allow tests to run on CPU only but fail in TearDownTestSuite to avoid CI passing like that

Author: yshekel

icicle_v3/tests/test_curve_api.cpp

@@ -28,7 +28,7 @@ static inline std::string s_ref_target;
 class CurveApiTest : public ::testing::Test
 {
 public:
-  static inline std::list<std::string> s_regsitered_devices;
+  static inline std::list<std::string> s_registered_devices;
 
   // SetUpTestSuite/TearDownTestSuite are called once for the entire test suite
   static void SetUpTestSuite()
@@ -38,18 +38,16 @@ class CurveApiTest : public ::testing::Test
 #endif
     icicle_load_backend_from_env_or_default();
 
-    // check targets are loaded and choose main and reference targets
-    auto regsitered_devices = get_registered_devices_list();
-    ASSERT_GE(regsitered_devices.size(), 2);
-
     const bool is_cuda_registered = is_device_registered("CUDA");
-    const bool is_cpu_registered = is_device_registered("CPU");
-    const bool is_cpu_ref_registered = is_device_registered("CPU_REF");
-    // if cuda is available, want main="CUDA", ref="CPU", otherwise main="CPU", ref="CPU_REF".
+    if (!is_cuda_registered) { ICICLE_LOG_ERROR << "CUDA device not found. Testing CPU vs CPU"; }
     s_main_target = is_cuda_registered ? "CUDA" : "CPU";
-    s_ref_target = is_cuda_registered ? "CPU" : "CPU_REF";
+    s_ref_target = "CPU";
+  }
+  static void TearDownTestSuite()
+  {
+    // make sure to fail in CI if only have one device
+    ICICLE_ASSERT(is_device_registered("CUDA")) << "missing CUDA backend";
   }
-  static void TearDownTestSuite() {}
 
   // SetUp/TearDown are called before and after each test
   void SetUp() override {}

icicle_v3/tests/test_device_api.cpp

@@ -18,16 +18,16 @@ using namespace icicle;
 class DeviceApiTest : public ::testing::Test
 {
 public:
-  static inline std::vector<std::string> s_regsitered_devices;
+  static inline std::vector<std::string> s_registered_devices;
   // SetUpTestSuite/TearDownTestSuite are called once for the entire test suite
   static void SetUpTestSuite()
   {
 #ifdef BACKEND_BUILD_DIR
     setenv("ICICLE_BACKEND_INSTALL_DIR", BACKEND_BUILD_DIR, 0 /*=replace*/);
 #endif
     icicle_load_backend_from_env_or_default();
-    s_regsitered_devices = get_registered_devices_list();
-    ASSERT_GT(s_regsitered_devices.size(), 0);
+    s_registered_devices = get_registered_devices_list();
+    ASSERT_GT(s_registered_devices.size(), 0);
   }
   static void TearDownTestSuite() {}
 
@@ -46,7 +46,7 @@ TEST_F(DeviceApiTest, MemoryCopySync)
 {
   int input[2] = {1, 2};
 
-  for (const auto& device_type : s_regsitered_devices) {
+  for (const auto& device_type : s_registered_devices) {
     int output[2] = {0, 0};
 
     icicle::Device dev = {device_type, 0};
@@ -65,7 +65,7 @@ TEST_F(DeviceApiTest, MemoryCopySync)
 TEST_F(DeviceApiTest, MemoryCopyAsync)
 {
   int input[2] = {1, 2};
-  for (const auto& device_type : s_regsitered_devices) {
+  for (const auto& device_type : s_registered_devices) {
     int output[2] = {0, 0};
 
     icicle::Device dev = {device_type, 0};
@@ -87,7 +87,7 @@ TEST_F(DeviceApiTest, MemoryCopyAsync)
 TEST_F(DeviceApiTest, CopyDeviceInference)
 {
   int input[2] = {1, 2};
-  for (const auto& device_type : s_regsitered_devices) {
+  for (const auto& device_type : s_registered_devices) {
     int output[2] = {0, 0};
 
     icicle::Device dev = {device_type, 0};
@@ -105,7 +105,7 @@ TEST_F(DeviceApiTest, CopyDeviceInference)
 TEST_F(DeviceApiTest, Memest)
 {
   char expected[2] = {1, 1};
-  for (const auto& device_type : s_regsitered_devices) {
+  for (const auto& device_type : s_registered_devices) {
     char host_mem[2] = {0, 0};
 
     // icicle::Device dev = {device_type, 0};
@@ -123,7 +123,7 @@ TEST_F(DeviceApiTest, Memest)
 
 TEST_F(DeviceApiTest, ApiError)
 {
-  for (const auto& device_type : s_regsitered_devices) {
+  for (const auto& device_type : s_registered_devices) {
     icicle::Device dev = {device_type, 0};
     icicle_set_device(dev);
     void* dev_mem = nullptr;
@@ -149,7 +149,7 @@ TEST_F(DeviceApiTest, AvailableMemory)
 
 TEST_F(DeviceApiTest, InvalidDevice)
 {
-  for (const auto& device_type : s_regsitered_devices) {
+  for (const auto& device_type : s_registered_devices) {
     icicle::Device dev = {device_type, 10}; // no such device-id thus expecting an error
     ASSERT_EQ(eIcicleError::INVALID_DEVICE, icicle_set_device(dev));
   }

icicle_v3/tests/test_field_api.cpp

@@ -39,18 +39,16 @@ class FieldApiTest : public ::testing::Test
 #endif
     icicle_load_backend_from_env_or_default();
 
-    // check targets are loaded and choose main and reference targets
-    auto regsitered_devices = get_registered_devices_list();
-    ASSERT_GE(regsitered_devices.size(), 2);
-
     const bool is_cuda_registered = is_device_registered("CUDA");
-    const bool is_cpu_registered = is_device_registered("CPU");
-    const bool is_cpu_ref_registered = is_device_registered("CPU_REF");
-    // if cuda is available, want main="CUDA", ref="CPU", otherwise main="CPU", ref="CPU_REF".
+    if (!is_cuda_registered) { ICICLE_LOG_ERROR << "CUDA device not found. Testing CPU vs CPU"; }
     s_main_target = is_cuda_registered ? "CUDA" : "CPU";
-    s_reference_target = is_cuda_registered ? "CPU" : "CPU_REF";
+    s_reference_target = "CPU";
+  }
+  static void TearDownTestSuite()
+  {
+    // make sure to fail in CI if only have one device
+    ICICLE_ASSERT(is_device_registered("CUDA")) << "missing CUDA backend";
   }
-  static void TearDownTestSuite() {}
 
   // SetUp/TearDown are called before and after each test
   void SetUp() override {}