summaryrefslogtreecommitdiffstats
path: root/tests/utils.py
blob: 8b974edddd2b526d5c75194dc98244c1476261ac (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
#    Copyright (C) 2015 Combox author(s). See AUTHORS.
#
#    This file is part of Combox.
#
#   Combox is free software: you can redistribute it and/or modify it
#   under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   Combox is distributed in the hope that it will be useful, but
#   WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#   General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with Combox (see COPYING).  If not, see
#   <http://www.gnu.org/licenses/>.

import yaml

from nose.tools import *
from os import path, remove, rmdir

from combox.config import config_cb, get_nodedirs
from combox.file import relative_path

def get_input_func():
    """Returns the input function

    The input function is meant to be passed to the config_cb function
    in the combox.config module.

    """
    config_dir = path.join('tests', 'test-config')
    combox_dir = path.join('tests', 'files')
    node_dir_0 = path.join('tests', 'shard-dir-0')
    node_dir_1 = path.join('tests', 'shard-dir-1')

    # sample config info.
    config_info = ['testbox', combox_dir, config_dir, '2',
                   'node-0', node_dir_0, '1024',
                   'node-1', node_dir_1, '1024']

    config_info_iter = iter(config_info)
    input_func = lambda(x): next(config_info_iter)

    return input_func


def get_config():
    """Constructs test config dict and returns it."""

    config_dir = path.join('tests', 'test-config')
    pass_func = lambda: 'topsecret'
    input_func = get_input_func()

    return config_cb(config_dir, pass_func, input_func, write=False)


def shardedp(f):
    """Checks if file's shards exists in the node directories"""

    config = get_config()
    nodes = get_nodedirs(config)
    i = 0
    for node in nodes:
        rel_path = relative_path(f, config)
        shard = "%s.shard%s" % (path.join(node, rel_path), i)
        i += 1
        assert path.isfile(shard)


def dirp(d):
    """
    Checks if the directory was created under node directories
    """
    config = get_config()
    nodes = get_nodedirs(config)
    for node in nodes:
        rel_path = relative_path(d, config)
        directory = path.join(node, rel_path)
        assert path.isdir(directory)


def renamedp(old_p, new_p):
    """
    Checks if the file shards or directory were/was renamed in the  under the node directories.

    old_p: old path to directory or file under combox directory.
    new_p: new (present) path to the directory or file under combox directory.
    """

    config = get_config()
    nodes = get_nodedirs(config)

    is_dir = True if path.isdir(new_p) else False
    i = 0

    for node in nodes:
        old_rel_path = relative_path(old_p, config)
        new_rel_path = relative_path(new_p, config)

        if is_dir:
            old_path = path.join(node, old_rel_path)
            new_path = path.join(node, new_rel_path)
        else:
            old_path = "%s.shard%s" % (path.join(node, old_rel_path), i)
            new_path = "%s.shard%s" % (path.join(node, new_rel_path), i)
            i += 1

        assert not path.exists(old_path)
        assert path.exists(new_path)


def path_deletedp(p, is_dir=False):
    """
    Checks if the directory or respective file shards  is deleted under node directories.

    p: path to the directory or file, under the combox directory, that was deleted.
    is_dir: set to True if `p' denotes a deleted directory. Default value is False.
    """

    config = get_config()
    nodes = get_nodedirs(config)

    i = 0
    for node in nodes:
        rel_path = relative_path(p, config)

        if is_dir:
            path_ = path.join(node, rel_path)
        else:
            path_ = "%s.shard%s" % (path.join(node, rel_path), i)
            i += 1

        assert not path.exists(path_)