5 files changed, 21 insertions, 52 deletions
diff --git a/src/drivers/test/CMakeLists.txt b/src/drivers/test/CMakeLists.txt
index 90e7b3a1..ff1dab0b 100644
--- a/src/drivers/test/CMakeLists.txt
+++ b/src/drivers/test/CMakeLists.txt
@@ -3,5 +3,5 @@
 # SPDX-License-Identifier: GPL-3.0-only
 
 idf_component_register(
-  SRCS "test_storage.cpp" "test_gpio_expander.cpp" "test_battery.cpp" "test_dac.cpp"
+  SRCS "test_adc.cpp" "test_storage.cpp" "test_dac.cpp"
   INCLUDE_DIRS "." REQUIRES catch2 cmock drivers fixtures)
diff --git a/src/drivers/test/test_battery.cpp b/src/drivers/test/test_adc.cpp
index 690eb2b7..df103af3 100644
--- a/src/drivers/test/test_battery.cpp
+++ b/src/drivers/test/test_adc.cpp
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: GPL-3.0-only
  */
 
-#include "battery.hpp"
+#include "drivers/adc.hpp"
 
 #include <cstdint>
 
@@ -13,12 +13,12 @@
 namespace drivers {
 
 TEST_CASE("battery measurement", "[integration]") {
-  Battery battery;
+  AdcBattery battery;
 
   SECTION("voltage is within range") {
     uint32_t mv = battery.Millivolts();
-    REQUIRE(mv <= 2200);  // Plugged in, no battery.
-    REQUIRE(mv >= 1000);
+    REQUIRE(mv <= 4210); // Should never be charged above this.
+    REQUIRE(mv >= 3000); // Should never be discharged below this.
   }
 }
 
diff --git a/src/drivers/test/test_dac.cpp b/src/drivers/test/test_dac.cpp
index 2269f280..11c69c14 100644
--- a/src/drivers/test/test_dac.cpp
+++ b/src/drivers/test/test_dac.cpp
@@ -4,7 +4,8 @@
  * SPDX-License-Identifier: GPL-3.0-only
  */
 
-#include "dac.hpp"
+#include <stdint.h>
+#include "drivers/wm8523.hpp"
 
 #include <cstdint>
 
@@ -16,16 +17,15 @@
 
 namespace drivers {
 
-TEST_CASE("dac configuration", "[integration]") {
+TEST_CASE("dac is present", "[integration]") {
   I2CFixture i2c;
-  IGpios expander;
-  cpp::result<AudioDac*, AudioDac::Error> dac_res = AudioDac::create(&expander);
-  REQUIRE(dac_res.has_value());
-  std::unique_ptr<AudioDac> dac(dac_res.value());
 
-  auto power_state = dac->ReadPowerState();
+  SECTION("device id is correct") {
+    auto res = wm8523::ReadRegister(wm8523::Register::kReset);
 
-  REQUIRE(power_state.first == true);  // booted
+    REQUIRE(res.has_value());
+    REQUIRE(res.value() == 0x8523);
+  }
 }
 
 }  // namespace drivers
diff --git a/src/drivers/test/test_gpio_expander.cpp b/src/drivers/test/test_gpio_expander.cpp
deleted file mode 100644
index 7c323313..00000000
--- a/src/drivers/test/test_gpio_expander.cpp
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright 2023 jacqueline <me@jacqueline.id.au>
- *
- * SPDX-License-Identifier: GPL-3.0-only
- */
-
-#include "drivers/gpios.hpp"
-
-#include "catch2/catch.hpp"
-
-#include "drivers/i2c.hpp"
-#include "i2c_fixture.hpp"
-
-namespace drivers {
-
-TEST_CASE("gpio expander", "[integration]") {
-  I2CFixture i2c;
-  IGpios expander;
-  SECTION("with() writes when ") {
-    // Initial value.
-    expander.Read();
-    REQUIRE(expander.get_input(IGpios::KEY_DOWN) == true);
-
-    expander.with([&](auto& gpio) { gpio.set_pin(IGpios::KEY_DOWN, false); });
-
-    expander.Read();
-    REQUIRE(expander.get_input(IGpios::KEY_DOWN) == false);
-  }
-}
-
-}  // namespace drivers
diff --git a/src/drivers/test/test_storage.cpp b/src/drivers/test/test_storage.cpp
index f97a0a85..5af40052 100644
--- a/src/drivers/test/test_storage.cpp
+++ b/src/drivers/test/test_storage.cpp
@@ -22,31 +22,31 @@
 
 namespace drivers {
 
-static const std::pmr::string kTestFilename = "test";
-static const std::pmr::string kTestFilePath =
-    std::pmr::string(kStoragePath) + "/" + kTestFilename;
+static const std::string kTestFilename = "test";
+static const std::string kTestFilePath =
+    std::string(kStoragePath) + "/" + kTestFilename;
 
 TEST_CASE("sd card storage", "[integration]") {
   I2CFixture i2c;
   SpiFixture spi;
-  IGpios expander;
+  std::unique_ptr<IGpios> gpios{Gpios::Create(false)};
 
   {
-    std::unique_ptr<SdStorage> result(SdStorage::create(&expander).value());
+    std::unique_ptr<SdStorage> result(SdStorage::Create(*gpios).value());
 
     SECTION("write to a file") {
       {
         std::ofstream test_file;
-        test_file.open(kTestFilePath.c_str());
+        test_file.open(kTestFilePath);
         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());
+        test_file.open(kTestFilePath);
 
-        std::pmr::string line;
+        std::string line;
         REQUIRE(std::getline(test_file, line));
         REQUIRE(line == "hello here is some test");