3 files changed, 75 insertions, 10 deletions
diff --git a/src/drivers/test/CMakeLists.txt b/src/drivers/test/CMakeLists.txt
index f6690c4d..83904339 100644
--- a/src/drivers/test/CMakeLists.txt
+++ b/src/drivers/test/CMakeLists.txt
@@ -1 +1 @@
-idf_component_register(SRC_DIRS "." INCLUDE_DIRS "." REQUIRES catch2 cmock drivers)
+idf_component_register(SRCS "test_storage.cpp" INCLUDE_DIRS "." REQUIRES catch2 cmock drivers)
diff --git a/src/drivers/test/test_example.cpp b/src/drivers/test/test_example.cpp
deleted file mode 100644
index ef90cf8f..00000000
--- a/src/drivers/test/test_example.cpp
+++ /dev/null
@@ -1,9 +0,0 @@
-#include "catch2/catch.hpp"
-
-TEST_CASE("Example test case", "[cooltag]") {
-    REQUIRE ( 1 == 1 );
-}
-
-TEST_CASE("test that doesn't run", "[cooltag][!mayfail]") {
-    REQUIRE ( 0 == 1 );
-}
diff --git a/src/drivers/test/test_storage.cpp b/src/drivers/test/test_storage.cpp
new file mode 100644
index 00000000..178ec815
--- /dev/null
+++ b/src/drivers/test/test_storage.cpp
@@ -0,0 +1,74 @@
+#include <dirent.h>
+#include <cstdio>
+#include <fstream>
+#include <iostream>
+
+#include "gpio-expander.hpp"
+#include "storage.hpp"
+#include "i2c.hpp"
+#include "spi.hpp"
+
+#include "catch2/catch.hpp"
+
+namespace drivers {
+
+static const std::string kTestFilename = "test";
+static const std::string kTestFilePath =
+    std::string(kStoragePath) + "/" + kTestFilename;
+
+TEST_CASE("sd card storage", "[integration]") {
+  REQUIRE( drivers::init_i2c() == ESP_OK );
+  REQUIRE( drivers::init_spi() == ESP_OK );
+  GpioExpander expander;
+
+  {
+    std::unique_ptr<SdStorage> result = SdStorage::create(&expander).value();
+
+    SECTION("write to a file") {
+
+      {
+	std::ofstream test_file;
+	test_file.open(kTestFilePath.c_str());
+	test_file << "hello here is some test";
+	test_file.close();
+      }
+
+      SECTION("read from a file") {
+	std::ifstream test_file;
+	test_file.open(kTestFilePath.c_str());
+
+	std::string line;
+	REQUIRE(std::getline(test_file, line));
+	REQUIRE(line == "hello here is some test");
+
+	test_file.close();
+      }
+
+      SECTION("list files") {
+	DIR* dir;
+	struct dirent* ent;
+
+	dir = opendir(kStoragePath);
+	REQUIRE(dir != nullptr);
+
+	bool found_test_file = false;
+	while (ent = readdir(dir)) {
+	  if (ent->d_name == kTestFilename) {
+	    found_test_file = true;
+	  }
+	}
+	closedir(dir);
+
+	REQUIRE(found_test_file);
+
+      }
+
+      REQUIRE(remove(kTestFilePath.c_str()) == 0);
+    }
+  }
+
+  REQUIRE( drivers::deinit_i2c() == ESP_OK );
+  REQUIRE( drivers::deinit_spi() == ESP_OK );
+}
+
+}  // namespace drivers