GCC Code Coverage Report

Directory: ./
File: tests/test-utils.c
Date: 2025-08-09 07:40:30
Exec Total Coverage
Lines: 60 63 95.2%
Functions: 5 6 83.3%
Branches: 18 30 60.0%
Line Branch Exec Source
1 /*
2 * Unit tests for libfprint
3 * Copyright (C) 2019 Marco Trevisan <marco.trevisan@canonical.com>
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20 #include <libfprint/fprint.h>
21 #include <glib/gstdio.h>
22
23 #include "test-utils.h"
24
25 struct
26 {
27 const char *envvar;
28 const char *driver_id;
29 const char *device_id;
30 } devtype_vars[FPT_NUM_VIRTUAL_DEVICE_TYPES] = {
31 { "FP_VIRTUAL_IMAGE", "virtual_image", "virtual_image" }, /* FPT_VIRTUAL_DEVICE_IMAGE */
32 { "FP_VIRTUAL_DEVICE", "virtual_device", "virtual_device" }, /* FPT_VIRTUAL_DEVICE_NONIMAGE */
33 { "FP_VIRTUAL_DEVICE_STORAGE", "virtual_device_storage", "virtual_device_storage" } /* FPT_VIRTUAL_DEVICE_NONIMAGE_STORAGE */
34 };
35
36 static FptVirtualDeviceType global_devtype;
37
38 void
39 29 fpt_teardown_virtual_device_environment (void)
40 {
41 29 const char *path;
42
43 29 path = g_getenv (devtype_vars[global_devtype].envvar);
44
45
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 29 if (path)
46 {
47 48 g_autofree char *temp_dir = g_path_get_dirname (path);
48
49 24 g_unsetenv (devtype_vars[global_devtype].envvar);
50 24 g_unlink (path);
51 24 g_rmdir (temp_dir);
52 }
53 29 }
54
55 static void
56 ✗ on_signal_event (int sig)
57 {
58 ✗ fpt_teardown_virtual_device_environment ();
59 ✗ }
60
61 void
62 24 fpt_setup_virtual_device_environment (FptVirtualDeviceType devtype)
63 {
64 48 g_autoptr(GError) error = NULL;
65
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 24 g_autofree char *temp_dir = NULL;
66 24 g_autofree char *temp_path = NULL;
67 24 g_autofree char *filename = NULL;
68
69
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 24 g_assert_null (g_getenv (devtype_vars[devtype].envvar));
70
71 24 temp_dir = g_dir_make_tmp ("libfprint-XXXXXX", &error);
72
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 24 g_assert_no_error (error);
73
74 24 filename = g_strdup_printf ("%s.socket", devtype_vars[devtype].device_id);
75 24 temp_path = g_build_filename (temp_dir, filename, NULL);
76 24 g_setenv (devtype_vars[devtype].envvar, temp_path, TRUE);
77
78 24 global_devtype = devtype;
79
80 24 signal (SIGKILL, on_signal_event);
81 24 signal (SIGABRT, on_signal_event);
82 24 signal (SIGSEGV, on_signal_event);
83 24 signal (SIGTERM, on_signal_event);
84 24 signal (SIGQUIT, on_signal_event);
85 24 signal (SIGPIPE, on_signal_event);
86 24 }
87
88 FptContext *
89 22 fpt_context_new (void)
90 {
91 22 FptContext *tctx;
92
93 22 tctx = g_new0 (FptContext, 1);
94 22 tctx->fp_context = fp_context_new ();
95
96 22 return tctx;
97 }
98
99 FptContext *
100 22 fpt_context_new_with_virtual_device (FptVirtualDeviceType devtype)
101 {
102 22 FptContext *tctx;
103 22 GPtrArray *devices;
104 22 unsigned int i;
105
106
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 22 g_assert_true (devtype >= FPT_VIRTUAL_DEVICE_IMAGE &&
107 devtype < FPT_NUM_VIRTUAL_DEVICE_TYPES);
108
109 22 fpt_setup_virtual_device_environment (devtype);
110
111 22 tctx = fpt_context_new ();
112 22 devices = fp_context_get_devices (tctx->fp_context);
113
114
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 22 g_assert_nonnull (devices);
115
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 22 g_assert_cmpuint (devices->len, ==, 1);
116
117
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 22 for (i = 0; i < devices->len; ++i)
118 {
119 22 FpDevice *device = devices->pdata[i];
120
121
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 22 if (g_strcmp0 (fp_device_get_driver (device), devtype_vars[devtype].driver_id) == 0)
122 {
123 22 tctx->device = device;
124 22 break;
125 }
126 }
127
128
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 22 g_assert_true (FP_IS_DEVICE (tctx->device));
129 22 g_object_add_weak_pointer (G_OBJECT (tctx->device), (gpointer) & tctx->device);
130
131 22 return tctx;
132 }
133
134 void
135 22 fpt_context_free (FptContext *tctx)
136 {
137
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 22 if (tctx->device && fp_device_is_open (tctx->device))
138 {
139 14 g_autoptr(GError) error = NULL;
140
141 14 fp_device_close_sync (tctx->device, NULL, &error);
142
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 14 g_assert_no_error (error);
143 }
144
145
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 22 g_clear_object (&tctx->fp_context);
146 22 g_free (tctx);
147
148 22 fpt_teardown_virtual_device_environment ();
149 22 }
150