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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright © 2017 Endless Mobile, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Authors:
* - Philip Withnall <withnall@endlessm.com>
*/
#include "config.h"
#include <gio/gio.h>
#include <glib.h>
#include <glib-object.h>
#include <locale.h>
#include <string.h>
#include "ostree-autocleanups.h"
#include "ostree-repo-finder.h"
#include "ostree-repo-finder-avahi.h"
#include "ostree-repo-finder-avahi-private.h"
/* FIXME: Upstream this */
G_DEFINE_AUTOPTR_CLEANUP_FUNC (AvahiStringList, avahi_string_list_free)
/* Test the object constructor works at a basic level. */
static void
test_repo_finder_avahi_init (void)
{
g_autoptr(OstreeRepoFinderAvahi) finder = NULL;
g_autoptr(GMainContext) context = NULL;
/* Default main context. */
finder = ostree_repo_finder_avahi_new (NULL);
g_clear_object (&finder);
/* Explicit main context. */
context = g_main_context_new ();
finder = ostree_repo_finder_avahi_new (context);
g_clear_object (&finder);
}
/* Test parsing valid and invalid TXT records. */
static void
test_repo_finder_avahi_txt_records_parse (void)
{
struct
{
const guint8 *txt;
gsize txt_len;
const gchar *expected_key; /* (nullable) to indicate parse failure */
const guint8 *expected_value; /* (nullable) to allow for valueless keys */
gsize expected_value_len;
}
vectors[] =
{
{ (const guint8 *) "", 0, NULL, NULL, 0 },
{ (const guint8 *) "\x00", 1, NULL, NULL, 0 },
{ (const guint8 *) "\xff", 1, NULL, NULL, 0 },
{ (const guint8 *) "k\x00", 2, NULL, NULL, 0 },
{ (const guint8 *) "k\xff", 2, NULL, NULL, 0 },
{ (const guint8 *) "=", 1, NULL, NULL, 0 },
{ (const guint8 *) "=value", 6, NULL, NULL, 0 },
{ (const guint8 *) "k=v", 3, "k", (const guint8 *) "v", 1 },
{ (const guint8 *) "key=value", 9, "key", (const guint8 *) "value", 5 },
{ (const guint8 *) "k=v=", 4, "k", (const guint8 *) "v=", 2 },
{ (const guint8 *) "k=", 2, "k", (const guint8 *) "", 0 },
{ (const guint8 *) "k", 1, "k", NULL, 0 },
{ (const guint8 *) "k==", 3, "k", (const guint8 *) "=", 1 },
{ (const guint8 *) "k=\x00\x01\x02", 5, "k", (const guint8 *) "\x00\x01\x02", 3 },
};
gsize i;
for (i = 0; i < G_N_ELEMENTS (vectors); i++)
{
g_autoptr(AvahiStringList) string_list = NULL;
g_autoptr(GHashTable) attributes = NULL;
g_test_message ("Vector %" G_GSIZE_FORMAT, i);
string_list = avahi_string_list_add_arbitrary (NULL, vectors[i].txt, vectors[i].txt_len);
attributes = _ostree_txt_records_parse (string_list);
if (vectors[i].expected_key != NULL)
{
GBytes *value;
g_autoptr(GBytes) expected_value = NULL;
g_assert_true (g_hash_table_lookup_extended (attributes,
vectors[i].expected_key,
NULL,
(gpointer *) &value));
g_assert_cmpuint (g_hash_table_size (attributes), ==, 1);
if (vectors[i].expected_value != NULL)
{
g_assert_nonnull (value);
expected_value = g_bytes_new_static (vectors[i].expected_value, vectors[i].expected_value_len);
g_assert_true (g_bytes_equal (value, expected_value));
}
else
{
g_assert_null (value);
}
}
else
{
g_assert_cmpuint (g_hash_table_size (attributes), ==, 0);
}
}
}
/* Test that the first value for a set of duplicate records is returned.
* See RFC 6763, §6.4. */
static void
test_repo_finder_avahi_txt_records_duplicates (void)
{
g_autoptr(AvahiStringList) string_list = NULL;
g_autoptr(GHashTable) attributes = NULL;
GBytes *value;
g_autoptr(GBytes) expected_value = NULL;
/* Reverse the list before using it, as they are built in reverse order.
* (See the #AvahiStringList documentation.) */
string_list = avahi_string_list_new ("k=value1", "k=value2", "k=value3", NULL);
string_list = avahi_string_list_reverse (string_list);
attributes = _ostree_txt_records_parse (string_list);
g_assert_cmpuint (g_hash_table_size (attributes), ==, 1);
value = g_hash_table_lookup (attributes, "k");
g_assert_nonnull (value);
expected_value = g_bytes_new_static ("value1", strlen ("value1"));
g_assert_true (g_bytes_equal (value, expected_value));
}
/* Test that keys are parsed and looked up case insensitively.
* See RFC 6763, §6.4. */
static void
test_repo_finder_avahi_txt_records_case_sensitivity (void)
{
g_autoptr(AvahiStringList) string_list = NULL;
g_autoptr(GHashTable) attributes = NULL;
GBytes *value1, *value2;
g_autoptr(GBytes) expected_value1 = NULL, expected_value2 = NULL;
/* Reverse the list before using it, as they are built in reverse order.
* (See the #AvahiStringList documentation.) */
string_list = avahi_string_list_new ("k=value1",
"K=value2",
"KeY2=v",
NULL);
string_list = avahi_string_list_reverse (string_list);
attributes = _ostree_txt_records_parse (string_list);
g_assert_cmpuint (g_hash_table_size (attributes), ==, 2);
value1 = g_hash_table_lookup (attributes, "k");
g_assert_nonnull (value1);
expected_value1 = g_bytes_new_static ("value1", strlen ("value1"));
g_assert_true (g_bytes_equal (value1, expected_value1));
g_assert_null (g_hash_table_lookup (attributes, "K"));
value2 = g_hash_table_lookup (attributes, "key2");
g_assert_nonnull (value2);
expected_value2 = g_bytes_new_static ("v", 1);
g_assert_true (g_bytes_equal (value2, expected_value2));
g_assert_null (g_hash_table_lookup (attributes, "KeY2"));
}
/* Test that keys which have an empty value can be distinguished from those
* which have no value. See RFC 6763, §6.4. */
static void
test_repo_finder_avahi_txt_records_empty_and_missing (void)
{
g_autoptr(AvahiStringList) string_list = NULL;
g_autoptr(GHashTable) attributes = NULL;
GBytes *value1, *value2;
g_autoptr(GBytes) expected_value1 = NULL;
string_list = avahi_string_list_new ("empty=",
"missing",
NULL);
attributes = _ostree_txt_records_parse (string_list);
g_assert_cmpuint (g_hash_table_size (attributes), ==, 2);
value1 = g_hash_table_lookup (attributes, "empty");
g_assert_nonnull (value1);
expected_value1 = g_bytes_new_static ("", 0);
g_assert_true (g_bytes_equal (value1, expected_value1));
g_assert_true (g_hash_table_lookup_extended (attributes, "missing", NULL, (gpointer *) &value2));
g_assert_null (value2);
}
int main (int argc, char **argv)
{
setlocale (LC_ALL, "");
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/repo-finder-avahi/init", test_repo_finder_avahi_init);
g_test_add_func ("/repo-finder-avahi/txt-records/parse", test_repo_finder_avahi_txt_records_parse);
g_test_add_func ("/repo-finder-avahi/txt-records/duplicates", test_repo_finder_avahi_txt_records_duplicates);
g_test_add_func ("/repo-finder-avahi/txt-records/case-sensitivity", test_repo_finder_avahi_txt_records_case_sensitivity);
g_test_add_func ("/repo-finder-avahi/txt-records/empty-and-missing", test_repo_finder_avahi_txt_records_empty_and_missing);
/* FIXME: Add tests for service processing, probably by splitting the
* code in OstreeRepoFinderAvahi around found_services. */
return g_test_run();
}
|
