initial drop of phosphor-ipmi-blobs

This implements a majority of the OEM IPMI BLOBS protocol.  The only
piece missing from this is the timed expiration of sessions.

Change-Id: I82c9d17b625c94fc3340edcfabbbf1ffeb5ad7ac
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/test/ipmi_delete_unittest.cpp b/test/ipmi_delete_unittest.cpp
new file mode 100644
index 0000000..25fb06b
--- /dev/null
+++ b/test/ipmi_delete_unittest.cpp
@@ -0,0 +1,89 @@
+#include "ipmi.hpp"
+#include "manager_mock.hpp"
+
+#include <cstring>
+#include <string>
+
+#include <gtest/gtest.h>
+
+namespace blobs
+{
+
+using ::testing::_;
+using ::testing::Return;
+using ::testing::StrEq;
+
+// ipmid.hpp isn't installed where we can grab it and this value is per BMC
+// SoC.
+#define MAX_IPMI_BUFFER 64
+
+TEST(BlobDeleteTest, InvalidRequestLengthReturnsFailure)
+{
+    // There is a minimum blobId length of one character, this test verifies
+    // we check that.
+
+    ManagerMock mgr;
+    size_t dataLen;
+    uint8_t request[MAX_IPMI_BUFFER] = {0};
+    uint8_t reply[MAX_IPMI_BUFFER] = {0};
+    auto req = reinterpret_cast<struct BmcBlobDeleteTx*>(request);
+    std::string blobId = "abc";
+
+    req->cmd = BlobOEMCommands::bmcBlobDelete;
+    req->crc = 0;
+    // length() doesn't include the nul-terminator.
+    std::memcpy(req->blobId, blobId.c_str(), blobId.length());
+
+    dataLen = sizeof(struct BmcBlobDeleteTx) + blobId.length();
+
+    EXPECT_EQ(IPMI_CC_INVALID, deleteBlob(&mgr, request, reply, &dataLen));
+}
+
+TEST(BlobDeleteTest, RequestRejectedReturnsFailure)
+{
+    // The blobId is rejected for any reason.
+
+    ManagerMock mgr;
+    size_t dataLen;
+    uint8_t request[MAX_IPMI_BUFFER] = {0};
+    uint8_t reply[MAX_IPMI_BUFFER] = {0};
+    auto req = reinterpret_cast<struct BmcBlobDeleteTx*>(request);
+    std::string blobId = "a";
+
+    req->cmd = BlobOEMCommands::bmcBlobDelete;
+    req->crc = 0;
+    // length() doesn't include the nul-terminator, request buff is initialized
+    // to 0s
+    std::memcpy(req->blobId, blobId.c_str(), blobId.length());
+
+    dataLen = sizeof(struct BmcBlobDeleteTx) + blobId.length() + 1;
+
+    EXPECT_CALL(mgr, deleteBlob(StrEq(blobId))).WillOnce(Return(false));
+
+    EXPECT_EQ(IPMI_CC_INVALID, deleteBlob(&mgr, request, reply, &dataLen));
+}
+
+TEST(BlobDeleteTest, BlobDeleteReturnsOk)
+{
+    // The boring case where the blobId is deleted.
+
+    ManagerMock mgr;
+    size_t dataLen;
+    uint8_t request[MAX_IPMI_BUFFER] = {0};
+    uint8_t reply[MAX_IPMI_BUFFER] = {0};
+    auto req = reinterpret_cast<struct BmcBlobDeleteTx*>(request);
+    std::string blobId = "a";
+
+    req->cmd = BlobOEMCommands::bmcBlobDelete;
+    req->crc = 0;
+    // length() doesn't include the nul-terminator, request buff is initialized
+    // to 0s
+    std::memcpy(req->blobId, blobId.c_str(), blobId.length());
+
+    dataLen = sizeof(struct BmcBlobDeleteTx) + blobId.length() + 1;
+
+    EXPECT_CALL(mgr, deleteBlob(StrEq(blobId))).WillOnce(Return(true));
+
+    EXPECT_EQ(IPMI_CC_OK, deleteBlob(&mgr, request, reply, &dataLen));
+}
+} // namespace blobs