add preliminary unit tests for utils

1 files changed, 112 insertions, 0 deletions

diff --git a/tests/test-utils.cc b/tests/test-utils.cc
new file mode 100644
index 0000000..c757a11
--- /dev/null
+++ b/tests/test-utils.cc
@@ -0,0 +1,112 @@
+/*
+Copyright 2012 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 <gtest/gtest.h>
+
+#include <glib-object.h>
+
+#include "utils.h"
+
+/***
+****
+***/
+
+TEST (UtilsTest, SplitSettingsLocation)
+{
+  guint i;
+  guint n;
+
+  struct {
+    const char * location;
+    const char * expected_zone;
+    const char * expected_name;
+  } test_cases[] = {
+    { "America/Chicago Chicago", "America/Chicago", "Chicago" },
+    { "America/Chicago Oklahoma City", "America/Chicago", "Oklahoma City" },
+    { "America/Los_Angeles",      "America/Los_Angeles", "Los Angeles" },
+    { "America/Los_Angeles  ",    "America/Los_Angeles", "Los Angeles" },
+    { "  America/Los_Angeles",    "America/Los_Angeles", "Los Angeles" },
+    { "  America/Los_Angeles   ", "America/Los_Angeles", "Los Angeles" },
+    { "UTC UTC", "UTC", "UTC" }
+  };
+
+  for (i=0, n=G_N_ELEMENTS(test_cases); i<n; i++)
+    {
+      char * zone = NULL;
+      char * name = NULL;
+
+      split_settings_location (test_cases[i].location, &zone, &name);
+      ASSERT_STREQ (test_cases[i].expected_zone, zone);
+      ASSERT_STREQ (test_cases[i].expected_name, name);
+
+      g_free (zone);
+      g_free (name);
+    }
+}
+
+/***
+****
+***/
+
+#define EM_SPACE "\xE2\x80\x82"
+
+TEST (UtilsTest, GenerateTerseFormatString)
+{
+  guint i;
+  guint n;
+  GDateTime * arbitrary_day = g_date_time_new_local (2013, 6, 25, 12, 34, 56);
+  GDateTime * on_the_hour   = g_date_time_new_local (2013, 6, 25, 12,  0,  0);
+
+  struct {
+    GDateTime * now;
+    GDateTime * time;
+    const char * expected_format_string;
+  } test_cases[] = {
+    { g_date_time_ref(arbitrary_day), g_date_time_ref(arbitrary_day), "%I:%M %p" }, /* identical time */
+    { g_date_time_ref(arbitrary_day), g_date_time_add_hours(arbitrary_day,1), "%I:%M %p" }, /* later today */
+    { g_date_time_ref(arbitrary_day), g_date_time_add_days(arbitrary_day,1), "Tomorrow" EM_SPACE "%I:%M %p" }, /* tomorrow */
+    { g_date_time_ref(arbitrary_day), g_date_time_add_days(arbitrary_day,2), "%a" EM_SPACE "%I:%M %p" },
+    { g_date_time_ref(arbitrary_day), g_date_time_add_days(arbitrary_day,6), "%a" EM_SPACE "%I:%M %p" },
+    { g_date_time_ref(arbitrary_day), g_date_time_add_days(arbitrary_day,7), "%d %b" EM_SPACE "%I:%M %p" }, /* over one week away */
+
+    { g_date_time_ref(on_the_hour), g_date_time_ref(on_the_hour), "%l %p" }, /* identical time */
+    { g_date_time_ref(on_the_hour), g_date_time_add_hours(on_the_hour,1), "%l %p" }, /* later today */
+    { g_date_time_ref(on_the_hour), g_date_time_add_days(on_the_hour,1), "Tomorrow" EM_SPACE "%l %p" }, /* tomorrow */
+    { g_date_time_ref(on_the_hour), g_date_time_add_days(on_the_hour,2), "%a" EM_SPACE "%l %p" },
+    { g_date_time_ref(on_the_hour), g_date_time_add_days(on_the_hour,6), "%a" EM_SPACE "%l %p" },
+    { g_date_time_ref(on_the_hour), g_date_time_add_days(on_the_hour,7), "%d %b" EM_SPACE "%l %p" }, /* over one week away */
+  };
+
+  for (i=0, n=G_N_ELEMENTS(test_cases); i<n; i++)
+    {
+      char * format_string;
+
+      format_string = generate_terse_format_string_at_time (test_cases[i].now,
+                                                            test_cases[i].time); 
+
+      ASSERT_STREQ (test_cases[i].expected_format_string, format_string);
+
+      g_free (format_string);
+      g_date_time_unref (test_cases[i].now);
+      g_date_time_unref (test_cases[i].time);
+    }
+
+  g_date_time_unref (arbitrary_day);
+  g_date_time_unref (on_the_hour);
+}