add tests

1 files changed, 58 insertions, 0 deletions

diff --git a/kernel/kapi/filesystem.tests.cpp b/kernel/kapi/filesystem.tests.cpp
index b339f19f..595d73e8 100644
--- a/kernel/kapi/filesystem.tests.cpp
+++ b/kernel/kapi/filesystem.tests.cpp
@@ -211,5 +211,63 @@ SCENARIO_METHOD(kernel::tests::filesystem::storage_boot_module_vfs_fixture, "Kap
       auto bytes_written = kapi::filesystem::write(invalid_fd, buffer.data(), buffer.size());
       REQUIRE(!bytes_written);
     }
+
+    THEN("a new file can be created, written to, read from, and closed again")
+    {
+      auto new_file_path = "/information/new_information.txt";
+
+      REQUIRE(kapi::filesystem::open(new_file_path) < 0);
+
+      REQUIRE(kapi::filesystem::create(new_file_path) == 0);
+
+      auto fd = kapi::filesystem::open(new_file_path);
+      REQUIRE(fd >= 0);
+
+      auto write_buffer = std::vector<std::byte>{std::byte{'T'}, std::byte{'e'}, std::byte{'s'}, std::byte{'t'}};
+      kapi::filesystem::write(fd, write_buffer.data(), write_buffer.size());
+
+      REQUIRE(kapi::filesystem::close(fd) == 0);
+
+      fd = kapi::filesystem::open(new_file_path);
+      REQUIRE(fd >= 0);
+
+      auto read_buffer = std::vector<std::byte>(4);
+      auto bytes_read = kapi::filesystem::read(fd, read_buffer.data(), read_buffer.size());
+
+      std::string_view buffer_as_str{reinterpret_cast<char *>(read_buffer.data()), static_cast<size_t>(bytes_read)};
+      REQUIRE(buffer_as_str == "Test");
+
+      REQUIRE(kapi::filesystem::close(fd) == 0);
+    }
+
+    THEN("a new directory can be created and a file within can be created, opened, and closed again")
+    {
+      auto new_directory_path = "/information/new_directory";
+      auto new_file_path = "/information/new_directory/new_information.txt";
+
+      REQUIRE(kapi::filesystem::open(new_file_path) < 0);
+
+      REQUIRE(kapi::filesystem::mkdir(new_directory_path) == 0);
+      REQUIRE(kapi::filesystem::create(new_file_path) == 0);
+
+      auto fd = kapi::filesystem::open(new_file_path);
+      REQUIRE(fd >= 0);
+      REQUIRE(kapi::filesystem::close(fd) == 0);
+    }
+
+    THEN("a file can be created in a mounted filesystem, opened, and closed again")
+    {
+      kapi::filesystem::mount("/dev/ram16", "/information");
+
+      auto new_file_path = "/information/monkey_house/monkey_4.txt";
+      REQUIRE(kapi::filesystem::open(new_file_path) < 0);
+      REQUIRE(kapi::filesystem::create(new_file_path) == 0);
+
+      auto fd = kapi::filesystem::open(new_file_path);
+      REQUIRE(fd >= 0);
+      REQUIRE(kapi::filesystem::close(fd) == 0);
+
+      REQUIRE(kapi::filesystem::umount("/information") == 0);
+    }
   }
 }