add Google Test scaffolding to indicator-datetime: autotools rules, support for finding the uninstalled copy of the gsettings schema, and a 'hello world' test.

6 files changed, 275 insertions, 5 deletions

diff --git a/Makefile.am b/Makefile.am
index 224ec45..c8b7f9a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,10 +1,12 @@
 ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
 
-SUBDIRS = \
-	src \
-	data \
-	tests \
-	po
+SUBDIRS = po data src
+
+if BUILD_TESTS
+SUBDIRS += tests
+# build src first
+tests: src
+endif
 
 DISTCHECK_CONFIGURE_FLAGS = --enable-localinstall
 
diff --git a/configure.ac b/configure.ac
index 6b34706..e0f1156 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,6 +20,7 @@ AM_SILENT_RULES([yes])
 # Check for programs
 AC_PROG_CC
 AM_PROG_CC_C_O
+AC_PROG_CXX
 AC_HEADER_STDC
 
 # Initialize libtool
@@ -179,6 +180,26 @@ else
 fi
 AC_SUBST(DBUSSERVICEDIR)
 
+###########################
+# Google Test framework
+###########################
+
+AC_ARG_ENABLE([tests],
+    [AS_HELP_STRING([--disable-tests], [Disable test scripts and tools (default=auto)])],
+    [enable_tests=${enableval}],
+    [enable_tests=auto])
+if test "x$enable_tests" != "xno"; then
+    m4_include([m4/gtest.m4])
+    CHECK_GTEST
+    CHECK_XORG_GTEST
+    if test "x$enable_tests" = "xauto"; then
+        enable_tests=${have_gtest}
+    elif test "x$enable_tests" = "xyes" && test "x$have_gtest" != "xyes"; then
+        AC_MSG_ERROR([tests were requested but gtest is not installed.])
+    fi
+fi
+AM_CONDITIONAL([BUILD_TESTS],[test "x$enable_tests" = "xyes"])
+
 ##############################
 # Custom Junk
 ##############################
@@ -232,5 +253,6 @@ Date and Time Indicator Configuration:
 	Indicator Dir: $INDICATORDIR
 	CC Panel:      $have_ccpanel
 	CC Panel Dir:  $CCPANELDIR
+	Unit Tests:    $enable_tests
 	gcov:          $use_gcov
 ])
diff --git a/m4/gtest.m4 b/m4/gtest.m4
new file mode 100644
index 0000000..2de334c
--- /dev/null
+++ b/m4/gtest.m4
@@ -0,0 +1,63 @@
+# Copyright (C) 2012 Canonical, Ltd.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice (including the next
+# paragraph) shall be included in all copies or substantial portions of the
+# Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+# Checks whether the gtest source is available on the system. Allows for
+# adjusting the include and source path. Sets have_gtest=yes if the source is
+# present. Sets GTEST_CPPFLAGS and GTEST_SOURCE to the preprocessor flags and
+# source location respectively.
+AC_DEFUN([CHECK_GTEST],
+[
+  AC_ARG_WITH([gtest-include-path],
+              [AS_HELP_STRING([--with-gtest-include-path],
+                              [location of the Google test headers])],
+              [GTEST_CPPFLAGS="-I$withval"])
+
+  AC_ARG_WITH([gtest-source-path],
+              [AS_HELP_STRING([--with-gtest-source-path],
+                              [location of the Google test sources, defaults to /usr/src/gtest])],
+              [GTEST_SOURCE="$withval"],
+              [GTEST_SOURCE="/usr/src/gtest"])
+
+  GTEST_CPPFLAGS="$GTEST_CPPFLAGS -I$GTEST_SOURCE"
+
+  AC_LANG_PUSH([C++])
+
+  tmp_CPPFLAGS="$CPPFLAGS"
+  CPPFLAGS="$CPPFLAGS $GTEST_CPPFLAGS"
+
+  AC_CHECK_HEADER([gtest/gtest.h])
+
+  CPPFLAGS="$tmp_CPPFLAGS"
+
+  AC_LANG_POP
+
+  AC_CHECK_FILES([$GTEST_SOURCE/src/gtest-all.cc]
+                 [$GTEST_SOURCE/src/gtest_main.cc],
+                 [have_gtest_source=yes],
+                 [have_gtest_source=no])
+
+  AS_IF([test "x$ac_cv_header_gtest_gtest_h" = xyes -a \
+              "x$have_gtest_source" = xyes],
+        [have_gtest=yes]
+        [AC_SUBST(GTEST_CPPFLAGS)]
+        [AC_SUBST(GTEST_SOURCE)],
+        [have_gtest=no])
+]) # CHECK_GTEST
diff --git a/tests/Makefile.am b/tests/Makefile.am
index e69de29..cc3b52a 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -0,0 +1,52 @@
+TESTS =
+CLEANFILES =
+BUILT_SOURCES =
+check_PROGRAMS =
+
+###
+###
+###
+
+# stock UMB tests on user-visible strings
+include $(srcdir)/Makefile.am.strings
+
+check_LIBRARIES = libgtest.a
+nodist_libgtest_a_SOURCES = \
+  $(GTEST_SOURCE)/src/gtest-all.cc \
+  $(GTEST_SOURCE)/src/gtest_main.cc
+
+AM_CPPFLAGS = $(GTEST_CPPFLAGS) -I${top_srcdir}/src -Wall -Werror
+AM_CXXFLAGS = $(GTEST_CXXFLAGS)
+
+###
+###
+###
+
+TEST_LIBS = \
+        $(top_builddir)/src/.libs/libdatetime.so \
+        $(INDICATOR_LIBS) \
+        $(COVERAGE_LDFLAGS) \
+        libgtest.a
+
+TEST_CPPFLAGS = \
+        $(AM_CPPFLAGS) \
+        $(INDICATOR_CFLAGS)
+
+BUILT_SOURCES += gschemas.compiled
+CLEANFILES += gschemas.compiled
+gschemas.compiled: Makefile
+	@glib-compile-schemas --targetdir=$(abs_builddir) $(top_builddir)/data
+
+###
+###
+###
+
+TESTS += test-indicator
+check_PROGRAMS += test-indicator
+test_indicator_SOURCES = test-indicator.cc
+test_indicator_LDADD = $(TEST_LIBS)
+test_indicator_CPPFLAGS = $(TEST_CPPFLAGS) -DSCHEMA_DIR="\"$(top_builddir)/tests/\""
+
+###
+###
+###
diff --git a/tests/Makefile.am.strings b/tests/Makefile.am.strings
new file mode 100644
index 0000000..26a23a8
--- /dev/null
+++ b/tests/Makefile.am.strings
@@ -0,0 +1,38 @@
+TESTS += \
+	test-ellipsis \
+	test-space-ellipsis \
+	test-ascii-quotes
+
+#####
+# Tests for there being proper ellipsis instead of three periods in a row
+#####
+test-ellipsis: $(top_srcdir)/po
+	@echo "#!/bin/bash" > $@
+	@echo "(cd $(top_srcdir)/po && make $(GETTEXT_PACKAGE).pot)" >> $@
+	@echo "grep -c -e \"^msgid.*\.\.\.\\\"\" $(top_srcdir)/po/$(GETTEXT_PACKAGE).pot > /dev/null && echo \"Ellipsis found in user visible strings\" >&2 && exit 1" >> $@
+	@echo "exit 0" >> $@
+	@chmod +x $@
+
+#####
+# Tests for there being a space before an ellipsis
+#####
+test-space-ellipsis: $(top_srcdir)/po
+	@echo "#!/bin/bash" > $@
+	@echo "(cd $(top_srcdir)/po && make $(GETTEXT_PACKAGE).pot)" >> $@
+	@echo "grep -c -e \"^msgid.* …\\\"\" $(top_srcdir)/po/$(GETTEXT_PACKAGE).pot > /dev/null && echo \"Space before ellipsis found in user visible strings\" >&2 && exit 1" >> $@
+	@echo "exit 0" >> $@
+	@chmod +x $@
+
+#####
+# Tests for ASCII quote types
+#####
+test-ascii-quotes: $(top_srcdir)/po
+	@echo "#!/bin/bash" > $@
+	@echo "(cd $(top_srcdir)/po && make $(GETTEXT_PACKAGE).pot)" >> $@
+	@echo "grep -c -e \"^msgid \\\".*'.*\\\"\" $(top_srcdir)/po/$(GETTEXT_PACKAGE).pot > /dev/null && echo \"ASCII apostrophy found in user visible strings\" >&2 && exit 1" >> $@
+	@echo "grep -c -e \"^msgid \\\".*\\\".*\\\"\" $(top_srcdir)/po/$(GETTEXT_PACKAGE).pot > /dev/null && echo \"ASCII quote found in user visible strings\" >&2 && exit 1" >> $@
+	@echo "grep -c -e \"^msgid \\\".*\\\`.*\\\"\" $(top_srcdir)/po/$(GETTEXT_PACKAGE).pot > /dev/null && echo \"ASCII backtick found in user visible strings\" >&2 && exit 1" >> $@
+	@echo "exit 0" >> $@
+	@chmod +x $@
+
+CLEANFILES += $(TESTS)
diff --git a/tests/test-indicator.cc b/tests/test-indicator.cc
new file mode 100644
index 0000000..67a2780
--- /dev/null
+++ b/tests/test-indicator.cc
@@ -0,0 +1,93 @@
+/*
+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>
+
+/***
+****
+***/
+
+namespace
+{
+  void ensure_glib_initialized ()
+  {
+    static bool initialized = false;
+
+    if (G_UNLIKELY(!initialized))
+    {
+      initialized = true;
+      g_type_init();
+      g_setenv ("GSETTINGS_SCHEMA_DIR", SCHEMA_DIR, TRUE);
+    }
+  }
+}
+
+/***
+****
+***/
+
+class IndicatorTest : public ::testing::Test
+{
+  private:
+
+    guint log_handler_id;
+
+    int log_count_ipower_actual;
+
+    static void log_count_func (const gchar *log_domain,
+                                GLogLevelFlags log_level,
+                                const gchar *message,
+                                gpointer user_data)
+    {
+      reinterpret_cast<IndicatorTest*>(user_data)->log_count_ipower_actual++;
+    }
+
+  protected:
+
+    int log_count_ipower_expected;
+
+  protected:
+
+    virtual void SetUp()
+    {
+      const GLogLevelFlags flags = GLogLevelFlags(G_LOG_LEVEL_CRITICAL|G_LOG_LEVEL_WARNING);
+      log_handler_id = g_log_set_handler ("Indicator-Power", flags, log_count_func, this);
+      log_count_ipower_expected = 0;
+      log_count_ipower_actual = 0;
+
+      ensure_glib_initialized ();
+    }
+
+    virtual void TearDown()
+    {
+      ASSERT_EQ (log_count_ipower_expected, log_count_ipower_actual);
+      g_log_remove_handler ("Indicator-Power", log_handler_id);
+    }
+};
+
+/***
+****
+***/
+
+TEST_F(IndicatorTest, HelloWorld)
+{
+  ASSERT_TRUE (TRUE);
+}