1 files changed, 78 insertions, 0 deletions
diff --git a/test/manager_read_unittest.cpp b/test/manager_read_unittest.cpp
new file mode 100644
index 0000000..1d40f5d
--- /dev/null
+++ b/test/manager_read_unittest.cpp
@@ -0,0 +1,78 @@
+#include "blob_mock.hpp"
+#include "manager.hpp"
+
+#include <vector>
+
+#include <gtest/gtest.h>
+
+namespace blobs
+{
+
+using ::testing::_;
+using ::testing::Return;
+
+TEST(ManagerReadTest, ReadNoSessionReturnsFalse)
+{
+    // Calling Read on a session that doesn't exist should return false.
+
+    BlobManager mgr;
+    uint16_t sess = 1;
+    uint32_t ofs = 0x54;
+    uint32_t requested = 0x100;
+
+    std::vector<uint8_t> result = mgr.read(sess, ofs, requested);
+    EXPECT_EQ(0, result.size());
+}
+
+TEST(ManagerReadTest, ReadFromWriteOnlyFails)
+{
+    // The session manager will not route a Read call to a blob if the session
+    // was opened as write-only.
+
+    BlobManager mgr;
+    std::unique_ptr<BlobMock> m1 = std::make_unique<BlobMock>();
+    auto m1ptr = m1.get();
+    EXPECT_TRUE(mgr.registerHandler(std::move(m1)));
+
+    uint16_t sess = 1;
+    uint32_t ofs = 0x54;
+    uint32_t requested = 0x100;
+    uint16_t flags = OpenFlags::write;
+    std::string path = "/asdf/asdf";
+
+    EXPECT_CALL(*m1ptr, canHandleBlob(path)).WillOnce(Return(true));
+    EXPECT_CALL(*m1ptr, open(_, flags, path)).WillOnce(Return(true));
+    EXPECT_TRUE(mgr.open(flags, path, &sess));
+
+    std::vector<uint8_t> result = mgr.read(sess, ofs, requested);
+    EXPECT_EQ(0, result.size());
+}
+
+TEST(ManagerReadTest, ReadFromHandlerReturnsData)
+{
+    // There is no logic in this as it's just as a pass-thru command, however
+    // we want to verify this behavior doesn't change.
+
+    BlobManager mgr;
+    std::unique_ptr<BlobMock> m1 = std::make_unique<BlobMock>();
+    auto m1ptr = m1.get();
+    EXPECT_TRUE(mgr.registerHandler(std::move(m1)));
+
+    uint16_t sess = 1;
+    uint32_t ofs = 0x54;
+    uint32_t requested = 0x100;
+    uint16_t flags = OpenFlags::read;
+    std::string path = "/asdf/asdf";
+    std::vector<uint8_t> data = {0x12, 0x14, 0x15, 0x16};
+
+    EXPECT_CALL(*m1ptr, canHandleBlob(path)).WillOnce(Return(true));
+    EXPECT_CALL(*m1ptr, open(_, flags, path)).WillOnce(Return(true));
+    EXPECT_TRUE(mgr.open(flags, path, &sess));
+
+    EXPECT_CALL(*m1ptr, read(sess, ofs, requested)).WillOnce(Return(data));
+
+    std::vector<uint8_t> result = mgr.read(sess, ofs, requested);
+    EXPECT_EQ(data.size(), result.size());
+    EXPECT_EQ(result, data);
+}
+} // namespace blobs