aboutsummaryrefslogtreecommitdiff
path: root/tests/glib-fixture.h
blob: 3f517d4a5d7baeb3bb2c25431bc8c6b17d90fdc3 (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
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
/*
 * Copyright 2013 Canonical Ltd.
 *
 * Authors:
 *   Charles Kerr <charles.kerr@canonical.com>
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 3, as published
 * by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranties of
 * MERCHANTABILITY, SATISFACTORY QUALITY, 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <map>

#include <glib.h>
#include <glib/gstdio.h>
#include <gio/gio.h>

#include <gtest/gtest.h>

#include <locale.h> // setlocale()

class GlibFixture : public ::testing::Test
{
  private:

    //GLogFunc realLogHandler;

  protected:

    std::map<GLogLevelFlags,int> logCounts;

    void testLogCount(GLogLevelFlags log_level, int /*expected*/)
    {
#if 0
      EXPECT_EQ(expected, logCounts[log_level]);
#endif

      logCounts.erase(log_level);
    }

  private:

    static void default_log_handler(const gchar    * log_domain,
                                    GLogLevelFlags   log_level,
                                    const gchar    * message,
                                    gpointer         self)
    {
      g_print("%s - %d - %s\n", log_domain, (int)log_level, message);
      static_cast<GlibFixture*>(self)->logCounts[log_level]++;
    }

  protected:

    virtual void SetUp()
    {
      setlocale(LC_ALL, "");

      loop = g_main_loop_new(nullptr, false);

      //g_log_set_default_handler(default_log_handler, this);

      // only use local, temporary settings
      g_assert(g_setenv("GSETTINGS_SCHEMA_DIR", SCHEMA_DIR, true));
      g_assert(g_setenv("GSETTINGS_BACKEND", "memory", true));
      g_debug("SCHEMA_DIR is %s", SCHEMA_DIR);

      g_unsetenv("DISPLAY");

    }

    virtual void TearDown()
    {
#if 0
      // confirm there aren't any unexpected log messages
      EXPECT_EQ(0, logCounts[G_LOG_LEVEL_ERROR]);
      EXPECT_EQ(0, logCounts[G_LOG_LEVEL_CRITICAL]);
      EXPECT_EQ(0, logCounts[G_LOG_LEVEL_WARNING]);
      EXPECT_EQ(0, logCounts[G_LOG_LEVEL_MESSAGE]);
      EXPECT_EQ(0, logCounts[G_LOG_LEVEL_INFO]);
#endif

      // revert to glib's log handler
      //g_log_set_default_handler(realLogHandler, this);

      g_clear_pointer(&loop, g_main_loop_unref);
    }

  private:

    static gboolean
    wait_for_signal__timeout(gpointer name)
    {
      g_error("%s: timed out waiting for signal '%s'", G_STRLOC, (char*)name);
      return G_SOURCE_REMOVE;
    }

    static gboolean
    wait_msec__timeout(gpointer loop)
    {
      g_main_loop_quit(static_cast<GMainLoop*>(loop));
      return G_SOURCE_CONTINUE;
    }

  protected:

    /* convenience func to loop while waiting for a GObject's signal */
    void wait_for_signal(gpointer o, const gchar * signal, const int timeout_seconds=5)
    {
      // wait for the signal or for timeout, whichever comes first
      const auto handler_id = g_signal_connect_swapped(o, signal,
                                                       G_CALLBACK(g_main_loop_quit),
                                                       loop);
      const auto timeout_id = g_timeout_add_seconds(timeout_seconds,
                                                    wait_for_signal__timeout,
                                                    loop);
      g_main_loop_run(loop);
      g_source_remove(timeout_id);
      g_signal_handler_disconnect(o, handler_id);
    }

    /* convenience func to loop for N msec */
    void wait_msec(int msec=50)
    {
      const auto id = g_timeout_add(msec, wait_msec__timeout, loop);
      g_main_loop_run(loop);
      g_source_remove(id);
    }

    GMainLoop * loop;
};