firmware: add logging to factory failures

Add logging to factory failures.  This is now possible
with injection available for phosphor-logging.

Change-Id: I77ac959d58e44305d7acf918b656bdd21a9c4da8
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/firmware_handler.cpp b/firmware_handler.cpp
index 03cf1c2..f2740c7 100644
--- a/firmware_handler.cpp
+++ b/firmware_handler.cpp
@@ -22,9 +22,12 @@
 #include <cstdint>
 #include <cstring>
 #include <memory>
+#include <phosphor-logging/log.hpp>
 #include <string>
 #include <vector>
 
+using namespace phosphor::logging;
+
 namespace blobs
 {
 // systemd service to kick start a target.
@@ -47,6 +50,7 @@
     /* There must be at least one. */
     if (!firmwares.size())
     {
+        log<level::ERR>("Must provide at least one firmware handler.");
         return nullptr;
     }
     if (!transports.size())
diff --git a/test/Makefile.am b/test/Makefile.am
index 731a030..8e7dada 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -3,15 +3,18 @@
 	$(GMOCK_CFLAGS)
 AM_CXXFLAGS = \
 	$(GTEST_MAIN_CFLAGS) \
-	$(SDBUSPLUS_CFLAGS)
+	$(SDBUSPLUS_CFLAGS) \
+	$(PHOSPHOR_LOGGING_CFLAGS)
 AM_LDFLAGS = \
 	$(GMOCK_LIBS) \
 	$(GTEST_MAIN_LIBS) \
 	$(OESDK_TESTCASE_FLAGS) \
-	$(SDBUSPLUS_LIBS)
+	$(SDBUSPLUS_LIBS) \
+	$(PHOSPHOR_LOGGING_LIBS)
 
 # Run all 'check' test programs
 check_PROGRAMS = \
+	firmware_createhandler_unittest \
 	firmware_handler_unittest \
 	firmware_stat_unittest \
 	firmware_canhandle_unittest \
@@ -26,6 +29,9 @@
 
 TESTS = $(check_PROGRAMS)
 
+firmware_createhandler_unittest_SOURCES = firmware_createhandler_unittest.cpp
+firmware_createhandler_unittest_LDADD = $(top_builddir)/firmware_handler.o
+
 firmware_handler_unittest_SOURCES = firmware_handler_unittest.cpp
 firmware_handler_unittest_LDADD = $(top_builddir)/firmware_handler.o
 
diff --git a/test/firmware_createhandler_unittest.cpp b/test/firmware_createhandler_unittest.cpp
new file mode 100644
index 0000000..78bde97
--- /dev/null
+++ b/test/firmware_createhandler_unittest.cpp
@@ -0,0 +1,44 @@
+#include "data_mock.hpp"
+#include "firmware_handler.hpp"
+
+#include <phosphor-logging/test/sdjournal_mock.hpp>
+#include <sdbusplus/test/sdbus_mock.hpp>
+
+#include <gtest/gtest.h>
+
+using namespace phosphor::logging;
+
+namespace blobs
+{
+using ::testing::Return;
+using ::testing::StrEq;
+using ::testing::StrictMock;
+
+TEST(FirmwareHandlerBlobTest, VerifyFirmareCounts)
+{
+    /* Verify the firmware count must be greater than zero. */
+
+    DataHandlerMock dataMock;
+    StrictMock<SdJournalMock> journalMock;
+    SwapJouralHandler(&journalMock);
+
+    std::vector<HandlerPack> blobs;
+
+    std::vector<DataHandlerPack> data = {
+        {FirmwareBlobHandler::UpdateFlags::ipmi, nullptr},
+        {FirmwareBlobHandler::UpdateFlags::lpc, &dataMock},
+    };
+
+    sdbusplus::SdBusMock sdbus_mock;
+    auto bus_mock = sdbusplus::get_mocked_new(&sdbus_mock);
+
+    EXPECT_CALL(journalMock, journal_send_call(StrEq("PRIORITY=%d")))
+        .WillOnce(Return(0));
+
+    auto handler = FirmwareBlobHandler::CreateFirmwareBlobHandler(
+        std::move(bus_mock), blobs, data);
+
+    EXPECT_EQ(handler, nullptr);
+}
+
+} // namespace blobs