tests: improve output information

src/arch/x86_64/mod.rs

@@ -320,6 +320,11 @@ mod tests {
 
 	#[test]
 	fn test_pagetable_initialization() {
+		let _ = env_logger::builder()
+			.filter(None, log::LevelFilter::Debug)
+			.is_test(true)
+			.try_init();
+
 		let mut mem: Vec<u8> = vec![0; MIN_PHYSMEM_SIZE];
 		initialize_pagetables((&mut mem[0..MIN_PHYSMEM_SIZE]).try_into().unwrap());
 
@@ -369,6 +374,11 @@ mod tests {
 
 	#[test]
 	fn test_virt_to_phys() {
+		let _ = env_logger::builder()
+			.filter(None, log::LevelFilter::Trace)
+			.is_test(true)
+			.try_init();
+
 		let mem = MmapMemory::new(0, MIN_PHYSMEM_SIZE * 2, GuestPhysAddr::new(0), true, true);
 		initialize_pagetables(unsafe { mem.as_slice_mut() }.try_into().unwrap());
 

tests/common.rs

@@ -11,8 +11,9 @@ use uhyvelib::{params::Params, vm::UhyveVm};
 /// Returns a path to the build binary.
 pub fn build_hermit_bin(kernel: impl AsRef<Path>) -> PathBuf {
 	let kernel = kernel.as_ref();
-	println!("Building Kernel {}", kernel.display());
 	let kernel_src_path = Path::new("tests/test-kernels");
+	println!("Building test kernel: {}", kernel.display());
+
 	let cmd = Command::new("cargo")
 		.arg("build")
 		.arg("-Zbuild-std=std,panic_abort")
@@ -26,7 +27,8 @@ pub fn build_hermit_bin(kernel: impl AsRef<Path>) -> PathBuf {
 		.current_dir(kernel_src_path)
 		.status()
 		.expect("failed to execute `cargo build`");
-	assert!(cmd.success(), "Test binaries could not be build");
+
+	assert!(cmd.success(), "Test binaries could not be built.");
 	[
 		kernel_src_path,
 		Path::new("target/x86_64-unknown-hermit/debug"),
@@ -39,6 +41,7 @@ pub fn build_hermit_bin(kernel: impl AsRef<Path>) -> PathBuf {
 /// Small wrapper around [`Uhyve::run`] with default parameters for a small and
 /// simple Uhyve vm
 pub fn run_simple_vm(kernel_path: PathBuf) {
+	println!("Launching kernel {}", kernel_path.display());
 	let params = Params {
 		verbose: true,
 		cpu_count: 2.try_into().unwrap(),

tests/gdb.rs

@@ -47,6 +47,7 @@ symbol-file {bin_path} -o 0x400000
 break gdb::main
 continue
 
+next
 next
 next
 pipe print _x|cat >> {output_path}

tests/test-kernels/src/bin/create_file.rs

@@ -4,6 +4,8 @@ use std::{fs::File, io::prelude::*};
 use hermit as _;
 
 fn main() {
+	println!("Hello from create_file!");
+
 	let mut file = File::create("/root/foo.txt").unwrap();
 	file.write_all(b"Hello, world!").unwrap();
 }

tests/test-kernels/src/bin/gdb.rs

@@ -4,6 +4,8 @@ use hermit as _;
 static mut WATCH: u8 = 2;
 
 fn main() {
+	println!("Hello from gdb!");
+
 	let _x = 5;
 	opaque(_x);
 	let _x = 3.5;

tests/test-kernels/src/bin/serial.rs

@@ -27,7 +27,7 @@ pub fn virtual_to_physical(virtual_address: VirtAddr) -> Option<GuestPhysAddr> {
 }
 
 fn main() {
-	println!("Test");
+	println!("Hello from serial!");
 
 	let mut serial_byte_port = Port::new(HypercallAddress::Uart as u16);
 	for c in "ABCD\n".bytes() {