Add support for log-handler

This handler is based off of version handler with major differences in
handler_builder

Tested:
created the blackbox blob successfully using this lib.
Read the data from the blob using a host side tool

Signed-off-by: Gaurav Gandhi <gauravgandhi@google.com>
Change-Id: I9ef775af752156a1647453ff3831ef4c0449d546
diff --git a/bmc/log-handler/test/log_createhandler_unittest.cpp b/bmc/log-handler/test/log_createhandler_unittest.cpp
new file mode 100644
index 0000000..99d5d3e
--- /dev/null
+++ b/bmc/log-handler/test/log_createhandler_unittest.cpp
@@ -0,0 +1,44 @@
+// Copyright 2021 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "log_handler.hpp"
+#include "log_mock.hpp"
+
+#include <array>
+#include <utility>
+
+#include <gtest/gtest.h>
+
+namespace ipmi_flash
+{
+
+TEST(LogHandlerCanHandleTest, VerifyGoodInfoMapPasses)
+{
+    constexpr std::array blobs{"blob0", "blob1"};
+    LogBlobHandler handler(createMockLogConfigs(blobs));
+    EXPECT_THAT(handler.getBlobIds(),
+                testing::UnorderedElementsAreArray(blobs));
+}
+
+TEST(LogHandlerCanHandleTest, VerifyDuplicatesIgnored)
+{
+    constexpr std::array blobs{"blob0"};
+    auto configs = createMockLogConfigs(blobs);
+    configs.push_back(createMockLogConfig(blobs[0]));
+    LogBlobHandler handler(std::move(configs));
+    EXPECT_THAT(handler.getBlobIds(),
+                testing::UnorderedElementsAreArray(blobs));
+}
+
+} // namespace ipmi_flash