Preapre unittests skeleton

unittest/Makefile.am

@@ -1,3 +1 @@
 SUBDIRS = meta lib vslib syncd
-
-ACLOCAL_AMFLAGS=-I m4

unittest/meta/TestAttrKeyMap.cpp

@@ -1,4 +1,4 @@
-#include "AttrKeyMap.cpp"
+#include "AttrKeyMap.h"
 
 #include <gtest/gtest.h>
 

unittest/syncd/Makefile.am

@@ -2,10 +2,10 @@ AM_CXXFLAGS = $(SAIINC) -I$(top_srcdir)/syncd -I$(top_srcdir)/lib -I$(top_srcdir
 
 bin_PROGRAMS = tests
 
+LDADD_GTEST = -L/usr/src/gtest -lgtest -lgtest_main
+
 tests_SOURCES = main.cpp \
 				TestCommandLineOptions.cpp
 
 tests_CXXFLAGS = $(DBGFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS_COMMON)
-tests_LDADD = $(top_srcdir)/syncd/libSyncd.a -lswsscommon -lpthread -L$(top_srcdir)/lib/.libs -lsairedis -L$(top_srcdir)/meta/.libs -lsaimetadata -lsaimeta -lzmq $(CODE_COVERAGE_LIBS)
-
-TESTS = tests
+tests_LDADD = $(LDADD_GTEST) $(top_srcdir)/syncd/libSyncd.a -lswsscommon -lpthread -L$(top_srcdir)/lib/.libs -lsairedis -L$(top_srcdir)/meta/.libs -lsaimetadata -lsaimeta -lzmq $(CODE_COVERAGE_LIBS)

unittest/syncd/TestCommandLineOptions.cpp

@@ -1,10 +1,23 @@
 #include "CommandLineOptions.h"
 
-void testCtr()
+#include <gtest/gtest.h>
+
+using namespace syncd;
+
+TEST(CommandLineOptions, getCommandLineString)
 {
     syncd::CommandLineOptions opt;
 
-    opt.getCommandLineString();
+    auto str = opt.getCommandLineString();
+
+    EXPECT_EQ(str, " EnableDiagShell=NO EnableTempView=NO DisableExitSleep=NO EnableUnittests=NO"
+            " EnableConsistencyCheck=NO EnableSyncMode=NO RedisCommunicationMode=redis_async"
+            " EnableSaiBulkSuport=NO StartType=cold ProfileMapFile= GlobalContext=0 ContextConfig= BreakConfig=");
+}
+
+TEST(CommandLineOptions, startTypeStringToStartType)
+{
+    auto st = syncd::CommandLineOptions::startTypeStringToStartType("foo");
 
-    syncd::CommandLineOptions::startTypeStringToStartType("foo");
+    EXPECT_EQ(st, SAI_START_TYPE_UNKNOWN);
 }

unittest/syncd/main.cpp

@@ -1,11 +1,14 @@
+#include <gtest/gtest.h>
 
-// TODO to gtest?
+#include <iostream>
 
-void testCtr();
-
-int main()
+int main(int argc, char* argv[])
 {
-    testCtr();
+    testing::InitGoogleTest(&argc, argv);
+
+    const auto env = new ::testing::Environment();
+
+    testing::AddGlobalTestEnvironment(env);
 
-    return 0;
+    return RUN_ALL_TESTS();
 }