From 525ed2ae1bc710e2a80de0fc10300da83d594ccb Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Tue, 25 Jun 2024 16:09:36 +1000
Subject: Add a basic overview of writing and running tests

---
 src/drivers/include/drivers/adc.hpp |  4 ++--
 src/drivers/test/CMakeLists.txt     |  2 +-
 src/drivers/test/test_adc.cpp       |  2 +-
 src/drivers/test/test_samd.cpp      | 32 ++++++++++++++++++++++++++++++++
 4 files changed, 36 insertions(+), 4 deletions(-)
 create mode 100644 src/drivers/test/test_samd.cpp

(limited to 'src/drivers')

diff --git a/src/drivers/include/drivers/adc.hpp b/src/drivers/include/drivers/adc.hpp
index 3e94a9ee..2fd8a626 100644
--- a/src/drivers/include/drivers/adc.hpp
+++ b/src/drivers/include/drivers/adc.hpp
@@ -22,12 +22,12 @@ class AdcBattery {
  public:
   static auto Create() -> AdcBattery* { return new AdcBattery(); }
   AdcBattery();
-  ~AdcBattery();
+  virtual ~AdcBattery();
 
   /**
    * Returns the current battery level in millivolts.
    */
-  auto Millivolts() -> uint32_t;
+  virtual auto Millivolts() -> uint32_t;
 
  private:
   adc_oneshot_unit_handle_t adc_handle_;
diff --git a/src/drivers/test/CMakeLists.txt b/src/drivers/test/CMakeLists.txt
index ff1dab0b..f18dc357 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_adc.cpp" "test_storage.cpp" "test_dac.cpp"
+  SRCS "test_adc.cpp" "test_storage.cpp" "test_dac.cpp" "test_samd.cpp"
   INCLUDE_DIRS "." REQUIRES catch2 cmock drivers fixtures)
diff --git a/src/drivers/test/test_adc.cpp b/src/drivers/test/test_adc.cpp
index df103af3..a8dad4bd 100644
--- a/src/drivers/test/test_adc.cpp
+++ b/src/drivers/test/test_adc.cpp
@@ -12,7 +12,7 @@
 
 namespace drivers {
 
-TEST_CASE("battery measurement", "[integration]") {
+TEST_CASE("battery adc", "[integration]") {
   AdcBattery battery;
 
   SECTION("voltage is within range") {
diff --git a/src/drivers/test/test_samd.cpp b/src/drivers/test/test_samd.cpp
new file mode 100644
index 00000000..c466d88e
--- /dev/null
+++ b/src/drivers/test/test_samd.cpp
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2023 jacqueline <me@jacqueline.id.au>
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+#include "drivers/samd.hpp"
+
+#include <cstdint>
+
+#include "catch2/catch.hpp"
+
+#include "i2c_fixture.hpp"
+
+namespace drivers {
+
+TEST_CASE("samd21 interface", "[integration]") {
+  I2CFixture i2c;
+  auto samd = std::make_unique<Samd>();
+
+  REQUIRE(samd);
+
+  SECTION("usb reports connection") {
+    samd->UpdateUsbStatus();
+
+    auto status = samd->GetUsbStatus();
+
+    REQUIRE(status == Samd::UsbStatus::kAttachedIdle);
+  }
+}
+
+}  // namespace drivers
-- 
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