Add a tool to automatically download and test a byond version for mis…

…sing signatures

Cargo.toml

@@ -1,5 +1,6 @@
 [workspace]
-members = ["auxcov", "auxtools", "auxtools-impl", "debug_server", "instruction_hooking", "tests/auxtest", "tests/byond_get", "tests/test_runner"]
+members = ["auxcov", "auxtools", "auxtools-impl", "debug_server", "instruction_hooking", "tests/auxsigcheck", "tests/auxtest", "tests/test_runner"]
+default-members = ["auxtools", "auxtools-impl", "debug_server", "instruction_hooking"]
 resolver = "2"
 
 [workspace.package]

tests/auxsigcheck/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+name = "auxsigcheck"
+rust-version = "1.79"
+authors.workspace = true
+edition.workspace = true
+license.workspace = true
+repository.workspace = true
+version.workspace = true
+
+[dependencies]
+byond-get = { git = "https://github.com/absolucy/byond-get" }
+cfg-if = "1"
+clap = { version = "4", features = ["derive"] }
+color-eyre = "0.6"
+tempdir = "0.3"
+
+[lints]
+workspace = true

tests/auxsigcheck/src/dm/auxsigcheck.dm

@@ -0,0 +1,22 @@
+#if DM_VERSION >= 515
+#define LIBCALL call_ext
+#else
+#define LIBCALL call
+#endif
+
+/world/New()
+	. = ..()
+	var/result = run_tests()
+	if(!result)
+		world.log << "FAILED (unknown, likely runtime)"
+	else
+		world.log << "[result]"
+	del(src)
+
+/proc/run_tests()
+	var/dll = world.GetConfig("env", "AUXTOOLS_DLL")
+	if(!dll)
+		return "FAILED (AUXTOOLS_DLL not set)"
+	if(!fexists(dll))
+		return "FAILED (AUXTOOLS_DLL path doesn't exist)"
+	return LIBCALL(dll, "auxtools_check_signatures")()

tests/auxsigcheck/src/dm/auxsigcheck.dme

@@ -0,0 +1,19 @@
+// DM Environment file for auxsigcheck.dme.
+// All manual changes should be made outside the BEGIN_ and END_ blocks.
+// New source code should be placed in .dm files: choose File/New --> Code File.
+
+// BEGIN_INTERNALS
+// END_INTERNALS
+
+// BEGIN_FILE_DIR
+#define FILE_DIR .
+// END_FILE_DIR
+
+// BEGIN_PREFERENCES
+#define DEBUG
+// END_PREFERENCES
+
+// BEGIN_INCLUDE
+#include "auxsigcheck.dm"
+// END_INCLUDE
+

tests/auxsigcheck/src/main.rs

@@ -0,0 +1,85 @@
+mod result;
+
+use byond_get::OsType;
+use cfg_if::cfg_if;
+use clap::Parser;
+use color_eyre::eyre::{Result, WrapErr};
+use result::TestResult;
+use std::{path::PathBuf, process::Command};
+use tempdir::TempDir;
+
+#[derive(Parser, Debug)]
+#[command(version, about, long_about = None)]
+pub struct Args {
+	/// Path to the auxtools DLL to use.
+	#[arg(short, long)]
+	pub auxtools_path: PathBuf,
+
+	/// Version of BYOND to use.
+	pub version: u16,
+
+	/// Build of BYOND to use.
+	pub build: u16
+}
+
+static TEST_DM: &[u8] = include_bytes!("dm/auxsigcheck.dm");
+static TEST_DME: &[u8] = include_bytes!("dm/auxsigcheck.dme");
+
+cfg_if! {
+	if #[cfg(windows)] {
+		const OS: OsType = OsType::Windows;
+		const DREAMMAKER_EXE: &str = "dm.exe";
+		const DREAMDAEMON_EXE: &str = "dd.exe";
+	} else {
+		const OS: OsType = OsType::Linux;
+		const DREAMMAKER_EXE: &str = "DreamMaker";
+		const DREAMDAEMON_EXE: &str = "DreamDaemon";
+	}
+}
+
+fn main() -> Result<()> {
+	color_eyre::install()?;
+	let args = Args::parse();
+	let auxtools_path = std::path::absolute(args.auxtools_path).wrap_err("failed to get absolute auxtools path")?;
+	let tmpdir = TempDir::new("auxsigcheck").wrap_err("failed to crate tempdir")?;
+	let base_path = tmpdir.path();
+
+	let byond_path = base_path.join("byond");
+	byond_get::download_bin(args.version, args.build, OS, &byond_path).wrap_err("failed to download byond")?;
+
+	std::fs::write(base_path.join("auxsigcheck.dm"), TEST_DM).wrap_err("failed to write auxsigcheck.dm")?;
+	std::fs::write(base_path.join("auxsigcheck.dme"), TEST_DME).wrap_err("failed to write auxsigcheck.dme")?;
+
+	let status = Command::new(byond_path.join(DREAMMAKER_EXE))
+		.arg(base_path.join("auxsigcheck.dme"))
+		.output()
+		.wrap_err("failed to run DreamMaker")?
+		.status;
+	if !status.success() {
+		panic!("Failed to compile auxsigcheck.dme, DreamMaker exited with code {status}")
+	}
+
+	std::env::set_var("LD_LIBRARY_PATH", byond_path.to_str().unwrap());
+	std::env::set_var("AUXTOOLS_DLL", auxtools_path);
+
+	let test_run = Command::new(byond_path.join(DREAMDAEMON_EXE))
+		.arg(base_path.join("auxsigcheck.dmb"))
+		.args(["-trusted", "-invisible"])
+		.output()
+		.wrap_err("failed to run DreamDaemon")?;
+
+	// cleanup env variables
+	std::env::remove_var("AUXTOOLS_DLL");
+	if !test_run.status.success() {
+		panic!("Failed to run auxsigcheck.dmb, DreamDaemon exited with code {status}")
+	}
+
+	let stderr = String::from_utf8_lossy(&test_run.stderr).into_owned();
+	match result::extract_test_result(&stderr) {
+		TestResult::Success => println!("success"),
+		TestResult::Failed(reason) => println!("failed: {reason}"),
+		TestResult::Missing(sigs) => println!("missing: {sigs}")
+	}
+
+	Ok(())
+}

tests/auxsigcheck/src/result.rs

@@ -0,0 +1,21 @@
+pub enum TestResult {
+	Success,
+	Failed(String),
+	Missing(String)
+}
+
+pub fn extract_test_result(s: &str) -> TestResult {
+	for line in s.lines() {
+		let trimmed = line.trim();
+		if trimmed.is_empty() {
+			continue;
+		} else if trimmed.starts_with("SUCCESS") {
+			return TestResult::Success;
+		} else if trimmed.starts_with("FAILED") {
+			return TestResult::Failed(trimmed.split('(').nth(1).unwrap().replace(")", "").trim().to_owned());
+		} else if trimmed.starts_with("MISSING") {
+			return TestResult::Missing(trimmed.split(':').nth(1).unwrap().trim().to_owned());
+		}
+	}
+	panic!("No test result found")
+}