fix: default metal and tests

crates/whisper_cpp_sys/build.rs

@@ -17,7 +17,8 @@ fn main() {
     config
         .define("BUILD_SHARED_LIBS", "OFF")
         .define("WHISPER_BUILD_EXAMPLES", "OFF")
-        .define("WHISPER_BUILD_TESTS", "OFF");
+        .define("WHISPER_BUILD_TESTS", "OFF")
+        .define("WHISPER_METAL", "OFF"); // TODO this is on by default on Apple devices, and is causing issues, see why
 
     #[cfg(not(feature = "avx"))]
     {

crates/whisper_cpp_tests/src/lib.rs

@@ -19,19 +19,19 @@ mod tests {
         let model_path_str = std::env::var("WHISPER_TEST_MODEL").unwrap_or_else(|_| {
             eprintln!(
                 "WHISPER_TEST_MODEL environment variable not set. \
-                Please set this to the path to a GGUF model."
+                Please set this to the path to a Whisper GGUF model file for the test to run."
             );
 
-            std::process::exit(1)
+            std::process::exit(0)
         });
 
         let sample_path_str = std::env::var("WHISPER_TEST_SAMPLE").unwrap_or_else(|_| {
             eprintln!(
                 "WHISPER_TEST_SAMPLE environment variable not set. \
-                Please set this to the path to a sample wav file."
+                Please set this to the path to a sample wav file for the test to run."
             );
 
-            std::process::exit(1)
+            std::process::exit(0)
         });
 
         let model = WhisperModel::new_from_file(model_path_str, false)?;