    sys.stdout.flush()
    
    testlib.next_block( **kw )
   
    # sign in and make a token 
    datastore_pk = keylib.ECPrivateKey(wallets[-1].privkey).to_hex()
    res = testlib.ysi_cli_app_signin("foo.test", datastore_pk, 'http://localhost:8888', ['store_read', 'store_write', 'store_admin'])
    if 'error' in res:
        print json.dumps(res, indent=4, sort_keys=True)
        error = True
        return 
    
    ses = res['token']

    # export to environment 
    ysi_client.set_secret("BLOCKSTACK_API_SESSION", ses)

    datastore_id_res = testlib.ysi_cli_datastore_get_id( datastore_pk )
    datastore_id = datastore_id_res['datastore_id']

    # use random data for file 
    file_data = None
    with open('/dev/urandom', 'r') as f:
        file_data = f.read(16384)

    # make datastore 
    res = testlib.ysi_cli_create_datastore( "foo.test", datastore_pk, ['disk'], ses )
    if 'error' in res:
        print "failed to create datastore: {}".format(res['error'])
        return False

    # make directories
    for dpath in ['/dir1', '/dir2', '/dir1/dir3', '/dir1/dir3/dir4']:
        print 'mkdir {}'.format(dpath)
        res = testlib.ysi_cli_datastore_mkdir( "foo.test", datastore_pk, dpath, ses )
        if 'error' in res:
            print 'failed to mkdir {}: {}'.format(dpath, res['error'])
            return False

    # make directories again (should fail with EEXIST)
    for dpath in ['/dir1', '/dir2', '/dir1/dir3', '/dir1/dir3/dir4']:
        print 'mkdir {} (should fail)'.format(dpath)
        res = testlib.ysi_cli_datastore_mkdir( "foo.test", datastore_pk, dpath, ses )
        if 'error' not in res:
            print 'accidentally succeeded to mkdir {}: {}'.format(dpath, res)
            return False

        if not res.has_key('errno'):
            print 'no errno in error {}'.format(res)
            return False

        if res['errno'] != errno.EEXIST:
            print 'wrong errno in error {}'.format(res)
            return False

    # stat directories 
    for dpath in ['/dir1', '/dir2', '/dir1/dir3', '/dir1/dir3/dir4']:
        print 'stat {}'.format(dpath)
        res = testlib.ysi_cli_datastore_stat( "foo.test", datastore_id, dpath, ses )
        if 'error' in res:
            print 'failed to stat {}: {}'.format(dpath, res['error'])
            return False

        if res['type'] != ysi_client.schemas.MUTABLE_DATUM_DIR_TYPE:
            print 'not a directory: {}, {}'.format(dpath, res)
            return False

    # list directories 
    for dpath, expected in [('/', ['dir1', 'dir2']), ('/dir1', ['dir3']), ('/dir1/dir3', ['dir4']), ('/dir1/dir3/dir4', [])]:
        print 'listdir {}'.format(dpath)
        res = testlib.ysi_cli_datastore_listdir( "foo.test", datastore_id, dpath, ses )
        if 'error' in res:
            print 'failed to listdir {}: {}'.format(dpath, res['error'])
            return False

        print res
        if len(res['children'].keys()) != len(expected):
            print 'invalid directory: expected:\n{}\ngot:\n{}\n'.format(expected, res)
            return False

        for child in expected: 
            if not res['children'].has_key(child):
                print 'invalid directory: missing {} in {}'.format(child, res)
                return False

    # put files 
    for dpath in ['/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4', '/dir1/dir3/dir4/file5']:
        print 'putfile {}'.format(dpath)
        data = '{} hello {}'.format(file_data, dpath)
        res = testlib.ysi_cli_datastore_putfile( "foo.test", datastore_pk, dpath, data, ses )
        if 'error' in res:
            print 'failed to putfile {}: {}'.format(dpath, res['error'])
            return False

    # stat files
    for dpath in ['/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4', '/dir1/dir3/dir4/file5']:
        print 'stat {}'.format(dpath)
        res = testlib.ysi_cli_datastore_stat( "foo.test", datastore_id, dpath, ses )
        if 'error' in res:
            print 'failed to stat {}: {}'.format(dpath, res['error'])
            return False

        if res['type'] != ysi_client.schemas.MUTABLE_DATUM_FILE_TYPE:
            print 'not a file: {}, {}'.format(dpath, res)
            return False

    # list directories again 
    for dpath, expected in [('/', ['dir1', 'dir2', 'file1', 'file2']), ('/dir1', ['dir3', 'file3']), ('/dir1/dir3', ['dir4', 'file4']), ('/dir1/dir3/dir4', ['file5'])]:
        print 'listdir {}'.format(dpath)
        res = testlib.ysi_cli_datastore_listdir( "foo.test", datastore_id, dpath, ses )
        if 'error' in res:
            print 'failed to listdir {}: {}'.format(dpath, res['error'])
            return False

        if len(res['children'].keys()) != len(expected):
            print 'invalid directory: expected:\n{}\ngot:\n{}\n'.format(expected, res)
            return False

        for child in expected: 
            if not res['children'].has_key(child):
                print 'invalid directory: missing {} in {}'.format(child, res)
                return False
     
    # get files
    for dpath in ['/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4', '/dir1/dir3/dir4/file5']:
        print 'getfile {}'.format(dpath)
        res = testlib.ysi_cli_datastore_getfile( "foo.test", datastore_id, dpath, ses )
        if 'error' in res:
            print 'failed to getfile {}: {}'.format(dpath, res['error'])
            return False

        if res != '{} hello {}'.format(file_data, dpath):
            print 'failed to read {}'.format(dpath)
            return False

    # put files again! 
    for dpath in ['/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4', '/dir1/dir3/dir4/file5']:
        print 'putfile {}'.format(dpath)
        data = '{} hello 2 {}'.format(file_data, dpath)
        res = testlib.ysi_cli_datastore_putfile( "foo.test", datastore_pk, dpath, data, ses )
        if 'error' in res:
            print 'failed to putfile {}: {}'.format(dpath, res['error'])
            return False

    # get files again!
    for dpath in ['/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4', '/dir1/dir3/dir4/file5']:
        print 'getfile {}'.format(dpath)
        res = testlib.ysi_cli_datastore_getfile( "foo.test", datastore_id, dpath, ses )
        if 'error' in res:
            print 'failed to getfile {}: {}'.format(dpath, res['error'])
            return False

        if res != '{} hello 2 {}'.format(file_data, dpath):
            print 'failed to read {}'.format(dpath)
            return False

    # remove files
    for dpath in ['/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4', '/dir1/dir3/dir4/file5']:
        print 'deletefile {}'.format(dpath)
        res = testlib.ysi_cli_datastore_deletefile( "foo.test", datastore_pk, dpath, ses )
        if 'error' in res:
            print 'failed to deletefile {}: {}'.format(dpath, res['error'])
            return False

    # stat files (should all fail)
    for dpath in ['/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4', '/dir1/dir3/dir4/file5']:
        print 'stat {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_stat( "foo.test", datastore_id, dpath, ses )
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to stat {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False
 
    # get files (should all fail)
    for dpath in ['/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4', '/dir1/dir3/dir4/file5']:
        print 'getfile {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_getfile( "foo.test", datastore_id, dpath, ses )
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to get {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False

    # list directories, 3rd time 
    for dpath, expected in [('/', ['dir1', 'dir2']), ('/dir1', ['dir3']), ('/dir1/dir3', ['dir4']), ('/dir1/dir3/dir4', [])]:
        print 'listdir {}'.format(dpath)
        res = testlib.ysi_cli_datastore_listdir( "foo.test", datastore_id, dpath, ses )
        if 'error' in res:
            print 'failed to listdir {}: {}'.format(dpath, res['error'])
            return False

        if len(res['children'].keys()) != len(expected):
            print 'invalid directory: expected:\n{}\ngot:\n{}\n'.format(expected, res)
            return False

        for child in expected: 
            if not res['children'].has_key(child):
                print 'invalid directory: missing {} in {}'.format(child, res)
                return False

    # remove directories 
    for dpath in ['/dir1/dir3/dir4', '/dir1/dir3', '/dir2', '/dir1']:
        print 'rmdir {}'.format(dpath)
        res = testlib.ysi_cli_datastore_rmdir( "foo.test", datastore_pk, dpath, ses )
        if 'error' in res:
            print 'failed to rmdir {}: {}'.format(dpath, res['error'])
            return False

    # stat directories (should all fail)
    for dpath in ['/dir1/dir3/dir4', '/dir1/dir3', '/dir2', '/dir1']:
        print 'stat {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_stat( "foo.test", datastore_id, dpath, ses )
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to stat {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False

    # list directories (should all fail) 
    for dpath, expected in [('/dir1', ['dir3']), ('/dir1/dir3', ['dir4']), ('/dir1/dir3/dir4', [])]:
        print 'listdir {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_listdir( "foo.test", datastore_id, dpath, ses )
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to list {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False

    # remove directories again (should fail) 
    for dpath in ['/dir1/dir3/dir4', '/dir1/dir3', '/dir2', '/dir1']:
        print 'rmdir {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_rmdir( "foo.test", datastore_pk, dpath, ses )
        if 'error' not in res:
            print 'accidentally succeeded to rmdir twice: {}'.format(res)
            return False

        if res.get('errno') != errno.ENOENT:
            print 'wrong errno on rmdir: {}'.format(res)
            return False

    # root should be empty 
    print 'listdir {}'.format('/')
    res = testlib.ysi_cli_datastore_listdir( "foo.test", datastore_id, '/', ses )
    if 'error' in res:
        print 'failed to listdir /: {}'.format(res['error'])
        return False

    if len(res['children'].keys()) > 0:
        print 'root still has children: {}'.format(res['children'].keys())
        return False

    # delete datastore 
    print 'delete datastore'
    res = testlib.ysi_cli_delete_datastore( "foo.test", datastore_pk, ses )
    if 'error' in res:
        print 'failed to delete foo-app.com datastore'
        print json.dumps(res)
        return False

    # no more data in disk driver 
    names = os.listdir("/tmp/ysi-disk/mutable")
    if names != ['foo.test']:
        print 'improper cleanup'
        return False

    testlib.next_block( **kw )
Пример #5
0
def scenario(wallets, **kw):

    global wallet_keys, error, index_file_data, resource_data

    test_proxy = testlib.TestAPIProxy()
    ysi_client.set_default_proxy(test_proxy)
    wallet_keys = ysi_client.make_wallet_keys(
        owner_privkey=wallets[3].privkey,
        data_privkey=wallets[4].privkey,
        payment_privkey=wallets[5].privkey)
    testlib.ysi_client_set_wallet("0123456789abcdef",
                                  wallet_keys['payment_privkey'],
                                  wallet_keys['owner_privkey'],
                                  wallet_keys['data_privkey'])

    testlib.ysi_namespace_preorder("test", wallets[1].addr, wallets[0].privkey)
    testlib.next_block(**kw)

    testlib.ysi_namespace_reveal(
        "test", wallets[1].addr, 52595, 250, 4,
        [6, 5, 4, 3, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 10, 10,
        wallets[0].privkey)
    testlib.next_block(**kw)

    testlib.ysi_namespace_ready("test", wallets[1].privkey)
    testlib.next_block(**kw)

    testlib.ysi_name_preorder("foo.test", wallets[2].privkey, wallets[3].addr)
    testlib.next_block(**kw)

    testlib.ysi_name_register("foo.test", wallets[2].privkey, wallets[3].addr)
    testlib.next_block(**kw)

    # migrate profiles
    res = testlib.migrate_profile("foo.test",
                                  proxy=test_proxy,
                                  wallet_keys=wallet_keys)
    if 'error' in res:
        res['test'] = 'Failed to initialize foo.test profile'
        print json.dumps(res, indent=4, sort_keys=True)
        error = True
        return

    # tell serialization-checker that value_hash can be ignored here
    print "BLOCKSTACK_SERIALIZATION_CHECK_IGNORE value_hash"
    sys.stdout.flush()

    testlib.next_block(**kw)

    res = testlib.start_api("0123456789abcdef")
    if 'error' in res:
        print 'failed to start API: {}'.format(res)
        return False

    # sign in and make a token
    datastore_pk = keylib.ECPrivateKey(wallets[-1].privkey).to_hex()
    res = testlib.ysi_cli_app_signin(
        "foo.test", datastore_pk, 'http://localhost:8888',
        ['store_read', 'store_write', 'store_admin'])
    if 'error' in res:
        print json.dumps(res, indent=4, sort_keys=True)
        error = True
        return

    # export to environment
    ysi_client.set_secret("BLOCKSTACK_API_SESSION", res['token'])
    ses = res['token']

    datastore_id_res = testlib.ysi_cli_datastore_get_id(datastore_pk)
    datastore_id = datastore_id_res['datastore_id']

    # use random data for file
    file_data = None
    with open('/dev/urandom', 'r') as f:
        file_data = f.read(16384)

    # make datastore with two storage drivers
    res = testlib.ysi_cli_create_datastore('foo.test', datastore_pk,
                                           ['disk', 'test'], ses)
    if 'error' in res:
        print "failed to create datastore: {}".format(res['error'])
        return False

    # simulate a failure in the 'test' driver
    res = testlib.ysi_test_setenv(
        'BLOCKSTACK_INTEGRATION_TEST_STORAGE_FAILURE', '1')
    if 'error' in res:
        print 'failed to setenv: {}'.format(res)
        return False

    # make directories (should all fail, since 'test' is offline; however, 'disk' will have worked)
    for dpath in ['/dir1', '/dir2', '/dir1/dir3', '/dir1/dir3/dir4']:
        print 'mkdir {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_mkdir('foo.test', datastore_pk, dpath,
                                              ses)
        if 'error' not in res:
            print 'accidentally succeeded to mkdir {}: {}'.format(dpath, res)
            return False

    # stat directories (should all fail locally due to ENOENT, since the parent directory will not have been updated)
    for dpath in ['/dir1/dir3/dir4', '/dir1/dir3', '/dir2', '/dir1']:
        print 'stat {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_stat('foo.test', datastore_id, dpath,
                                             ses)
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to stat {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False

    # list directories (all the ones we tried to create should fail due to ENOENT)
    for dpath, expected in [('/dir1', ['dir3']), ('/dir1/dir3', ['dir4']),
                            ('/dir1/dir3/dir4', [])]:
        print 'listdir {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_listdir('foo.test', datastore_id,
                                                dpath, ses)
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to list {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False

    # restore driver
    res = testlib.ysi_test_setenv(
        'BLOCKSTACK_INTEGRATION_TEST_STORAGE_FAILURE', '0')
    if 'error' in res:
        print 'failed to setenv: {}'.format(res)
        return False

    # make directories (should succeed)
    for dpath in ['/dir1', '/dir2', '/dir1/dir3', '/dir1/dir3/dir4']:
        print 'mkdir {}'.format(dpath)
        res = testlib.ysi_cli_datastore_mkdir('foo.test', datastore_pk, dpath,
                                              ses)
        if 'error' in res:
            print 'failed to mkdir {}: {}'.format(dpath, res['error'])
            return False

    # make directories (should fail with EEXIST)
    for dpath in ['/dir1', '/dir2', '/dir1/dir3', '/dir1/dir3/dir4']:
        print 'mkdir {}'.format(dpath)
        res = testlib.ysi_cli_datastore_mkdir('foo.test', datastore_pk, dpath,
                                              ses)
        if 'error' not in res:
            print 'accidentally succeeded to mkdir {}: {}'.format(dpath, res)
            return False

        if not res.has_key('errno'):
            print 'no errno in error {}'.format(res)
            return False

        if res['errno'] != errno.EEXIST:
            print 'wrong errno in error {}'.format(res)
            return False

    # stat directories (should succeed)
    for dpath in ['/dir1', '/dir2', '/dir1/dir3', '/dir1/dir3/dir4']:
        print 'stat {}'.format(dpath)
        res = testlib.ysi_cli_datastore_stat('foo.test', datastore_id, dpath,
                                             ses)
        if 'error' in res:
            print 'failed to stat {}: {}'.format(dpath, res['error'])
            return False

        if res['type'] != ysi_client.schemas.MUTABLE_DATUM_DIR_TYPE:
            print 'not a directory: {}, {}'.format(dpath, res)
            return False

    # list directories (should succeed)
    for dpath, expected in [('/', ['dir1', 'dir2']), ('/dir1', ['dir3']),
                            ('/dir1/dir3', ['dir4']), ('/dir1/dir3/dir4', [])]:
        print 'listdir {}'.format(dpath)
        res = testlib.ysi_cli_datastore_listdir('foo.test', datastore_id,
                                                dpath, ses)
        if 'error' in res:
            print 'failed to listdir {}: {}'.format(dpath, res['error'])
            return False

        if len(res['children'].keys()) != len(expected):
            print 'invalid directory: expected:\n{}\ngot:\n{}\n'.format(
                expected, res)
            return False

        for child in expected:
            if not res['children'].has_key(child):
                print 'invalid directory: missing {} in {}'.format(child, res)
                return False

    # put files
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'putfile {}'.format(dpath)
        data = '{} hello {}'.format(file_data, dpath)
        res = testlib.ysi_cli_datastore_putfile('foo.test', datastore_pk,
                                                dpath, data, ses)
        if 'error' in res:
            print 'failed to putfile {}: {}'.format(dpath, res['error'])
            return False

    # simulate a failure in the 'test' driver
    res = testlib.ysi_test_setenv(
        'BLOCKSTACK_INTEGRATION_TEST_STORAGE_FAILURE', '1')
    if 'error' in res:
        print 'failed to setenv: {}'.format(res)
        return False

    # stat files (should succeed)
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'stat {} (should still work)'.format(dpath)
        res = testlib.ysi_cli_datastore_stat('foo.test', datastore_id, dpath,
                                             ses)
        if 'error' in res:
            print 'failed to stat {}: {}'.format(dpath, res['error'])
            return False

        if res['type'] != ysi_client.schemas.MUTABLE_DATUM_FILE_TYPE:
            print 'not a file: {}, {}'.format(dpath, res)
            return False

    # list directories again (should succeed)
    for dpath, expected in [('/', ['dir1', 'dir2', 'file1', 'file2']),
                            ('/dir1', ['dir3', 'file3']),
                            ('/dir1/dir3', ['dir4', 'file4']),
                            ('/dir1/dir3/dir4', ['file5'])]:
        print 'listdir {} (should still work)'.format(dpath)
        res = testlib.ysi_cli_datastore_listdir('foo.test', datastore_id,
                                                dpath, ses)
        if 'error' in res:
            print 'failed to listdir {}: {}'.format(dpath, res['error'])
            return False

        if len(res['children'].keys()) != len(expected):
            print 'invalid directory: expected:\n{}\ngot:\n{}\n'.format(
                expected, res)
            return False

        for child in expected:
            if not res['children'].has_key(child):
                print 'invalid directory: missing {} in {}'.format(child, res)
                return False

    # get files (should succeed and return latest data)
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'getfile {} (should still work)'.format(dpath)
        res = testlib.ysi_cli_datastore_getfile('foo.test', datastore_id,
                                                dpath, ses)
        if 'error' in res:
            print 'failed to getfile {}: {}'.format(dpath, res['error'])
            return False

        if res != '{} hello {}'.format(file_data, dpath):
            print 'failed to read {}'.format(dpath)
            return False

    # put files (should succeed with 'disk', but fail overall since we have a failed driver)
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'putfile {} (expect failure)'.format(dpath)
        data = '{} hello 2 {}'.format(file_data, dpath)
        res = testlib.ysi_cli_datastore_putfile('foo.test', datastore_pk,
                                                dpath, data, ses)
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to putfile {}: {}'.format(
                dpath, res['error'])
            return False

    # get files (should get the new data, despite the failed service)
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'getfile {} (should still work)'.format(dpath)
        res = testlib.ysi_cli_datastore_getfile('foo.test', datastore_id,
                                                dpath, ses)
        if 'error' in res:
            print 'failed to getfile {}: {}'.format(dpath, res['error'])
            return False

        if res != '{} hello 2 {}'.format(file_data, dpath):
            print 'failed to read {}'.format(dpath)
            return False

    # restore test driver
    res = testlib.ysi_test_setenv(
        'BLOCKSTACK_INTEGRATION_TEST_STORAGE_FAILURE', '0')
    if 'error' in res:
        print 'failed to setenv: {}'.format(res)
        return False

    # put files (should succeed now)
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'putfile {}'.format(dpath)
        data = '{} hello 2 {}'.format(file_data, dpath)
        res = testlib.ysi_cli_datastore_putfile('foo.test', datastore_pk,
                                                dpath, data, ses)
        if 'error' in res:
            print 'failed to putfile {}: {}'.format(dpath, res['error'])
            return False

    # get files again! should see results of last put
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'getfile {}'.format(dpath)
        res = testlib.ysi_cli_datastore_getfile('foo.test', datastore_id,
                                                dpath, ses)
        if 'error' in res:
            print 'failed to getfile {}: {}'.format(dpath, res['error'])
            return False

        if res != '{} hello 2 {}'.format(file_data, dpath):
            print 'failed to read {}'.format(dpath)
            return False

    # simulate a failure in the 'test' driver
    res = testlib.ysi_test_setenv(
        'BLOCKSTACK_INTEGRATION_TEST_STORAGE_FAILURE', '1')
    if 'error' in res:
        print 'failed to setenv: {}'.format(res)
        return False

    # remove files (should fail since 'test' driver is disabled)
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'deletefile {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_deletefile('foo.test', datastore_pk,
                                                   dpath, ses)
        if 'error' not in res:
            print 'accidentally failed to deletefile {}: {}'.format(
                dpath, res['error'])
            return False

    # get files (should fail, since the idata was removed from 'disk')
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'getfile {} (should fail)'.format(dpath)
        res = testlib.ysi_cli_datastore_getfile('foo.test', datastore_id,
                                                dpath, ses)
        if 'error' not in res:
            print 'accidentally got {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.EREMOTEIO:
            print 'wrong errno: {}'.format(res)
            return False

    # stat files (should still work)
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'stat {} (should still work)'.format(dpath)
        res = testlib.ysi_cli_datastore_stat('foo.test', datastore_id, dpath,
                                             ses)
        if 'error' in res:
            print 'failed to stat {}: {}'.format(path, res)
            return False

    # restore test driver
    res = testlib.ysi_test_setenv(
        'BLOCKSTACK_INTEGRATION_TEST_STORAGE_FAILURE', '0')
    if 'error' in res:
        print 'failed to setenv: {}'.format(res)
        return False

    # stat files (should still work)
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'stat {}'.format(dpath)
        res = testlib.ysi_cli_datastore_stat('foo.test', datastore_id, dpath,
                                             ses)
        if 'error' in res:
            print 'failed to stat {}: {}'.format(path, res)
            return False

    # remove files (should work now)
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'deletefile {}'.format(dpath)
        res = testlib.ysi_cli_datastore_deletefile('foo.test', datastore_pk,
                                                   dpath, ses)
        if 'error' in res:
            print 'failed to deletefile {}: {}'.format(dpath, res)
            return False

    # put file data (should succeed on both 'disk' and 'test')
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'putfile {}'.format(dpath)
        data = '{} hello 3 {}'.format(file_data, dpath)
        res = testlib.ysi_cli_datastore_putfile('foo.test', datastore_pk,
                                                dpath, data, ses)
        if 'error' in res:
            print 'failed to putfile {}: {}'.format(dpath, res['error'])
            return False

    # get files again! should see results of last put
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'getfile {}'.format(dpath)
        res = testlib.ysi_cli_datastore_getfile('foo.test', datastore_id,
                                                dpath, ses)
        if 'error' in res:
            print 'failed to getfile {}: {}'.format(dpath, res['error'])
            return False

        if res != '{} hello 3 {}'.format(file_data, dpath):
            print 'failed to read {}'.format(dpath)
            return False

    # cause 'test' to fail
    res = testlib.ysi_test_setenv(
        'BLOCKSTACK_INTEGRATION_TEST_STORAGE_FAILURE', '1')
    if 'error' in res:
        print 'failed to setenv: {}'.format(res)
        return False

    # put file data (should fail, but succeed on 'disk')
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'putfile {} (expect failure)'.format(dpath)
        data = '{} hello 4 {}'.format(file_data, dpath)
        res = testlib.ysi_cli_datastore_putfile('foo.test', datastore_pk,
                                                dpath, data, ses)
        if 'error' not in res:
            print 'accidentally succeeded to putfile {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.EREMOTEIO:
            print 'wrong errno: {}'.format(res)
            return False

    # get files again! should see results of last put
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'getfile {}'.format(dpath)
        res = testlib.ysi_cli_datastore_getfile('foo.test', datastore_id,
                                                dpath, ses)
        if 'error' in res:
            print 'failed to getfile {}: {}'.format(dpath, res['error'])
            return False

        if res != '{} hello 4 {}'.format(file_data, dpath):
            print 'failed to read {}'.format(dpath)
            return False

    # restore 'test'
    res = testlib.ysi_test_setenv(
        'BLOCKSTACK_INTEGRATION_TEST_STORAGE_FAILURE', '0')
    if 'error' in res:
        print 'failed to setenv: {}'.format(res)
        return False

    # get files again! should see results of last put
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'getfile {}'.format(dpath)
        res = testlib.ysi_cli_datastore_getfile('foo.test', datastore_id,
                                                dpath, ses)
        if 'error' in res:
            print 'failed to getfile {}: {}'.format(dpath, res['error'])
            return False

        if res != '{} hello 4 {}'.format(file_data, dpath):
            print 'failed to read {}'.format(dpath)
            return False

    # remove files (should succeed)
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'deletefile {}'.format(dpath)
        res = testlib.ysi_cli_datastore_deletefile('foo.test', datastore_pk,
                                                   dpath, ses)
        if 'error' in res:
            print 'failed to deletefile {}: {}'.format(dpath, res['error'])
            return False

    # stat files (should all fail)
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'stat {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_stat('foo.test', datastore_id, dpath,
                                             ses)
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to stat {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False

    # get files (should all fail)
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'getfile {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_getfile('foo.test', datastore_id,
                                                dpath, ses)
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to get {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False

    # list directories
    for dpath, expected in [('/', ['dir1', 'dir2']), ('/dir1', ['dir3']),
                            ('/dir2', []), ('/dir1/dir3', ['dir4']),
                            ('/dir1/dir3/dir4', [])]:
        print 'listdir {}'.format(dpath)
        res = testlib.ysi_cli_datastore_listdir('foo.test', datastore_id,
                                                dpath, ses)
        if 'error' in res:
            print 'failed to listdir {}: {}'.format(dpath, res['error'])
            return False

        if len(res['children'].keys()) != len(expected):
            print 'invalid directory: expected:\n{}\ngot:\n{}\n'.format(
                expected, res)
            return False

        for child in expected:
            if not res['children'].has_key(child):
                print 'invalid directory: missing {} in {}'.format(child, res)
                return False

    # break 'test'
    res = testlib.ysi_test_setenv(
        'BLOCKSTACK_INTEGRATION_TEST_STORAGE_FAILURE', '1')
    if 'error' in res:
        print 'failed to setenv: {}'.format(res)
        return False

    # stat files (should all fail)
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'stat {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_stat('foo.test', datastore_id, dpath,
                                             ses)
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to stat {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False

    # get files (should all fail)
    for dpath in [
            '/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4',
            '/dir1/dir3/dir4/file5'
    ]:
        print 'getfile {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_getfile('foo.test', datastore_id,
                                                dpath, ses)
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to get {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False

    # list directories
    for dpath, expected in [('/', ['dir1', 'dir2']), ('/dir1', ['dir3']),
                            ('/dir2', []), ('/dir1/dir3', ['dir4']),
                            ('/dir1/dir3/dir4', [])]:
        print 'listdir {}'.format(dpath)
        res = testlib.ysi_cli_datastore_listdir('foo.test', datastore_id,
                                                dpath, ses)
        if 'error' in res:
            print 'failed to listdir {}: {}'.format(dpath, res['error'])
            return False

        if len(res['children'].keys()) != len(expected):
            print 'invalid directory: expected:\n{}\ngot:\n{}\n'.format(
                expected, res)
            return False

        for child in expected:
            if not res['children'].has_key(child):
                print 'invalid directory: missing {} in {}'.format(child, res)
                return False

    # remove directories (should fail, but '/dir2' and '/dir1/dir3/dir4''s idata should be gone)
    for dpath in ['/dir1/dir3/dir4', '/dir1/dir3', '/dir2', '/dir1']:
        print 'rmdir {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_rmdir('foo.test', datastore_pk, dpath,
                                              ses)
        if 'error' not in res:
            print 'accidentally succeeded to rmdir {}: {}'.format(dpath, res)
            return False

        if dpath not in ['/dir1/dir3/dir4', '/dir2']:
            if res.get('errno') != errno.ENOTEMPTY:
                print 'wrong errno for deleting {}'.format(res)
                return False

    # list directories (should fail for /dir1/dir3/dir4 and /dir2 since its idata got deleted, but it should still work for everyone else)
    for dpath, expected in [('/dir2', []), ('/dir1/dir3/dir4', [])]:
        print 'listdir {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_listdir('foo.test', datastore_id,
                                                dpath, ses)
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to list {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.EREMOTEIO:
            print 'wrong errno: {}'.format(res)
            return False

    # these should still work
    for dpath, expected in [('/', ['dir1', 'dir2']), ('/dir1', ['dir3']),
                            ('/dir1/dir3', ['dir4'])]:
        print 'listdir {} (should still work)'.format(dpath)
        res = testlib.ysi_cli_datastore_listdir('foo.test', datastore_id,
                                                dpath, ses)
        if 'error' in res:
            print 'failed to listdir {}: {}'.format(dpath, res['error'])
            return False

        if len(res['children'].keys()) != len(expected):
            print 'invalid directory: expected:\n{}\ngot:\n{}\n'.format(
                expected, res)
            return False

        for child in expected:
            if not res['children'].has_key(child):
                print 'invalid directory: missing {} in {}'.format(child, res)
                return False

    # restore service
    res = testlib.ysi_test_setenv(
        'BLOCKSTACK_INTEGRATION_TEST_STORAGE_FAILURE', '0')
    if 'error' in res:
        print 'failed to setenv: {}'.format(res)
        return False

    # remove directories (should succeed)
    for dpath in ['/dir1/dir3/dir4', '/dir1/dir3', '/dir2', '/dir1']:
        print 'rmdir {}'.format(dpath)
        res = testlib.ysi_cli_datastore_rmdir('foo.test', datastore_pk, dpath,
                                              ses)
        if 'error' in res:
            print 'failed to rmdir {}: {}'.format(dpath, res['error'])
            return False

    # stat directories (should all fail)
    for dpath in ['/dir1/dir3/dir4', '/dir1/dir3', '/dir2', '/dir1']:
        print 'stat {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_stat('foo.test', datastore_id, dpath,
                                             ses)
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to stat {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False

    # list directories (should all fail)
    for dpath, expected in [('/dir2', []), ('/dir1', ['dir3']),
                            ('/dir1/dir3', ['dir4']), ('/dir1/dir3/dir4', [])]:
        print 'listdir {} (expect failure)'.format(dpath)
        res = testlib.ysi_cli_datastore_listdir('foo.test', datastore_id,
                                                dpath, ses)
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to list {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False

    # root should be empty
    print 'listdir {}'.format('/')
    res = testlib.ysi_cli_datastore_listdir('foo.test', datastore_id, '/', ses)
    if 'error' in res:
        print 'failed to listdir /: {}'.format(res['error'])
        return False

    if len(res['children'].keys()) > 0:
        print 'root still has children: {}'.format(res['children'].keys())
        return False

    # simulate a failure in the 'test' driver
    res = testlib.ysi_test_setenv(
        'BLOCKSTACK_INTEGRATION_TEST_STORAGE_FAILURE', '1')
    if 'error' in res:
        print 'failed to setenv: {}'.format(res)
        return False

    # delete datastore (should fail)
    print 'delete datastore (expect failure)'
    res = testlib.ysi_cli_delete_datastore('foo.test', datastore_pk, ses)
    if 'error' not in res:
        print 'accidentally succeeded to delete datastore'
        print json.dumps(res)
        return False

    # restore service
    res = testlib.ysi_test_setenv(
        'BLOCKSTACK_INTEGRATION_TEST_STORAGE_FAILURE', '0')
    if 'error' in res:
        print 'failed to setenv: {}'.format(res)
        return False

    print 'delete datastore'
    res = testlib.ysi_cli_delete_datastore('foo.test', datastore_pk, ses)
    if 'error' in res:
        print 'failed to delete foo-app.com datastore'
        print json.dumps(res)
        return False

    # no more data in test-disk driver
    names = os.listdir("/tmp/ysi-integration-test-storage/mutable")
    if names != ['foo.test']:
        print 'improper cleanup on test'
        return False

    # due to our failed mkdir of /dir1 and /dir2, these
    # will have leaked. Expect 5 entries (including foo.test):
    # an idata and inode header for both dirs
    names = os.listdir("/tmp/ysi-disk/mutable")
    if len(names) != 5:
        print 'imporper cleanup on disk'
        return False

    if 'foo.test' not in names:
        print 'missing foo.test'
        return False

    testlib.next_block(**kw)
def setup_datastore(datastore_pk, blockchain_id, write_iteration):

    global sessions

    datastore_id = core_signin(datastore_pk, blockchain_id)
    if not datastore_id:
        print 'failed to sign in with {}, by {}'.format(datastore_pk, blockchain_id)
        return False
    
    ses = sessions[blockchain_id]

    # make datastore 
    res = testlib.ysi_cli_create_datastore( blockchain_id, datastore_pk, ['test'], ses)
    if 'error' in res:
        print "failed to create datastore: {}".format(res['error'])
        return False

    # make directories
    for dpath in ['/dir1', '/dir2', '/dir1/dir3', '/dir1/dir3/dir4']:
        print 'mkdir {}'.format(dpath)
        res = testlib.ysi_cli_datastore_mkdir( blockchain_id, datastore_pk, dpath, ses)
        if 'error' in res:
            print 'failed to mkdir {}: {}'.format(dpath, res['error'])
            return False

    # make directories again (should fail with EEXIST)
    for dpath in ['/dir1', '/dir2', '/dir1/dir3', '/dir1/dir3/dir4']:
        print 'mkdir {} (should fail)'.format(dpath)
        res = testlib.ysi_cli_datastore_mkdir( blockchain_id, datastore_pk, dpath, ses )
        if 'error' not in res:
            print 'accidentally succeeded to mkdir {}: {}'.format(dpath, res)
            return False

        if not res.has_key('errno'):
            print 'no errno in error {}'.format(res)
            return False

        if res['errno'] != errno.EEXIST:
            print 'wrong errno in error {}'.format(res)
            return False

    # stat directories 
    for dpath in ['/dir1', '/dir2', '/dir1/dir3', '/dir1/dir3/dir4']:
        print 'stat {}'.format(dpath)
        res = testlib.ysi_cli_datastore_stat( blockchain_id, datastore_id, dpath, ses)
        if 'error' in res:
            print 'failed to stat {}: {}'.format(dpath, res['error'])
            return False

        if res['type'] != ysi_client.schemas.MUTABLE_DATUM_DIR_TYPE:
            print 'not a directory: {}, {}'.format(dpath, res)
            return False

    # list directories 
    for dpath, expected in [('/', ['dir1', 'dir2']), ('/dir1', ['dir3']), ('/dir1/dir3', ['dir4']), ('/dir1/dir3/dir4', [])]:
        print 'listdir {}'.format(dpath)
        res = testlib.ysi_cli_datastore_listdir( blockchain_id, datastore_id, dpath, ses)
        if 'error' in res:
            print 'failed to listdir {}: {}'.format(dpath, res['error'])
            return False

        print res
        if len(res['children'].keys()) != len(expected):
            print 'invalid directory: expected:\n{}\ngot:\n{}\n'.format(expected, res)
            return False

        for child in expected: 
            if not res['children'].has_key(child):
                print 'invalid directory: missing {} in {}'.format(child, res)
                return False

    # put files
    res = write_datastore(blockchain_id, datastore_pk, write_iteration)
    if not res:
        print 'failed to write files (iteration {}) to {}'.format(write_iteration, datastore_id)
        return False

    # read everything to be sure it's there
    res = read_datastore(datastore_id, blockchain_id, write_iteration)
    if not res:
        print 'failed to read datastore {} from {}'.format(datastore_id, blockchain_id)
        return False

    return True