diff --git a/repertory/repertory_test/src/file_db_test.cpp b/repertory/repertory_test/src/file_db_test.cpp
index 54fb60c9..a7026b1f 100644
--- a/repertory/repertory_test/src/file_db_test.cpp
+++ b/repertory/repertory_test/src/file_db_test.cpp
@@ -83,7 +83,8 @@ TYPED_TEST(file_db_test, can_get_api_path_for_file) {
   EXPECT_STREQ("/file", api_path.c_str());
 }
 
-TYPED_TEST(file_db_test, item_not_found_is_returned_for_non_existing_api_path) {
+TYPED_TEST(file_db_test,
+           item_not_found_is_returned_for_non_existing_source_path) {
   this->file_db->clear();
 
   std::string api_path;
@@ -213,5 +214,119 @@ TYPED_TEST(file_db_test,
   EXPECT_EQ(api_error::item_not_found,
             this->file_db->get_file_data("/file", data));
 }
-// test can update file source, iv, size
+
+TYPED_TEST(file_db_test, can_update_existing_file_iv) {
+  this->file_db->clear();
+
+  EXPECT_EQ(api_error::success, this->file_db->add_or_update_file({
+                                    "/file",
+                                    1U,
+                                    {{}, {}},
+                                    "c:\\test\\file.txt",
+                                }));
+
+  EXPECT_EQ(api_error::success, this->file_db->add_or_update_file({
+                                    "/file",
+                                    1U,
+                                    {{}, {}, {}},
+                                    "c:\\test\\file.txt",
+                                }));
+
+  i_file_db::file_data data{};
+  EXPECT_EQ(api_error::success, this->file_db->get_file_data("/file", data));
+  EXPECT_STREQ("/file", data.api_path.c_str());
+  EXPECT_EQ(1U, data.file_size);
+  EXPECT_EQ(3U, data.iv_list.size());
+  EXPECT_STREQ("c:\\test\\file.txt", data.source_path.c_str());
+
+  EXPECT_EQ(1U, this->file_db->count());
+}
+
+TYPED_TEST(file_db_test, can_update_existing_file_size) {
+  this->file_db->clear();
+
+  EXPECT_EQ(api_error::success, this->file_db->add_or_update_file({
+                                    "/file",
+                                    1U,
+                                    {{}, {}},
+                                    "c:\\test\\file.txt",
+                                }));
+
+  EXPECT_EQ(api_error::success, this->file_db->add_or_update_file({
+                                    "/file",
+                                    2U,
+                                    {{}, {}},
+                                    "c:\\test\\file.txt",
+                                }));
+
+  i_file_db::file_data data{};
+  EXPECT_EQ(api_error::success, this->file_db->get_file_data("/file", data));
+  EXPECT_STREQ("/file", data.api_path.c_str());
+  EXPECT_EQ(2U, data.file_size);
+  EXPECT_EQ(2U, data.iv_list.size());
+  EXPECT_STREQ("c:\\test\\file.txt", data.source_path.c_str());
+
+  EXPECT_EQ(1U, this->file_db->count());
+}
+
+TYPED_TEST(file_db_test, can_update_existing_file_source_path) {
+  this->file_db->clear();
+
+  EXPECT_EQ(api_error::success, this->file_db->add_or_update_file({
+                                    "/file",
+                                    1U,
+                                    {{}, {}},
+                                    "c:\\test\\file.txt",
+                                }));
+
+  EXPECT_EQ(api_error::success, this->file_db->add_or_update_file({
+                                    "/file",
+                                    1U,
+                                    {{}, {}},
+                                    "c:\\test\\file2.txt",
+                                }));
+
+  i_file_db::file_data data{};
+  EXPECT_EQ(api_error::success, this->file_db->get_file_data("/file", data));
+  EXPECT_STREQ("/file", data.api_path.c_str());
+  EXPECT_EQ(1U, data.file_size);
+  EXPECT_EQ(2U, data.iv_list.size());
+  EXPECT_STREQ("c:\\test\\file2.txt", data.source_path.c_str());
+
+  EXPECT_EQ(1U, this->file_db->count());
+}
+
+TYPED_TEST(file_db_test, can_get_source_path_for_directory) {
+  this->file_db->clear();
+
+  EXPECT_EQ(api_error::success, this->file_db->add_directory("/", "c:\\test"));
+  std::string source_path;
+  EXPECT_EQ(api_error::success,
+            this->file_db->get_source_path("/", source_path));
+  EXPECT_STREQ("c:\\test", source_path.c_str());
+}
+
+TYPED_TEST(file_db_test, can_get_source_path_for_file) {
+  this->file_db->clear();
+
+  EXPECT_EQ(api_error::success, this->file_db->add_or_update_file({
+                                    "/file",
+                                    0U,
+                                    {},
+                                    "c:\\test\\file.txt",
+                                }));
+  std::string source_path;
+  EXPECT_EQ(api_error::success,
+            this->file_db->get_source_path("/file", source_path));
+  EXPECT_STREQ("c:\\test\\file.txt", source_path.c_str());
+}
+
+TYPED_TEST(file_db_test, item_not_found_is_returned_for_non_existing_api_path) {
+  this->file_db->clear();
+
+  std::string source_path;
+  EXPECT_EQ(api_error::item_not_found,
+            this->file_db->get_source_path("/file", source_path));
+  EXPECT_TRUE(source_path.empty());
+}
 } // namespace repertory