diff --git a/src/smbios-ipmi-blobs/test/handler_open_unittest.cpp b/src/smbios-ipmi-blobs/test/handler_open_unittest.cpp
new file mode 100644
index 0000000..22223cc
--- /dev/null
+++ b/src/smbios-ipmi-blobs/test/handler_open_unittest.cpp
@@ -0,0 +1,32 @@
+#include "handler_unittest.hpp"
+
+#include <blobs-ipmid/blobs.hpp>
+
+#include <cstdint>
+
+namespace blobs
+{
+
+class SmbiosBlobHandlerOpenTest : public SmbiosBlobHandlerTest
+{};
+
+TEST_F(SmbiosBlobHandlerOpenTest, OpenWithBadFlagsFails)
+{
+    // SMBIOS blob handler disables read flag
+
+    EXPECT_FALSE(handler.open(session, blobs::OpenFlags::read, expectedBlobId));
+}
+
+TEST_F(SmbiosBlobHandlerOpenTest, OpenEverythingSucceeds)
+{
+    EXPECT_TRUE(handler.open(session, blobs::OpenFlags::write, expectedBlobId));
+}
+
+TEST_F(SmbiosBlobHandlerOpenTest, CannotOpenSameSessionTwice)
+{
+    EXPECT_TRUE(handler.open(session, blobs::OpenFlags::write, expectedBlobId));
+    EXPECT_FALSE(
+        handler.open(session, blobs::OpenFlags::write, expectedBlobId));
+}
+
+} // namespace blobs