summaryrefslogtreecommitdiff
path: root/tests/unittests/test_datasource/test_maas.py
blob: ad169b973bba67cbf0094206beff5faadc0fdefc (plain)
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
from unittest import TestCase
from tempfile import mkdtemp
from shutil import rmtree
import os
from copy import copy
from cloudinit.DataSourceMaaS import (
    MaasSeedDirNone,
    MaasSeedDirMalformed,
    read_maas_seed_dir,
)


class TestMaasDataSource(TestCase):

    def setUp(self):
        super(TestMaasDataSource, self).setUp()
        # Make a temp directoy for tests to use.
        self.tmp = mkdtemp(prefix="unittest_")

    def tearDown(self):
        super(TestMaasDataSource, self).tearDown()
        # Clean up temp directory
        rmtree(self.tmp)

    def test_seed_dir_valid(self):
        """Verify a valid seeddir is read as such"""

        data = {'instance-id': 'i-valid01', 'hostname': 'valid01-hostname',
            'userdata': 'valid01-userdata'}

        my_d = os.path.join(self.tmp, "valid")
        populate_dir(my_d, data)

        (userdata, metadata) = read_maas_seed_dir(my_d)

        self.assertEqual(userdata, data['userdata'])
        for key in ('instance-id', 'hostname'):
            self.assertEqual(data[key], metadata[key])
        
    def test_seed_dir_valid_extra(self):
        """Verify extra files do not affect seed_dir validity """

        data = {'instance-id': 'i-valid-extra',
            'hostname': 'valid-extra-hostname',
            'userdata': 'valid-extra-userdata', 'foo': 'bar'}

        my_d = os.path.join(self.tmp, "valid_extra")
        populate_dir(my_d, data)

        (userdata, metadata) = read_maas_seed_dir(my_d)

        self.assertEqual(userdata, data['userdata'])
        for key in ('instance-id', 'hostname'):
            self.assertEqual(data[key], metadata[key])

        # additional files should not just appear as keys in metadata atm
        self.assertFalse(('foo' in metadata))

    def test_seed_dir_invalid(self):
        """Verify that invalid seed_dir raises MaasSeedDirMalformed"""

        valid = {'instance-id': 'i-instanceid',
            'hostname': 'test-hostname', 'userdata': ''}

        my_based = os.path.join(self.tmp, "valid_extra")

        # missing 'userdata' file
        my_d = "%s-01" % my_based
        invalid_data = copy(valid)
        del invalid_data['userdata']
        populate_dir(my_d, invalid_data)
        self.assertRaises(MaasSeedDirMalformed, read_maas_seed_dir, my_d)

        # missing 'instance-id'
        my_d = "%s-02" % my_based
        invalid_data = copy(valid)
        del invalid_data['instance-id']
        populate_dir(my_d, invalid_data)
        self.assertRaises(MaasSeedDirMalformed, read_maas_seed_dir, my_d)

    def test_seed_dir_none(self):
        """Verify that empty seed_dir raises MaasSeedDirNone"""

        my_d = os.path.join(self.tmp, "valid_empty")
        self.assertRaises(MaasSeedDirNone, read_maas_seed_dir, my_d)

    def test_seed_dir_missing(self):
        """Verify that missing seed_dir raises MaasSeedDirNone"""
        self.assertRaises(MaasSeedDirNone, read_maas_seed_dir,
            os.path.join(self.tmp, "nonexistantdirectory"))

    def test_seed_url_valid(self):
        """Verify that valid seed_url is read as such"""
        pass

    def test_seed_url_invalid(self):
        """Verify that invalid seed_url raises MaasSeedDirMalformed"""
        pass

    def test_seed_url_missing(self):
        """Verify seed_url with no found entries raises MaasSeedDirNone"""
        pass


def populate_dir(seed_dir, files):
    os.mkdir(seed_dir)
    for (name, content) in files.iteritems():
        with open(os.path.join(seed_dir, name), "w") as fp:
            fp.write(content)
            fp.close()

# vi: ts=4 expandtab