1 files changed, 172 insertions, 0 deletions
diff --git a/test/manager_unittest.cpp b/test/manager_unittest.cpp
new file mode 100644
index 0000000..7d4d49e
--- /dev/null
+++ b/test/manager_unittest.cpp
@@ -0,0 +1,172 @@
+#include "blob_mock.hpp"
+#include "manager.hpp"
+
+#include <algorithm>
+#include <string>
+#include <vector>
+
+#include <gtest/gtest.h>
+
+namespace blobs
+{
+
+using ::testing::Return;
+
+TEST(BlobsTest, RegisterNullPointerFails)
+{
+    // The only invalid pointer really is a null one.
+
+    BlobManager mgr;
+    EXPECT_FALSE(mgr.registerHandler(nullptr));
+}
+
+TEST(BlobsTest, RegisterNonNullPointerPasses)
+{
+    // Test that the valid pointer is boringly registered.
+
+    BlobManager mgr;
+    std::unique_ptr<BlobMock> m1 = std::make_unique<BlobMock>();
+    EXPECT_TRUE(mgr.registerHandler(std::move(m1)));
+}
+
+TEST(BlobsTest, GetCountNoBlobsRegistered)
+{
+    // Request the Blob Count when there are no blobs.
+
+    BlobManager mgr;
+    EXPECT_EQ(0, mgr.buildBlobList());
+}
+
+TEST(BlobsTest, GetCountBlobRegisteredReturnsOne)
+{
+    // Request the blob count and verify the list is of length one.
+
+    BlobManager mgr;
+    std::unique_ptr<BlobMock> m1 = std::make_unique<BlobMock>();
+    auto m1ptr = m1.get();
+    std::vector<std::string> v = {"item"};
+
+    EXPECT_TRUE(mgr.registerHandler(std::move(m1)));
+
+    // We expect it to ask for the list.
+    EXPECT_CALL(*m1ptr, getBlobIds()).WillOnce(Return(v));
+
+    EXPECT_EQ(1, mgr.buildBlobList());
+}
+
+TEST(BlobsTest, GetCountBlobsRegisteredEachReturnsOne)
+{
+    // Request the blob count and verify the list is of length two.
+
+    BlobManager mgr;
+    std::unique_ptr<BlobMock> m1 = std::make_unique<BlobMock>();
+    std::unique_ptr<BlobMock> m2 = std::make_unique<BlobMock>();
+    auto m1ptr = m1.get();
+    auto m2ptr = m2.get();
+    std::vector<std::string> v1, v2;
+
+    v1.push_back("asdf");
+    v2.push_back("ghjk");
+
+    EXPECT_TRUE(mgr.registerHandler(std::move(m1)));
+    EXPECT_TRUE(mgr.registerHandler(std::move(m2)));
+
+    // We expect it to ask for the list.
+    EXPECT_CALL(*m1ptr, getBlobIds()).WillOnce(Return(v1));
+    EXPECT_CALL(*m2ptr, getBlobIds()).WillOnce(Return(v2));
+
+    EXPECT_EQ(2, mgr.buildBlobList());
+}
+
+TEST(BlobsTest, EnumerateBlobZerothEntry)
+{
+    // Validate that you can read back the 0th blobId.
+
+    BlobManager mgr;
+    std::unique_ptr<BlobMock> m1 = std::make_unique<BlobMock>();
+    std::unique_ptr<BlobMock> m2 = std::make_unique<BlobMock>();
+    auto m1ptr = m1.get();
+    auto m2ptr = m2.get();
+    std::vector<std::string> v1, v2;
+
+    v1.push_back("asdf");
+    v2.push_back("ghjk");
+
+    EXPECT_TRUE(mgr.registerHandler(std::move(m1)));
+    EXPECT_TRUE(mgr.registerHandler(std::move(m2)));
+
+    // We expect it to ask for the list.
+    EXPECT_CALL(*m1ptr, getBlobIds()).WillOnce(Return(v1));
+    EXPECT_CALL(*m2ptr, getBlobIds()).WillOnce(Return(v2));
+
+    EXPECT_EQ(2, mgr.buildBlobList());
+
+    std::string result = mgr.getBlobId(0);
+    // The exact order the blobIds is returned is not guaranteed to never
+    // change.
+    EXPECT_TRUE("asdf" == result || "ghjk" == result);
+}
+
+TEST(BlobsTest, EnumerateBlobFirstEntry)
+{
+    // Validate you can read back the two real entries.
+
+    BlobManager mgr;
+    std::unique_ptr<BlobMock> m1 = std::make_unique<BlobMock>();
+    std::unique_ptr<BlobMock> m2 = std::make_unique<BlobMock>();
+    auto m1ptr = m1.get();
+    auto m2ptr = m2.get();
+    std::vector<std::string> v1, v2;
+
+    v1.push_back("asdf");
+    v2.push_back("ghjk");
+
+    // Presently the list of blobs is read and appended in a specific order,
+    // but I don't want to rely on that.
+    EXPECT_TRUE(mgr.registerHandler(std::move(m1)));
+    EXPECT_TRUE(mgr.registerHandler(std::move(m2)));
+
+    // We expect it to ask for the list.
+    EXPECT_CALL(*m1ptr, getBlobIds()).WillOnce(Return(v1));
+    EXPECT_CALL(*m2ptr, getBlobIds()).WillOnce(Return(v2));
+
+    EXPECT_EQ(2, mgr.buildBlobList());
+
+    // Try to grab the two blobIds and verify they're in the list.
+    std::vector<std::string> results;
+    results.push_back(mgr.getBlobId(0));
+    results.push_back(mgr.getBlobId(1));
+    EXPECT_EQ(2, results.size());
+    EXPECT_TRUE(std::find(results.begin(), results.end(), "asdf") !=
+                results.end());
+    EXPECT_TRUE(std::find(results.begin(), results.end(), "ghjk") !=
+                results.end());
+}
+
+TEST(BlobTest, EnumerateBlobInvalidEntry)
+{
+    // Validate trying to read an invalid entry fails expectedly.
+
+    BlobManager mgr;
+    std::unique_ptr<BlobMock> m1 = std::make_unique<BlobMock>();
+    std::unique_ptr<BlobMock> m2 = std::make_unique<BlobMock>();
+    auto m1ptr = m1.get();
+    auto m2ptr = m2.get();
+    std::vector<std::string> v1, v2;
+
+    v1.push_back("asdf");
+    v2.push_back("ghjk");
+
+    EXPECT_TRUE(mgr.registerHandler(std::move(m1)));
+    EXPECT_TRUE(mgr.registerHandler(std::move(m2)));
+
+    // We expect it to ask for the list.
+    EXPECT_CALL(*m1ptr, getBlobIds()).WillOnce(Return(v1));
+    EXPECT_CALL(*m2ptr, getBlobIds()).WillOnce(Return(v2));
+
+    EXPECT_EQ(2, mgr.buildBlobList());
+
+    // Grabs the third entry which isn't valid.
+    EXPECT_STREQ("", mgr.getBlobId(2).c_str());
+}
+} // namespace blobs